/* Main Design Tokens & Metro 2033 Theme Variables */
:root {
  /* Color Palette */
  --bg-dark: #0b0d10;
  --panel-bg: rgba(18, 22, 28, 0.92);
  --panel-border: #2a3340;
  --panel-inner-shadow: inset 0 0 15px rgba(0, 0, 0, 0.8);
  
  /* Accent Colors (Default: Amber) */
  --accent-color: #ff9d00;
  --accent-rgb: 255, 157, 0;
  --accent-glow: rgba(255, 157, 0, 0.4);
  --accent-subtle: rgba(255, 157, 0, 0.12);

  --text-main: #d0d7de;
  --text-muted: #8b949e;
  --text-bright: #ffffff;
  
  /* Status Colors */
  --status-green: #00ff66;
  --status-red: #ff3333;
  --status-cyan: #00e5ff;

  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-retro: 'VT323', monospace;

  /* Spacing & Borders */
  --border-radius: 4px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Theme Variations */
body[data-theme="green"] {
  --accent-color: #00ff66;
  --accent-rgb: 0, 255, 102;
  --accent-glow: rgba(0, 255, 102, 0.4);
  --accent-subtle: rgba(0, 255, 102, 0.12);
}

body[data-theme="cyan"] {
  --accent-color: #00e5ff;
  --accent-rgb: 0, 229, 255;
  --accent-glow: rgba(0, 229, 255, 0.4);
  --accent-subtle: rgba(0, 229, 255, 0.12);
}

body[data-theme="red"] {
  --accent-color: #ff3344;
  --accent-rgb: 255, 51, 68;
  --accent-glow: rgba(255, 51, 68, 0.4);
  --accent-subtle: rgba(255, 51, 68, 0.12);
}

/* Reset & Base Styling */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(20, 25, 33, 0.8) 0%, rgba(5, 7, 10, 0.98) 100%),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.2) 2px, rgba(0, 0, 0, 0.2) 4px);
  color: var(--text-main);
  font-family: var(--font-display);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  position: relative;
}

/* Audio Banner Notice */
.audio-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 157, 0, 0.15);
  border-bottom: 1px solid var(--accent-color);
  color: var(--accent-color);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 999;
  backdrop-filter: blur(8px);
}

.banner-btns {
  display: flex;
  gap: 8px;
}

.metro-btn.danger {
  background: rgba(255, 50, 50, 0.25);
  border-color: var(--status-red);
  color: #ff6666;
}

.metro-btn.danger:hover {
  background: var(--status-red);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(255, 50, 50, 0.5);
}

/* Expandable Radio Frequency Badge & Tuner */
.frequency-tuner-container {
  display: inline-flex;
  align-items: center;
  position: relative;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--accent-color);
  border-radius: 3px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.frequency-tuner-container.expanded {
  box-shadow: 0 0 12px var(--accent-glow);
}

.frequency-badge {
  color: var(--accent-color);
  font-size: 0.85rem;
  padding: 3px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
  transition: var(--transition-fast);
}

.frequency-badge:hover {
  background: var(--accent-subtle);
  color: var(--text-bright);
}

.tuner-drawer {
  display: none;
  align-items: center;
  gap: 8px;
  padding-right: 8px;
  animation: fadeIn 0.2s ease;
}

.frequency-tuner-container.expanded .tuner-drawer {
  display: flex;
}

.tuner-play-btn {
  background: transparent;
  border: none;
  color: var(--accent-color);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 2px 4px;
  transition: var(--transition-fast);
}

.tuner-play-btn:hover {
  color: #fff;
  transform: scale(1.15);
}

.tuner-slider {
  width: 90px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  accent-color: var(--accent-color);
  cursor: pointer;
}

.station-name-tag {
  font-size: 0.7rem;
  color: var(--text-bright);
  letter-spacing: 1px;
}
.terminal-wrapper {
  width: 100%;
  max-width: 1280px;
  min-height: 90vh;
  margin: 2rem 1rem;
  background: var(--panel-bg);
  border: 2px solid var(--panel-border);
  box-shadow: 
    0 0 30px rgba(0, 0, 0, 0.9),
    0 0 15px var(--accent-subtle),
    inset 0 0 2px rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* PDA Top System Bar */
.pda-header {
  background: rgba(10, 13, 17, 0.95);
  border-bottom: 2px solid var(--panel-border);
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
}

.pda-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--text-bright);
}

.radio-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
}

.radio-indicator.active {
  background: var(--status-green);
  box-shadow: 0 0 8px var(--status-green);
}

.frequency-badge {
  color: var(--accent-color);
  font-size: 0.85rem;
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 8px;
  border: 1px solid var(--accent-color);
  border-radius: 2px;
}

.pda-system-status {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.pda-system-status .clock {
  color: var(--accent-color);
  font-weight: 700;
}

/* PDA Main Grid Body */
.pda-device {
  display: grid;
  grid-template-columns: 320px 1fr;
  flex: 1;
  min-height: 650px;
}

/* Sidebar Operator Card */
.operator-sidebar {
  background: rgba(14, 18, 23, 0.95);
  border-right: 2px solid var(--panel-border);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.photo-frame {
  position: relative;
  border: 2px solid var(--panel-border);
  padding: 4px;
  background: #000;
}

.photo-glitch {
  position: relative;
  overflow: hidden;
  height: 240px;
}

.photo-glitch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%) sepia(20%) contrast(110%);
  transition: transform 0.3s ease;
}

.photo-glitch:hover img {
  filter: grayscale(0%) sepia(0%) contrast(100%);
  transform: scale(1.03);
}

.operator-badge {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.85);
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 6px;
}

.operator-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.operator-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 1px;
}

.operator-role {
  font-family: var(--font-mono);
  color: var(--accent-color);
  font-size: 0.9rem;
}

.status-pills {
  display: flex;
  gap: 0.5rem;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 2px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--panel-border);
}

.pill.online {
  color: var(--status-green);
  border-color: var(--status-green);
}

.pill.location {
  color: var(--text-muted);
}

.bio-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--panel-border);
  padding: 0.75rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.stat-card {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--panel-border);
  padding: 0.5rem;
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-color);
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.social-links {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.social-btn {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  text-decoration: none;
}

/* Central Terminal Viewport */
.main-terminal {
  display: flex;
  flex-direction: column;
  background: rgba(18, 22, 28, 0.7);
}

/* Nav Tabs with Horizontal Scroll for Mobile */
.terminal-nav {
  display: flex;
  background: rgba(10, 13, 17, 0.95);
  border-bottom: 2px solid var(--panel-border);
  overflow-x: auto;
  flex-wrap: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  touch-action: pan-x;
}

.terminal-nav::-webkit-scrollbar {
  height: 4px;
}

.terminal-nav::-webkit-scrollbar-thumb {
  background: var(--panel-border);
  border-radius: 2px;
}

.nav-tab {
  flex: 1;
  flex-shrink: 0;
  white-space: nowrap;
  min-width: 140px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--panel-border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.9rem 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-tab:hover {
  color: var(--text-bright);
  background: rgba(255, 255, 255, 0.03);
}

.nav-tab.active {
  color: var(--accent-color);
  background: rgba(var(--accent-rgb), 0.1);
  box-shadow: inset 0 -3px 0 var(--accent-color);
}

/* Terminal Viewport Content Area */
.terminal-viewport {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}

.tab-pane.active {
  display: flex;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 0.75rem;
}

.section-header h2 {
  font-size: 1.25rem;
  color: var(--text-bright);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-color);
  border: 1px solid var(--accent-color);
  padding: 2px 6px;
}

/* Metro Buttons */
.metro-btn {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.6rem 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  border-radius: var(--border-radius);
}

.metro-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-glow);
}

.metro-btn.primary {
  background: var(--accent-color);
  color: #000;
  font-weight: 700;
  border-color: var(--accent-color);
}

.metro-btn.primary:hover {
  background: var(--text-bright);
  color: #000;
  box-shadow: 0 0 15px var(--accent-glow);
}

.metro-btn.mini {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
}

.metro-btn.block {
  width: 100%;
}

/* Metro Input Controls */
.metro-input {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--panel-border);
  color: var(--accent-color);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.6rem 0.8rem;
  border-radius: var(--border-radius);
  outline: none;
  transition: var(--transition-fast);
  width: 100%;
}

.metro-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-glow);
}

.metro-input.rows-3 {
  resize: vertical;
  min-height: 80px;
}

/* Skills & Console Area */
.tech-stack-container h3 {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.skill-item {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--panel-border);
  padding: 0.75rem;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.skill-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-color);
}

/* Terminal Console Box */
.console-box {
  background: rgba(5, 8, 12, 0.95);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius);
  margin-top: 1rem;
}

.console-header {
  background: rgba(15, 20, 26, 0.9);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--panel-border);
}

.live-dot {
  width: 8px;
  height: 8px;
  background: var(--status-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--status-green);
}

.console-body {
  padding: 0.75rem;
  font-family: var(--font-retro);
  font-size: 1.1rem;
  max-height: 160px;
  overflow-y: auto;
}

.log-line {
  margin-bottom: 0.3rem;
  line-height: 1.2;
}

.log-time { color: var(--text-muted); }
.log-sys { color: var(--status-cyan); }
.log-info { color: var(--accent-color); }
.log-warn { color: var(--status-green); }

/* Settings List */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.setting-item {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--panel-border);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
}

.setting-info {
  flex: 1;
  min-width: 0;
}

.setting-info h4 {
  font-size: 1rem;
  color: var(--text-bright);
  margin-bottom: 0.3rem;
}

.setting-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Switch Control */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  min-width: 48px;
  height: 24px;
  flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--panel-border);
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-subtle);
  border-color: var(--accent-color);
}

input:checked + .slider:before {
  transform: translateX(22px);
  background-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-color);
}

/* Color Picker Buttons */
.color-picker-group {
  display: flex;
  gap: 0.5rem;
}

.color-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}

.color-btn.amber { background: #ff9d00; }
.color-btn.green { background: #00ff66; }
.color-btn.cyan { background: #00e5ff; }
.color-btn.red { background: #ff3344; }

.color-btn.active {
  border-color: #fff;
  box-shadow: 0 0 10px currentColor;
}

/* Modal Overlay */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-backdrop.show { display: flex; }

.metro-modal {
  background: var(--panel-bg);
  border: 2px solid var(--accent-color);
  box-shadow: 0 0 25px var(--accent-glow);
  width: 90%;
  max-width: 500px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.modal-header {
  background: rgba(10, 13, 17, 0.95);
  padding: 1rem;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.1rem;
  color: var(--accent-color);
  font-family: var(--font-mono);
}

.close-modal-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
}

.modal-footer {
  padding: 1rem;
  background: rgba(10, 13, 17, 0.95);
  border-top: 1px solid var(--panel-border);
  display: flex;
  justify-content: flex-end;
}

/* Footer */
.pda-footer {
  background: rgba(10, 13, 17, 0.95);
  border-top: 2px solid var(--panel-border);
  padding: 0.5rem 1.25rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Responsive Styles for Mobile Smartphones (360px - 768px) & Telegram Mini App */
@media (max-width: 768px) {
  html, body {
    width: 100%;
    overflow-x: hidden;
  }

  .terminal-wrapper {
    margin: 0;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    border: none;
    border-radius: 0;
    box-shadow: none;
  }

  /* Compact Mobile PDA Header */
  .pda-header {
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    width: 100%;
    box-sizing: border-box;
  }

  .pda-brand {
    font-size: 0.8rem;
    gap: 6px;
    flex-wrap: wrap;
    width: 100%;
  }

  .station-code {
    font-size: 0.75rem;
  }

  .pda-system-status {
    gap: 8px;
    font-size: 0.75rem;
  }

  /* Compact Mobile Operator Sidebar Header */
  .pda-device {
    grid-template-columns: 1fr !important;
  }

  .operator-sidebar {
    border-right: none;
    border-bottom: 2px solid var(--panel-border);
    padding: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: rgba(10, 14, 20, 0.95);
  }

  .photo-frame {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    padding: 4px;
  }

  .photo-glitch {
    width: 100% !important;
    height: 180px !important;
    flex-shrink: 0;
    border-radius: 2px;
  }

  .operator-badge {
    display: none;
  }

  .operator-info {
    gap: 0.25rem;
  }

  .operator-name {
    font-size: 1.1rem;
  }

  .operator-role {
    font-size: 0.8rem;
  }

  .bio-box {
    padding: 0.5rem;
    font-size: 0.8rem;
  }

  .stats-grid {
    grid-template-columns: 1fr !important;
    gap: 0.4rem;
    width: 100%;
  }

  .stat-card {
    width: 100%;
    box-sizing: border-box;
  }

  .social-links {
    flex-direction: column !important;
    width: 100%;
  }

  .social-btn {
    width: 100%;
    box-sizing: border-box;
  }

  .skills-grid {
    grid-template-columns: 1fr !important;
    gap: 0.5rem;
  }

  .stat-value {
    font-size: 1.1rem;
  }

  /* Main Terminal Viewport */
  .terminal-viewport {
    padding: 0.75rem 0.5rem;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .section-header h2 {
    font-size: 0.95rem;
  }

  /* Projects Toolbar & Filter Chips */
  .projects-toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .filter-chips {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .projects-grid {
    grid-template-columns: 1fr !important;
  }

  /* Settings Mobile List */
  .setting-item {
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .setting-info h4 {
    font-size: 0.9rem;
  }

  .setting-info p {
    font-size: 0.75rem;
  }

  /* Audio Banner Mobile */
  .audio-banner {
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
    flex-direction: row;
  }

  .banner-btns {
    gap: 4px;
  }

  .metro-btn.mini {
    padding: 3px 6px;
    font-size: 0.7rem;
  }
}