/* Design tokens - light by default, dark via prefers-color-scheme.
   No external font/CDN dependency (self-hosted admin tool shouldn't
   phone out to Google Fonts) - a well-tuned system-ui stack plus real
   spacing/depth/motion is what actually reads as "modern", not the
   typeface. */

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

  --bg: #f5f6f8;
  --bg-elevated: #ffffff;
  --bg-sunken: #eef0f3;
  --border: #e2e5ea;
  --border-strong: #cbd0d8;
  --text: #14161a;
  --text-dim: #5c6370;
  --text-faint: #8b929e;
  --accent: #3b6ff0;
  --accent-hover: #2f5cd6;
  --accent-text: #ffffff;
  --accent-soft: #e8effe;
  --success: #1c8a5b;
  --success-soft: #e3f6ec;
  --warning: #a9660a;
  --warning-soft: #fdf1de;
  --danger: #d13a3a;
  --danger-soft: #fbe8e8;
  --shadow-sm: 0 1px 2px rgba(20, 22, 26, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 22, 26, 0.08);
  --radius: 10px;
  --radius-lg: 14px;
  --sidebar-w: 232px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --bg-elevated: #17191f;
    --bg-sunken: #0c0d10;
    --border: #262a33;
    --border-strong: #363c48;
    --text: #eceef2;
    --text-dim: #9aa1ad;
    --text-faint: #6b7280;
    --accent: #5b8cff;
    --accent-hover: #7ba0ff;
    --accent-text: #0a0e18;
    --accent-soft: #17233f;
    --success: #3ecf8e;
    --success-soft: #103527;
    --warning: #e2a53f;
    --warning-soft: #3a2c11;
    --danger: #f0605f;
    --danger-soft: #3a1616;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }
::selection { background: var(--accent-soft); }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

/* ---------------------------------------------------------------- */
/* Shell: fixed sidebar + main content                              */
/* ---------------------------------------------------------------- */

.shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px 22px;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-text);
  flex-shrink: 0;
}
.brand-mark svg { width: 17px; height: 17px; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  min-width: 0;
}
.brand-text strong { font-size: 14px; }
.brand-text span { font-size: 11.5px; color: var(--text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.nav { display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  text-align: left;
  width: 100%;
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; opacity: 0.85; }
.nav-item:hover { background: var(--bg-sunken); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }
.nav-item.active svg { opacity: 1; }

.sidebar-footer {
  margin-top: auto;
  padding: 10px;
  font-size: 11.5px;
  color: var(--text-faint);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 60px;
  max-width: 880px;
}

.page { display: none; }
.page.active { display: block; }

.page-header { margin-bottom: 24px; }
.page-header h1 { margin: 0 0 4px; font-size: 20px; letter-spacing: -0.01em; }
.page-header p { margin: 0; color: var(--text-dim); font-size: 13.5px; }

/* ---------------------------------------------------------------- */
/* Cards, forms, buttons                                            */
/* ---------------------------------------------------------------- */

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 20px 22px;
  margin-bottom: 18px;
}

.card h2 { margin: 0 0 14px; font-size: 14.5px; font-weight: 600; }

.card-inset {
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
}

form { display: flex; flex-direction: column; gap: 14px; }

label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-dim);
}

label.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--text);
}
label.checkbox input { width: 16px; height: 16px; accent-color: var(--accent); }

.hint { color: var(--text-faint); font-size: 11.5px; font-weight: normal; }

input[type="text"],
input[type="password"],
input[type="number"],
input[type="time"],
select {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 13.5px;
  font-family: inherit;
  transition: border-color 0.12s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
}
legend { padding: 0 6px; color: var(--text-dim); font-size: 12px; font-weight: 600; }

button {
  border: none;
  border-radius: 8px;
  padding: 8px 15px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-text);
  align-self: flex-start;
  transition: background-color 0.12s ease, transform 0.05s ease;
}
button:hover { background: var(--accent-hover); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.55; cursor: not-allowed; }

button.secondary {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
}
button.secondary:hover { background: var(--bg-sunken); }

button.danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
}
button.danger:hover { background: var(--danger-soft); }

.button-row { display: flex; gap: 8px; margin-top: 4px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- */
/* Addon cards, status pills, job log panel                         */
/* ---------------------------------------------------------------- */

.addon-card { display: flex; flex-direction: column; gap: 12px; }
.addon-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.addon-title { display: flex; align-items: center; gap: 10px; }
.addon-icon {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--bg-sunken); display: flex; align-items: center; justify-content: center;
  color: var(--text-dim); flex-shrink: 0;
}
.addon-icon svg { width: 18px; height: 18px; }
.addon-name { font-weight: 600; font-size: 14px; }
.addon-desc { color: var(--text-faint); font-size: 12px; margin-top: 1px; }

.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.02em; text-transform: uppercase;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.pill.installed { background: var(--success-soft); color: var(--success); }
.pill.installed::before { background: var(--success); }
.pill.not-installed { background: var(--bg-sunken); color: var(--text-faint); }
.pill.not-installed::before { background: var(--text-faint); }
.pill.unknown { background: var(--warning-soft); color: var(--warning); }
.pill.unknown::before { background: var(--warning); }

.addon-form { display: none; }
.addon-form.open { display: flex; padding-top: 4px; border-top: 1px solid var(--border); margin-top: 4px; }

.job-panel {
  display: none;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.job-panel.open { display: block; }
.job-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  font-size: 12.5px; font-weight: 600;
}
.job-status { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; }
.job-status.running { color: var(--accent); }
.job-status.success { color: var(--success); }
.job-status.failed { color: var(--danger); }
.spinner {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--accent-soft); border-top-color: var(--accent);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.job-log {
  margin: 0; padding: 12px 14px;
  font-family: var(--font-mono); font-size: 12px; line-height: 1.6;
  color: var(--text-dim);
  max-height: 320px; overflow-y: auto;
  white-space: pre-wrap; word-break: break-word;
}

/* ---------------------------------------------------------------- */
/* Site rows (Sites & Page Timing)                                  */
/* ---------------------------------------------------------------- */

.site-row-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 12px;
}
@media (max-width: 640px) { .site-row-grid { grid-template-columns: 1fr; } }

.site-auth {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
.site-auth summary { cursor: pointer; color: var(--text-dim); font-size: 12px; font-weight: 600; }
.site-auth[open] summary { margin-bottom: 10px; }
.auth-state { color: var(--text-faint); font-weight: normal; }

/* ---------------------------------------------------------------- */
/* Toast banner                                                     */
/* ---------------------------------------------------------------- */

.banner {
  border-radius: var(--radius);
  padding: 11px 15px;
  font-size: 13px;
  font-weight: 500;
  position: fixed;
  top: 18px;
  right: 18px;
  max-width: 360px;
  box-shadow: var(--shadow-md);
  z-index: 50;
}
.banner.success { background: var(--success-soft); border: 1px solid var(--success); color: var(--success); }
.banner.error { background: var(--danger-soft); border: 1px solid var(--danger); color: var(--danger); }

@media (max-width: 800px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; padding: 12px; overflow-x: auto; }
  .brand { padding: 0 10px 0 0; }
  .nav { flex-direction: row; }
  .sidebar-footer { display: none; }
  .main { padding: 20px; }
}