/* 
 * LiveStream Server - Design System
 * Dark theme with vibrant accents
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
  /* Primary Colors - Deep Purple/Blue */
  --primary-50: #f0f4ff;
  --primary-100: #e0e7ff;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  
  /* Accent Gradient */
  --accent-start: #8b5cf6;
  --accent-end: #ec4899;
  --accent-gradient: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  
  /* Live Indicator */
  --live-red: #ef4444;
  --live-glow: rgba(239, 68, 68, 0.5);
  
  /* Dark Theme Backgrounds */
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-input: #0f3460;
  --bg-hover: #1e3a5f;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Status Colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px var(--live-glow);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary-500);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--primary-400);
}

img {
  max-width: 100%;
  height: auto;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-4);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

/* ========================================
   Layout
   ======================================== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding: var(--space-8) 0;
}

/* ========================================
   Header / Navbar
   ======================================== */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  font-size: 2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(239, 68, 68, 0.3);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
}

.btn-icon {
  padding: var(--space-2);
  min-width: 40px;
}

/* ========================================
   Forms
   ======================================== */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-input);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--space-2);
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ========================================
   LIVE Badge
   ======================================== */
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  border-radius: 4px;
  animation: pulse 2s infinite;
}

.live-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  animation: blink 1s infinite;
}

.offline-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--bg-input);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  border-radius: 4px;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

@keyframes blink {
  0%, 50%, 100% { opacity: 1; }
  25%, 75% { opacity: 0.5; }
}

/* ========================================
   Video Player
   ======================================== */
.video-container {
  position: relative;
  width: 100%;
  max-width: 1280px;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.video-overlay {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 10;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-muted);
}

.video-placeholder-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
}

/* ========================================
   Stream Key Input
   ======================================== */
.stream-key-container {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}

.stream-key-value {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.stream-key-value.masked {
  -webkit-text-security: disc;
}

/* ========================================
   Auth Pages (Login/Register)
   ======================================== */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: 
    radial-gradient(ellipse at top, rgba(99, 102, 241, 0.1), transparent 50%),
    radial-gradient(ellipse at bottom, rgba(139, 92, 246, 0.1), transparent 50%),
    var(--bg-primary);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-logo .logo-icon {
  font-size: 3rem;
  margin-bottom: var(--space-2);
}

.auth-logo h1 {
  font-size: 1.75rem;
  margin-bottom: var(--space-1);
}

.auth-logo p {
  color: var(--text-muted);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--primary-500);
  font-weight: 500;
}

/* ========================================
   Dashboard
   ======================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--glass-bg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.status-icon {
  font-size: 2.5rem;
}

.status-info h3 {
  margin-bottom: var(--space-1);
}

.status-info p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ========================================
   Stream Info (Watch Page)
   ======================================== */
.stream-info {
  margin-top: var(--space-6);
}

.stream-info-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.streamer-name {
  font-size: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.streamer-name::before {
  content: '@';
  color: var(--text-muted);
}

.viewer-count {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.viewer-count .icon {
  font-size: 1.25rem;
}

/* ========================================
   Toast Notifications
   ======================================== */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: slideIn 0.3s ease;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.warning { border-left: 3px solid var(--warning); }

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ========================================
   Loading Spinner
   ======================================== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--glass-border);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 35, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-content {
  text-align: center;
}

.loading-content .spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-4);
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.text-center { text-align: center; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .video-container {
    border-radius: 0;
  }
  
  .auth-card {
    padding: var(--space-6);
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .nav-links {
    gap: var(--space-2);
  }
  
  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
  }
}