/* Unified Modern Glassmorphism & Cyber-Dark Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #0a0f1d;
  --bg-secondary: #111827;
  --bg-surface: rgba(17, 24, 39, 0.75);
  --bg-card: rgba(30, 41, 59, 0.6);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.3);

  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #8b5cf6;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-main: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.15);
  --glass-backdrop: blur(16px) saturate(180%);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.5;
}

/* App Header */
.app-header {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Session Badge & Controls */
.session-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.badge {
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Main Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 320px 1fr 300px;
  gap: 16px;
  padding: 16px;
  flex: 1;
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
  align-items: start;
}

@media (max-width: 1280px) {
  .dashboard-grid {
    grid-template-columns: 300px 1fr;
  }
  .sidebar-right {
    grid-column: span 2;
  }
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Cards & Containers */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-main);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Form inputs & buttons */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: all 0.2s ease;
}

.form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--border-glow);
}

.btn {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-hover));
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-rose), #e11d48);
  color: #ffffff;
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-green), #059669);
  color: #ffffff;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
}

/* Video Stage Area - Proportional Height */
.video-container {
  position: relative;
  width: 100%;
  height: 540px;
  max-height: 68vh;
  background: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  box-shadow: inset 0 0 40px rgba(0,0,0,0.8);
}

.video-element {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.annotation-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  cursor: crosshair;
  z-index: 10;
}

.video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
  text-align: center;
  padding: 20px;
  background: rgba(0,0,0,0.7);
  z-index: 5;
  transition: opacity 0.3s ease;
}

.video-placeholder.hidden {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.placeholder-icon {
  font-size: 48px;
  opacity: 0.6;
}

/* Video Controls Toolbar */
.video-toolbar {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-surface);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: 40px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 20;
  box-shadow: 0 10px 25px rgba(0,0,0,0.6);
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tool-divider {
  width: 1px;
  height: 24px;
  background: var(--border-color);
}

.color-picker-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s ease;
}

.color-picker-dot.active {
  border-color: #ffffff;
  transform: scale(1.15);
}

/* Chat & Session Log Drawer */
.chat-messages {
  flex: 1;
  min-height: 220px;
  max-height: 340px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 6px;
}

.chat-bubble {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.chat-bubble-tech {
  align-self: flex-end;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
}

.chat-bubble-client {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.chat-bubble-system {
  align-self: center;
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  font-size: 11px;
  border-radius: 20px;
}

.chat-time {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
  text-align: right;
}

.chat-input-bar {
  display: flex;
  gap: 8px;
}

/* Snapshots Gallery */
.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
  max-height: 160px;
  overflow-y: auto;
}

.snapshot-thumb {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.snapshot-thumb:hover {
  transform: scale(1.05);
  border-color: var(--accent-blue);
}

/* Mobile Client Layout */
.mobile-view {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  background: #000000;
  position: relative;
  overflow: hidden;
}

.mobile-camera-stage {
  flex: 1;
  position: relative;
  width: 100%;
  height: 100%;
}

.mobile-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobile-overlay-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

.mobile-top-bar {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 30;
}

.mobile-pill {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 8px 16px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Ultra-Premium Glassmorphism Floating Mobile Control Bar */
.mobile-bottom-bar {
  position: fixed;
  bottom: max(28px, calc(16px + env(safe-area-inset-bottom)));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 1000 !important;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  padding: 10px 18px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(59, 130, 246, 0.15);
  width: auto;
  max-width: 92vw;
}

/* Modern Mobile Action Buttons */
.mobile-btn {
  border: none;
  outline: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-tap-highlight-color: transparent;
}

.mobile-btn:active {
  transform: scale(0.92);
}

.mobile-btn-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.mobile-btn-icon:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.3);
}

.mobile-btn-hangup {
  height: 46px;
  padding: 0 22px;
  border-radius: 30px;
  background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
  color: #ffffff;
  font-weight: 600;
  font-size: 14px;
  gap: 8px;
  box-shadow: 0 6px 18px rgba(244, 63, 94, 0.4);
}

.mobile-btn-hangup:hover {
  box-shadow: 0 8px 24px rgba(244, 63, 94, 0.6);
}

.mobile-unread-badge {
  display: none;
  position: absolute;
  top: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  background: var(--accent-rose);
  border-radius: 50%;
  border: 2px solid #0f172a;
}

/* Mobile Chat Drawer */
.mobile-chat-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(17, 24, 39, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--border-glow);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 18px;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.9);
}

.mobile-chat-drawer.active {
  transform: translateY(0);
}

.chat-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 12px;
}

/* Modal dialogs */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 90%;
  max-width: 480px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qr-code-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: #ffffff;
  border-radius: var(--radius-md);
  margin: 10px 0;
}

.qr-code-container img {
  width: 200px;
  height: 200px;
}