:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --text: #e8eef7;
  --muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border: #2d3a4f;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.logo span { color: var(--primary); }

.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-secondary { background: var(--surface2); color: var(--text); }
.btn-secondary:hover { background: #2f4058; text-decoration: none; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.card h2, .card h3 { margin-top: 0; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem; }

.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 1.5rem;
}

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

.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  padding: 0.35rem 0;
  color: var(--muted);
}
.feature-list li::before {
  content: "✓ ";
  color: var(--success);
}

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; color: var(--muted); font-size: 0.9rem; }
.form-group input, .form-group select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.form-group input:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

.flash {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}
.flash-success { background: rgba(34, 197, 94, 0.15); border-color: var(--success); }
.flash-error { background: rgba(239, 68, 68, 0.15); border-color: var(--danger); }
.flash-info { background: rgba(59, 130, 246, 0.15); border-color: var(--primary); }

.billing-banner {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.billing-banner-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}
.billing-banner-warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: #f59e0b;
}
.billing-banner-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
}
.badge-active { background: rgba(34, 197, 94, 0.2); color: #86efac; }
.badge-payment_pending { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.badge-suspended { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-free { background: #334155; color: #cbd5e1; }
.badge-premium { background: rgba(59, 130, 246, 0.25); color: #93c5fd; }

.code-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  font-family: Consolas, monospace;
  font-size: 0.9rem;
  word-break: break-all;
  margin: 0.5rem 0;
}

.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.table th { color: var(--muted); font-size: 0.85rem; }

.plan-price { font-size: 2rem; font-weight: 700; }
.plan-price small { font-size: 0.9rem; color: var(--muted); font-weight: 400; }

.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li {
  counter-increment: step;
  padding: 0.75rem 0 0.75rem 2.5rem;
  position: relative;
  border-bottom: 1px solid var(--border);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 1.75rem;
  font-size: 0.85rem;
  font-weight: 700;
}

.footer {
  margin-top: 3rem;
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--warning);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 1.75rem; }
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

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

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-card .label {
  color: var(--muted);
  font-size: 0.85rem;
}

.page-header {
  margin-bottom: 1.25rem;
}

.page-header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.75rem;
}

.page-subtitle {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

.filter-bar {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin: 1rem 0 1.25rem;
}

.filter-bar label {
  color: var(--muted);
  font-size: 0.9rem;
}

.filter-bar input[type="date"] {
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.badge-info {
  display: inline-block;
  background: rgba(59, 130, 246, 0.18);
  color: #93c5fd;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1rem;
}

.pagination-bar {
  margin: 1rem 0 0.75rem;
}

.pagination-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.pagination-info {
  font-size: 0.9rem;
  color: var(--muted);
}

.pagination-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.pagination-pages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.65rem;
}

.pagination-page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.45rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
}

.pagination-page.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

.pagination-page:hover:not(.is-active) {
  border-color: var(--primary);
}

.screenshot-thumb {
  display: block;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.screenshot-thumb:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  text-decoration: none;
}

.screenshot-thumb img {
  width: 100%;
  height: 128px;
  object-fit: cover;
  display: block;
  background: #000;
}

.screenshot-thumb span {
  display: block;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
}

.screenshot-thumb span:first-of-type {
  font-weight: 600;
  color: var(--text);
  padding-top: 0.55rem;
}

.screenshot-thumb .thumb-meta {
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-top: 0;
}

.screenshot-viewer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.screenshot-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem 1.5rem;
  margin-bottom: 1rem;
}

.screenshot-meta-grid p {
  margin: 0;
  font-size: 0.9rem;
}

.screenshot-meta-grid strong {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
  display: block;
  margin-bottom: 0.15rem;
}

.screenshot-full {
  max-width: 100%;
  margin-top: 0.5rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.timeline-list { list-style: none; padding: 0; margin: 0; }
.timeline-list li { padding: 0.65rem 0; border-bottom: 1px solid var(--border); }
.timeline-full .timeline-item { display: flex; gap: 1rem; padding: 1rem 0; }
.timeline-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--surface2);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  height: fit-content;
  color: var(--primary);
}
.timeline-time { color: var(--muted); font-size: 0.85rem; }
.admin-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.copy-field {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  flex-wrap: wrap;
}

.copy-field .code-box,
.copy-field code {
  flex: 1;
  min-width: 0;
}

.copy-field.compact code {
  font-size: 0.8rem;
  word-break: break-all;
}

.credential-block { margin: 1rem 0; }
.credential-label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.hidden-credentials { display: none; }

.badge-pending { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.badge-active { background: rgba(34, 197, 94, 0.2); color: #86efac; }
.badge-expired { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }
.badge-revoked { background: #334155; color: #94a3b8; }

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.device-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}

.device-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  text-decoration: none;
}

.device-card-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.device-card h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }

.ems-toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--primary);
  color: white;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 9999;
}

.ems-toast.show { opacity: 1; }