:root {
  --bg-dark: #0A1628;
  --surface: #122240;
  --surface-elevated: #1A3055;
  --cyan: #00D4FF;
  --cyan-dim: #0099BB;
  --text-primary: #FFFFFF;
  --text-secondary: #B0C4DE;
  --text-muted: #6B8299;
  --success: #00E676;
  --error: #FF5252;
  --warning: #FFB74D;
  --border: #2A4A6B;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 1rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.nav-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}

.logo-text {
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--cyan);
}

/* Main */
main {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 1rem;
}

.hero-logo {
  width: 160px;
  height: 160px;
  border-radius: 24px;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: var(--cyan-dim);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--cyan);
  border: 2px solid var(--cyan);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.1);
}

.btn-danger {
  background: var(--error);
  color: white;
}

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

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.card h3 {
  color: var(--cyan);
  margin-bottom: 0.5rem;
}

.support-page {
  max-width: 32rem;
  margin: 0 auto;
}

.support-page .page-header {
  text-align: center;
}

.support-email-card {
  text-align: center;
  margin-top: 2rem;
  padding: 2rem 1.5rem;
}

.support-email-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--cyan);
  word-break: break-all;
}

.support-email-link:hover {
  text-decoration: underline;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Get / sideload page */
.get-page {
  max-width: 1100px;
  margin: 0 auto;
}

.get-page .get-steps {
  gap: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 3rem;
}

.get-page .get-download {
  margin-top: 0;
  margin-bottom: 2.5rem;
  padding: 2rem 2.25rem;
}

.get-page .get-download h2 {
  margin-bottom: 0.75rem;
}

.get-page .get-download .hero-actions {
  gap: 1rem;
}

.get-page .legal-notice {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.get-page > p:last-child {
  margin-top: 1.5rem;
}

/* Forms */
.form-container {
  max-width: 420px;
  margin: 2rem auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--cyan);
}

.form-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

/* Page headers */
.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-secondary);
}

/* Device list */
.device-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.device-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.device-info h4 {
  margin-bottom: 0.25rem;
}

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

.device-actions {
  display: flex;
  gap: 0.75rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-active { background: rgba(0, 230, 118, 0.15); color: var(--success); }
.badge-inactive { background: rgba(255, 82, 82, 0.15); color: var(--error); }

/* Pairing */
.pairing-box {
  text-align: center;
  max-width: 480px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.pairing-code-display {
  font-size: 3rem;
  font-family: monospace;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin: 1.5rem 0;
}

/* Download center */
.legal-notice {
  background: rgba(255, 183, 77, 0.1);
  border: 1px solid var(--warning);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 2rem;
  color: var(--warning);
  font-size: 0.9375rem;
}

.download-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Dashboard sidebar layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
}

.sidebar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  height: fit-content;
  position: sticky;
  top: 5rem;
}

.sidebar a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  margin-bottom: 0.25rem;
  transition: all 0.2s;
}

.sidebar a:hover, .sidebar a.active {
  background: var(--surface-elevated);
  color: var(--cyan);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.stat-card .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--cyan);
}

.stat-card .label {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer p { margin-bottom: 0.5rem; }

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links a:hover { color: var(--cyan); }

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background: var(--surface-elevated);
  border: 1px solid var(--cyan);
  border-radius: 8px;
  z-index: 1000;
  transition: opacity 0.3s;
}

.toast.hidden { opacity: 0; pointer-events: none; }
.toast.error { border-color: var(--error); }

/* Loading */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

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

.hidden { display: none !important; }

/* QR /link mobile funnel */
.link-funnel {
  max-width: 440px;
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.link-funnel-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.link-funnel-header h1 {
  font-size: 1.75rem;
  margin: 0.75rem 0 0.5rem;
}

.link-funnel-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.link-step-badge {
  display: inline-block;
  background: var(--surface-elevated);
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.link-funnel-actions {
  margin-top: 1.5rem;
}

.paywall-card {
  background: linear-gradient(145deg, var(--surface-elevated), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: left;
}

.paywall-badge {
  display: inline-block;
  background: rgba(0, 212, 255, 0.15);
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.paywall-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.paywall-sub {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.paywall-price {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--cyan);
  margin: 1rem 0;
}

.paywall-features {
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding-left: 1.15rem;
  line-height: 1.7;
}

.link-success {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.35);
  text-align: center;
}

.link-success h2 {
  color: var(--success);
  margin: 0.75rem 0 0.5rem;
  font-size: 1.35rem;
}

.link-success p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.link-success-note {
  margin-top: 0.75rem;
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
}

.loading-center {
  display: flex;
  justify-content: center;
  padding: 4rem;
}

/* Smart IPTV Stream product sections */
.landing-iptv {
  margin-top: 0.5rem;
}

.landing-iptv-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.5rem 0;
}

.landing-steps-grid {
  margin-top: 0;
}

.product-showcase {
  margin: 1rem 0 2.5rem;
  padding: 1.75rem;
  background: linear-gradient(145deg, var(--surface), var(--surface-elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.product-showcase-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.product-showcase-copy h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0.75rem 0;
  color: var(--text-primary);
}

.product-showcase-copy p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.product-showcase-price {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--cyan);
  margin: 1rem 0 1.25rem !important;
}

.product-showcase-img,
.app-page-img {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: block;
  margin: 0 auto;
}

.product-showcase-visual,
.app-page-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-page { max-width: 1100px; margin: 0 auto; }

.app-page-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2rem;
}

.app-page-sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin: 0.75rem 0 1rem;
  line-height: 1.7;
}

.app-price-block {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
}

.app-price-note {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.app-license-note {
  color: var(--warning);
  font-size: 0.875rem;
  margin-top: 0.75rem;
}

.app-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.app-card h3 { margin-bottom: 0.75rem; }

.app-card-warn {
  border-color: rgba(255, 183, 77, 0.35);
}

.app-list {
  color: var(--text-secondary);
  padding-left: 1.15rem;
  line-height: 1.75;
  font-size: 0.9375rem;
}

.app-steps h2 {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.app-page .app-steps {
  margin-top: 1rem;
  margin-bottom: 3rem;
}

.app-page .app-steps .card-grid {
  gap: 2rem;
  margin-top: 0;
  margin-bottom: 0;
}

.app-page .legal-notice {
  margin-top: 0;
  margin-bottom: 2.5rem;
}

.app-page .app-sideload-cta {
  margin-top: 0 !important;
  margin-bottom: 2.5rem;
  padding: 2rem 2.25rem;
}

.app-page .app-sideload-cta h3 {
  margin-bottom: 0.75rem;
}

.app-page .app-sideload-cta p {
  margin-bottom: 1.25rem;
}

html[dir="rtl"] .app-list {
  padding-left: 0;
  padding-right: 1.15rem;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.device-hint p { margin: 0; color: var(--text-secondary); font-size: 0.9375rem; }

/* RTL */
html[dir="rtl"] .paywall-features,
html[dir="rtl"] .legal-content ul {
  padding-left: 0;
  padding-right: 1.15rem;
}

html[dir="rtl"] .device-item {
  flex-direction: row-reverse;
}

html[dir="rtl"] .device-actions {
  flex-direction: row-reverse;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .nav-brand { font-size: 1rem; }
  .nav-logo { width: 36px; height: 36px; }

  .nav-toggle { display: flex; margin-left: auto; }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding: 0.5rem 0 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    padding: 0.75rem 0.5rem;
    font-size: 1rem;
  }

  main {
    padding: 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  .hero { padding: 2rem 0.5rem; }
  .hero-logo { width: 120px; height: 120px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .card-grid { grid-template-columns: 1fr; gap: 1rem; }

  .get-page .get-steps {
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .get-page .get-download {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }

  .app-page .app-steps {
    margin-bottom: 2rem;
  }

  .app-page .app-steps .card-grid {
    gap: 1.5rem;
  }

  .app-page-grid {
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .app-page .legal-notice {
    margin-bottom: 2rem;
  }

  .app-page .app-sideload-cta {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }

  .form-container { margin: 1rem auto; padding: 0 0.25rem; }

  .dashboard-layout { grid-template-columns: 1fr; gap: 1rem; }

  .sidebar {
    position: static;
    display: flex;
    overflow-x: auto;
    gap: 0.35rem;
    padding: 0.75rem;
    -webkit-overflow-scrolling: touch;
  }

  .sidebar a {
    white-space: nowrap;
    padding: 0.6rem 0.85rem;
    font-size: 0.875rem;
    margin-bottom: 0;
  }

  .page-header h1 { font-size: 1.5rem; }

  .device-item {
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
  }

  .device-actions {
    flex-direction: column;
    width: 100%;
  }

  .device-actions .btn { width: 100%; }

  .download-item {
    flex-direction: column;
    align-items: stretch;
  }

  .download-item .btn { width: 100%; }

  .pairing-box { padding: 1.25rem; margin: 1rem auto; }
  .pairing-code-display { font-size: 2rem; }
  .paywall-price { font-size: 1.85rem; }

  .link-funnel { padding: 0.5rem 0 1.5rem; }
  .link-funnel-header h1 { font-size: 1.45rem; }

  .stats-grid { grid-template-columns: 1fr; }

  .toast {
    left: 1rem;
    right: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom));
  }

  .footer { padding: 1.5rem 1rem; }
  .footer-links { flex-direction: column; gap: 0.75rem; }

  .product-showcase-inner,
  .app-page-hero,
  .app-page-grid {
    grid-template-columns: 1fr;
  }

  .product-showcase { padding: 1.25rem; }
  .product-showcase-copy { text-align: center; }
  .product-showcase-copy .btn { width: 100%; }
  .app-page-copy { text-align: center; }
  .app-page-copy .hero-actions { flex-direction: column; align-items: stretch; }
  .app-page-copy .hero-actions .btn { width: 100%; }

  .landing-iptv-cta { flex-direction: column; align-items: stretch; }
  .landing-iptv-cta .btn { width: 100%; }
}

@media (max-width: 380px) {
  .logo-text { display: none; }
  .pairing-code-display { font-size: 1.65rem; letter-spacing: 0.12em; }
}

/* Legal pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

.legal-content h2 {
  color: var(--cyan);
  margin: 2rem 0 1rem;
  font-size: 1.25rem;
}

.legal-content p, .legal-content li {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.legal-content ul {
  padding-left: 1.5rem;
}