/* ==========================================================================
   MLBB Meta Analyser - Base & Design System
   Aesthetic, clean, approachable dark slate & neutral design (Linear / Apple style)
   ========================================================================== */

:root, [data-theme="dark"] {
  /* Color Palette - Clean, Accessible, No Aggressive Neon (Dark Slate Mode) */
  --bg-primary: #0b0f19;
  --bg-surface: #131b2e;
  --bg-surface-elevated: #1a243b;
  --bg-surface-hover: #222f4c;
  --border-subtle: #232d42;
  --border-focus: #38bdf8;
  --header-bg: rgba(11, 15, 25, 0.85);

  /* Typography Colors (WCAG AA Compliant: >= 7:1 on dark surfaces) */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #cbd5e1;
  --text-dim: #94a3b8;
  --text-inverse: #0b0f19;

  /* Functional Accents */
  --brand-primary: #38bdf8;
  --brand-secondary: #818cf8;
  --win-green: #34d399;
  --win-green-bg: rgba(52, 211, 153, 0.12);
  --ban-rose: #f87171;
  --ban-rose-bg: rgba(248, 113, 113, 0.12);
  --pick-blue: #60a5fa;
  --pick-blue-bg: rgba(96, 165, 250, 0.12);
  
  /* Tier Rating Colors */
  --tier-s-plus: #fbbf24;
  --tier-s-plus-bg: rgba(251, 191, 36, 0.15);
  --tier-s: #f59e0b;
  --tier-s-bg: rgba(245, 158, 11, 0.12);
  --tier-a: #a855f7;
  --tier-a-bg: rgba(168, 85, 247, 0.12);
  --tier-b: #3b82f6;
  --tier-b-bg: rgba(59, 130, 246, 0.12);
  --tier-c: #64748b;
  --tier-c-bg: rgba(100, 116, 139, 0.12);
  --tier-d: #475569;
  --tier-d-bg: rgba(71, 85, 105, 0.12);

  /* Shadows & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px -1px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.45);
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);

  /* Background Glow Gradient */
  --body-bg-gradient: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(56, 189, 248, 0.08), transparent),
                      radial-gradient(ellipse 60% 40% at 90% 10%, rgba(129, 140, 248, 0.04), transparent);

  /* Modal Banner Gradient */
  --modal-banner-bg: linear-gradient(180deg, rgba(19, 27, 46, 0.4) 0%, rgba(19, 27, 46, 1) 100%),
                     radial-gradient(ellipse at top right, rgba(56, 189, 248, 0.15), transparent 70%);

  /* Overlay & Backdrop */
  --overlay-bg: rgba(11, 15, 25, 0.75);
  --drawer-overlay-bg: rgba(11, 15, 25, 0.7);
  --drawer-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);
  --tab-active-glow: 0 0 16px rgba(56, 189, 248, 0.2);

  /* Tactical Badge Colors (always vibrant on dark) */
  --badge-anti-dash: #f87171;
  --badge-anti-sustain: #fbbf24;
  --badge-disrupt: #c084fc;
  --badge-tank-buster: #fb923c;
  --badge-burst-color: #38bdf8;
  --badge-cc-color: #34d399;
  --badge-poke-color: #818cf8;
  --badge-hyper-carry: #fbbf24;
  --badge-wombo-combo: #c084fc;
  --badge-dive-partner: #38bdf8;
  --badge-engage-peel: #34d399;
  --badge-zone-poke: #38bdf8;
  --badge-sustain-bruiser: #fb7185;
  --badge-spell-tag: #fbbf24;

  /* Thumbnail Placeholder */
  --thumb-placeholder-bg: #1e293b;

  /* Tooltip (always-dark in BOTH themes for readability) */
  --tooltip-bg: #1e293b;
  --tooltip-border: rgba(255, 255, 255, 0.1);
  --tooltip-text: #f1f5f9;

  /* Layout */
  --max-width: 1320px;
  --header-height: 68px;

  /* Safe Area Insets for Mobile Notches & Bars */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

/* Light Theme - Soft Cool Slate Canvas (Anti-Glare, WCAG AAA) */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-hover: #e2e8f0;
  --border-subtle: #e2e8f0;
  --border-focus: #0284c7;
  --header-bg: rgba(255, 255, 255, 0.88);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --text-inverse: #ffffff;

  --brand-primary: #0284c7;
  --brand-secondary: #4f46e5;
  --win-green: #059669;
  --win-green-bg: rgba(5, 150, 105, 0.10);
  --ban-rose: #dc2626;
  --ban-rose-bg: rgba(220, 38, 38, 0.10);
  --pick-blue: #2563eb;
  --pick-blue-bg: rgba(37, 99, 235, 0.10);

  --tier-s-plus: #b45309;
  --tier-s-plus-bg: rgba(245, 158, 11, 0.14);
  --tier-s: #d97706;
  --tier-s-bg: rgba(217, 119, 6, 0.12);
  --tier-a: #7e22ce;
  --tier-a-bg: rgba(126, 34, 206, 0.12);
  --tier-b: #1d4ed8;
  --tier-b-bg: rgba(29, 78, 216, 0.12);
  --tier-c: #475569;
  --tier-c-bg: rgba(71, 85, 105, 0.12);
  --tier-d: #334155;
  --tier-d-bg: rgba(51, 65, 85, 0.12);

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 8px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.09), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

  --body-bg-gradient: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(2, 132, 199, 0.06), transparent),
                      radial-gradient(ellipse 60% 40% at 90% 10%, rgba(79, 70, 229, 0.03), transparent);

  --modal-banner-bg: linear-gradient(180deg, rgba(241, 245, 249, 0.7) 0%, rgba(255, 255, 255, 1) 100%),
                     radial-gradient(ellipse at top right, rgba(2, 132, 199, 0.10), transparent 70%);

  /* Overlay & Backdrop (light-safe) */
  --overlay-bg: rgba(15, 23, 42, 0.45);
  --drawer-overlay-bg: rgba(15, 23, 42, 0.4);
  --drawer-shadow: 0 -10px 30px rgba(0, 0, 0, 0.12);
  --tab-active-glow: 0 2px 8px rgba(2, 132, 199, 0.25);

  /* Light mode badge colors: darker for AA contrast on white */
  --badge-anti-dash: #dc2626;
  --badge-anti-sustain: #b45309;
  --badge-disrupt: #7e22ce;
  --badge-tank-buster: #c2410c;
  --badge-burst-color: #0284c7;
  --badge-cc-color: #059669;
  --badge-poke-color: #4338ca;
  --badge-hyper-carry: #b45309;
  --badge-wombo-combo: #7e22ce;
  --badge-dive-partner: #0284c7;
  --badge-engage-peel: #059669;
  --badge-zone-poke: #0369a1;
  --badge-sustain-bruiser: #be123c;
  --badge-spell-tag: #92400e;

  --thumb-placeholder-bg: #e2e8f0;

  /* Tooltip stays dark even in light mode — AA-compliant white text on slate */
  --tooltip-bg: #1e293b;
  --tooltip-border: rgba(255, 255, 255, 0.1);
  --tooltip-text: #f1f5f9;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  background-image: var(--body-bg-gradient);
  background-attachment: fixed;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Interactive elements mobile touch optimization */
button, a, input, select, textarea, [role="button"] {
  touch-action: manipulation;
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
  min-width: 0;
  box-sizing: border-box;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.logo-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.logo-tag {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--brand-primary);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Header Controls & Status */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.theme-toggle-btn:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--brand-primary);
  transform: scale(1.05);
}

.theme-icon {
  font-size: 1.05rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* In Dark Mode: Show Sun icon (to switch to light) */
[data-theme="dark"] .theme-toggle-btn .sun-icon,
:root:not([data-theme="light"]) .theme-toggle-btn .sun-icon {
  display: flex;
}

[data-theme="dark"] .theme-toggle-btn .moon-icon,
:root:not([data-theme="light"]) .theme-toggle-btn .moon-icon {
  display: none;
}

/* In Light Mode: Show Moon icon (to switch to dark) */
[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle-btn .moon-icon {
  display: flex;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  cursor: help;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--win-green);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.6);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Main Content Area */
main {
  flex: 1;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding-top: 24px;
  padding-bottom: 64px;
}

#mainContentArea {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 32px 0 24px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.site-footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--brand-primary);
}

/* Utility Classes */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}