/* =========================================================================
   StreamBrowserTab - Dashboard Styles (Go + JWT Authentication)
   ========================================================================= */

:root {
  --bg-main: #0b0f19;
  --bg-card: #131b2e;
  --bg-header: #0f172a;
  --bg-hover: #1e293b;
  --border-color: #202b42;
  --border-active: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
}

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

body.dark-theme {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* =========================================================================
   Navbar
   ========================================================================= */
.navbar {
  height: 60px;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

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

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
}

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

.status-dot.offline {
  background-color: var(--accent-red);
  box-shadow: 0 0 8px var(--accent-red);
}

.badge {
  color: var(--accent-blue);
  font-weight: 600;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* User Badge in Navbar */
.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #1e293b;
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
}

.user-name {
  color: #38bdf8;
  font-weight: 600;
}

.btn-logout {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-logout:hover {
  background: #ef4444;
  color: white;
}

.grid-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-card);
  padding: 3px 6px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.control-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-right: 4px;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-icon:hover, .btn-icon.active {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.btn-primary {
  background-color: var(--accent-blue);
  color: white;
  border: none;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
}

.btn-secondary {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: #334155;
}

.btn-block {
  width: 100%;
  justify-content: center;
  padding: 10px;
  font-size: 13px;
}

/* =========================================================================
   Main Container & Grid Layout (5 - 10 tabs)
   ========================================================================= */
.main-container {
  flex: 1;
  padding: 20px 24px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 80px;
  padding: 40px;
}

.empty-icon {
  margin-bottom: 16px;
  background: var(--bg-card);
  padding: 20px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
}

.empty-state h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 13px;
  max-width: 480px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.empty-state code {
  background: var(--bg-hover);
  padding: 2px 6px;
  border-radius: 4px;
  color: #38bdf8;
}

.tab-grid {
  display: grid;
  gap: 16px;
}

.tab-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tab-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tab-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1200px) {
  .tab-grid.cols-3, .tab-grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .tab-grid.cols-2, .tab-grid.cols-3, .tab-grid.cols-4 { grid-template-columns: 1fr; }
}

/* =========================================================================
   Tab Card Component
   ========================================================================= */
.tab-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.tab-card:hover {
  border-color: #334155;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.tab-card.streaming {
  border-color: rgba(59, 130, 246, 0.5);
}

.card-header {
  padding: 10px 14px;
  background: rgba(15, 23, 42, 0.7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.card-tab-info {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.tab-favicon {
  width: 16px;
  height: 16px;
  border-radius: 2px;
  flex-shrink: 0;
}

.tab-title-text {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.card-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
  font-weight: 600;
}

.card-badge.paused {
  background: rgba(148, 163, 184, 0.2);
  color: var(--text-muted);
}

.card-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #090d16;
  color: var(--text-muted);
  gap: 8px;
  font-size: 12px;
}

.card-footer {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
}

.card-url {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.card-actions {
  display: flex;
  gap: 6px;
}

.btn-card-remote {
  background: var(--accent-blue);
  color: white;
  border: none;
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-card-remote:hover {
  background: var(--accent-blue-hover);
}

.btn-card-toggle {
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
}

/* =========================================================================
   Focus Remote Modal (Màn hình điều khiển chi tiết)
   ========================================================================= */
.focus-modal {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(5, 8, 15, 0.96);
  z-index: 1000;
  flex-direction: column;
}

.focus-modal.active {
  display: flex;
}

.focus-header {
  height: 52px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

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

.focus-favicon {
  width: 20px;
  height: 20px;
  border-radius: 3px;
}

.focus-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.focus-url {
  font-size: 11px;
  color: var(--text-muted);
  font-family: monospace;
}

.focus-stats {
  display: flex;
  align-items: center;
  gap: 10px;
}

.coord-badge, .fps-badge {
  background: #1e293b;
  border: 1px solid #334155;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-family: monospace;
  color: #38bdf8;
}

.btn-close-focus {
  background: var(--accent-red);
  color: white;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.focus-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  overflow: hidden;
  background: #020617;
}

.focus-viewport-wrapper {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
  border: 1px solid #1e293b;
}

#focusVideo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.focus-overlay {
  position: absolute;
  inset: 0;
  cursor: crosshair;
  outline: none;
  z-index: 10;
}

.click-ripple {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid #38bdf8;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  opacity: 0;
  transition: transform 0.25s ease-out, opacity 0.25s ease-out;
}

.click-ripple.animate {
  transform: translate(-50%, -50%) scale(1.8);
  opacity: 1;
}

.focus-toolbar {
  height: 52px;
  background: var(--bg-header);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  gap: 16px;
}

.quick-text-box {
  display: flex;
  gap: 8px;
  flex: 1;
  max-width: 500px;
}

.quick-text-box input {
  flex: 1;
  background: #1e293b;
  border: 1px solid var(--border-color);
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  outline: none;
}

.quick-text-box input:focus {
  border-color: var(--accent-blue);
}

.quick-keys {
  display: flex;
  gap: 6px;
}

.key-btn {
  background: #1e293b;
  border: 1px solid #334155;
  color: #cbd5e1;
  padding: 5px 9px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.1s;
}

.key-btn:hover {
  background: #334155;
  color: white;
}

.key-btn:active {
  background: var(--accent-blue);
  color: white;
}

/* =========================================================================
   Login & Whitelist Modals
   ========================================================================= */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1001;
  align-items: center;
  justify-content: center;
}

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

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 480px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.login-dialog {
  width: 400px;
}

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

.login-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
}

.modal-body {
  padding: 18px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: #0b0f19;
  border: 1px solid var(--border-color);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus {
  border-color: var(--accent-blue);
}

.error-alert {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  margin-top: 10px;
}

.modal-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

#whitelistInput {
  width: 100%;
  background: #0b0f19;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: #38bdf8;
  font-family: monospace;
  padding: 10px;
  font-size: 12px;
  outline: none;
  resize: vertical;
}

.hint-text {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

.modal-footer {
  padding: 12px 18px;
  background: rgba(15, 23, 42, 0.5);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}