/* Fonts are loaded once via <link> in index.html — do not re-import here. */

:root {
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --window-titlebar-safe-top: 34px;
  --shadow: 0 24px 64px rgba(0,0,0,.14), 0 8px 20px rgba(0,0,0,.06);
  --shadow-soft: 0 8px 28px rgba(0,0,0,.07);
  --transition: 170ms ease;
  --accent-contrast: #fff;
  --again: #d63b3b;
  --again-bg: #fff1f1;
  --again-border: #f9a8a8;
  --hard: #d4780f;
  --hard-bg: #fffbf0;
  --hard-border: #fcd09a;
  --good: #178a42;
  --good-bg: #f0fdf5;
  --good-border: #9fe8bc;
  --easy: #1b52cc;
  --easy-bg: #f0f4ff;
  --easy-border: #afc9ff;
  --surface-2: var(--surf2);
  --surface-3: var(--surf3);
  --card-border: color-mix(in srgb, var(--border), var(--accent) 14%);
  --paper-shadow: 0 1px 0 rgba(255,255,255,.60) inset, 0 2px 4px rgba(0,0,0,.04), 0 10px 28px rgba(0,0,0,.06), 0 20px 48px rgba(0,0,0,.03);
}

body[data-theme="pink"] {
  --bg: #fff0f4;
  --surface: #ffffff;
  --surf2: #ffdde5;
  --surf3: #ffbfcf;
  --accent: #f4607a;
  --accent-hover: #e04d68;
  --accent-soft: rgba(244,96,122,.09);
  --accent-glow: rgba(244,96,122,.30);
  --accent-contrast: #fff;
  --text: #1a0810;
  --text-soft: #5a1a2e;
  --muted: #9c4060;
  --border: rgba(200,80,30,.13);
  --border-strong: rgba(200,80,30,.28);
  --card-bg: #fffdf9;
  --gradient-hero:
    radial-gradient(ellipse 80% 60% at 4% 2%, rgba(255,168,80,.54) 0%, transparent 52%),
    radial-gradient(ellipse 60% 55% at 96% 98%, rgba(255,100,60,.38) 0%, transparent 50%),
    radial-gradient(ellipse 50% 42% at 50% 48%, rgba(255,210,140,.22) 0%, transparent 56%),
    radial-gradient(ellipse 35% 30% at 80% 12%, rgba(240,140,80,.20) 0%, transparent 44%),
    #fcf0e5;
  --gradient-accent: linear-gradient(135deg, #e04d68 0%, #f4607a 50%, #ff8aa3 100%);
  --shadow-accent: 0 6px 26px rgba(244,96,122,.36);
  --terminal-bg: #fffcf8;
  --terminal-text: #1c0a02;
  #bg stop:first-child, #lbg stop:first-child { stop-color: #f4607a; }
  #bg stop:last-child, #lbg stop:last-child { stop-color: #c93b68; }
  #hamstr-wordmark-text, #hamstr-wordmark-byline { fill: #f4607a; }
}

body[data-theme="blue"] {
  --bg: #f3f0fe;
  --surface: #ffffff;
  --surf2: #e8e2fc;
  --surf3: #d6ccf8;
  --accent: #6522d6;
  --accent-hover: #5218bc;
  --accent-soft: rgba(101,34,214,.09);
  --accent-glow: rgba(101,34,214,.32);
  --accent-contrast: #fff;
  --text: #10062a;
  --text-soft: #2c1464;
  --muted: #624ca8;
  --border: rgba(100,40,200,.13);
  --border-strong: rgba(100,40,200,.28);
  --card-bg: #fdfbff;
  --gradient-hero:
    radial-gradient(ellipse 80% 60% at 4% 2%, rgba(180,130,255,.50) 0%, transparent 52%),
    radial-gradient(ellipse 60% 55% at 96% 98%, rgba(200,150,255,.38) 0%, transparent 50%),
    radial-gradient(ellipse 50% 42% at 50% 48%, rgba(215,195,255,.20) 0%, transparent 56%),
    radial-gradient(ellipse 35% 30% at 20% 90%, rgba(140,100,255,.18) 0%, transparent 44%),
    #f3f0fe;
  --gradient-accent: linear-gradient(135deg, #5818cc 0%, #7c3ef8 55%, #9b64ff 100%);
  --shadow-accent: 0 6px 26px rgba(101,34,214,.36);
  --terminal-bg: #f9f8ff;
  --terminal-text: #10062a;
  #bg stop:first-child, #lbg stop:first-child { stop-color: #7c3ef8; }
  #bg stop:last-child, #lbg stop:last-child { stop-color: #5218bc; }
  #hamstr-wordmark-text, #hamstr-wordmark-byline { fill: #6522d6; }
}

body[data-theme="obsidian"] {
  --bg: #0f0d09;
  --surface: #201b14;
  --surf2: #2c251b;
  --surf3: #3d3324;
  --accent: #f0c040;
  --accent-hover: #ddb030;
  --accent-soft: rgba(240,192,64,.13);
  --accent-glow: rgba(240,192,64,.34);
  --accent-contrast: #0f0d09;
  --hard: #d4a020;
  --text: #faf4e6;
  --text-soft: #ddd0b0;
  --muted: #b09a74;
  --border: rgba(245,217,160,.44);
  --border-strong: rgba(245,217,160,.62);
  --card-bg: #231e16;
  --paper-shadow:
    0 1px 0 rgba(255,235,190,.07) inset,
    0 2px 6px rgba(0,0,0,.55),
    0 12px 32px rgba(0,0,0,.45),
    0 0 0 1px rgba(245,217,160,.10);
  --gradient-hero:
    radial-gradient(ellipse 65% 52% at 6% 4%, rgba(240,192,64,.10) 0%, transparent 52%),
    radial-gradient(ellipse 48% 42% at 94% 96%, rgba(220,148,48,.07) 0%, transparent 50%),
    #0f0d09;
  --gradient-accent: linear-gradient(135deg, #f0c040 0%, #f6d870 100%);
  --shadow-accent: 0 6px 24px rgba(240,192,64,.36);
  --terminal-bg: #191510;
  --terminal-text: #f5ebd8;
  #bg stop:first-child, #lbg stop:first-child { stop-color: #221d17; }
  #bg stop:last-child, #lbg stop:last-child { stop-color: #0f0d09; }
  #hamstr-wordmark-text, #hamstr-wordmark-byline { fill: #f0c040; }
}

body[data-theme="green"] {
  --bg: #ebf7f1;
  --surface: #ffffff;
  --surf2: #c8edda;
  --surf3: #a4dfbf;
  --accent: #0e7a50;
  --accent-hover: #096040;
  --accent-soft: rgba(14,122,80,.09);
  --accent-glow: rgba(14,122,80,.28);
  --accent-contrast: #fff;
  --text: #031610;
  --text-soft: #163d28;
  --muted: #357558;
  --border: rgba(18,120,72,.13);
  --border-strong: rgba(18,120,72,.28);
  --card-bg: #f5fcf8;
  --gradient-hero:
    radial-gradient(ellipse 80% 60% at 4% 2%, rgba(80,210,140,.48) 0%, transparent 52%),
    radial-gradient(ellipse 60% 55% at 96% 98%, rgba(60,190,120,.34) 0%, transparent 50%),
    radial-gradient(ellipse 50% 42% at 50% 48%, rgba(120,220,165,.20) 0%, transparent 56%),
    radial-gradient(ellipse 35% 30% at 82% 10%, rgba(40,180,110,.18) 0%, transparent 44%),
    #ebf7f1;
  --gradient-accent: linear-gradient(135deg, #096040 0%, #0e7a50 45%, #1aa068 100%);
  --shadow-accent: 0 6px 26px rgba(14,122,80,.30);
  --terminal-bg: #f2fbf6;
  --terminal-text: #031610;
  #bg stop:first-child, #lbg stop:first-child { stop-color: #1aa068; }
  #bg stop:last-child, #lbg stop:last-child { stop-color: #096040; }
  #hamstr-wordmark-text, #hamstr-wordmark-byline { fill: #0e7a50; }
}

body[data-theme="clarity"] {
  --bg: #ffffff;
  --surface: #ffffff;
  --surf2: #eceff3;
  --surf3: #d8dde5;
  --accent: #0b3fb0;
  --accent-hover: #082f85;
  --accent-soft: rgba(11,63,176,.10);
  --accent-glow: rgba(11,63,176,.28);
  --accent-contrast: #ffffff;
  --text: #000000;
  --text-soft: #1c1c1c;
  --muted: #3d3d3d;
  --border: rgba(0,0,0,.38);
  --border-strong: rgba(0,0,0,.70);
  --card-bg: #ffffff;
  --gradient-hero: #ffffff;
  --gradient-accent: linear-gradient(135deg, #0b3fb0 0%, #0b3fb0 100%);
  --shadow-accent: 0 0 0 2px rgba(11,63,176,.45);
  --terminal-bg: #ffffff;
  --terminal-text: #000000;
  #bg stop:first-child, #lbg stop:first-child { stop-color: #0b3fb0; }
  #bg stop:last-child, #lbg stop:last-child { stop-color: #082f85; }
  #hamstr-wordmark-text, #hamstr-wordmark-byline { fill: #0b3fb0; }
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  color: var(--text);
  background: var(--gradient-hero);
  background-attachment: fixed;
  transition: background var(--transition), color var(--transition);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.hidden {
  display: none !important;
}

.app-shell {
  display: flex;
  flex-direction: row;
  min-height: 100vh;
  width: 100%;
}

/* ── Sidebar ─────────────────────────────────── */
.sidebar {
  width: 228px;
  flex-shrink: 0;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: calc(18px + var(--window-titlebar-safe-top)) 10px 16px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  box-shadow: 1px 0 0 rgba(0,0,0,.03);
  z-index: 10;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 6px 18px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  padding-top: 6px;
}

.nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: .8;
}

.sidebar-footer {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 10px;
}

.sidebar-footer .theme-switcher {
  position: relative;
  width: 100%;
  height: 34px;
}

.sidebar-footer-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 2px;
}

.sidebar-footer-row .account-status {
  flex: 1;
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Main content ────────────────────────────── */
.main-content {
  flex: 1;
  min-width: 0;
  min-height: 100vh;
  padding: var(--window-titlebar-safe-top) 36px 48px;
  overflow-y: auto;
  background: var(--gradient-hero);
  background-attachment: fixed;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.logo-svg {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 22%;
  display: block;
  background: var(--accent);
  box-shadow: var(--shadow-accent);
}

.logo-text {
  font-size: 22px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-subtitle {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: .08em;
}

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.theme-toggle:hover { background: var(--surf2); }

.theme-current-dot {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  border-radius: 50%;
}

.theme-chevron { transition: transform var(--transition); }
.theme-switcher.open .theme-chevron { transform: rotate(180deg); }

.theme-popover {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  z-index: 1;
  display: flex;
  gap: 10px;
  padding: 14px;
  width: max-content;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--transition), transform var(--transition), visibility 170ms;
}

.theme-switcher.open .theme-popover {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.theme-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.theme-dot {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 999px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.theme-dot:hover {
  transform: translateY(-1px) scale(1.06);
}

.theme-dot.active {
  border-color: var(--surface);
  box-shadow: 0 0 0 2px var(--accent);
}

.theme-toggle:focus-visible,
.theme-dot:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
}

.pink-dot { background: linear-gradient(135deg, #c83810, #f07040); }
.blue-dot { background: linear-gradient(135deg, #5818cc, #9b64ff); }
.obsidian-dot { background: #201b14; box-shadow: inset 0 0 0 1.5px rgba(240,192,64,.75); }
.green-dot { background: linear-gradient(135deg, #096040, #1aa068); }
.clarity-dot { background: #ffffff; box-shadow: inset 0 0 0 2px #000; }

.account-status {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.icon-button {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  color: var(--text-soft);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--paper-shadow);
  transition: transform var(--transition), border-color var(--transition), color var(--transition), background var(--transition), box-shadow var(--transition);
}

.icon-button:hover {
  color: var(--accent);
  border-color: var(--border-strong);
  box-shadow: var(--paper-shadow), 0 4px 12px var(--accent-soft);
  transform: translateY(-1px);
}

.btn-icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex: 0 0 auto;
}

/* tab-nav no longer used — nav lives in sidebar */
.tab-nav { display: none; }

.tab-button {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 0;
  border-radius: 12px;
  color: var(--muted);
  background: transparent;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  transition: color var(--transition), background var(--transition);
}

.tab-button:hover {
  color: var(--text-soft);
  background: color-mix(in srgb, var(--accent-soft), transparent 35%);
}

.tab-button.active {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 800;
}

.tab-button.active .nav-icon {
  opacity: 1;
}

.auth-row-slim {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 0 10px;
  color: var(--text-soft);
  font-size: 13px;
}

#signedOutControls,
#signedInControls {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
}

#signedInControls {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.auth-avatar {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  color: var(--accent-contrast);
  background: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.slim-email {
  font-weight: 800;
  color: var(--text);
}

.slim-usage,
.auth-help,
.chippy-intro {
  color: var(--muted);
}

.chippy-intro {
  margin-right: auto;
}

.tab-panel {
  display: none;
  flex: 1;
  min-height: 0;
  animation: tab-slide-in 220ms ease both;
}

.tab-panel.active {
  display: flex;
  flex-direction: column;
}

.generate-panel {
  display: flex;
  flex-direction: column;
}

.form-card,
.terminal-card,
.instructions-card,
.modal-card,
.confirm-modal-card,
.preview-card,
.deck-card,
.library-deck-tile,
.library-card-item,
.session-stat-card,
.review-empty-state,
.empty-state {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--paper-shadow);
}

.primary-button,
.secondary-button,
.ghost-button,
.ghost-button-sm,
.review-ahead-button,
.panic-button,
.file-card-change,
.file-card-remove,
.terminal-scroll-button,
.preview-close-btn,
.confirm-modal-cancel,
.confirm-modal-confirm,
.stepper-btn,
.reset-progress-button {
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 850;
  letter-spacing: 0;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
}

.primary-button {
  min-height: 52px;
  padding: 0 24px;
  color: var(--accent-contrast);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-accent);
  font-weight: 900;
  letter-spacing: 0;
  position: relative;
  overflow: hidden;
}

.primary-button::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.12) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent), 0 12px 32px var(--accent-glow);
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: .45;
  box-shadow: none;
}

.secondary-button {
  min-height: 38px;
  padding: 0 15px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--border);
}

.secondary-button:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.ghost-button,
.ghost-button-sm {
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--border);
}

.ghost-button {
  min-height: 42px;
  padding: 0 16px;
}

.ghost-button-sm {
  min-height: 32px;
  padding: 0 11px;
  font-size: 12px;
}

.ghost-button:hover,
.ghost-button-sm:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--border-strong);
}

.danger-button,
.deck-settings-menu .danger,
.delete-card-btn,
.confirm-modal-confirm {
  color: var(--again);
}

.chippy-stage {
  display: flex;
  justify-content: center;
  padding: 12px 0 6px;
}

.drop-visual {
  position: relative;
  width: 128px;
  min-height: 142px;
  display: grid;
  place-items: center;
}

.drop-visual .chippy {
  width: 110px;
  height: 130px;
  display: none;
}

.drop-visual[data-chippy-state="idle"] .chippy-idle,
.drop-visual[data-chippy-state="ready"] .chippy-ready,
.drop-visual[data-chippy-state="generating"] .chippy-generating,
.drop-visual[data-chippy-state="success"] .chippy-success,
.drop-visual[data-chippy-state="error"] .chippy-error {
  display: block;
}

.drop-visual[data-chippy-state="idle"] .chippy-idle,
.chippy-greeting-stack .chippy-idle,
.create-chippy-intro .chippy-idle {
  animation: chippy-breathe 3.2s ease-in-out infinite;
}

.drop-visual[data-chippy-state="ready"] .chippy-ready {
  animation: chippy-pop 520ms cubic-bezier(.2,1.6,.4,1);
}

.drop-visual[data-chippy-state="generating"] .chippy-generating {
  animation: chippy-run 360ms ease-in-out infinite;
}

.drop-visual[data-chippy-state="generating"] .run-lines {
  animation: runLines 520ms linear infinite;
}

.drop-visual[data-chippy-state="error"] .chippy-error {
  animation: chippy-shake 380ms ease;
}

.chippy-bubble {
  position: absolute;
  left: 50%;
  bottom: calc(100% - 4px);
  transform: translateX(-50%) translateY(6px);
  min-width: 175px;
  max-width: 250px;
  padding: 9px 12px;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--paper-shadow);
  font-size: 12px;
  font-weight: 750;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 2;
}

.chippy-bubble.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.drop-preview-slot {
  display: flex;
  justify-content: center;
}

.drop-zone {
  width: min(100%, 650px);
  min-height: 190px;
  padding: 34px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text);
  background:
    radial-gradient(ellipse 70% 65% at 15% 20%, var(--accent-soft), transparent 55%),
    radial-gradient(ellipse 50% 50% at 85% 80%, color-mix(in srgb, var(--accent-soft), transparent 40%), transparent 50%),
    var(--card-bg);
  border: 1.5px dashed var(--border-strong);
  border-radius: 24px;
  box-shadow: var(--paper-shadow);
  outline: none;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.drop-zone:hover,
.drop-zone:focus,
.drop-zone.drag-over {
  border-color: var(--accent);
  border-style: solid;
  transform: translateY(-2px);
  box-shadow: var(--paper-shadow), 0 18px 42px var(--accent-glow);
}

.drop-zone.has-file {
  border-style: solid;
  border-color: var(--accent);
}

.drop-title {
  font-size: 26px;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: 0;
}

.drop-subtitle {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.drop-dest-hint { margin-top: 8px; color: var(--muted); font-size: 12px; font-weight: 700; }
.drop-zone.has-file .drop-dest-hint { display: none; }

.selected-pdf {
  max-width: 100%;
  margin-top: 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-card {
  width: min(100%, 650px);
  min-height: 76px;
  padding: 14px 14px 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--paper-shadow);
}

.file-card-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 14px;
}

.file-card-body {
  display: grid;
  gap: 3px;
  min-width: 0;
  flex: 1;
}

.file-card-name {
  color: var(--text);
  font-size: 14px;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-card-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.file-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.file-card-change {
  min-height: 32px;
  padding: 0 12px;
  color: var(--accent);
  background: var(--accent-soft);
}

.file-card-remove {
  width: 32px;
  height: 32px;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
}

.file-card-remove:hover {
  color: var(--again);
  border-color: var(--again-border);
  background: var(--again-bg);
}

.settings-panel {
  animation: slide-up-fade 260ms ease both;
}

.settings-panel.animating-in {
  animation: slideInSettings 300ms ease both;
}

.form-card {
  margin: 18px auto 0;
  width: min(100%, 760px);
  padding: 22px;
}

.generate-options-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}

#settingsPanel .generate-options-grid {
  column-gap: 40px;
  row-gap: 24px;
}

#settingsPanel .generate-options-col,
#settingsPanel #advancedPanel.open {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

#settingsPanel .generate-field-group {
  min-width: 0;
}

#settingsPanel .generate-field-group > .field-label,
#settingsPanel .generate-field-group > .field-with-info .field-label,
#settingsPanel .generate-field-group > .slider-row .field-label {
  margin: 0;
}

#settingsPanel .generate-field-group > .field-label + .helper-text,
#settingsPanel .generate-field-group > .field-with-info + .helper-text {
  margin-top: 4px;
}

#settingsPanel .generate-field-group > .helper-text {
  margin-bottom: 10px;
}

#settingsPanel .generate-field-group > .field-with-info {
  margin-top: 0;
}

#settingsPanel #lectureTagField > .field-label {
  margin-bottom: 10px;
}

#settingsPanel .generate-options-col:first-child > .generate-field-group:first-child > .field-label:first-child {
  font-size: 13px;
}

#settingsPanel .generate-field-group > .segment-group {
  margin-bottom: 0;
}

#settingsPanel .generate-field-group > .checkbox-field:last-child,
#settingsPanel .generate-field-group.collapsible {
  margin-bottom: 0;
}

#settingsPanel .generate-field-group.collapsible {
  margin-top: 0;
}

#settingsPanel .form-card > .collapsible:has(> .collapse-header[data-collapse-target="advancedPanel"]) {
  margin-top: 32px;
}

.field-label,
.settings-label {
  display: block;
  margin: 14px 0 7px;
  color: var(--text);
  font-size: 12px;
  font-weight: 850;
}

.generate-options-col:first-child > .field-label:first-child {
  margin-top: 0;
  font-size: 13px;
}

.helper-text,
.collapse-preview,
.panic-helper,
.settings-section-desc,
.preview-subtitle {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.text-input,
.textarea-input,
.select-input,
.stepper-input {
  width: 100%;
  min-height: 44px;
  padding: 11px 13px;
  color: var(--text);
  background: color-mix(in srgb, var(--surface), var(--card-bg) 45%);
  border: 1px solid var(--border);
  border-radius: 13px;
  outline: none;
  box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 1px 3px rgba(0,0,0,.04) inset;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.text-input:focus,
.textarea-input:focus,
.select-input:focus,
.stepper-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px var(--accent-soft), 0 1px 0 rgba(255,255,255,.35) inset;
}

.textarea-input {
  min-height: 112px;
  resize: vertical;
  line-height: 1.5;
}

.textarea-input.tall {
  min-height: 150px;
}

.dest-toggle,
.segment-group {
  display: grid;
  gap: 4px;
  padding: 4px;
  background: color-mix(in srgb, var(--surface), var(--surf2) 40%);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.dest-toggle {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.destination-toggle {
  margin-top: 16px;
}

.segment-group {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 8px;
}

.card-type-segment {
  margin-bottom: 16px;
}

.pill-button,
.segment-btn {
  position: relative;
  min-height: 38px;
  padding: 0 12px;
  color: var(--text-soft);
  background: var(--surface);
  border: 0;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.pill-button.active,
.segment-btn.active {
  color: var(--accent-contrast);
  background: var(--accent);
  box-shadow: var(--shadow-accent);
}

.segment-btn.fx-bounce {
  animation: segment-bounce .5s cubic-bezier(.34, 1.56, .64, 1);
}

.segment-btn.fx-shimmer {
  overflow: hidden;
}

.segment-btn.fx-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,.75) 50%, transparent 65%);
  transform: translateX(-120%);
  animation: segment-shimmer .65s ease-out .18s forwards;
  pointer-events: none;
}

.segment-btn.fx-pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid var(--accent);
  animation: segment-pulse .55s ease-out forwards;
  pointer-events: none;
}

.segment-spark {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  animation: segment-spark .6s ease-out forwards;
}

.slider-warning {
  margin-top: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
}

.library-card-edit-error {
  margin: 6px 0;
  color: var(--again);
  font-size: 12px;
  font-weight: 750;
}

.export-target-guide {
  margin-top: 10px;
  padding: 10px 12px;
  display: grid;
  gap: 4px;
  font-size: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.export-guide-summary { color: var(--accent); font-weight: 800; }
.export-guide-before { color: var(--text); font-weight: 700; }
.export-guide-next { color: var(--muted); font-weight: 600; }
.export-guide-help { margin-left: 4px; color: var(--accent); font-weight: 800; text-decoration: underline; }

.checkbox-field {
  margin: 12px 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 800;
}

.checkbox-field input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.slider-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
}

.slider-value-large {
  color: var(--accent);
  font-size: 38px;
  line-height: .9;
  font-weight: 900;
}

.range-input {
  width: 100%;
  height: 10px;
  margin: 12px 0 9px;
  accent-color: var(--accent);
}

.slider-stops {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.slider-stops strong {
  color: var(--text-soft);
  font-size: 12px;
}

.collapsible {
  margin-top: 12px;
}

.collapse-header {
  width: 100%;
  min-height: 42px;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  background: transparent;
  border: 0;
  font-weight: 850;
}

.chevron {
  display: inline-block;
  color: var(--accent);
  font-size: 11px;
  transition: transform var(--transition);
}

.collapse-header.open .chevron {
  transform: rotate(90deg);
}

.collapse-panel {
  display: none;
  padding: 2px 0 10px;
}

.collapse-panel.open {
  display: block;
  animation: slide-up-fade 180ms ease both;
}

.field-with-info {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.info-wrap {
  position: relative;
}

.info-button {
  width: 24px;
  height: 24px;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
}

.tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  width: 250px;
  padding: 10px 12px;
  color: var(--card-bg);
  background: var(--text);
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.4;
  transform: translateX(-50%) translateY(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 4;
}

.info-wrap.tooltip-open .tooltip,
.info-wrap:hover .tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.exam-panic-wrap {
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.panic-button {
  width: 100%;
  min-height: 44px;
  color: var(--hard);
  background: var(--hard-bg);
  border: 1px solid var(--hard-border);
}

.panic-button.active {
  color: var(--accent-contrast);
  background: linear-gradient(140deg, var(--hard), color-mix(in srgb, var(--hard), white 28%));
  box-shadow: 0 8px 24px color-mix(in srgb, var(--hard), transparent 78%);
}

#generateButton {
  width: 100%;
  margin-top: 18px;
}

.generation-summary {
  width: min(100%, 760px);
  margin: 18px auto 0;
  padding: 14px 16px;
  color: var(--good);
  background: var(--good-bg);
  border: 1px solid var(--good-border);
  border-radius: 16px;
  font-size: 13px;
  font-weight: 800;
}

.summary-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.summary-check { font-size: 15px; }

.summary-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.summary-tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--good-border);
  font-size: 12px;
  font-weight: 700;
}

.summary-chippy {
  margin-top: 8px;
  color: var(--text-soft);
  font-style: italic;
}

.terminal-card {
  width: min(100%, 760px);
  margin: 18px auto 0;
  padding: 16px;
}

.gen-status-header,
.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 13px;
  font-weight: 900;
}

.gen-status-deck {
  margin-right: auto;
  padding: 4px 8px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
}

.terminal-scroll-button {
  width: 30px;
  height: 30px;
  padding: 0;
  color: var(--accent);
  background: var(--accent-soft);
}

.status-terminal {
  display: none;
  max-height: 210px;
  overflow: auto;
  color: var(--terminal-text);
  background: var(--terminal-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 10px 12px;
}

#statusTerminal.is-active {
  display: block;
}

#statusTerminal.has-lines {
  display: block;
}

#terminalLines {
  display: grid;
  gap: 2px;
}

.terminal-line {
  min-height: 28px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-soft);
  font-family: Inter, system-ui, sans-serif;
  font-size: 13px;
  line-height: 28px;
  border-bottom: 1px solid color-mix(in srgb, var(--border), transparent 35%);
}

.terminal-line:last-child {
  border-bottom: 0;
}

.terminal-line::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--accent);
  opacity: .55;
}

.daily-tip-banner,
.streak-warning-banner {
  transition: opacity 0.25s ease, transform 0.25s ease;
  margin: 14px 0;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-soft);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--paper-shadow);
  font-size: 13px;
}

.daily-tip-banner.tip-hiding,
.streak-warning-banner.tip-hiding {
  opacity: 0;
  transform: translateY(-6px);
}

.daily-tip-dismiss,
.streak-warning-dismiss {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: var(--accent-soft);
}

.daily-usage-bar {
  margin: 14px 0 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.usage-track {
  padding: 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--paper-shadow);
}

.usage-track-label {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.usage-track-label.at-limit {
  color: var(--hard);
}

.usage-track-name {
  letter-spacing: .06em;
}

.usage-track-count {
  color: var(--muted);
}

.usage-bar-outer,
.deck-progress-bar-wrap {
  height: 7px;
  overflow: hidden;
  background: color-mix(in srgb, var(--surf2), transparent 22%);
  border-radius: 999px;
}

.usage-bar-fill,
.deck-progress-bar-fill,
.review-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-accent);
  border-radius: inherit;
  transition: width 260ms ease;
}

.usage-bar-fill.at-limit {
  background: linear-gradient(140deg, var(--hard), color-mix(in srgb, var(--hard), white 28%));
}

.my-decks-header {
  padding: 10px 0 16px;
  text-align: center;
}

.chippy-greeting-stack {
  display: grid;
  justify-items: center;
  gap: 52px;
}

.chippy-greeting-stack .drop-visual {
  min-height: 174px;
}

.chippy-greeting-stack .chippy-bubble {
  top: calc(100% + 10px);
  bottom: auto;
}

.deck-greeting {
  max-width: 620px;
  margin: 0 auto;
  color: var(--text);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 28px;
  line-height: 1.08;
  font-weight: 400;
  animation: greetingIn 320ms ease both;
}

.deck-greeting::after {
  content: "Choose a deck when you are ready.";
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-family: Inter, system-ui, sans-serif;
  font-size: 13px;
  font-weight: 650;
}

.deck-grid,
.library-deck-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.deck-card,
.library-deck-tile {
  position: relative;
  padding: 20px;
  display: grid;
  gap: 11px;
  animation: cardIn 260ms ease both;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.deck-card:hover,
.library-deck-tile:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--paper-shadow), 0 18px 44px var(--accent-glow);
}

.deck-name,
.library-deck-tile-name {
  padding-right: 42px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.2;
  font-weight: 900;
}

.deck-meta,
.library-deck-tile-meta,
.deck-progress-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.card-count-badge,
.archive-badge,
.tag-pill,
.streak-display {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 850;
  color: var(--text-soft);
  background: var(--surf2);
}

.streak-display {
  color: var(--hard);
  background: var(--hard-bg);
  border: 1px solid var(--hard-border);
  animation: streak-pop 360ms ease both;
}

.deck-due-stats,
.library-card-tags,
.session-rating-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}


.deck-settings-cog {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
}

.deck-settings-cog:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.deck-settings-menu {
  position: absolute;
  top: 54px;
  right: 14px;
  z-index: 8;
  min-width: 170px;
  padding: 7px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.deck-settings-menu button {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  text-align: left;
  color: var(--text-soft);
  background: transparent;
  border: 0;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 750;
}

.deck-settings-menu button:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.review-ahead-button,
.browse-deck-link {
  min-height: 40px;
}

.review-ahead-button {
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--border);
}

.deck-card .primary-button,
.deck-card .review-ahead-button,
.deck-card .browse-deck-link {
  width: 100%;
}

.readiness-green { color: var(--good); }
.readiness-yellow { color: var(--hard); }
.readiness-red { color: var(--again); }

.empty-state,
.review-empty-state {
  padding: 28px 22px;
  text-align: center;
}

.empty-state-chippy,
.review-empty-state-chippy {
  margin-bottom: 8px;
  font-size: 34px;
}

.review-empty-state-chippy .chippy {
  width: 118px;
  height: 140px;
  animation: chippy-sleep 4s ease-in-out infinite;
}

.empty-state-title {
  color: var(--text);
  font-size: 20px;
  font-weight: 900;
}

.empty-state-sub,
.review-empty-state-message {
  margin: 7px auto 16px;
  color: var(--muted);
  font-size: 13px;
}

.library-view-toggle {
  width: fit-content;
  margin: 14px auto 16px;
  padding: 4px;
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--paper-shadow);
}

.library-view-pill {
  min-width: 88px;
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  color: var(--text-soft);
  background: transparent;
  font-size: 12px;
  font-weight: 850;
}

.library-view-pill.active {
  color: var(--accent-contrast);
  background: var(--accent);
}

.library-detail-header {
  margin: 16px 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
}

.library-detail-title {
  margin: 0;
  color: var(--text);
  font-size: 24px;
  font-weight: 900;
}

.library-detail-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.library-card-search-wrap {
  margin-bottom: 14px;
}

.library-tag-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.tag-filter-pill {
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.tag-filter-pill.active {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.library-card-list {
  display: grid;
  gap: 12px;
}

.library-card-item {
  padding: 16px;
}

.library-card-front {
  color: var(--text);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 20px;
  line-height: 1.25;
  text-wrap: pretty;
}

.library-card-back {
  margin-top: 10px;
  padding-top: 10px;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.5;
}

.library-card-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

.edit-card-btn {
  color: var(--text-soft);
}

.library-card-edit-form {
  display: grid;
  gap: 8px;
}

.save-card-edit-btn {
  min-height: 38px;
}

.cancel-card-edit-btn {
  min-height: 38px;
}

.deck-rename-input {
  font-size: inherit;
  font-weight: inherit;
}

.create-chippy-intro {
  margin: 22px auto 0;
  display: grid;
  justify-items: center;
  gap: 8px;
}

.create-chippy-intro .chippy {
  width: 110px;
  height: 130px;
}

.create-chippy-intro .chippy-bubble {
  position: static;
  transform: none;
  opacity: 1;
}

.create-section {
  width: min(100%, 720px);
}

.create-section h2 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
}

#addManualCardButton {
  width: 100%;
  min-height: 50px;
  margin-top: 14px;
}

.manual-card-count {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.manual-card-list {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.cloze-editor-shell {
  display: grid;
  gap: 10px;
}

.cloze-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.cloze-toolbar-hint {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.ghost-button-sm:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.cloze-editor-input {
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  cursor: text;
}

.cloze-editor-input:empty::before {
  content: attr(data-placeholder);
  color: var(--muted);
  pointer-events: none;
}

.cloze-mark {
  padding: 0 2px;
  color: var(--text);
  background: var(--accent-soft);
  border-bottom: 2px solid var(--accent);
  border-radius: 4px;
  cursor: pointer;
}

.cloze-preview {
  display: grid;
  gap: 8px;
}

.cloze-preview-row {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--surface), var(--card-bg) 38%);
  border: 1px solid var(--border);
  border-radius: 13px;
}

.cloze-preview-content {
  min-height: 22px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.cloze-tip {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  color: var(--hard);
  background: var(--hard-bg);
  border: 1px solid var(--hard-border);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.cloze-tip span {
  flex: 1;
}

.cloze-tip-close {
  flex: 0 0 auto;
  padding: 0 2px;
  color: inherit;
  background: transparent;
  border: 0;
  font-size: 16px;
  line-height: 1;
  opacity: .65;
}

.cloze-tip-close:hover {
  opacity: 1;
}

.image-occlusion-fields {
  margin-top: 14px;
}

.image-occlusion-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}

.image-occlusion-upload-group {
  display: grid;
  gap: 5px;
}

.image-occlusion-paste-hint {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.image-occlusion-instruction {
  margin-bottom: 8px;
}

.image-occlusion-canvas-wrap {
  width: 100%;
  min-height: 220px;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: 12px;
  background: color-mix(in srgb, var(--surface), var(--surf2) 34%);
  border: 1.5px dashed var(--border-strong);
  border-radius: 16px;
  outline: none;
}

.image-occlusion-canvas-wrap:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px var(--accent-soft);
}

.image-occlusion-placeholder {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.image-occlusion-canvas {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  background: var(--card-bg);
  cursor: crosshair;
}

.image-occlusion-error {
  margin-top: 9px;
  color: var(--again);
  font-size: 12px;
  font-weight: 800;
}

.cloze-blank {
  display: inline-block;
  min-width: 54px;
  border-bottom: 3px solid var(--accent);
  color: transparent;
  line-height: 1;
}

.cloze-reveal {
  color: var(--accent);
  font-weight: 900;
}

.image-occlusion-review {
  position: relative;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  line-height: 0;
  overflow: hidden;
  border-radius: 16px;
}

.image-occlusion-review-image {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
}

.image-occlusion-review-mask {
  position: absolute;
  background: var(--accent);
  border-radius: 8px;
}

.image-occlusion-empty {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.review-card-media {
  align-items: center;
}

.library-image-occlusion-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  font-size: 14px;
  font-weight: 850;
}

.library-image-occlusion-preview img {
  max-height: 80px;
  max-width: 120px;
  border-radius: 12px;
  border: 1px solid var(--border);
  object-fit: contain;
}

.library-mask-count {
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 11px;
  font-weight: 900;
}

.review-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
  padding: 38px 22px 22px;
  color: var(--text);
  background: color-mix(in srgb, var(--bg), var(--surface) 24%);
}

.review-tag-filter {
  justify-self: center;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  box-shadow: var(--paper-shadow);
  font-size: 12px;
  font-weight: 750;
}

.review-session-stats {
  position: fixed;
  top: 38px;
  left: 22px;
  z-index: 2;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.review-center-card-area {
  align-self: center;
  justify-self: center;
  width: min(100%, 680px);
  display: grid;
  justify-items: center;
  gap: 16px;
}

.review-overlay-empty {
  width: min(100%, 620px);
  padding: 44px 32px;
  display: grid;
  justify-items: center;
  gap: 10px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: var(--paper-shadow);
}

.review-overlay-empty-title {
  font-size: 18px;
  font-weight: 850;
}

.review-overlay-empty-sub {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.review-overlay-empty .secondary-button {
  width: auto;
  margin-top: 6px;
}

.review-card {
  width: min(100%, 620px);
  min-height: 280px;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: 0 2px 0 rgba(255,255,255,.55) inset, 0 4px 12px rgba(0,0,0,.06), 0 24px 56px rgba(0,0,0,.10), var(--shadow-accent);
}

.review-card.flipping {
  animation: card-flip 420ms ease;
}

.review-card-deck-label {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.review-card-front {
  color: var(--text);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 22px;
  line-height: 1.32;
  text-wrap: pretty;
}

.review-card-divider {
  margin: 20px 0;
  height: 1px;
  background: var(--border);
}

.review-card-back {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.58;
}

#reviewFlipButton {
  min-width: 210px;
  margin-top: 2px;
}

.review-rating-buttons {
  width: min(100%, 620px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.grade-btn,
.review-rating-buttons button {
  position: relative;
  min-height: 72px;
  padding: 12px 10px 10px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 3px;
  border-radius: 14px;
  border: 1px solid currentColor;
  font-size: 13px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.grade-btn:hover,
.review-rating-buttons button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0,0,0,.08);
}

.grade-label,
.rating-label {
  font-weight: 900;
}

.grade-key,
.rating-shortcut {
  position: absolute;
  top: 8px;
  right: 9px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255,255,255,.68);
  font-size: 10px;
  font-weight: 900;
}

.grade-again { color: var(--again); background: linear-gradient(160deg, var(--again-bg) 0%, color-mix(in srgb, var(--again-bg), white 30%) 100%); border-color: var(--again-border); }
.grade-hard  { color: var(--hard);  background: linear-gradient(160deg, var(--hard-bg)  0%, color-mix(in srgb, var(--hard-bg),  white 30%) 100%); border-color: var(--hard-border);  }
.grade-good  { color: var(--good);  background: linear-gradient(160deg, var(--good-bg)  0%, color-mix(in srgb, var(--good-bg),  white 30%) 100%); border-color: var(--good-border);  }
.grade-easy  { color: var(--easy);  background: linear-gradient(160deg, var(--easy-bg)  0%, color-mix(in srgb, var(--easy-bg),  white 30%) 100%); border-color: var(--easy-border);  }

.review-progress-bar {
  position: fixed;
  left: 22px;
  right: 22px;
  bottom: 74px;
  height: 6px;
  overflow: hidden;
  background: color-mix(in srgb, var(--surf2), transparent 22%);
  border-radius: 999px;
}

.review-progress-fill {
  background: color-mix(in srgb, var(--accent), white 18%);
}

.review-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.review-card-counter {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

#reviewProgress {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.review-chippy {
  position: fixed;
  right: 22px;
  bottom: 86px;
  width: 92px;
  padding: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  box-shadow: var(--paper-shadow);
}

.review-chippy-svg {
  width: 74px;
  height: 88px;
  animation: chippy-watch-breathe 3s ease-in-out infinite;
}

.review-chippy[data-chippy-mood="proud"] .review-chippy-svg { animation: chippy-proud 700ms ease; }
.review-chippy[data-chippy-mood="wince"] .review-chippy-svg { animation: chippy-wince 500ms ease; }
.review-chippy[data-chippy-mood="neutral"] .review-chippy-svg { animation: chippy-neutral-nod 650ms ease; }

.review-chippy-hide,
.review-chippy-show {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--card-bg);
}

.review-chippy-show {
  position: fixed;
  top: auto;
  right: 22px;
  bottom: 92px;
}

.review-complete {
  position: fixed;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 24px;
  background: color-mix(in srgb, var(--bg), transparent 5%);
}

.session-complete-hero {
  position: relative;
  width: min(100%, 560px);
  padding: 30px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: var(--paper-shadow), var(--shadow);
}

.session-chippy-wrap .chippy {
  width: 116px;
  height: 138px;
  animation: chippy-celebrate 760ms ease both;
}

.session-complete-headline {
  margin: 0;
  color: var(--text);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 38px;
  font-weight: 400;
}

.session-complete-sub {
  color: var(--muted);
}

.session-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0 14px;
}

.session-stat-card {
  padding: 14px 10px;
  border-radius: 16px;
}

.session-stat-card-accent {
  color: var(--accent-contrast);
  background: var(--gradient-accent);
}

.session-stat-num {
  font-size: 28px;
  font-weight: 900;
}

.session-stat-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.session-stat-card-accent .session-stat-label {
  color: color-mix(in srgb, var(--accent-contrast), transparent 24%);
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 700;
}

.again-rating { color: var(--again); background: var(--again-bg); border-color: var(--again-border); }
.hard-rating { color: var(--hard); background: var(--hard-bg); border-color: var(--hard-border); }
.good-rating { color: var(--good); background: var(--good-bg); border-color: var(--good-border); }
.easy-rating { color: var(--easy); background: var(--easy-bg); border-color: var(--easy-border); }

.session-done-btn {
  width: 100%;
  margin-top: 18px;
}

.session-confetti {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  left: 50%;
  top: 30px;
  width: 8px;
  height: 14px;
  border-radius: 2px;
  background: var(--c);
  animation: confetti-burst 1100ms ease-out var(--d) both;
}

.modal-overlay,
.tutorial-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0,0,0,.36);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.visible,
.tutorial-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-card,
.instructions-card,
.confirm-modal-card,
.settings-modal-card,
.merge-modal-card {
  width: min(100%, 620px);
  max-height: min(84vh, 760px);
  overflow: auto;
  padding: 22px;
  animation: modalIn 220ms ease both;
}

.instructions-card {
  width: min(100%, 760px);
}

.modal-header,
.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.modal-title,
.instructions-title,
.preview-header h2 {
  margin: 0;
  color: var(--text);
  font-size: 24px;
  font-weight: 900;
}

.modal-close,
.preview-close-btn {
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
}

.modal-close:hover,
.preview-close-btn:hover {
  color: var(--again);
  background: var(--again-bg);
  border-color: var(--again-border);
}

.modal-section {
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.instructions-intro { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.instructions-steps { margin: 8px 0 10px; padding-left: 20px; display: grid; gap: 6px; }
.instructions-subhead { margin: 14px 0 4px; font-size: 13px; font-weight: 900; color: var(--text); }
.instructions-fine { color: var(--muted); font-size: 12px; }
.modal-section code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; padding: 1px 5px; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); }

.modal-section summary {
  color: var(--text);
  font-weight: 900;
  cursor: pointer;
}

.modal-section p,
.modal-section li,
.contact-line {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.58;
}

.modal-section ul {
  margin: 10px 0 0 20px;
  padding: 0;
}

.contact-line {
  margin: 12px 0 0;
}

.contact-line a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-line a:hover {
  color: var(--accent-hover);
}

.modal-divider {
  border: 0;
  border-top: 1px solid var(--border);
}

.settings-section {
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

.settings-section:first-of-type {
  border-top: 0;
}

.settings-section-title {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}

.settings-stepper {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stepper-btn {
  width: 34px;
  height: 34px;
  color: var(--accent);
  background: var(--accent-soft);
}

.stepper-input {
  width: 82px;
  text-align: center;
}

.deck-override-hint {
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
}

.reset-progress-button {
  min-height: 42px;
  padding: 0 16px;
  color: var(--again);
  background: var(--again-bg);
  border: 1px solid var(--again-border);
}

.card-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0,0,0,.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.card-preview-modal.modal-visible {
  opacity: 1;
  pointer-events: auto;
}

.card-preview-modal-inner {
  position: relative;
  width: min(100%, 820px);
  max-height: min(86vh, 780px);
  overflow: auto;
  padding: 26px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.preview-close-btn--float {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 2;
}

.preview-success-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 22px 12px 26px;
}

.preview-chippy-dance {
  margin-bottom: 4px;
}

.preview-chippy-dance .chippy {
  width: 92px;
  height: 108px;
  display: block;
  transform-origin: 50% 100%;
  animation: chippy-dance-move 900ms ease-in-out infinite;
}

@keyframes chippy-dance-move {
  0%, 100% { transform: rotate(-8deg) translateY(0); }
  25% { transform: rotate(0deg) translateY(-6px); }
  50% { transform: rotate(8deg) translateY(0); }
  75% { transform: rotate(0deg) translateY(-6px); }
}

.preview-success-title {
  margin: 0;
  color: var(--text);
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.preview-success-count {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
}

.preview-disclosure {
  border-top: 1px solid var(--border);
  margin-top: 4px;
}

.preview-disclosure-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 0;
  cursor: pointer;
  color: var(--accent, var(--again));
  font-size: 14px;
  font-weight: 800;
  list-style: none;
  user-select: none;
}

.preview-disclosure-summary::-webkit-details-marker {
  display: none;
}

.preview-disclosure-chevron {
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.preview-disclosure[open] .preview-disclosure-chevron {
  transform: rotate(180deg);
}

.preview-card-list {
  display: grid;
  gap: 16px;
}

.preview-card {
  position: relative;
  overflow: hidden;
}

.preview-card-main {
  padding: 24px;
}

.preview-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.preview-card-label,
.preview-section-label,
.preview-tag-field span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.preview-question-block,
.preview-answer-block {
  min-width: 0;
}

.preview-front-input,
.preview-back-input {
  display: block;
  width: 100%;
  resize: vertical;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 4px 6px;
  margin: 6px -6px 0;
  background: transparent;
  color: var(--text);
  font-family: inherit;
}

.preview-front-input {
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 24px;
  line-height: 1.28;
}

.preview-answer-block {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid color-mix(in srgb, var(--border), var(--muted) 18%);
}

.preview-back-input {
  margin-top: 7px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.6;
}

.preview-front-input:hover,
.preview-back-input:hover {
  border-color: var(--border);
  background: color-mix(in srgb, var(--surface), var(--card-bg) 45%);
}

.preview-front-input:focus,
.preview-back-input:focus {
  outline: none;
  border-color: var(--accent, var(--again));
  background: color-mix(in srgb, var(--surface), var(--card-bg) 45%);
}

.preview-card-delete {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--again);
  background: var(--again-bg);
  font-size: 12px;
  font-weight: 850;
}

.preview-tag-details {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface), transparent 38%);
}

.preview-tag-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 12px 24px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 850;
  list-style: none;
  cursor: pointer;
}

.preview-tag-summary::-webkit-details-marker {
  display: none;
}

.preview-tag-summary::marker {
  content: "";
}

.preview-tag-summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  background: var(--card-bg);
  font-size: 14px;
  line-height: 1;
}

.preview-tag-details[open] .preview-tag-summary {
  border-bottom: 1px solid var(--border);
}

.preview-tag-details[open] .preview-tag-summary::before {
  content: "-";
}

.preview-tag-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 16px 24px 22px;
}

.preview-tag-field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.preview-action-bar {
  position: sticky;
  bottom: 0;
  margin-top: 16px;
  padding-top: 12px;
  background: var(--card-bg);
}

.preview-action-bar .primary-button {
  width: 100%;
}

.confirm-modal-card {
  max-width: 420px;
}

.confirm-modal-message {
  color: var(--text);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.45;
}

.confirm-modal-actions,
.merge-modal-actions {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.confirm-modal-cancel {
  min-height: 40px;
  padding: 0 15px;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
}

.confirm-modal-confirm {
  min-height: 40px;
  padding: 0 15px;
  background: var(--again-bg);
  border: 1px solid var(--again-border);
}

.merge-modal-desc,
.merge-modal-warning {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
}

.merge-modal-warning {
  margin-top: 12px;
  padding: 12px;
  color: var(--hard);
  background: var(--hard-bg);
  border: 1px solid var(--hard-border);
  border-radius: 13px;
}

.anki-export-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
  position: relative;
}

.anki-export-banner-ok { background: var(--good-bg); color: var(--good); border-color: var(--good); }
.anki-export-banner-warn { background: var(--hard-bg); color: var(--hard); border-color: var(--hard); }
.anki-export-banner-fail { background: var(--again-bg); color: var(--again); border-color: var(--again); }
.anki-export-banner-summary { flex: 1; }
.anki-export-fail-list { margin: 6px 0 0 0; padding-left: 16px; font-weight: 400; font-size: 12px; width: 100%; }
.anki-export-fail-list li { margin-bottom: 3px; }
.anki-export-banner-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  color: inherit;
  opacity: 0.6;
  padding: 0 2px;
  line-height: 1;
  flex-shrink: 0;
}
.anki-export-banner-dismiss:hover { opacity: 1; }

.tutorial-card {
  position: relative;
  width: min(100%, 640px);
  padding: 26px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  text-align: center;
}

.tutorial-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 14px;
}

.tutorial-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--border-strong);
}

.tutorial-dot.active {
  background: var(--accent);
}

.tutorial-chippy,
.tutorial-chippy-run {
  width: 110px;
  height: 130px;
}

.tutorial-chippy-run {
  animation: chippy-run 360ms ease-in-out infinite;
}

.tutorial-speech {
  display: inline-block;
  margin: 4px auto 10px;
  padding: 9px 12px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  font-size: 12px;
  font-weight: 800;
}

.tutorial-heading {
  margin: 0 0 8px;
  color: var(--text);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 34px;
  font-weight: 400;
}

.tutorial-subheading,
.tutorial-note,
.tutorial-footnote {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.tutorial-req-block,
.tutorial-checklist {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  text-align: left;
}

.tutorial-req,
.tutorial-check-item {
  padding: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.tutorial-req-num,
.tutorial-check-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--accent-contrast);
  background: var(--accent);
  border-radius: 999px;
  font-weight: 900;
}

.tutorial-req-title {
  color: var(--text);
  font-weight: 900;
}

.tutorial-req-desc {
  color: var(--muted);
  font-size: 12px;
}

.tutorial-flow,
.tutorial-rating-preview {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 18px 0;
}

.tutorial-dest-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 18px 0;
  text-align: left;
}
.tutorial-dest {
  padding: 12px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.tutorial-dest-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  font-size: 16px;
  background: var(--accent-soft);
  border-radius: 999px;
}
@media (max-width: 640px) {
  .tutorial-dest-block { grid-template-columns: 1fr; }
}

.tutorial-flow-step,
.tut-rating {
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 12px;
  font-weight: 850;
}

.tutorial-flow-arrow {
  align-self: center;
  color: var(--muted);
}

.tut-again { color: var(--again); background: var(--again-bg); border-color: var(--again-border); }
.tut-hard { color: var(--hard); background: var(--hard-bg); border-color: var(--hard-border); }
.tut-good { color: var(--good); background: var(--good-bg); border-color: var(--good-border); }
.tut-easy { color: var(--easy); background: var(--easy-bg); border-color: var(--easy-border); }

.tutorial-confirm-btn,
.tutorial-next-btn,
.tutorial-done-btn {
  min-height: 48px;
  padding: 0 18px;
  color: var(--accent-contrast);
  background: var(--gradient-accent);
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  box-shadow: var(--shadow-accent);
}

.tutorial-skip {
  position: absolute;
  top: 20px;
  right: 24px;
  color: var(--muted);
  background: transparent;
  border: 0;
  font-weight: 800;
}

#undoToast,
.storage-error-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 11000;
  padding: 11px 14px;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 13px;
  font-weight: 850;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}

#undoToast.toast-visible,
.storage-error-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

#undoToast.toast-hiding {
  opacity: 0;
}

.tag-saved-flash {
  animation: tagSavedPulse 650ms ease;
}

.card-added-flash {
  animation: cardAddedFlash 700ms ease;
}

.count-pop {
  animation: countPop 400ms ease;
}

.removing {
  animation: removeItem 260ms ease forwards;
}

.slide-in-left {
  animation: slideInLeft 350ms ease both;
}

.slide-in-right {
  animation: slideInRight 350ms ease both;
}

#tagFilterPanel {
  position: fixed;
  top: 72px;
  left: 50%;
  z-index: 10001;
  width: min(92vw, 520px);
  padding: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

#tagFilterPanel h3,
#tagFilterPanel h4 {
  margin: 0 0 10px;
  color: var(--text);
}

#tagFilterPanel .tag-filter-row,
#tagFilterPanel .tag-filter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@keyframes chippy-breathe {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-3px) scale(1.01); }
}

@keyframes chippy-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes chippy-run {
  0%, 100% { transform: translateX(0) rotate(-1deg); }
  50% { transform: translateX(2px) rotate(1deg); }
}

@keyframes chippy-pop {
  0% { transform: scale(.86); opacity: .3; }
  70% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes chippy-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

@keyframes runLines {
  0% { transform: translateX(0); opacity: .5; }
  100% { transform: translateX(-8px); opacity: .15; }
}

@keyframes slideInSettings {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes chippyFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes greetingIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes subtleGlow {
  0%, 100% { box-shadow: var(--paper-shadow); }
  50% { box-shadow: var(--paper-shadow), 0 0 0 5px var(--accent-soft); }
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes focusPop {
  0% { box-shadow: 0 0 0 0 var(--accent-soft); }
  100% { box-shadow: 0 0 0 4px var(--accent-soft); }
}

@keyframes chippy-watch-breathe {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes chippy-proud {
  0%, 100% { transform: rotate(0) scale(1); }
  45% { transform: rotate(-5deg) scale(1.06); }
}

@keyframes chippy-wince {
  0%, 100% { transform: translateX(0); }
  30% { transform: translateX(-4px) rotate(-2deg); }
  60% { transform: translateX(4px) rotate(2deg); }
}

@keyframes chippy-neutral-nod {
  0%, 100% { transform: translateY(0); }
  45% { transform: translateY(4px); }
}

@keyframes cardAddedFlash {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  45% { box-shadow: 0 0 0 7px var(--accent-soft); }
  100% { box-shadow: 0 0 0 0 transparent; }
}

@keyframes countPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

@keyframes removeItem {
  to { opacity: 0; transform: translateX(16px) scale(.98); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes tagSavedPulse {
  0% { border-color: var(--accent); box-shadow: 0 0 0 0 var(--accent-soft); }
  100% { box-shadow: 0 0 0 5px transparent; }
}

@keyframes chippy-celebrate {
  0% { transform: translateY(8px) rotate(-4deg) scale(.9); opacity: 0; }
  60% { transform: translateY(-4px) rotate(4deg) scale(1.05); opacity: 1; }
  100% { transform: translateY(0) rotate(0) scale(1); opacity: 1; }
}

@keyframes slide-up-fade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes confetti-burst {
  0% { transform: translate(-50%, 0) rotate(0); opacity: 1; }
  100% { transform: translate(-50%, 190px) rotate(280deg); opacity: 0; }
}

@keyframes chippy-panic-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

@keyframes chippy-sleep {
  0%, 100% { transform: translateY(0) rotate(-1deg); opacity: .92; }
  50% { transform: translateY(3px) rotate(1deg); opacity: 1; }
}

@keyframes tab-slide-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes card-flip {
  0% { transform: rotateY(0); }
  50% { transform: rotateY(90deg); }
  100% { transform: rotateY(0); }
}

@keyframes progress-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes input-focus-pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-soft); }
  100% { box-shadow: 0 0 0 4px var(--accent-soft); }
}

@keyframes streak-pop {
  0% { transform: scale(.92); }
  65% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

@keyframes segment-bounce {
  0% { transform: scale(1); }
  30% { transform: scale(.88); }
  60% { transform: scale(1.09); }
  80% { transform: scale(.97); }
  100% { transform: scale(1); }
}

@keyframes segment-shimmer {
  100% { transform: translateX(120%); }
}

@keyframes segment-pulse {
  0% { opacity: .9; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.4); }
}

@keyframes segment-spark {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(.2); }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 24px, 930px);
    padding-top: 12px;
  }

  .top-bar {
    align-items: flex-start;
    gap: 12px;
  }

  .top-actions {
    flex-wrap: wrap;
  }

  .account-stack {
    display: none;
  }

  .generate-options-grid,
  .daily-usage-bar,
  .deck-grid,
  .library-deck-grid,
  .session-stats-grid {
    grid-template-columns: 1fr;
  }

  .review-rating-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .review-chippy {
    display: none;
  }
}

@media (max-width: 640px) {
  .review-overlay {
    padding: 14px;
  }

  .review-card {
    min-height: 240px;
    padding: 22px;
  }

  .library-detail-header {
    grid-template-columns: 1fr;
  }

  .file-card {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .file-card-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (max-width: 600px) {
  .tab-button {
    font-size: 12px;
  }

  .auth-row-slim {
    align-items: flex-start;
  }

  #signedOutControls,
  #signedInControls {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .chippy-intro {
    width: 100%;
  }
}

@media (max-width: 540px) {
  .form-card,
  .terminal-card,
  .card-preview-modal-inner,
  .modal-card,
  .instructions-card {
    padding: 16px;
    border-radius: 18px;
  }

  .drop-title {
    font-size: 22px;
  }

  .review-rating-buttons {
    gap: 8px;
  }

  .preview-card-main {
    padding: 18px;
  }

  .preview-card-meta {
    align-items: flex-start;
  }

  .preview-front-input {
    font-size: 21px;
  }

  .preview-tag-summary {
    padding: 12px 18px;
  }

  .preview-tag-grid {
    grid-template-columns: 1fr;
    padding: 14px 18px 18px;
  }

  .grade-btn,
  .review-rating-buttons button {
    min-height: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }

  .drop-visual[data-chippy-state="idle"] .chippy-idle,
  .drop-visual[data-chippy-state="ready"] .chippy-ready,
  .drop-visual[data-chippy-state="generating"] .chippy-generating,
  .drop-visual[data-chippy-state="generating"] .run-lines,
  .drop-visual[data-chippy-state="error"] .chippy-error,
  .chippy-greeting-stack .chippy-idle,
  .create-chippy-intro .chippy-idle,
  .review-empty-state-chippy .chippy,
  .review-chippy-svg,
  .session-chippy-wrap .chippy,
  .tutorial-chippy-run,
  .preview-chippy-dance .chippy,
  .confetti-piece {
    animation: none !important;
  }

  .confetti-piece {
    opacity: 0;
  }
}

.tutorial-rating-guide {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0 4px;
}
.tutorial-rating-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.tutorial-rating-row .tut-rating {
  min-width: 96px;
  text-align: center;
  flex-shrink: 0;
}
.tutorial-rating-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}
.tutorial-flow-label kbd {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--card-border);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 700;
  margin: 0 1px;
}

/* ═══════════════════════════════════════════════
   NEW LAYOUT — sidebar + main content
═══════════════════════════════════════════════ */

/* body background applied to main-content only */
body {
  background: var(--surface);
}

/* ── Create workspace ─────────── */
.create-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  padding-bottom: 48px;
}

.create-form-col {
  min-width: 0;
}

/* ── Override create-section constraints ─── */
.create-section.form-card {
  width: 100%;
  margin: 0;
}

/* ── Override generate panel constraints ─── */
.generate-panel .form-card,
.generate-panel .terminal-card {
  width: 100%;
  margin-left: 0;
  margin-right: 0;
}

/* ── Media queries for new layout ─────────── */
@media (max-width: 900px) {
  .sidebar {
    width: 200px;
  }
  .main-content {
    padding: var(--window-titlebar-safe-top) 20px 48px;
  }
  .create-workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    align-items: center;
    padding: calc(10px + var(--window-titlebar-safe-top)) 14px 10px;
    gap: 0;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    box-shadow: none;
  }
  .sidebar-brand {
    padding: 0 12px 0 0;
    margin-bottom: 0;
    border-bottom: none;
    border-right: 1px solid var(--border);
    margin-right: 8px;
    flex-shrink: 0;
  }
  .sidebar-nav {
    flex-direction: row;
    flex: 1;
    padding-top: 0;
    gap: 2px;
    overflow-x: auto;
  }
  .tab-button {
    min-height: 40px;
    min-width: auto;
    padding: 0 10px;
    font-size: 12px;
    white-space: nowrap;
    border-radius: 10px;
  }
  .sidebar-footer {
    display: none;
  }
  .main-content {
    padding: 0 16px 40px;
    min-height: auto;
    overflow-y: visible;
  }
  .generate-options-grid,
  .deck-grid,
  .library-deck-grid,
  .session-stats-grid {
    grid-template-columns: 1fr;
  }
  .review-rating-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .review-chippy {
    display: none;
  }
}

/* ── Deck export menu ───────────────────────────────────────── */
.export-menu-wrap {
  position: relative;
}

.export-menu {
  top: 38px;
  right: auto;
  left: 0;
  min-width: 250px;
}

.export-menu button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-height: 44px;
  padding: 6px 10px;
}

.export-menu-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-soft);
  opacity: 0.8;
}

.export-menu button:hover .export-menu-sub {
  color: inherit;
}

.export-skip-note {
  font-weight: 500;
  opacity: 0.85;
}

/* ── Post-generation export row (preview modal) ─────────────── */
.preview-export-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin: -8px 0 18px;
  padding: 14px 12px;
  border: 1px dashed var(--card-border);
  border-radius: var(--radius-md);
}

.preview-export-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.preview-export-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.preview-export-result {
  width: 100%;
}

.preview-export-result .anki-export-banner {
  margin: 4px 0 0;
  text-align: left;
}

/* ── Generate: export target + result panel ─────────────────── */
.export-target-label {
  margin-top: 16px;
}

.export-target-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 0;
  border-radius: var(--radius-md);
}

.export-target-toggle .pill-button {
  flex: 1 1 auto;
  padding-left: 6px;
  padding-right: 6px;
  font-size: 12px;
  white-space: nowrap;
}

.generate-export-panel {
  width: min(100%, 760px);
  margin: 18px auto 0;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.generate-export-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.generate-export-summary {
  flex: 1;
  min-width: 200px;
  color: var(--good);
  font-size: 13px;
  font-weight: 800;
}

.generate-export-buttons {
  justify-content: flex-start;
  align-items: center;
}

body[data-theme="clarity"] * { text-shadow: none !important; }
body[data-theme="clarity"] :focus-visible { outline: 3px solid #0b3fb0; outline-offset: 2px; }