:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --surface-2: #243040;
  --border: #2e3d4f;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9cf0;
  --accent-dim: #2a6fad;
  --danger: #e05555;
  --ok: #3dbf7a;
  --warn: #e0a03d;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.row { display: flex; align-items: center; }
.gap { gap: 0.5rem; }
.end { justify-content: flex-end; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.brand { font-weight: 700; letter-spacing: 0.02em; }

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 1rem;
  padding: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.panel-head.sub { margin-top: 1.5rem; }
.panel-head.sub.vpn-section-head {
  margin-top: 1.25rem;
  padding-top: 0.25rem;
  border-top: 2px solid var(--accent);
}
.vpn-section {
  background: rgba(74, 158, 255, 0.08);
  border: 1px solid rgba(74, 158, 255, 0.35);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 0.5rem;
}
.vpn-account-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.vpn-account-form input {
  min-width: 160px;
  flex: 1 1 160px;
}
.panel-head h2, .panel-head h3 { margin: 0; font-size: 1.1rem; }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn:hover { filter: brightness(1.1); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent-dim);
  color: #fff;
  font-weight: 600;
}
.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}
.btn-sm { padding: 0.25rem 0.55rem; font-size: 0.8rem; }

.apps-list { display: flex; flex-direction: column; gap: 0.4rem; }
.app-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--surface-2);
  cursor: pointer;
  text-align: left;
  color: inherit;
  width: 100%;
  font: inherit;
}
.app-item-body { flex: 1; min-width: 0; }
.app-logo-thumb,
.app-logo-fallback {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
  object-fit: cover;
  background: var(--bg);
  border: 1px solid var(--border);
}
.app-logo-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
}
.detail-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.app-logo-preview,
.logo-preview {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.logo-preview {
  width: 72px;
  height: 72px;
  margin-top: 0.65rem;
}
.full-width { grid-column: 1 / -1; }
.codes-bulk-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin: 0.5rem 0 0.75rem;
  padding: 0.65rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.bulk-check-all {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  cursor: pointer;
}
.codes-pagination {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}
.col-check { width: 36px; text-align: center; }
.col-check input { width: auto; }
.app-item:hover, .app-item.active {
  border-color: var(--accent);
}
.app-item .name { font-weight: 600; }
.app-item .slug { font-size: 0.8rem; color: var(--muted); }
.app-item > .badge { margin-left: auto; flex-shrink: 0; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge.show { background: #3d2a14; color: var(--warn); }
.badge.bypass { background: #143d28; color: var(--ok); }

.info-grid {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}
.label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}
.url-box {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  font-size: 0.82rem;
  word-break: break-all;
  user-select: all;
}
.url-box.grow { flex: 1; }

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0;
  flex: 1;
}
.inline-form input {
  flex: 1;
  min-width: 120px;
}

.codes-toolbar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.codes-actions { flex-wrap: wrap; }
.wrap { flex-wrap: wrap; }
.csv-btn { cursor: pointer; display: inline-flex; align-items: center; }

input, select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  font: inherit;
}
input:focus, select:focus {
  outline: 2px solid var(--accent-dim);
  border-color: var(--accent);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
}
.codes-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.codes-table th,
.codes-table td {
  padding: 0.55rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.codes-table th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: var(--surface-2);
  white-space: nowrap;
}
.codes-table tr:last-child td { border-bottom: none; }
.code-cell {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 600;
  white-space: nowrap;
}
.note-cell { color: var(--muted); max-width: 180px; }
.actions-cell {
  white-space: nowrap;
  text-align: right;
}
.actions-cell .btn { margin-left: 0.25rem; }
.empty-cell { text-align: center; padding: 1.25rem !important; }

.badge.unused { background: #143d28; color: var(--ok); }
.badge.used { background: #3d1a1a; color: #f0a0a0; }
.badge.disabled {
  background: #3d2a14;
  color: var(--warn);
}
.badge.enabled {
  background: #143d28;
  color: var(--ok);
}
.vpn-account-row.disabled {
  background: rgba(255, 193, 7, 0.06);
}
.vpn-account-row.disabled td {
  opacity: 0.92;
}

.ui-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  padding: 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.ui-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.ui-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  font: inherit;
  resize: vertical;
}
.image-preview {
  display: block;
  width: 100%;
  max-width: 420px;
  height: 200px;
  margin-top: 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  object-fit: cover;
  background: var(--surface-2);
}

/* Login */
.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 20% 20%, #1a3048 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, #1a2838 0%, transparent 45%),
    var(--bg);
}
.login-card {
  width: min(380px, 92vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.login-card h1 { margin: 0; font-size: 1.35rem; }
.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.alert-error {
  background: #3d1a1a;
  color: #f0a0a0;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

dialog {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  padding: 0;
  max-width: 420px;
  width: 92vw;
}
dialog::backdrop { background: rgba(0,0,0,0.55); }
.dialog-form {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.dialog-form h3 { margin: 0; }
.dialog-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.topnav { display: flex; gap: 0.35rem; align-items: center; }

.dash-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.dash-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: flex-end;
}
.dash-filters label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}
.stat-label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 1.55rem; font-weight: 700; margin-top: 0.25rem; }
.stat-tip { font-size: 0.75rem; color: var(--muted); margin-top: 0.35rem; }

.dash-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}
@media (max-width: 900px) {
  .dash-grid { grid-template-columns: 1fr; }
}

.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  min-height: 160px;
  overflow-x: auto;
  padding-top: 0.5rem;
}
.bar-col {
  flex: 1;
  min-width: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.bar-stack {
  width: 100%;
  height: 130px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  justify-content: center;
}
.bar {
  width: 45%;
  min-height: 2px;
  border-radius: 3px 3px 0 0;
}
.bar-users { background: var(--accent); }
.bar-acts { background: var(--ok); }
.bar-label { font-size: 0.65rem; color: var(--muted); }

.rank-list { display: flex; flex-direction: column; gap: 0.65rem; }
.rank-row { display: flex; flex-direction: column; gap: 0.25rem; }
.rank-meta { display: flex; justify-content: space-between; gap: 0.5rem; font-size: 0.9rem; }
.rank-track {
  height: 8px;
  background: var(--bg);
  border-radius: 999px;
  overflow: hidden;
}
.rank-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #5eb0f5);
  border-radius: 999px;
}

.insight-list {
  margin: 0;
  padding-left: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  color: var(--text);
  font-size: 0.92rem;
}

.badge.event-activate_ok { background: #143d28; color: var(--ok); }
.badge.event-activate_fail { background: #3d1a1a; color: #f0a0a0; }
.badge.event-bypass { background: #3d2a14; color: var(--warn); }
.badge.event-status_open { background: #1a3048; color: var(--accent); }