/**
 * Shared theme + top navigation — use with js/shared/appTheme.js + appGlobalNav.js
 * Set html[data-theme="light"|"dark"] via appTheme.js (persists appThemePreference in localStorage).
 */
:root,
html[data-theme="light"] {
  color-scheme: light;
  --app-bg: #f4f7fb;
  --app-surface: #ffffff;
  --app-surface-2: #f9fbfd;
  --app-surface-3: #f0f3f8;
  --app-text: #1e2b3c;
  --app-muted: #5e6f8d;
  --app-border: #e2e9f2;
  --app-border-strong: #dbe1ec;
  --app-nav-bg: #f0f3f8;
  --app-accent: #1e2b3c;
  --app-accent-green: #2d6a4f;
  --app-danger: #c62828;
  --app-danger-bg: #fee9e7;
  --app-shadow: rgba(0, 0, 0, 0.08);
  --app-on-accent: #ffffff;
  --app-input-bg: var(--app-surface);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --app-bg: #0f1419;
  --app-surface: #1a222d;
  --app-surface-2: #232d3a;
  --app-surface-3: #2a3544;
  --app-text: #e8eef5;
  --app-muted: #8b9cb0;
  --app-border: #2e3a4a;
  --app-border-strong: #3d4d61;
  --app-nav-bg: #1a222d;
  --app-accent: #e8eef5;
  --app-accent-green: #5cde9e;
  --app-danger: #f07178;
  --app-danger-bg: #3d2228;
  --app-shadow: rgba(0, 0, 0, 0.45);
  --app-on-accent: #0f1419;
  --app-input-bg: var(--app-surface-2);
}

/* ——— Site-wide top navigation (links at inline-start, tools at inline-end — same on all pages) ——— */
.app-top-nav {
  width: 100%;
  max-width: 100%;
  background: var(--app-nav-bg);
  border-radius: 16px;
  padding: 12px 16px;
  border: 1px solid var(--app-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  box-sizing: border-box;
}

/* Grid-era spacer; flex layout aligns links + tools without it */
.app-nav-leading {
  display: none;
  min-width: 0;
  pointer-events: none;
}

.app-top-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-start;
}

.app-nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--app-accent-green);
  text-decoration: none;
  border: 1px solid var(--app-border);
  background: var(--app-surface);
  padding: 8px 14px;
  border-radius: 10px;
  transition: background 0.15s, border-color 0.15s;
}

.app-nav-link:hover {
  border-color: var(--app-border-strong);
  background: var(--app-surface-2);
}

.app-nav-link.is-active {
  background: var(--app-accent);
  color: var(--app-on-accent);
  border-color: var(--app-accent);
}

/* Portal login / first sign-in (/) */
.app-nav-link.app-nav-home {
  min-width: 2.5rem;
  text-align: center;
  padding-inline: 10px;
}

/* Short “how to” panels on app pages (main-app, etc.) */
.app-help-panel {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--app-muted);
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 1px solid var(--app-border);
  border-radius: 12px;
  background: var(--app-surface-2);
}
.app-help-panel strong {
  color: var(--app-text);
  font-weight: 600;
}

html[data-theme="dark"] .app-nav-link.is-active {
  background: var(--app-accent-green);
  color: var(--app-bg);
  border-color: var(--app-accent-green);
  font-weight: 600;
}

.app-top-nav-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-inline-start: auto;
}

.app-nav-btn,
.app-nav-icon-btn {
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid var(--app-border);
  background: var(--app-surface);
  color: var(--app-text);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.app-nav-icon-btn {
  padding: 8px 12px;
  min-width: 2.5rem;
}

.app-nav-btn:hover,
.app-nav-icon-btn:hover {
  background: var(--app-surface-2);
  border-color: var(--app-border-strong);
}

.app-nav-logout {
  color: var(--app-danger);
  border-color: rgba(198, 40, 40, 0.35);
  background: var(--app-surface);
}

html[data-theme="dark"] .app-nav-logout {
  border-color: rgba(240, 113, 120, 0.4);
}

.app-nav-logout:hover {
  background: var(--app-danger-bg);
}

@media (max-width: 720px) {
  .app-top-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .app-top-nav-links {
    justify-content: flex-start;
  }
  .app-top-nav-tools {
    margin-inline-start: 0;
    justify-content: flex-end;
    width: 100%;
  }
}

/* ——— Main app (main-app.html) — layout shell (component colors live in main-app.html) ——— */
body.app-page-main {
  background: var(--app-bg);
  color: var(--app-text);
}

body.app-page-main .app-container {
  background: var(--app-surface);
  box-shadow: 0 20px 40px var(--app-shadow);
  color: var(--app-text);
}

body.app-page-main .main-panel {
  background: transparent;
}

/* ——— Training center admin ——— */
body.app-page-training-admin {
  background: var(--app-bg);
  color: var(--app-text);
}

body.app-page-training-admin .stat-card {
  background: var(--app-surface-2);
}

body.app-page-training-admin table.data th {
  background: var(--app-surface-2);
}

/* ——— Department portal ——— */
body.app-page-dept {
  background: var(--app-bg);
  color: var(--app-text);
}

html[data-theme="dark"] body.app-page-dept {
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 214, 198, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(42, 157, 143, 0.06), transparent);
}

/* ——— Database console ——— */
body.app-page-db-console {
  background: var(--app-bg);
  color: var(--app-text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.app-page-db-console .db-site-header {
  padding: 12px 16px 0;
  flex-shrink: 0;
}

body.app-page-db-console .db-layout {
  flex: 1;
  min-height: 0;
}

body.app-page-db-console .db-main {
  background: transparent;
}

body.app-page-db-console .profile-bar,
body.app-page-db-console .card {
  background: var(--app-surface);
  border-color: var(--app-border);
  color: var(--app-text);
}

body.app-page-db-console .sub,
body.app-page-db-console label {
  color: var(--app-muted);
}

body.app-page-db-console #sqlLog,
body.app-page-db-console #umgLog,
body.app-page-db-console .erd-wrap {
  background: var(--app-surface-2);
  border-color: var(--app-border);
}

/* ——— MariaDB login ——— */
body.app-page-login {
  background: var(--app-bg);
  color: var(--app-text);
}

body.app-page-login .login-card-wrap {
  background: var(--app-surface);
  border-color: var(--app-border);
  box-shadow: 0 8px 32px var(--app-shadow);
}

body.app-page-login .login-card-wrap .sub {
  color: var(--app-muted);
}

body.app-page-login input {
  background: var(--app-surface);
  color: var(--app-text);
  border-color: var(--app-border);
}