/* Reshelved Editorial Theme Stylesheet - 1:1 Flutter Visual Fidelity */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800&family=Courier+Prime:ital,wght@0,400;0,700;1,400&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;0,6..72,700;1,6..72,400;1,6..72,600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --surface: #FBF9F4;
  --surface-dim: #DBDAD5;
  --surface-bright: #FBF9F4;
  --surface-container-lowest: #FFFFFF;
  --surface-container-low: #F5F3EE;
  --surface-container: #F0EEE9;
  --surface-container-high: #EAE8E3;
  --surface-container-highest: #E4E2DD;

  --on-surface: #1B1C19;
  --on-surface-variant: #434845;
  --outline: #747875;
  --outline-variant: #C4C7C4;
  --border-hairline: #D6D1C5;

  --primary: #1A1E1C;
  --on-primary: #FFFFFF;
  --secondary: #456651;
  --on-secondary: #FFFFFF;
  --secondary-container: #C4E9CE;
  --on-secondary-container: #496A55;

  --tertiary: #0D0100;
  --on-tertiary: #FFFFFF;
  --tertiary-container: #400700;
  --on-tertiary-container: #D86045;

  --error: #BA1A1A;
  --on-error: #FFFFFF;
  --error-container: #FFDAD6;
  --on-error-container: #93000A;

  --brass: #D99B26;
  --highlighter-yellow: rgba(253, 224, 71, 0.4);
  --highlighter-yellow-border: rgba(250, 204, 21, 0.67);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  height: 100%;
  background-color: var(--surface);
}

body {
  background-color: var(--surface);
  color: var(--primary);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Responsive Desktop & Publication App Shell */
.app-shell {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background-color: var(--surface);
}

@media (min-width: 540px) {
  body:not(.embedded-mode) {
    background-color: #EFECE6;
  }
  body:not(.embedded-mode) .app-shell {
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.08), 0 1px 0 var(--border-hairline);
    border-left: 1px solid var(--border-hairline);
    border-right: 1px solid var(--border-hairline);
  }
}

/* --- IFRAME & PUBLICATION EMBEDDED MODE --- */
body.embedded-mode {
  min-height: 0 !important;
  height: auto !important;
  background-color: var(--surface) !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
}

body.embedded-mode .app-shell {
  max-width: 100% !important;
  min-height: 0 !important;
  box-shadow: none !important;
  border-left: none !important;
  border-right: none !important;
}

/* Hide bottom mobile tab bar when embedded inside an iframe */
body.embedded-mode .bottom-nav {
  display: none !important;
}

body.embedded-mode main {
  padding-bottom: 6px !important;
}

/* Compact header */
body.embedded-mode .app-header {
  padding-top: 5px !important;
  padding-bottom: 5px !important;
  padding-left: 10px !important;
  padding-right: 10px !important;
}
body.embedded-mode #header-brand-logo {
  width: 22px !important;
  height: 22px !important;
}
body.embedded-mode #app-title-label {
  font-size: 14px !important;
}
body.embedded-mode #publication-tagline {
  font-size: 9px !important;
}

/* Compact Gameboard View for 600-750px iframe heights */
body.embedded-mode #view-game {
  padding-top: 4px !important;
  padding-bottom: 4px !important;
  padding-left: 8px !important;
  padding-right: 8px !important;
}

body.embedded-mode .daily-banner {
  padding: 4px 10px !important;
  margin-bottom: 5px !important;
  border-radius: 6px !important;
}
body.embedded-mode .daily-banner-title {
  font-size: 9.5px !important;
}
body.embedded-mode .daily-banner-stat {
  font-size: 10.5px !important;
}

body.embedded-mode .status-hud {
  gap: 4px !important;
  margin-bottom: 5px !important;
}
body.embedded-mode .hud-pill {
  padding: 2.5px 7px !important;
  font-size: 10px !important;
  border-radius: 10px !important;
}

body.embedded-mode .board-box {
  max-width: min(350px, 94vw) !important;
  padding: 4px !important;
  margin: 0 auto 5px auto !important;
  border-radius: 6px !important;
}
body.embedded-mode .grid-container {
  grid-template-columns: 12px repeat(8, 1fr) !important;
  grid-template-rows: 12px repeat(8, 1fr) !important;
  gap: 2px !important;
}
body.embedded-mode .tile-letter {
  font-size: clamp(12.5px, 3.6vw, 16px) !important;
}
body.embedded-mode .dot-indicator {
  width: 4px !important;
  height: 4px !important;
}
body.embedded-mode .dot-indicator.satisfied {
  width: 5px !important;
  height: 5px !important;
}

body.embedded-mode .clue-strip {
  padding: 5px 8px !important;
  margin-bottom: 5px !important;
  border-radius: 6px !important;
}
body.embedded-mode .clue-definition {
  font-size: 12.5px !important;
  line-height: 1.25 !important;
  margin: 2px 0 !important;
}
body.embedded-mode .clue-tag-label {
  font-size: 8.5px !important;
  padding: 1px 4px !important;
}
body.embedded-mode .clue-safe-badge {
  font-size: 7.5px !important;
  padding: 1px 3.5px !important;
}
body.embedded-mode .clue-mark-btn,
body.embedded-mode .clue-nav-btn {
  font-size: 8.5px !important;
  padding: 1.5px 5px !important;
}

body.embedded-mode .tool-dock {
  padding: 2.5px !important;
  margin-bottom: 5px !important;
  border-radius: 6px !important;
  gap: 3px !important;
}
body.embedded-mode .dock-btn {
  padding: 5px 2px !important;
  font-size: 9.5px !important;
  border-radius: 4px !important;
}

body.embedded-mode .btn-submit-bar {
  padding: 7px 10px !important;
  font-size: 10.5px !important;
  margin-bottom: 3px !important;
  border-radius: 6px !important;
}

/* Compact Home Dossier View */
body.embedded-mode #view-home {
  padding-top: 6px !important;
  padding-bottom: 6px !important;
  padding-left: 10px !important;
  padding-right: 10px !important;
  gap: 8px !important;
}
body.embedded-mode .dossier-card {
  padding: 10px 12px !important;
  margin-bottom: 8px !important;
  border-radius: 10px !important;
}
body.embedded-mode .dossier-card h2 {
  font-size: 16px !important;
}

/* Typography Helpers */
.font-serif {
  font-family: 'Newsreader', Georgia, serif;
}
.font-display {
  font-family: 'Cinzel', Georgia, serif;
}
.font-mono {
  font-family: 'Courier Prime', Courier, monospace;
}

/* App Header */
.app-header {
  border-bottom: 0.8px solid var(--border-hairline);
  background: rgba(251, 249, 244, 0.95);
  backdrop-filter: blur(8px);
}

/* View Switcher */
.view-container {
  display: none !important;
}
.view-container.active {
  display: flex !important;
  flex-direction: column;
  animation: fadeIn 0.15s ease-in;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- HOME DOSSIER VIEW CARDS --- */
.dossier-card {
  background: var(--surface-container-low);
  border-radius: 12px;
  border: 1px solid var(--border-hairline);
  box-shadow: 0 2px 0 var(--border-hairline);
  padding: 16px;
  margin-bottom: 14px;
}
.dossier-card.daily-highlight {
  background: rgba(196, 233, 206, 0.35);
  border: 1.5px solid var(--secondary);
}
.dossier-card.daily-completed {
  background: var(--surface-container-low);
  border: 1px solid var(--border-hairline);
}

/* Daily Banner (Sage Green Pill) */
.daily-banner {
  background-color: var(--secondary-container);
  border: 0.8px solid var(--secondary);
  border-radius: 8px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.daily-banner.campaign-banner {
  background-color: var(--surface-container-high);
  border-color: var(--border-hairline);
}
.daily-banner-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.daily-banner.campaign-banner .daily-banner-title {
  color: var(--primary);
}
.daily-banner-stat {
  font-family: 'Courier Prime', monospace;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--secondary);
}
.daily-banner.campaign-banner .daily-banner-stat {
  color: var(--primary);
}
.daily-banner-att {
  font-size: 10px;
  font-weight: 600;
  color: var(--on-secondary-container);
}

/* Status HUD (Horizontal Rounded Chips) */
.status-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 8px;
  overflow-x: auto;
}
.hud-pill {
  padding: 3.5px 10px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.hud-pill-high {
  background-color: var(--surface-container-high);
  color: var(--primary);
}
.hud-pill-maybe {
  background-color: #FEF3C7;
  color: #B45309;
  border: 0.8px solid #F59E0B;
}
.hud-pill-hints {
  background-color: var(--secondary-container);
  color: var(--on-secondary-container);
  cursor: pointer;
}

/* 8x8 Board Container */
.board-box {
  background: var(--surface-container-low);
  border-radius: 8px;
  border: 1px solid var(--border-hairline);
  box-shadow: 0 2px 0 var(--border-hairline);
  padding: 6px;
  margin: 0 auto 10px auto;
  max-width: 440px;
  width: 100%;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

/* Grid Layout: Top track (14px) + 8 cols; Left track (14px) + 8 rows */
.grid-container {
  display: grid;
  grid-template-columns: 14px repeat(8, 1fr);
  grid-template-rows: 14px repeat(8, 1fr);
  gap: 2.5px;
  align-items: center;
  justify-items: center;
}

/* Axis Dot Indicators (Subtle circles matching Flutter) */
.axis-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.dot-indicator {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  border: 1px solid var(--border-hairline);
  background: transparent;
  transition: all 0.15s ease;
}
.dot-indicator.satisfied {
  width: 6.5px;
  height: 6.5px;
  background-color: var(--secondary);
  border-color: var(--secondary);
}
.dot-indicator.conflict {
  width: 7.5px;
  height: 7.5px;
  background-color: var(--error);
  border-color: var(--error);
  animation: pulse-dot 0.8s infinite alternate;
}
@keyframes pulse-dot {
  0% { transform: scale(1); }
  100% { transform: scale(1.25); }
}

/* Tile Design (Authentic Courier Prime letter in center + corner badges) */
.tile {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  box-shadow: 0 1px 0 var(--border-hairline);
  transition: transform 0.05s ease, background-color 0.12s ease, border-color 0.12s ease;
}
.tile:active {
  transform: translateY(1px);
  box-shadow: none;
}

/* Monospace Tile Letter */
.tile-letter {
  font-family: 'Courier Prime', Courier, monospace;
  font-size: clamp(15px, 4.2vw, 20px);
  font-weight: 700;
  line-height: 1;
  color: var(--primary);
  user-select: none;
}

/* Corner Badges */
.tile-worm-badge {
  position: absolute;
  top: 0px;
  right: 1px;
  font-size: 11px;
  line-height: 1;
  display: none;
}
.tile-maybe-badge {
  position: absolute;
  top: 1px;
  right: 2px;
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
  font-weight: 900;
  color: #D97706;
  line-height: 1;
  display: none;
}
.tile-conflict-badge {
  position: absolute;
  bottom: 0px;
  left: 2px;
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
  font-weight: 900;
  color: #B91C1C;
  line-height: 1;
  display: none;
}

/* Tile States */
.tile.state-cleared {
  background-color: var(--secondary-container);
  border-color: var(--secondary);
}
.tile.state-cleared .tile-letter {
  color: var(--on-secondary-container);
}

.tile.state-worm {
  background-color: var(--error-container);
  border-color: var(--error);
}
.tile.state-worm .tile-letter {
  color: var(--error);
}
.tile.state-worm .tile-worm-badge {
  display: block;
}

.tile.state-maybe {
  background-color: #FEF3C7;
  border-color: #F59E0B;
}
.tile.state-maybe .tile-letter {
  color: #B45309;
}
.tile.state-maybe .tile-maybe-badge {
  display: block;
}

.tile.has-conflict {
  background-color: #FECACA !important;
  border: 1.8px solid #B91C1C !important;
}
.tile.has-conflict .tile-conflict-badge {
  display: block;
}

/* Drag Gesture Live Preview Styles */
.tile.drag-preview-highlight {
  background-color: var(--secondary-container) !important;
  border-color: var(--secondary) !important;
  box-shadow: 0 0 0 1.5px var(--secondary);
}
.tile.drag-preview-highlight .tile-letter {
  color: var(--on-secondary-container) !important;
  font-weight: 700;
}

.tile.drag-preview-erase {
  background-color: var(--error-container) !important;
  border-color: var(--error) !important;
  opacity: 0.75;
}
.tile.drag-preview-erase .tile-letter {
  color: var(--error) !important;
}

.tile.drag-preview-worm {
  background-color: var(--error-container) !important;
  border-color: var(--error) !important;
}

/* Clue Strip (Matching Flutter _buildClueStrip) */
.clue-strip {
  background: var(--surface-container-lowest);
  border-radius: 10px;
  border: 1px solid var(--border-hairline);
  box-shadow: 0 2px 0 var(--border-hairline);
  padding: 10px 14px;
  margin-bottom: 10px;
}
.clue-tag-label {
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier Prime', monospace;
  font-size: 10px;
  font-weight: 700;
  background: #FEF08A;
  color: #713F12;
}
.clue-tag-label.marked {
  background: #E5E7EB;
  color: var(--on-surface-variant);
}
.clue-safe-badge {
  padding: 1.5px 5px;
  border-radius: 4px;
  font-size: 8.5px;
  font-weight: 700;
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  letter-spacing: 0.5px;
}
.clue-mark-btn {
  padding: 3.5px 8px;
  border-radius: 4px;
  font-family: 'Courier Prime', monospace;
  font-size: 9.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.1s ease;
  background: var(--surface-container-high);
  border: 0.8px solid var(--border-hairline);
  color: var(--on-surface-variant);
}
.clue-mark-btn.marked {
  background: #DCFCE7;
  border-color: #16A34A;
  color: #15803D;
}

.clue-definition {
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: 15px;
  line-height: 1.35;
  color: var(--primary);
  margin: 7px 0;
}
.clue-definition.marked {
  text-decoration: line-through;
  color: rgba(67, 72, 69, 0.6);
}

.clue-nav-btn {
  padding: 3.5px 7px;
  border-radius: 4px;
  background: var(--surface-container-high);
  border: 1px solid var(--border-hairline);
  font-family: 'Courier Prime', monospace;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
}
.clue-nav-btn:hover {
  background: var(--surface-container-highest);
}

/* Tool Dock */
.tool-dock {
  background: var(--surface-container);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 4px;
  display: grid;
  grid-template-columns: 3fr 3fr 3fr 2fr;
  gap: 4px;
  margin-bottom: 10px;
}
.dock-btn {
  border: none;
  background: transparent;
  border-radius: 7px;
  padding: 8px 4px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--on-surface-variant);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.12s ease;
}
.dock-btn:hover {
  background: rgba(255, 255, 255, 0.5);
}
.dock-btn.active[data-tool="highlight"] {
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.dock-btn.active[data-tool="worm"] {
  background: var(--tertiary);
  color: var(--on-tertiary);
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.dock-btn.active[data-tool="maybe"] {
  background: #D97706;
  color: #FFFFFF;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.dock-btn.active[data-tool="erase"] {
  background: var(--on-surface-variant);
  color: var(--surface-container-lowest);
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

/* Containment Submit Button */
.btn-submit-bar {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  font-family: 'Courier Prime', monospace;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.15s ease;
  background: var(--surface-container-high);
  color: var(--primary);
  border: 1.2px solid var(--border-hairline);
  box-shadow: 0 2px 0 var(--border-hairline);
}
.btn-submit-bar.all-ready {
  background: var(--secondary);
  color: var(--on-secondary);
  border-color: var(--secondary);
  box-shadow: 0 2px 0 #000000;
}
.btn-submit-bar:active {
  transform: translateY(1.5px);
  box-shadow: none;
}

/* Bottom Navigation Bar (Matching Flutter MainShell) */
.bottom-nav {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(251, 249, 244, 0.96);
  backdrop-filter: blur(10px);
  border-top: 0.8px solid var(--border-hairline);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 40;
}
.nav-tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: color 0.1s ease;
}
.nav-tab-item.active {
  color: var(--primary);
}
.nav-tab-item .nav-icon {
  font-size: 18px;
  line-height: 1;
}
.nav-tab-item .nav-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-tab-item.active .nav-label {
  font-weight: 800;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 22, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  box-shadow: 4px 6px 0 rgba(26, 30, 28, 0.12);
  max-width: 460px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

/* Confetti & Toast */
#confetti-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
}
.toast-notice {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--primary);
  color: var(--on-primary);
  font-family: 'Courier Prime', monospace;
  font-size: 11px;
  padding: 8px 16px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 70;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
}
.toast-notice.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}