/* ===========================================
   ENEDEMER STYLES - Bright Theme v2.0
   Elegant, Fast, User-Friendly
   =========================================== */

/* ===== 1. CSS VARIABLES (THEME) ===== */
:root {
  /* Primary Colors (Ethiopian-inspired) */
  --primary: #2D9B73;
  --primary-light: #3DB885;
  --primary-dark: #1B7A56;
  --primary-subtle: #E8F6F1;

  /* Accent (Ethiopian gold) */
  --accent: #E6A317;
  --accent-light: #F5C14D;
  --accent-subtle: #FEF7E6;

  /* Semantic Colors */
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;

  /* Backgrounds (Bright) */
  --bg: #FAFBFC;
  --bg-secondary: #F3F4F6;
  --surface: #FFFFFF;
  --surface-elevated: #FFFFFF;

  /* Text */
  --text: #1F2937;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-inverse: #FFFFFF;

  /* Borders */
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --border-focus: #2D9B73;

  /* Video */
  --video-bg: #1F2937;
  --video-overlay: rgba(0, 0, 0, 0.6);
  --pip-border: #FFFFFF;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ===== 2. RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 3. TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  color: var(--text);
  font-weight: 600;
  line-height: 1.25;
}

p {
  line-height: 1.5;
}

/* ===== 4. LAYOUT & CONTAINERS ===== */
.screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: var(--bg);
}

.screen.active {
  display: flex;
}

/* ===== 5. SCREENS ===== */

/* ----- Landing Screen ----- */
#screen-landing {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
}

.landing-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 360px;
  width: 100%;
}

.logo {
  text-align: center;
  margin-bottom: var(--space-md);
}

.logo-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), 0 4px 12px rgba(45, 155, 115, 0.3);
}

.logo-icon svg {
  width: 36px;
  height: 36px;
  color: var(--text-inverse);
}

.logo-text {
  display: block;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}

.logo-subtext {
  display: block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 6px;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.tagline {
  color: var(--text-secondary);
  font-size: 18px;
  font-style: italic;
  margin-bottom: var(--space-xl);
}

/* Features */
.features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  width: 100%;
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.feature:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.feature-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

/* Online Counter */
.online-count {
  position: absolute;
  bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  font-size: 14px;
  color: var(--text-secondary);
}

.online-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

.online-count span {
  font-weight: 600;
  color: var(--text);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* ----- Waiting & Stopped Screens ----- */
.waiting-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.waiting-content p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: var(--space-md);
}

.loader {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.loader span {
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: var(--radius-full);
  animation: bounce 1.4s infinite ease-in-out both;
}

.loader span:nth-child(1) { animation-delay: -0.32s; }
.loader span:nth-child(2) { animation-delay: -0.16s; }
.loader span:nth-child(3) { animation-delay: 0s; }

@keyframes bounce {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.self-preview {
  width: 160px;
  height: 213px;
  margin: var(--space-lg) auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--video-bg);
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--surface);
}

.self-preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

/* ----- Chat Screen ----- */
#screen-chat {
  padding: 0;
  background: var(--video-bg);
}

.video-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 88px;
  background: var(--video-bg);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
}

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

.video-container.dimmed {
  opacity: 0.3;
}

.pip {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 100px;
  height: 140px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 3px solid var(--pip-border);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-slow);
  z-index: 10;
}

.pip:hover {
  transform: scale(1.05);
}

.pip video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.connection-status {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--success);
  animation: pulse 2s infinite;
}

.controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  padding: var(--space-md) var(--space-lg);
  box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.05);
}

#btn-report {
  position: absolute;
  right: var(--space-md);
  bottom: 50%;
  transform: translateY(50%);
}

/* ----- Reconnecting Screen ----- */
#screen-reconnecting {
  padding: 0;
  background: var(--video-bg);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--video-overlay);
  z-index: 20;
}

.reconnect-box {
  background: var(--surface);
  padding: var(--space-2xl) var(--space-xl);
  border-radius: var(--radius-xl);
  text-align: center;
  max-width: 320px;
  width: calc(100% - var(--space-xl));
  box-shadow: var(--shadow-xl);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-lg);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.reconnect-box p {
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
  margin: var(--space-xs) 0;
}

.countdown {
  color: var(--text-muted);
  font-size: 14px;
  margin: var(--space-md) 0;
}

.countdown span {
  font-weight: 600;
  color: var(--primary);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--space-lg) 0;
}

.progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-full);
  transition: width 1s linear;
}

/* ----- Disconnected & Error Screens ----- */
#screen-disconnected,
#screen-error {
  background: var(--bg);
}

.modal {
  background: var(--surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  text-align: center;
  max-width: 360px;
  width: calc(100% - var(--space-xl));
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
}

.modal-icon {
  width: 72px;
  height: 72px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 32px;
}

.modal-icon.warning {
  background: #FEF3C7;
  color: var(--warning);
}

.modal-icon.wave {
  background: var(--primary-subtle);
  color: var(--primary);
}

.modal .emoji {
  font-size: 48px;
  margin-bottom: var(--space-md);
  display: block;
}

.modal h2 {
  color: var(--text);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.modal p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: var(--space-lg);
}

.modal .btn {
  width: 100%;
  margin-top: var(--space-md);
}

.modal .btn:first-of-type {
  margin-top: 0;
}

/* ===== 6. COMPONENTS ===== */

/* ----- 6.1 Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 48px;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md), 0 2px 4px rgba(45, 155, 115, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  box-shadow: var(--shadow-lg), 0 4px 8px rgba(45, 155, 115, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-primary:disabled {
  background: var(--border);
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-secondary:active {
  background: var(--bg);
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 18px;
  border-radius: var(--radius-xl);
  min-width: 280px;
  max-width: 320px;
}

.btn-control {
  width: 56px;
  height: 56px;
  min-height: 56px;
  border-radius: var(--radius-full);
  padding: 0;
  background: var(--surface);
  border: 2px solid var(--border);
  box-shadow: var(--shadow-md);
  color: var(--primary);
}

.btn-control:hover {
  background: var(--bg-secondary);
  border-color: var(--primary);
}

.btn-control.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
}

.btn-control.muted {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--text-inverse);
}

.btn-control.btn-stop {
  background: var(--surface);
  border-color: var(--danger);
  color: var(--danger);
}

.btn-control.btn-stop:hover {
  background: var(--danger);
  color: var(--text-inverse);
}

.btn-control svg {
  width: 24px;
  height: 24px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  min-height: auto;
  transition: color var(--transition-fast);
}

.btn-link:hover {
  color: var(--text-secondary);
}

/* ----- 6.2 Checkbox ----- */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  text-align: left;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
}

.checkbox-label input {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

/* ----- 6.3 Link ----- */
.link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.link:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

/* ===== 7. UTILITIES ===== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ===== 8. MEDIA QUERIES ===== */
@media (min-width: 480px) {
  .self-preview {
    width: 180px;
    height: 240px;
  }

  .pip {
    width: 140px;
    height: 190px;
  }
}

@media (min-width: 768px) {
  .video-container {
    bottom: 80px;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  }

  .controls {
    height: 80px;
  }

  .pip {
    width: 180px;
    height: 240px;
    bottom: var(--space-xl);
    right: var(--space-xl);
  }

  .self-preview {
    width: 200px;
    height: 267px;
  }

  .btn-large {
    min-width: 320px;
  }
}