/* ═══════════════════════════════════════════════════
   PrismGate TV Player - Smart TV Optimized Styles
   ═══════════════════════════════════════════════════ */
:root {
  --bg-primary: #0d0b14;
  --bg-card: rgba(22, 18, 35, 0.95);
  --bg-sidebar: rgba(16, 13, 26, 0.98);
  --bg-hover: rgba(146, 84, 222, 0.15);
  --bg-active: rgba(146, 84, 222, 0.3);
  --accent: #9254de;
  --accent-light: #b37feb;
  --accent-glow: rgba(146, 84, 222, 0.4);
  --text-primary: #fff;
  --text-secondary: rgba(255,255,255,0.6);
  --text-muted: rgba(255,255,255,0.35);
  --border: rgba(255,255,255,0.08);
  --success: #52c41a;
  --danger: #ff4d4f;
  --warning: #faad14;
  --radius: 12px;
  --font: 'Cairo', sans-serif;
}

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

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

/* ─── SCREENS ─── */
.screen { display: none; width: 100%; height: 100%; }
.screen.active { display: flex; }

/* ─── LOGIN SCREEN ─── */
.login-bg {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0d0b14 0%, #1a1230 50%, #0d0b14 100%);
  position: relative; overflow: hidden;
}
.login-bg::before {
  content: '';
  position: absolute; width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -100px; right: -100px; border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}
.login-bg::after {
  content: '';
  position: absolute; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(82, 196, 26, 0.15) 0%, transparent 70%);
  bottom: -80px; left: -80px; border-radius: 50%;
  animation: pulse 10s ease-in-out infinite reverse;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  width: 440px; max-width: 90vw;
  backdrop-filter: blur(20px);
  z-index: 1;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-logo {
  text-align: center; margin-bottom: 32px;
}
.login-logo i {
  font-size: 48px; color: var(--accent);
  display: block; margin-bottom: 8px;
}
.login-logo h1 {
  font-size: 32px; font-weight: 900;
  color: var(--text-primary);
}
.login-logo h1 span { color: var(--accent); }
.login-logo p {
  font-size: 14px; color: var(--text-secondary);
  margin-top: 4px;
}

.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px; font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group label i { margin-left: 4px; }
.form-group input {
  width: 100%; padding: 14px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 16px;
  outline: none;
  transition: border 0.2s, box-shadow 0.2s;
}
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-login {
  width: 100%; padding: 16px;
  background: linear-gradient(135deg, var(--accent), #722ed1);
  border: none; border-radius: var(--radius);
  color: #fff; font-family: var(--font);
  font-size: 18px; font-weight: 700;
  cursor: pointer; margin-top: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-login:hover, .btn-login:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
  outline: 3px solid var(--accent-light);
}
.error-msg {
  color: var(--danger);
  font-size: 14px; text-align: center;
  margin-top: 12px; min-height: 20px;
}

/* ─── TOP BAR ─── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-left i { font-size: 22px; color: var(--accent); }
.brand { font-size: 18px; color: var(--text-secondary); }
.brand strong { color: var(--accent); }

.topbar-center {
  flex: 1; text-align: center;
}
.now-label {
  font-size: 14px; color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  padding: 4px 16px; border-radius: 20px;
}
.now-label.playing { color: var(--success); }

.topbar-right { display: flex; align-items: center; gap: 16px; }
#clock { font-size: 14px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }

.btn-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 16px; cursor: pointer;
  transition: all 0.2s;
}
.btn-icon:hover, .btn-icon:focus {
  background: var(--bg-hover);
  color: var(--accent);
  outline: 2px solid var(--accent);
}

/* ─── CONTENT AREA ─── */
.content-area {
  display: flex; flex: 1;
  height: calc(100% - 56px);
  overflow: hidden;
}
#main-screen {
  flex-direction: column;
}

/* ─── SIDEBAR ─── */
.sidebar {
  width: 240px; min-width: 240px;
  background: var(--bg-sidebar);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar-header {
  padding: 16px 20px;
  font-size: 14px; font-weight: 700;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
  flex-shrink: 0;
}
.sidebar-list {
  flex: 1; overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.cat-item {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  font-size: 15px; color: var(--text-secondary);
  cursor: pointer; border: none; background: none;
  width: 100%; text-align: right;
  font-family: var(--font);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: all 0.15s;
}
.cat-item i { font-size: 18px; color: var(--accent); opacity: 0.5; }
.cat-item:hover, .cat-item:focus {
  background: var(--bg-hover);
  color: var(--text-primary);
  outline: none;
}
.cat-item:focus {
  box-shadow: inset 3px 0 0 var(--accent);
}
.cat-item.active {
  background: var(--bg-active);
  color: var(--text-primary);
  box-shadow: inset 3px 0 0 var(--accent);
}
.cat-item.active i { opacity: 1; }

/* ─── CHANNEL LIST ─── */
.channel-panel {
  width: 340px; min-width: 340px;
  background: rgba(14, 11, 22, 0.95);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.channel-header {
  padding: 16px 20px;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#category-title { font-size: 16px; font-weight: 700; }
.channel-count {
  font-size: 12px; color: var(--text-muted);
  background: rgba(255,255,255,0.06);
  padding: 2px 10px; border-radius: 12px;
}
.channel-list {
  flex: 1; overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.ch-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  cursor: pointer; border: none; background: none;
  width: 100%; text-align: right;
  font-family: var(--font);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: all 0.15s;
  color: var(--text-secondary);
}
.ch-item:hover, .ch-item:focus {
  background: var(--bg-hover);
  color: var(--text-primary);
  outline: none;
}
.ch-item:focus {
  box-shadow: inset 3px 0 0 var(--accent);
}
.ch-item.active {
  background: var(--bg-active);
  color: var(--text-primary);
}
.ch-num {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  font-size: 12px; font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
}
.ch-item.active .ch-num {
  background: var(--accent);
  color: #fff;
}
.ch-logo {
  width: 36px; height: 36px;
  border-radius: 6px;
  object-fit: contain;
  background: rgba(255,255,255,0.04);
  flex-shrink: 0;
}
.ch-name {
  flex: 1;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── PLAYER PANEL ─── */
.player-panel {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  background: #000;
  position: relative;
}
.player-wrapper {
  width: 100%; height: 100%;
  position: relative;
}
#video-player {
  width: 100%; height: 100%;
  object-fit: contain;
  background: #000;
}
.player-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.7);
}
.player-info {
  text-align: center; color: var(--text-muted);
}
.player-info i { font-size: 64px; display: block; margin-bottom: 16px; }
.player-info p { font-size: 16px; }

.player-loading {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: rgba(0,0,0,0.8);
}
.player-loading p { color: var(--text-secondary); margin-top: 16px; font-size: 14px; }

.player-error {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: rgba(0,0,0,0.85);
  color: var(--danger);
}
.player-error i { font-size: 48px; margin-bottom: 12px; }
.player-error p { font-size: 16px; margin-bottom: 16px; }
.btn-retry {
  padding: 10px 24px;
  background: var(--accent);
  border: none; border-radius: 8px;
  color: #fff; font-family: var(--font);
  font-size: 14px; cursor: pointer;
}
.btn-retry:focus { outline: 3px solid var(--accent-light); }

/* ─── SPINNER ─── */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner.big { width: 56px; height: 56px; border-width: 4px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── FULLSCREEN PLAYER ─── */
.fullscreen-player {
  position: fixed; inset: 0; z-index: 1000;
  background: #000;
}
#fs-video-player {
  width: 100%; height: 100%;
  object-fit: contain;
}
.fs-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, transparent 20%, transparent 80%, rgba(0,0,0,0.4) 100%);
  opacity: 0; transition: opacity 0.3s;
  pointer-events: none;
}
.fs-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}
.fs-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
}
.fs-back {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: #fff; font-family: var(--font);
  font-size: 14px; padding: 8px 16px;
  cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.fs-back:focus { outline: 3px solid var(--accent); }
.fs-title { font-size: 18px; font-weight: 700; }
.fs-clock { font-size: 14px; color: var(--text-secondary); }

/* ─── LOADING OVERLAY ─── */
.loading-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(13, 11, 20, 0.95);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.loading-overlay p { color: var(--text-secondary); margin-top: 16px; font-size: 16px; }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .sidebar { width: 180px; min-width: 180px; }
  .channel-panel { width: 260px; min-width: 260px; }
  .cat-item { padding: 10px 14px; font-size: 13px; }
  .ch-item { padding: 10px 14px; }
}

@media (max-width: 600px) {
  .content-area { flex-direction: column; }
  .sidebar { width: 100%; min-width: auto; height: auto; max-height: 120px; border-left: none; border-bottom: 1px solid var(--border); }
  .sidebar-list { display: flex; overflow-x: auto; overflow-y: hidden; }
  .cat-item { white-space: nowrap; padding: 10px 16px; border-bottom: none; border-left: 1px solid rgba(255,255,255,0.03); }
  .cat-item:focus, .cat-item.active { box-shadow: inset 0 -3px 0 var(--accent); }
  .channel-panel { width: 100%; min-width: auto; height: 200px; border-left: none; border-bottom: 1px solid var(--border); }
  .login-card { padding: 32px 24px; }
}

/* ─── SELECTION SCREEN ─── */
.selection-bg {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0d0b14 0%, #1a1230 50%, #0d0b14 100%);
  position: relative; overflow: hidden;
}
.selection-bg::before {
  content: '';
  position: absolute; width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -100px; right: -100px; border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}
.selection-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  width: 800px; max-width: 95vw;
  backdrop-filter: blur(20px);
  z-index: 1;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  text-align: center;
}
.selection-header h1 {
  font-size: 28px; font-weight: 900; margin-bottom: 8px; color: var(--text-primary);
}
.selection-header p {
  font-size: 15px; color: var(--text-secondary); margin-bottom: 32px;
}
.selection-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.select-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font);
  transition: all 0.2s ease;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.select-card i {
  font-size: 48px; color: var(--accent);
  transition: transform 0.2s;
}
.select-card h2 {
  font-size: 18px; font-weight: 700;
}
.select-card:hover, .select-card:focus {
  background: var(--bg-hover);
  border-color: var(--accent);
  box-shadow: 0 8px 24px var(--accent-glow);
  transform: translateY(-4px);
  outline: none;
}
.select-card:hover i {
  transform: scale(1.1);
}
.btn-logout-selection {
  background: rgba(255, 77, 79, 0.15);
  border: 1px solid rgba(255, 77, 79, 0.3);
  color: #ff4d4f;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 15px; font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-logout-selection:hover, .btn-logout-selection:focus {
  background: rgba(255, 77, 79, 0.3);
  box-shadow: 0 4px 12px rgba(255, 77, 79, 0.2);
  outline: none;
}

.btn-back-series {
  background: none; border: none;
  color: var(--accent-light);
  font-family: var(--font);
  font-size: 16px; font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  padding: 4px 0;
}
.btn-back-series:hover, .btn-back-series:focus {
  color: var(--text-primary);
  outline: none;
}

@media (max-width: 768px) {
  .selection-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .select-card {
    padding: 20px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 20px;
    text-align: right;
  }
  .select-card i {
    font-size: 32px;
  }
}