/* ── WAF++ Admin App — standalone styles ───────────────────────────────────
   Reuses the WAF++ design-system tokens but is independent of the public
   marketing-site stylesheet.
──────────────────────────────────────────────────────────────────────────── */

:root {
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --max-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --transition: all 0.2s ease;

  /* Light palette */
  --bg: #ffffff;
  --bg-elevated: #f8fafc;
  --bg-soft: #f1f5f9;
  --surface: #ffffff;
  --surface-hover: #f8fafc;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --accent-light: #e0f2fe;
  --accent-gradient: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);

  --success: #10b981;
  --success-bg: #d1fae5;
  --warning: #f59e0b;
  --warning-bg: #fef3c7;
  --danger: #ef4444;
  --danger-bg: #fee2e2;

  --header-bg: rgba(255, 255, 255, 0.85);
  --header-backdrop: blur(12px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1120;
    --bg-elevated: #111827;
    --bg-soft: #1e293b;
    --surface: #151e2e;
    --surface-hover: #1e293b;
    --text: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    --border: #334155;
    --border-strong: #475569;

    --accent: #38bdf8;
    --accent-dark: #0ea5e9;
    --accent-light: #0c4a6e;
    --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);

    --success: #34d399;
    --success-bg: #064e3b;
    --warning: #fbbf24;
    --warning-bg: #78350f;
    --danger: #f87171;
    --danger-bg: #7f1d1d;

    --header-bg: rgba(11, 17, 32, 0.85);
  }
}

:root[data-theme="dark"] {
  --bg: #0b1120;
  --bg-elevated: #111827;
  --bg-soft: #1e293b;
  --surface: #151e2e;
  --surface-hover: #1e293b;
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  --border: #334155;
  --border-strong: #475569;

  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --accent-light: #0c4a6e;
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);

  --success: #34d399;
  --success-bg: #064e3b;
  --warning: #fbbf24;
  --warning-bg: #78350f;
  --danger: #f87171;
  --danger-bg: #7f1d1d;

  --header-bg: rgba(11, 17, 32, 0.85);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
}

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

/* ── Header ──────────────────────────────────────────────────────────────── */
.admin-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: var(--header-backdrop);
  -webkit-backdrop-filter: var(--header-backdrop);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.admin-header-left,
.admin-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.admin-logo {
  height: 32px;
  width: auto;
  display: block;
}

.admin-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  white-space: nowrap;
}

.current-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-width: 0;
}

.current-user span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 240px;
}

.role-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  background: var(--warning-bg);
  color: var(--warning);
  flex-shrink: 0;
}

.role-missing {
  background: var(--danger-bg);
  color: var(--danger);
}

/* ── Tabs ────────────────────────────────────────────────────────────────── */
.admin-tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 1.5rem 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  overflow-x: auto;
}

.admin-tab {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.admin-tab:hover {
  color: var(--text);
  background: var(--bg-soft);
}

.admin-tab.active {
  color: var(--accent-dark);
  background: var(--accent-light);
}

/* ── Status message ──────────────────────────────────────────────────────── */
.status-message {
  margin: 1rem 1.5rem 0;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
}

.status-message[hidden] {
  display: none;
}

.status-message.info {
  background: var(--accent-light);
  color: var(--accent-dark);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

.status-message.error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
}

.status-message.success {
  background: var(--success-bg);
  color: color-mix(in srgb, var(--success) 70%, #000);
  border: 1px solid color-mix(in srgb, var(--success) 30%, transparent);
}

/* ── Main / panels ───────────────────────────────────────────────────────── */
.admin-main {
  flex: 1;
}

.admin-panel {
  padding: 1.5rem;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
}

.admin-panel.hidden {
  display: none;
}

.panel-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0 0 1rem;
}

.panel-description {
  color: var(--text-muted);
  margin: -0.5rem 0 1rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.panel-actions {
  display: flex;
  gap: 0.75rem;
  margin: 1.25rem 0;
  flex-wrap: wrap;
}

/* ── Stat cards ──────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.stat-card.loading {
  opacity: 0.7;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.stat-total {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* ── Cards / split panels ────────────────────────────────────────────────── */
.admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.admin-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.split-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .split-panels {
    grid-template-columns: 1fr;
  }
}

/* ── Tables ──────────────────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--bg-soft);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table .mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.data-table .actions {
  display: flex;
  gap: 0.5rem;
}

.data-table .empty-cell {
  color: var(--text-muted);
  text-align: center;
  padding: 1.5rem;
}

.table-wrap {
  overflow-x: auto;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}

.btn:hover {
  background: var(--bg-soft);
}

.btn-primary {
  background: var(--accent-gradient);
  border-color: transparent;
  color: var(--text-inverse);
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-danger {
  background: var(--danger-bg);
  border-color: color-mix(in srgb, var(--danger) 30%, transparent);
  color: var(--danger);
}

.btn-danger:hover {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
}

.btn-small {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
}

/* ── Forms / modals ────────────────────────────────────────────────────── */
.form-field {
  margin-bottom: 1rem;
}

.admin-app label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.admin-app input,
.admin-app textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.admin-app textarea {
  font-family: var(--font-mono);
  resize: vertical;
  min-height: 120px;
}

.admin-app input::placeholder,
.admin-app textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.admin-app input:focus,
.admin-app textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.modal-content {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  width: min(520px, calc(100% - 2rem));
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-content h3 {
  margin: 0 0 1.25rem;
  font-size: 1.25rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.created-key {
  display: block;
  word-break: break-all;
  background: var(--bg-soft);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin: 0.75rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.admin-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.footer-link:hover {
  color: var(--accent-dark);
}

/* ── Login / loading overlay ─────────────────────────────────────────────── */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 420px;
  width: calc(100% - 2rem);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.login-card h2 {
  margin: 0 0 0.5rem;
}

.login-card p {
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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