:root {
  /* --- Core Palette --- */
  --bg-body: #0a0a0a;
  --bg-panel: #000000;
  --bg-card: #0a0a0a;
  --bg-input: #0f0f0f;
  
  /* --- Borders --- */
  --border-main: #1e293b;
  --border-light: #334155;
  
  /* --- Typography --- */
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  
  /* --- Theming Variables --- */
  --accent-color: #0062ff;
  --accent-glow: rgba(59, 130, 246, 0.3);
  --accent-dim: rgba(59, 130, 246, 0.1);
  --gradient-start: #0062ff;
  --gradient-end: #0062ff;
  
  /* --- Status Colors --- */
  --status-success: #22c55e;
  --status-warning: #eab308; /* Gold/Yellow for Headers */
  --status-error: #ef4444;
}

/* --- Theme Overrides --- */
body.theme-dark-blue {
  --accent-color: #02368a;
  --accent-glow: rgba(70, 58, 237, 0.4);
  --accent-dim: rgba(124, 58, 237, 0.1);
  --gradient-start: #0062ff;
  --gradient-end: #0062ff;
}
body.theme-teal {
  --accent-color: #39a78e;
  --accent-glow: rgba(14, 165, 233, 0.4);
  --accent-dim: rgba(14, 165, 233, 0.1);
  --gradient-start: #39a78e;
  --gradient-end: #39a78e;
}
body.theme-dark-teal {
  --accent-color: #008566ff;
  --accent-glow: rgba(14, 233, 222, 0.4);
  --accent-dim: rgba(14, 226, 233, 0.1);
  --gradient-start: #008566ff;
  --gradient-end: #008566ff;
}
body.theme-purple {
  --accent-color: #5d00ff;
  --accent-glow: rgba(124, 58, 237, 0.4);
  --accent-dim: rgba(124, 58, 237, 0.1);
  --gradient-start: #5d00ff;
  --gradient-end: #5d00ff;
}
body.theme-dark-purple {
  --accent-color: #3f01ac;
  --accent-glow: rgba(124, 58, 237, 0.4);
  --accent-dim: rgba(124, 58, 237, 0.1);
  --gradient-start: #3f01ac;
  --gradient-end: #3f01ac;
}
body.theme-pink {
  --accent-color: #ff00ea;
  --accent-glow: rgba(124, 58, 237, 0.4);
  --accent-dim: rgba(124, 58, 237, 0.1);
  --gradient-start: #ff00ea;
  --gradient-end: #ff00ea;
}
body.theme-dark-pink {
  --accent-color: #960089;
  --accent-glow: rgba(231, 58, 237, 0.4);
  --accent-dim: rgba(124, 58, 237, 0.1);
  --gradient-start: #960089;
  --gradient-end: #960089;
}
body.theme-green {
  --accent-color: #00ff00;
  --accent-glow: rgba(5, 150, 105, 0.4);
  --accent-dim: rgba(5, 150, 105, 0.1);
  --gradient-start: #00ff00;
  --gradient-end: #00ff00;
}
body.theme-dark-green {
  --accent-color: #009600;
  --accent-glow: rgba(5, 150, 105, 0.4);
  --accent-dim: rgba(5, 150, 105, 0.1);
  --gradient-start: #009600;
  --gradient-end: #009600;
}
body.theme-orange {
  --accent-color: #ff4800;
  --accent-glow: rgba(234, 88, 12, 0.4);
  --accent-dim: rgba(234, 88, 12, 0.1);
  --gradient-start: #ff4800;
  --gradient-end: #ff4800;
}
body.theme-dark-orange {
  --accent-color: #aa3102;
  --accent-glow: rgba(234, 88, 12, 0.4);
  --accent-dim: rgba(234, 88, 12, 0.1);
  --gradient-start: #aa3102;
  --gradient-end: #aa3102;
}
body.theme-red {
  --accent-color: #ff0000;
  --accent-glow: rgba(220, 38, 38, 0.4);
  --accent-dim: rgba(220, 38, 38, 0.1);
  --gradient-start: #ff0000;
  --gradient-end: #ff0000;
}
body.theme-dark-red {
  --accent-color: #8b0202;
  --accent-glow: rgba(220, 38, 38, 0.4);
  --accent-dim: rgba(220, 38, 38, 0.1);
  --gradient-start: #8b0202;
  --gradient-end: #8b0202;
}

/* --- Global Reset & Scrollbars --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-body); border-radius: 5px; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(145deg, var(--accent-color), var(--border-main));
  border-radius: 5px;
  border: 1px solid var(--bg-body);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-color); }

::selection { background: var(--accent-glow); color: #fff; }

/* --- Body & Layout --- */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  min-height: 100vh;
  width: 100vw;
  overflow-x: hidden;
  transition: background 0.3s ease;
}

body.game-theme {
  background-color: #000000;
  background-image: url('background.webp');
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
}
body.blue-theme {
  background: linear-gradient(135deg, #060c1b 0%, #0b1f3d 50%, #18417a 100%) fixed;
}
body.game-theme .calculator-card,
body.blue-theme .calculator-card {
  background: rgba(0, 0, 0, 0.9);
}

/* --- Header / Topbar --- */
header {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-main);
}
.w-full.max-w-2xl {
  max-width: none !important;
  width: 100vw !important;
  margin: 0 !important;
  padding: 0 !important;
  min-height: 100vh !important;
}
.topbar {
  padding: 12px 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-main);
}
.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.topbar-title {
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.topbar-credits, .version-text {
  color: var(--text-muted);
  font-size: 0.875rem;
}
.topbar-theme-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
.topbar-theme-btn:hover {
  background: var(--border-light);
  color: var(--text-main);
  border-color: var(--accent-color);
}

/* --- Navigation Tabs --- */
.calculator-card {
  display: flex;
  flex: 1;
  position: relative;
}
.flex.border-b-2 {
  border-bottom: none !important;
  border-right: 1px solid var(--border-main) !important;
  margin-bottom: 0 !important;
  background: var(--bg-panel);
  padding: 20px 10px;
  gap: 8px;
  flex-direction: column !important;
  width: 240px;
  min-width: 240px;
  flex-shrink: 0;
  position: sticky;
  top: 60px;
  align-self: flex-start;
  height: calc(100vh - 60px); 
  overflow-y: auto;
}
.tab-btn {
  color: var(--text-muted); 
  border: 1px solid transparent !important;
  border-radius: 8px;
  padding: 12px 16px !important;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
  text-align: left;
  width: 100%;
}
.tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-input);
  border-color: var(--border-light) !important;
}
.tab-btn.active {
  color: #fff;
  background: var(--accent-color);
  border-color: var(--accent-color) !important;
  box-shadow: 0 0 15px var(--accent-glow);
}
.content-wrapper {
  flex: 1;
  padding: 30px 40px;
  max-width: 1400px;
  margin: 0;
  width: 100%;
  padding-bottom: 100px !important;
}

/* --- HEADERS: FORCE YELLOW --- */
/* Target all heading levels and specific titles */
h3, h4, .subsection-title, .world-section-title, .world-subsection-title {
    color: var(--status-warning) !important; /* Gold/Yellow */
    border-color: var(--border-light) !important;
}

/* Specific Override for Active Boosts (which has a blue class in HTML) */
h4.text-blue-400 {
    color: var(--status-warning) !important;
}

.subsection-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

/* --- Inputs --- */
.input-field, .select-field {
  background-color: var(--bg-input);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s ease;
  padding: 10px 12px;
}
.input-field:focus, .select-field:focus {
  border-color: var(--accent-color);
  background-color: var(--bg-body);
  box-shadow: 0 0 0 1px var(--accent-glow);
  outline: none;
}
.input-field:hover, .select-field:hover {
  border-color: var(--border-main);
}
.input-field::placeholder {
  color: #64748b;
  font-size: 14px;
}
.select-field {
  appearance: none;
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"><path fill="%2394a3b8" d="M2 0L0 2h4zm0 5L0 3h4z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  padding-right: 40px;
}
.select-field option {
  background: var(--bg-panel);
  color: var(--text-main);
  padding: 8px;
}
.input-label-small {
    color: var(--text-muted); 
    font-weight: 500;
    font-size: 11px;
    margin-bottom: 2px;
    display: block;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
label {
  color: #e2e8f0;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 10px;
  display: block;
  letter-spacing: 0.025em;
}
.search-list {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 8px;
}
.search-list div {
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.2s;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
}
.search-list div:hover {
  background: var(--border-light);
}
.search-list div:last-child {
  border-bottom: none;
}

/* --- RESULT BOXES (THE CORE LOGIC) --- */
.result-box {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-main);
  margin-top: 25px;
  padding: 16px !important;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all 0.2s ease;
}

/* 1. Labels inside Result Box -> FORCE WHITE */
.result-box p {
  color: var(--text-main) !important; /* White */
  font-size: 14px;
  margin-bottom: 6px;
}
/* Specifically override the "Avg Special Drops" label which has a blue class in HTML */
.result-box p.text-blue-400 {
  color: var(--text-main) !important;
}

/* 2. Numbers inside Result Box -> FORCE BLUE (Accent) */
.result-box p:last-child {
  color: var(--accent-color) !important; /* Blue */
  font-size: 2.5rem !important;
  font-weight: 700 !important;
  margin: 0;
  line-height: 1.2;
}

/* 3. Specific ID Overrides (to ensure size and color stick) */
#rankUpResult, #etaResult, #timeToEnergyResult, #ttkResult, #lootTokensResult, #lootSpecialDropsResult {
    color: var(--accent-color) !important;
    font-size: 2.5rem !important;
    font-weight: 700 !important;
}

/* Time to Target (Loot) - Keep Accent Color */
#lootTokenTimeToTargetResult {
    color: var(--accent-color) !important; 
    opacity: 1 !important;
}

/* Buttons & Toggles */
button {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
button:hover {
  color: var(--text-main);
  background: var(--border-light);
  border-color: var(--border-main);
}
button:active {
  background: var(--bg-body);
}
.toggle-container {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 4px;
  margin: 12px 0;
  display: flex;
  gap: 2px;
  width: fit-content;
}
.topbar-right .toggle-container {
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    gap: 0;
    border-radius: 0;
}
.topbar-right .toggle-container .toggle-btn {
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 12px;
    border: 1px solid var(--border-main);
    background: var(--bg-input);
}
.topbar-right .toggle-container .toggle-btn:hover {
    background: var(--border-light);
}
.topbar-right .toggle-container .toggle-btn.active {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}
.toggle-btn {
  padding: 6px 12px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.toggle-btn:hover {
  color: var(--text-main);
  background: var(--border-light);
}
.toggle-btn.active {
  background: var(--accent-color);
  color: #fff;
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
}
.world-toggle {
  margin: 0 0 0.5rem 1rem;
  width: fit-content;
  flex-shrink: 0;
}
.world-toggle .toggle-btn {
  font-size: 11px;
  padding: 4px 10px;
}
.space-y-6 {
  max-width: 100%;
  margin: 0;
  padding: 0;
}
.space-y-6 > div {
  margin-bottom: 28px;
}
.grid-denom {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 12px;
  align-items: end;
}
.grid-time {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-items: end;
}
.alert-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}
.alert-item:hover {
  background: var(--border-light);
}
.alert-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--status-warning);
  cursor: pointer;
}
.alert-item span {
  font-size: 0.9rem;
  color: #e2e8f0;
}
.world-section-header {
  display: flex;
  align-items: flex-end;
  margin-bottom: 1rem;
}
.world-section-title {
  color: var(--text-main);
  font-size: 1.5rem;
  font-weight: 700;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-main);
  position: relative;
  overflow: hidden;
  margin-bottom: 0;
}
.world-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-color), var(--gradient-end));
  width: var(--progress, 0%);
  transition: width 0.3s ease;
}

/* Sub-section titles override to specific colors if needed, but headers are yellow by default now */
.world-subsection-title.gachas { color: #f59e0b !important; }
.world-subsection-title.progressions { color: #10b981 !important; }
.world-subsection-title.sssRank { color: #ef4444 !important; }
.world-subsection-title.auras { color: #8b5cf6 !important; }
.world-subsection-title.accessories { color: #06b6d4 !important; }
.world-subsection-title.quests { color: #eab308 !important; }
.world-subsection-title.raidAchievements { color: #ffffff !important; }

.checklist-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 4px;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.checklist-item:hover {
  background: var(--bg-input);
}
.checklist-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-color);
  cursor: pointer;
}
.checklist-item span {
  color: #cbd5e1;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  user-select: none;
  flex: 1;
}
.checklist-item.completed {
  animation: completePulse 0.5s ease-out;
}
@keyframes completePulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); background: var(--status-success); }
  100% { transform: scale(1); }
}
.category-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 8px;
}
.badge-gachas { background: #f59e0b20; color: #f59e0b; }
.badge-progressions { background: #10b98120; color: #10b981; }
.badge-sssRank { background: #ef444420; color: #ef4444; }
.badge-auras { background: #8b5cf620; color: #8b5cf6; }
.badge-accessories { background: #06b6d420; color: #06b6d4; }
.badge-quests { background: #eab30820; color: #eab308; }
.badge-raidAchievements { background: #b9b9b920; color: #bdbdbd; }
.progress-indicator {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.progress-bar {
  background: var(--border-light);
  border-radius: 10px;
  height: 8px;
  margin: 0.5rem 0;
  overflow: hidden;
}
.progress-fill {
  background: linear-gradient(90deg, var(--accent-color), var(--gradient-end));
  height: 100%;
  transition: width 0.3s ease;
  border-radius: 10px;
}
.search-filter {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 1rem;
  width: 100%;
  font-size: 14px;
}
.search-filter:focus {
  border-color: var(--accent-color);
  outline: none;
}
.search-filter::placeholder {
  color: var(--text-muted);
}
.mobile-nav-wrapper {
  display: none;
  padding: 10px 0 0 0;
  background: transparent;
  border-bottom: none;
  width: 100%;
  margin-top: 10px;
  border-top: 1px solid var(--border-main);
}
.hidden { display: none !important; }

@media (max-width: 768px) {
  #tab-controls {
    display: none !important;
  }
  .mobile-nav-wrapper {
    display: block !important;
  }
  #mobile-nav-select {
    border-color: var(--border-main) !important;
    background-color: var(--bg-panel) !important;
  }
  #mobile-nav-select:focus {
    border-color: var(--accent-color) !important;
  }
  .topbar-content {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }
  .topbar-right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    margin-top: 10px;
    gap: 15px;
  }
  .topbar-right .toggle-container {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .topbar-right .toggle-container .toggle-btn {
    flex: 1;
  }
  .topbar-title {
    font-size: 1.25rem;
  }
  .topbar-credits {
    font-size: 0.75rem;
  }
  .calculator-card {
    flex-direction: column;
  }
  .grid-denom {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .grid-time {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .world-section-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .world-section-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    width: 100%; 
  }
  .toggle-container {
    width: 100%;
    justify-content: center;
  }
  .world-toggle {
    width: 100%;
    justify-content: center;
    margin: 0 0 0.5rem 0;
  }
  .toggle-btn {
    flex: 1;
    text-align: center;
  }
  #collapsible-header-info {
    max-height: 500px;
    opacity: 1;
    margin-bottom: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: top;
    overflow: hidden;
  }
  body.scrolled #collapsible-header-info {
    max-height: 0px !important;
    opacity: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: scaleY(0);
  }
  body.scrolled .topbar-content {
    gap: 0 !important; 
  }
  body.scrolled .topbar-right {
    margin-top: 0 !important;
  }
  body.scrolled .topbar {
    padding-top: 8px;
    padding-bottom: 8px;
    border-bottom-color: var(--accent-color);
  }
}
/* Tailwind Utility Classes Replacements/Overrides */
.text-\[\#3b82f6\] { color: var(--accent-color) !important; }
.bg-\[\#0a0a0a\] { background-color: var(--bg-card); }
.bg-\[\#0f172a\] { background-color: var(--bg-input); }
.bg-\[\#020617\] { background-color: var(--bg-body); }
.border-blue-600 { border-color: var(--accent-color) !important; }
.border-\[\#1e293b\] { border-color: var(--border-main) !important; }
.border-\[\#334155\] { border-color: var(--border-light) !important; }
.from-blue-600 {
    --tw-gradient-from: var(--accent-color) !important;
    --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to) !important;
}
.to-cyan-400 {
    --tw-gradient-to: var(--gradient-end) !important;
}