/* ==========================================================================
   🃏 EDTECH STORY & FLASHCARD STYLES — /HUMAN-CRAFTED-UI EDITION
   1px Hairlines, Concentric Radii, Multi-Layer Ambient Shadows, Interactive Product Artifacts
   ========================================================================== */

/* 1. Phase 1: Interactive Story Excerpt + Popover Flashcard Artifact on Hero */
.hero-artifact-stack {
  position: absolute;
  bottom: 46px;
  left: 12px;
  width: 244px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero-live-reader-card {
  padding: 9px 11px;
  border-radius: 14px;
  background: rgba(250, 248, 245, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(25, 25, 24, 0.10);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  font-family: var(--font-serif);
  font-size: 12.5px;
  line-height: 1.42;
  color: #191918;
}
.hero-live-word {
  font-family: var(--font-display);
  font-weight: 700;
  color: #1F6348;
  padding: 1px 4px;
  border-radius: 4px;
  border-bottom: 1.5px dashed #1F6348;
  cursor: pointer;
  transition: background-color 0.14s ease;
}
.hero-live-word.is-active {
  background: #DCEFE7;
  border-bottom-style: solid;
}

.hero-mini-flashcard {
  padding: 10px 12px;
  border-radius: 14px;
  background: #FFFFFF;
  border: 1px solid rgba(25, 25, 24, 0.10);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28), 0 1px 2px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.12s var(--ease-out-expo);
}
.hero-mini-flashcard:active { transform: scale(0.98); }
.hero-mini-fc-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.hero-mini-fc-word {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: #191918;
}
.hero-mini-fc-ipa {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 2.5px 7px;
  border-radius: 999px;
  background: #E4F2EC;
  border: 1px solid rgba(31, 99, 72, 0.18);
  color: #103828;
}
.hero-mini-fc-meaning {
  font-size: 11.5px;
  font-weight: 600;
  color: #1F6348;
  margin-top: 3px;
}
.hero-mini-fc-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 10.5px;
  color: #6E6B64;
  margin-top: 3px;
}

/* 2. Phase 2.2: Story Genre Bento (Stretches to Fill Screen + Concentric Radii) */
.genre-bento-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  gap: 11px;
}
.genre-bento-grid.is-spacious { gap: 11px; }
.genre-bento-card {
  display: flex;
  flex-direction: column;
  padding: 7px;
  border-radius: 18px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline-variant);
  box-shadow: var(--vc-card-shadow);
  cursor: pointer;
  transition: transform 0.12s var(--ease-out-expo), background-color 0.15s ease, box-shadow 0.15s ease;
}
.genre-bento-card:active {
  transform: scale(0.98);
}
.genre-bento-card.is-selected {
  background: var(--vc-selected-bg);
  border-color: var(--vc-selected-border);
  box-shadow: var(--vc-selected-shadow);
}
.genre-thumb-wrap {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 120px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--m3-outline-variant);
  background: var(--m3-surface-container-low);
}
.genre-thumb-wrap.is-tall { min-height: 126px; }
.genre-thumb-wrap img { width: 100%; height: 100%; object-fit: cover; }
.genre-check {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
}
.genre-chapter-pill {
  position: absolute;
  bottom: 7px;
  left: 7px;
  padding: 3px 8px;
  border-radius: 7px;
  background: rgba(15, 17, 15, 0.76);
  backdrop-filter: blur(6px);
  color: #FAF8F5;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.genre-card-body { padding: 10px 6px 5px; flex-shrink: 0; }

.level-seed-orb {
  width: 50px;
  height: 50px;
  border-radius: 13px;
  background: var(--m3-surface-container-low);
  border: 1px solid var(--m3-outline-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.level-seed-orb img { width: 30px; height: 30px; object-fit: contain; }
.level-full-card.is-selected .level-seed-orb {
  background: var(--m3-primary-container);
}

/* Daily Goal Mini Visual Artifact (Book + Stacked Cards Counter) */
.daily-artifact-chips {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
}
.daily-artifact-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3.5px 9px;
  border-radius: 8px;
  background: var(--m3-surface-container-low);
  border: 1px solid var(--m3-outline-variant);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--m3-on-surface-variant);
}

/* 3. Phase 3: Interactive Story Reader Page — Compact Image + Single 3D Flippable Card (Fits 1 Screen) */
.story-demo-stage {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 0;
}
.story-comic-panel {
  position: relative;
  width: 100%;
  height: 144px;
  flex-shrink: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--m3-outline-variant);
  box-shadow: var(--vc-card-shadow);
}
.story-comic-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 36%;
}
.story-comic-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 10, 0.34) 0%, transparent 50%, rgba(10, 12, 10, 0.72) 100%);
}
.story-top-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  z-index: 2;
}
.story-mission-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(18, 20, 18, 0.78);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #FAF8F5;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
}
.story-saved-counter-pill {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(18, 20, 18, 0.78);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #FAF8F5;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.story-saved-counter-pill b { color: #6EE7B7; font-weight: 700; }

/* Single 3D Flippable Story/Word Card */
.story-flip-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.story-flip-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 15px 16px;
  border-radius: 20px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline);
  box-shadow: var(--vc-card-shadow);
  cursor: pointer;
  transition: transform 0.18s var(--ease-out-expo);
}
.story-flip-front,
.story-flip-back {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}
.story-dialogue-top-row {
  display: flex;
  align-items: center;
  gap: 11px;
}
.story-speaker-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--m3-primary-container);
  color: var(--m3-primary);
  border: 1px solid var(--m3-outline-variant);
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s var(--ease-out-expo);
}
.story-speaker-btn:active { transform: scale(0.95); }
.story-speaker-meta { flex: 1; min-width: 0; }
.story-speaker-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--m3-primary);
}
.story-speaker-sub {
  font-size: 12px;
  color: var(--m3-on-surface-variant);
  margin-top: 2px;
}
.story-dialogue-line {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.62;
  color: var(--m3-on-surface);
  margin: auto 0;
  padding: 4px 2px 10px;
}
.story-dialogue-vi {
  padding: 9px 12px;
  border-radius: 12px;
  background: var(--m3-surface-container-low);
  border: 1px dashed var(--m3-outline-variant);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--m3-on-surface-variant);
  line-height: 1.42;
}
.story-flip-hint {
  min-height: 38px;
  padding: 8px 12px;
  font-size: 12.5px;
}

.story-target-word {
  position: relative;
  display: inline-block;
  padding: 1px 6px;
  border-radius: 6px;
  font-family: var(--font-display);
  color: var(--m3-primary);
  font-weight: 700;
  border-bottom: 2px dashed var(--m3-primary);
  cursor: pointer;
  transition: background-color 0.14s ease, transform 0.12s ease;
}
.story-target-word:active { transform: scale(0.96); }
.story-target-word.is-active {
  background: var(--m3-primary-container);
  border-bottom-style: solid;
}

.hand-coachmark {
  position: absolute;
  left: 50%;
  bottom: -24px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  padding: 2.5px 8px;
  border-radius: 999px;
  background: var(--m3-on-surface);
  color: var(--m3-surface);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  z-index: 10;
  pointer-events: none;
}

/* Back Side of Story Flip Card */
.inline-word-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.inline-word-title-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.inline-headword {
  font-family: var(--font-serif);
  font-size: 23px;
  font-weight: 700;
  color: var(--m3-on-surface);
}
.ipa-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: var(--m3-primary-container);
  border: 1px solid var(--m3-outline-variant);
  color: var(--m3-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.pos-italic-tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
  color: var(--m3-on-surface-variant);
}
.word-saved-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  padding: 3.5px 9px;
  border-radius: 999px;
  background: var(--vc-selected-bg);
  border: 1px solid var(--m3-outline-variant);
  color: var(--m3-primary);
}
.story-back-meaning-card {
  padding: 11px 13px;
  border-radius: 14px;
  background: var(--vc-selected-bg);
  border: 1px solid var(--m3-outline-variant);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.inline-word-meaning { font-size: 15px; font-weight: 700; color: var(--m3-primary); line-height: 1.35; }
.inline-word-collocation { font-size: 12.5px; color: var(--m3-on-surface-variant); line-height: 1.38; }

/* 4. Phase 4: 1-Tap Flashcard Recall — Minimal Buttons, Large Full-Height 3D Card */
.flashcard-stage-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

/* 3-Word Deck Selector Tabs */
.fc-deck-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  flex-shrink: 0;
}
.fc-deck-tab {
  min-height: 46px;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--m3-outline-variant);
  background: var(--vc-card-grad);
  box-shadow: var(--vc-card-shadow);
  color: var(--m3-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  transition: transform 0.12s var(--ease-out-expo), background-color 0.15s ease;
}
.fc-deck-tab:active { transform: scale(0.97); }
.fc-deck-tab.is-active {
  background: var(--vc-selected-bg);
  border-color: var(--vc-selected-border);
  box-shadow: var(--vc-selected-shadow);
  color: var(--m3-primary);
}
.fc-deck-tab-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--m3-surface-container-low);
  border: 1px solid var(--m3-outline-variant);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.fc-deck-tab.is-active .fc-deck-tab-num {
  background: var(--m3-primary);
  border-color: var(--m3-primary);
  color: var(--m3-on-primary);
}
.fc-deck-tab-word {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fc-stack-area {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 390px;
  padding-top: 12px;
  display: flex;
  flex-direction: column;
}
.fc-stack-shadow-2 {
  position: absolute; top: 0; left: 22px; right: 22px; height: 28px; border-radius: 20px;
  background: var(--m3-surface-container-low); border: 1px solid var(--m3-outline-variant);
}
.fc-stack-shadow-1 {
  position: absolute; top: 6px; left: 11px; right: 11px; height: 28px; border-radius: 22px;
  background: var(--vc-card-grad); border: 1px solid var(--m3-outline-variant);
}
.fc-active-card {
  position: relative;
  z-index: 3;
  flex: 1;
  border-radius: 24px;
  padding: 18px 20px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline);
  box-shadow: var(--vc-card-shadow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  transition: transform 0.18s var(--ease-out-expo);
}
.fc-card-corners { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.fc-mastery-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--m3-surface-container-low);
  border: 1px solid var(--m3-outline-variant);
  color: var(--m3-on-surface-variant);
}
.fc-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--m3-outline-variant);
  background: var(--m3-primary-container);
  color: var(--m3-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.12s var(--ease-out-expo);
}
.fc-icon-btn:active { transform: scale(0.95); }

/* Front Body of Large Flashcard */
.fc-front-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
}
.fc-front-art-wrap {
  position: relative;
  width: 100%;
  height: 136px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--m3-outline-variant);
  background: var(--m3-surface-container-low);
}
.fc-front-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.fc-front-pos-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(18, 20, 18, 0.76);
  backdrop-filter: blur(6px);
  color: #FAF8F5;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
}
.fc-headword {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--m3-on-surface);
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.fc-phonetics-row { display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.fc-story-quote {
  width: 100%;
  padding: 13px 15px;
  border-radius: 14px;
  background: var(--m3-surface-container-low);
  border: 1px solid var(--m3-outline-variant);
  font-family: var(--font-serif);
  font-size: 15px;
  font-style: italic;
  color: var(--m3-on-surface);
  line-height: 1.5;
  text-align: left;
}
.fc-story-quote.is-compact { font-size: 14px; padding: 11px 14px; }
.fc-story-quote b { color: var(--m3-primary); font-style: normal; }

.fc-flip-banner {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 13px;
  background: var(--m3-primary-container);
  border: 1px solid var(--m3-outline-variant);
  color: var(--m3-primary);
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.fc-flip-banner.is-flipped-banner {
  background: var(--m3-surface-container-low);
  color: var(--m3-on-surface-variant);
}

/* Back Body of Large Flashcard */
.fc-back-reveal {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  text-align: left;
}
.fc-back-top-word {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--m3-hairline);
}
.fc-back-word-label {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--m3-on-surface);
}
.fc-back-ipa-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--m3-primary);
  font-weight: 600;
}
.fc-meaning-box {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 14px;
  border-radius: 15px;
  background: var(--vc-selected-bg);
  border: 1px solid var(--m3-outline-variant);
}
.fc-meaning-thumb { width: 58px; height: 58px; border-radius: 11px; border: 1px solid var(--m3-outline-variant); object-fit: cover; flex-shrink: 0; }
.fc-meaning-kicker, .fc-colloc-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--m3-on-surface-variant);
  margin-bottom: 3px;
}
.fc-meaning-vi { font-size: 16.5px; font-weight: 700; color: var(--m3-primary); line-height: 1.35; }
.fc-colloc-card {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--m3-surface-container-low);
  border: 1px solid var(--m3-outline-variant);
}
.fc-meaning-colloc { font-size: 13.5px; font-weight: 500; color: var(--m3-on-surface); line-height: 1.42; }

/* 5. Phase 5: Live Reader & Card Surface Preview + Widget (Fills Viewport) */
.habit-lock-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}
.ikea-theme-card {
  padding: 15px 16px;
  border-radius: 18px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline-variant);
  box-shadow: var(--vc-card-shadow);
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.ikea-theme-header {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--m3-on-surface-variant);
}
.ikea-theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.ikea-swatch-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 12px 8px;
  border-radius: 14px;
  border: 1px solid var(--m3-outline-variant);
  background: var(--m3-surface-container-low);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--m3-on-surface);
  transition: transform 0.12s var(--ease-out-expo);
}
.ikea-swatch-btn:active { transform: scale(0.97); }
.ikea-swatch-btn.is-selected {
  background: var(--vc-selected-bg);
  border-color: var(--vc-selected-border);
  box-shadow: var(--vc-selected-shadow);
}
.ikea-swatch-preview {
  width: 52px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(25, 25, 24, 0.14);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #191918;
}
.ikea-live-page-preview {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(25, 25, 24, 0.12);
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.45;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.ikea-live-page-quote b {
  color: #1F6348;
  border-bottom: 1.5px dashed #1F6348;
}

.ios-widget-mockup-card {
  padding: 15px 16px;
  border-radius: 18px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline-variant);
  box-shadow: var(--vc-card-shadow);
}
.ios-widget-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.ios-widget-kicker {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--m3-on-surface-variant);
}
.ios-widget-streak { font-family: var(--font-mono); font-size: 11px; font-weight: 700; color: var(--m3-primary); }
.ios-widget-body { display: flex; align-items: center; gap: 12px; }
.ios-widget-body img {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  object-fit: contain;
  background: var(--m3-primary-container);
  border: 1px solid var(--m3-outline-variant);
  flex-shrink: 0;
}
.ios-widget-content { flex: 1; min-width: 0; }
.ios-widget-word { font-size: 14px; font-weight: 700; color: var(--m3-on-surface); }
.ios-widget-word b { font-family: var(--font-serif); color: var(--m3-primary); }
.ios-widget-sub { font-size: 12.5px; color: var(--m3-on-surface-variant); margin-top: 3px; line-height: 1.35; }
.widget-toggle-btn {
  min-height: 40px;
  padding: 7px 14px;
  border-radius: 11px;
  border: 1px solid var(--m3-outline-variant);
  background: var(--m3-surface-container-low);
  color: var(--m3-on-surface);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.12s var(--ease-out-expo);
}
.widget-toggle-btn:active { transform: scale(0.97); }
.widget-toggle-btn.is-added {
  background: var(--m3-primary);
  border-color: var(--m3-primary);
  color: var(--m3-on-primary);
}

.notif-inline-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  border-radius: 18px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline-variant);
  box-shadow: var(--vc-card-shadow);
}
.notif-inline-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--m3-on-surface);
}
.notif-inline-sub { font-size: 12.5px; color: var(--m3-on-surface-variant); margin-top: 3px; }
.notif-switch-pill {
  min-height: 40px;
  padding: 7px 14px;
  border-radius: 11px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  background: var(--m3-surface-container-low);
  color: var(--m3-on-surface);
  border: 1px solid var(--m3-outline-variant);
}
.notif-switch-pill.is-on {
  background: var(--m3-primary);
  border-color: var(--m3-primary);
  color: var(--m3-on-primary);
}

/* 6. Phase 6: Visual Artifact Summary (Fills Screen Cleanly) */
.signup-paywall-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 11px;
}
.signup-header-card {
  padding: 15px 16px;
  border-radius: 18px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline-variant);
  box-shadow: var(--vc-card-shadow);
}
.signup-kicker {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--m3-primary);
}
.signup-headline {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--m3-on-surface);
  margin-top: 4px;
  line-height: 1.2;
}
.signup-sub { font-size: 13px; color: var(--m3-on-surface-variant); margin-top: 5px; line-height: 1.45; }
.signup-sub b { color: var(--m3-on-surface); font-weight: 600; }
.endowed-summary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.endowed-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border-radius: 12px;
  background: var(--m3-surface-container-low);
  border: 1px solid var(--m3-outline-variant);
  font-size: 12.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--m3-on-surface);
}

/* Visual Deck Preview Row on Final Step */
.saved-deck-preview-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}
.saved-mini-card {
  padding: 12px 11px;
  border-radius: 14px;
  background: var(--vc-card-grad);
  border: 1px solid var(--m3-outline-variant);
  box-shadow: var(--vc-card-shadow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform 0.12s var(--ease-out-expo);
}
.saved-mini-card:active { transform: scale(0.97); }
.saved-mini-word {
  font-family: var(--font-serif);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--m3-on-surface);
}
.saved-mini-ipa {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--m3-primary);
}
.saved-mini-meaning {
  font-size: 11.5px;
  color: var(--m3-on-surface-variant);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.auth-buttons-stack { display: flex; flex-direction: column; gap: 9px; }
.auth-provider-btn {
  width: 100%;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--m3-outline-variant);
  background: var(--vc-card-grad);
  color: var(--m3-on-surface);
  box-shadow: var(--vc-card-shadow);
  transition: transform 0.12s var(--ease-out-expo);
}
.auth-provider-btn:active { transform: scale(0.98); }
.auth-provider-btn.is-apple { background: var(--m3-on-surface); color: var(--m3-surface); }