:root {
  --bg-main: #0a0e17;
  --bg-card: rgba(18, 26, 42, 0.75);
  --bg-card-hover: rgba(26, 38, 62, 0.85);
  --bg-input: rgba(12, 19, 31, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 242, 254, 0.4);
  
  --tiktok-red: #fe2c55;
  --tiktok-cyan: #25f4ee;
  --primary-cyan: #00f2fe;
  --primary-blue: #4facfe;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --glow-cyan: 0 0 20px rgba(0, 242, 254, 0.35);
  --glow-red: 0 0 20px rgba(254, 44, 85, 0.35);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(254, 44, 85, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.04) 0%, transparent 60%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-cyan);
}

/* Layout */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: rgba(13, 20, 33, 0.95);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  z-index: 100;
  flex-shrink: 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px 24px 12px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--tiktok-red), var(--tiktok-cyan));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--glow-red);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #fff, var(--primary-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text span {
  font-size: 0.72rem;
  color: var(--tiktok-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-item i {
  font-size: 1.15rem;
  width: 22px;
  text-align: center;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(0, 242, 254, 0.15), rgba(79, 172, 254, 0.05));
  color: var(--primary-cyan);
  border-color: var(--border-active);
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.1);
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.plan-card {
  background: linear-gradient(135deg, rgba(254, 44, 85, 0.1), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(254, 44, 85, 0.3);
  border-radius: var(--radius-md);
  padding: 14px;
  position: relative;
  overflow: hidden;
}

.plan-card h4 {
  font-size: 0.88rem;
  color: #fff;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.plan-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
}

.top-header {
  height: 70px;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.live-pill-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(254, 44, 85, 0.15);
  border: 1px solid rgba(254, 44, 85, 0.4);
  padding: 4px 12px;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--tiktok-red);
}

.live-dot {
  width: 8px;
  height: 8px;
  background: var(--tiktok-red);
  border-radius: 50%;
  box-shadow: var(--glow-red);
  animation: pulseLive 1.5s infinite;
}

@keyframes pulseLive {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--tiktok-red), #ff0055);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 15px rgba(254, 44, 85, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(254, 44, 85, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-cyan {
  background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
  color: #04121e;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: var(--glow-cyan);
  transition: all 0.25s ease;
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.6);
}

.btn-emerald {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
  transition: all 0.25s ease;
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.55);
}

/* Page Body */
.content-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Banner Highlights */
.cloud-feature-banner {
  background: linear-gradient(90deg, rgba(0, 242, 254, 0.12), rgba(254, 44, 85, 0.12));
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.cloud-badges-list {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cloud-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cloud-badge-item i {
  color: var(--primary-cyan);
}

/* Stats Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-active);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-cyan);
}

.stat-card.red::after { background: var(--tiktok-red); }
.stat-card.emerald::after { background: var(--accent-emerald); }
.stat-card.purple::after { background: var(--accent-purple); }

.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: rgba(0, 242, 254, 0.12);
  color: var(--primary-cyan);
}

.stat-card.red .stat-icon { background: rgba(254, 44, 85, 0.12); color: var(--tiktok-red); }
.stat-card.emerald .stat-icon { background: rgba(16, 185, 129, 0.12); color: var(--accent-emerald); }
.stat-card.purple .stat-icon { background: rgba(139, 92, 246, 0.12); color: var(--accent-purple); }

.stat-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-info h3 {
  font-size: 1.55rem;
  font-weight: 700;
  margin-top: 2px;
}

/* Studio Section Grid */
.studio-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}

/* Card Container */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title i {
  color: var(--primary-cyan);
}

/* Video Monitor & Preview Player */
.video-monitor-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-monitor-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.video-monitor-wrapper video.mirrored {
  transform: scaleX(-1);
}

/* Dynamic Live Overlay Banner */
.dynamic-overlay-banner {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, rgba(254, 44, 85, 0.9), rgba(255, 0, 85, 0.95));
  color: #fff;
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
  animation: bounceBanner 3s infinite;
}

@keyframes bounceBanner {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, -4px); }
}

.monitor-telemetry-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary-cyan);
  display: flex;
  gap: 12px;
  z-index: 10;
}

/* Algorithm Auto-Reset Notice Bar */
.algo-reset-card {
  margin-top: 18px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.08), rgba(79, 172, 254, 0.04));
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.algo-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-cyan);
}

.algo-countdown {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.4);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-cyan), var(--tiktok-cyan));
  width: 65%;
  transition: width 0.5s ease;
  border-radius: 4px;
}

.algo-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Terminal Console View */
.terminal-window {
  background: #06090f;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 14px;
  height: 240px;
  overflow-y: auto;
  color: #a7f3d0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}

.log-entry {
  line-height: 1.4;
  word-break: break-all;
}

.log-entry.system { color: #38bdf8; }
.log-entry.alert { color: #f43f5e; font-weight: 600; }
.log-entry.success { color: #34d399; }
.log-entry.algo { color: #fbbf24; font-weight: 600; }

/* Stream Cards List */
.stream-list-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stream-card-item {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.stream-card-item:hover {
  background: rgba(20, 31, 56, 0.7);
  border-color: rgba(255, 255, 255, 0.15);
}

.stream-card-item.active-stream {
  border-color: rgba(254, 44, 85, 0.4);
  box-shadow: 0 0 15px rgba(254, 44, 85, 0.1);
}

.stream-main-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stream-avatar-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary-cyan);
  border: 1px solid var(--border-color);
}

.stream-meta h4 {
  font-size: 0.96rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.stream-meta p {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status-tag.live {
  background: rgba(254, 44, 85, 0.15);
  color: var(--tiktok-red);
  border: 1px solid rgba(254, 44, 85, 0.3);
}

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

.status-tag.idle {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.stream-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.btn-icon.play:hover { background: var(--accent-emerald); border-color: var(--accent-emerald); }
.btn-icon.stop:hover { background: var(--tiktok-red); border-color: var(--tiktok-red); }

/* Pricing 4-Column Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 10px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.trial {
  border-color: var(--accent-emerald);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(18, 26, 42, 0.85) 100%);
}

.pricing-card.featured {
  border-color: var(--tiktok-red);
  background: linear-gradient(180deg, rgba(254, 44, 85, 0.1) 0%, rgba(18, 26, 42, 0.9) 100%);
  box-shadow: var(--glow-red);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--tiktok-red), #ff0055);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.trial-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #10b981, #059669);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.pricing-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.pricing-header p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  min-height: 36px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 20px;
}

.pricing-price h2 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #fff;
}

.pricing-price span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  flex: 1;
}

.pricing-features li {
  font-size: 0.82rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li i {
  color: var(--accent-emerald);
  font-size: 0.9rem;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 0.88rem;
}

.comparison-table th, .comparison-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 600;
}

.comparison-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge-winner {
  background: rgba(0, 242, 254, 0.15);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.75rem;
}

/* Modal Connection Mode Switcher */
.mode-switcher-bar {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 4px;
  gap: 6px;
  margin-bottom: 18px;
}

.mode-btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.mode-btn.active {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(79, 172, 254, 0.1));
  color: var(--primary-cyan);
  border: 1px solid var(--border-active);
  box-shadow: 0 2px 10px rgba(0, 242, 254, 0.15);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-box {
  background: #0d1524;
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  padding: 28px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}
.close-btn:hover { color: #fff; }

.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-input, .form-select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-cyan);
}

.vietqr-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.qr-image-box {
  background: #fff;
  padding: 12px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.qr-image-box img {
  width: 220px;
  height: 220px;
  display: block;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: #111a2e;
  border: 1px solid var(--border-active);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
}

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

@media (max-width: 1300px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1100px) {
  .studio-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .cloud-feature-banner { flex-direction: column; align-items: flex-start; }
}