/**
 * CYBERPUNK CORE AESTHETICS & THEME VARIABLES
 * Futuristic Anime HUD, Neon Glows, Chamfered Angles, Typography & Animations
 */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,400;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;600;700&family=Noto+Sans+Bengali:wght@400;600;700&family=Noto+Sans+JP:wght@400;600;700&family=Noto+Sans+SC:wght@400;600;700&family=Orbitron:wght@500;700;900&family=Rajdhani:wght@500;600;700&display=swap');

:root {
  /* Default: Neo Tokyo (Cyber Neon) */
  --primary: #00f3ff;
  --primary-glow: rgba(0, 243, 255, 0.45);
  --primary-subtle: rgba(0, 243, 255, 0.12);
  --secondary: #ff007f;
  --secondary-glow: rgba(255, 0, 127, 0.45);
  --accent: #ffe600;
  --accent-glow: rgba(255, 230, 0, 0.4);
  
  --bg-dark: #070a13;
  --bg-panel: rgba(14, 20, 36, 0.85);
  --bg-card: rgba(18, 26, 48, 0.7);
  --bg-input: rgba(8, 12, 22, 0.9);

  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-bright: #ffffff;
  --border-hud: rgba(0, 243, 255, 0.25);
  --border-bright: #00f3ff;
  
  --font-display: 'Orbitron', 'Chakra Petch', sans-serif;
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --clip-chamfer: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  --clip-chamfer-small: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

/* THEME 2: Matrix Netrunner */
[data-theme="matrix-netrunner"] {
  --primary: #00ff66;
  --primary-glow: rgba(0, 255, 102, 0.5);
  --primary-subtle: rgba(0, 255, 102, 0.1);
  --secondary: #00cc44;
  --secondary-glow: rgba(0, 204, 68, 0.4);
  --accent: #aaff00;
  --bg-dark: #030704;
  --bg-panel: rgba(6, 18, 10, 0.88);
  --bg-card: rgba(8, 24, 14, 0.75);
  --bg-input: rgba(4, 12, 6, 0.95);
  --text-main: #d4f7dc;
  --text-muted: #62a373;
  --text-bright: #ffffff;
  --border-hud: rgba(0, 255, 102, 0.25);
  --border-bright: #00ff66;
}

/* THEME 3: Arasaka Corpo */
[data-theme="arasaka-corpo"] {
  --primary: #ff003c;
  --primary-glow: rgba(255, 0, 60, 0.5);
  --primary-subtle: rgba(255, 0, 60, 0.12);
  --secondary: #ff8800;
  --secondary-glow: rgba(255, 136, 0, 0.4);
  --accent: #ffd700;
  --bg-dark: #0a0708;
  --bg-panel: rgba(22, 14, 16, 0.88);
  --bg-card: rgba(30, 18, 20, 0.75);
  --bg-input: rgba(14, 8, 10, 0.95);
  --text-main: #f3e8e8;
  --text-muted: #a38587;
  --text-bright: #ffffff;
  --border-hud: rgba(255, 0, 60, 0.3);
  --border-bright: #ff003c;
}

/* THEME 4: Ghost in the Shell */
[data-theme="ghost-shell"] {
  --primary: #00b4d8;
  --primary-glow: rgba(0, 180, 216, 0.5);
  --primary-subtle: rgba(0, 180, 216, 0.12);
  --secondary: #7209b7;
  --secondary-glow: rgba(114, 9, 183, 0.4);
  --accent: #90e0ef;
  --bg-dark: #040814;
  --bg-panel: rgba(10, 20, 42, 0.88);
  --bg-card: rgba(14, 28, 58, 0.75);
  --bg-input: rgba(6, 12, 26, 0.95);
  --text-main: #e0f2fe;
  --text-muted: #7ca3c5;
  --text-bright: #ffffff;
  --border-hud: rgba(0, 180, 216, 0.3);
  --border-bright: #00b4d8;
}

/* THEME 5: Synthwave Sunset */
[data-theme="synthwave-sunset"] {
  --primary: #ff5e00;
  --primary-glow: rgba(255, 94, 0, 0.5);
  --primary-subtle: rgba(255, 94, 0, 0.12);
  --secondary: #b5179e;
  --secondary-glow: rgba(181, 23, 158, 0.45);
  --accent: #7209b7;
  --bg-dark: #0e0514;
  --bg-panel: rgba(28, 12, 42, 0.88);
  --bg-card: rgba(38, 16, 56, 0.75);
  --bg-input: rgba(16, 6, 24, 0.95);
  --text-main: #fde2f7;
  --text-muted: #b37aa7;
  --text-bright: #ffffff;
  --border-hud: rgba(255, 94, 0, 0.3);
  --border-bright: #ff5e00;
}

/* THEME 6: Ahom Dynasty (Assam Cyber Warrior // আহোম সাম্রাজ্য) */
[data-theme="ahom-warrior"] {
  --primary: #ff1744;             /* Imperial Ahom Scarlet / Crimson */
  --primary-glow: rgba(255, 23, 68, 0.6);
  --primary-subtle: rgba(255, 23, 68, 0.15);
  --secondary: #ffb700;           /* Muga Silk Royal Gold */
  --secondary-glow: rgba(255, 183, 0, 0.6);
  --accent: #00f0aa;              /* Brahmaputra Neon Jade */
  --accent-glow: rgba(0, 240, 170, 0.5);
  --bg-dark: #090406;             /* Obsidian Basalt Fortress */
  --bg-panel: rgba(24, 10, 15, 0.92);
  --bg-card: rgba(32, 14, 21, 0.82);
  --bg-input: rgba(15, 6, 10, 0.95);
  --text-main: #fde8e8;
  --text-muted: #c79ca2;
  --text-bright: #ffffff;
  --border-hud: rgba(255, 183, 0, 0.38);
  --border-bright: #ffb700;
}

/* Ahom Cultural Custom Accents when Ahom Theme is active */
[data-theme="ahom-warrior"] .brand-title {
  color: #ffb700;
  text-shadow: 0 0 12px rgba(255, 183, 0, 0.7);
}

[data-theme="ahom-warrior"] .brand-title .brand-accent {
  color: #ff1744;
  text-shadow: 0 0 12px rgba(255, 23, 68, 0.7);
}

[data-theme="ahom-warrior"] #cyber-header {
  border-bottom: 2px solid rgba(255, 183, 0, 0.4);
  box-shadow: 0 4px 25px rgba(255, 23, 68, 0.15);
}

[data-theme="ahom-warrior"] .doc-header-card {
  border-left: 4px solid #ff1744;
  background: linear-gradient(135deg, rgba(32, 14, 21, 0.85) 0%, rgba(20, 8, 13, 0.9) 100%);
  box-shadow: 0 8px 32px rgba(255, 23, 68, 0.12), inset 0 0 20px rgba(255, 183, 0, 0.05);
}

[data-theme="ahom-warrior"] .cyber-btn.primary,
[data-theme="ahom-warrior"] .deck-btn.primary-btn {
  background: linear-gradient(135deg, #ff1744 0%, #b30026 100%);
  border-color: #ffb700;
  color: #ffffff;
  box-shadow: 0 0 14px rgba(255, 23, 68, 0.5);
}

[data-theme="ahom-warrior"] .cyber-btn.primary:hover {
  background: linear-gradient(135deg, #ff3b61 0%, #ff1744 100%);
  box-shadow: 0 0 20px rgba(255, 183, 0, 0.65);
}

/* BASE RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ================= PERMANENT DEFAULT NEO-TOKYO NIGHT WALLPAPER ================= */
#cyber-wallpaper-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: block;
  background: 
    radial-gradient(ellipse at 85% 15%, rgba(255, 0, 127, 0.45) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 85%, rgba(0, 243, 255, 0.4) 0%, transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(121, 40, 202, 0.25) 0%, transparent 60%),
    linear-gradient(180deg, #050814 0%, #0d1224 45%, #180a2b 100%);
}

#cyber-wallpaper-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 243, 255, 0.15), transparent 70%);
  pointer-events: none;
}

#cyber-grid-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

/* CRT SCANLINES OVERLAY */
#cyber-scanlines-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 3px, 6px 100%;
  opacity: 0.7;
}

/* CYBERPUNK BUTTONS */
.cyber-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-subtle);
  border: 1px solid var(--primary);
  clip-path: var(--clip-chamfer-small);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.cyber-btn:hover {
  background: var(--primary);
  color: #000;
  box-shadow: 0 0 15px var(--primary-glow);
  transform: translateY(-1px);
}

.cyber-btn.secondary {
  color: var(--secondary);
  background: rgba(255, 0, 127, 0.1);
  border-color: var(--secondary);
}

.cyber-btn.secondary:hover {
  background: var(--secondary);
  color: #000;
  box-shadow: 0 0 15px var(--secondary-glow);
}

.cyber-btn.icon-btn {
  padding: 7px 10px;
}

/* HUD GLITCH ANIMATION */
.glitch-hover:hover {
  animation: cyber-glitch 0.3s steps(2) infinite;
}

@keyframes cyber-glitch {
  0% { transform: translate(0) }
  20% { transform: translate(-2px, 2px); filter: hue-rotate(90deg); }
  40% { transform: translate(-1px, -1px); }
  60% { transform: translate(2px, 1px); filter: hue-rotate(-90deg); }
  80% { transform: translate(1px, -2px); }
  100% { transform: translate(0) }
}

/* TOAST NOTIFICATION */
#cyber-toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cyber-toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  background: var(--bg-panel);
  border: 1px solid var(--primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), 0 0 15px var(--primary-glow);
  clip-path: var(--clip-chamfer-small);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--text-bright);
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.cyber-toast.visible {
  transform: translateX(0);
}

.cyber-toast .toast-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: pulse-glow 1.5s infinite;
}

.cyber-toast.toast-danger {
  border-color: #ff003c;
  box-shadow: 0 0 15px rgba(255, 0, 60, 0.5);
}
.cyber-toast.toast-danger .toast-led {
  background: #ff003c;
  box-shadow: 0 0 8px #ff003c;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* CUSTOM SCROLLBARS */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}
::-webkit-scrollbar-thumb {
  background: var(--border-hud);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

/* ================= CYBER DIAGNOSTICS HUD BAR ================= */
#hud-diagnostics-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--border-hud);
  padding: 4px 10px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

#hud-diagnostics-bar .diag-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

#hud-diagnostics-bar .diag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00ff66;
  box-shadow: 0 0 6px #00ff66;
}

#cyber-fps-counter {
  color: #00ff66;
  font-weight: bold;
}

#cyber-clock-local {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 1px;
}

#cyber-clock-utc {
  color: var(--text-muted);
}

/* SCI-FI CORNER BRACKETS [ + ] */
.cyber-corner-box {
  position: relative;
}

.cyber-corner-box::before,
.cyber-corner-box::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
  z-index: 2;
}

.cyber-corner-box::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--primary);
  border-left: 2px solid var(--primary);
}

.cyber-corner-box::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--secondary);
  border-right: 2px solid var(--secondary);
}

/* SCRAMBLE DECRYPT GLITCH */
.scramble-decrypt {
  font-family: var(--font-display);
  letter-spacing: 1px;
}