/* Lantern UI - warm, bold, hand-drawn-card aesthetic. */

:root {
  --bg: #fdf1da;
  --ink: #16130f;
  --ink-soft: #5a5449;
  --ink-faint: #8a8375;

  --card-yellow: #f6d989;
  --card-yellow-line: #e8bd52;
  --card-pink: #d9808a;
  --card-blue: #a3c9e6;
  --card-green: #9dbf83;
  --card-cream: #fffaf0;

  --shadow-color: #16130f;
  --shadow: 6px 6px 0 var(--shadow-color);
  --shadow-sm: 4px 4px 0 var(--shadow-color);

  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-pill: 999px;

  --pill-inactive-bg: #d8d4c8;
  --pill-inactive-fg: #16130f;
  --pill-active-bg: #16130f;
  --pill-active-fg: #fdf1da;

  --badge-red: #d8505c;
  --badge-blue: #4c8fc0;
  --badge-green: #6f9a54;
  --badge-gray: #a9a496;
  --badge-dark: #16130f;

  --btn-primary-bg: #16130f;
  --btn-primary-fg: #fdf1da;
  --btn-accent-bg: #dfe07c;
  --btn-accent-fg: #16130f;
  --btn-danger-bg: #d8505c;
  --btn-danger-fg: #fff8ee;

  --border: 2.5px solid var(--ink);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-size: 16px;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

a { color: inherit; }
a:not(.btn):not(.tab) { text-decoration-color: var(--ink-faint); }

/* Header */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.brand h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 0;
}
.brand .tagline {
  margin: 0.1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.tab {
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-pill);
  background: var(--pill-inactive-bg);
  color: var(--pill-inactive-fg);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  border: none;
  white-space: nowrap;
}
.tab.active {
  background: var(--pill-active-bg);
  color: var(--pill-active-fg);
}
.tab.user-tab {
  margin-left: auto;
}

/* Buttons */
.btn, button, input[type="submit"], [role="button"] {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-pill);
  border: none;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  transition: transform 0.06s ease;
}
.btn:hover, button:hover, input[type="submit"]:hover, [role="button"]:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}
.btn:active, button:active {
  transform: translateY(0);
}
button.secondary, .btn.secondary, [role="button"].secondary {
  background: var(--pill-inactive-bg);
  color: var(--ink);
}
button.outline, .btn.outline {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
}
button.secondary.outline, .btn.secondary.outline {
  background: var(--card-cream);
  color: var(--ink);
  border: 2px solid var(--ink);
  padding: 0.35rem 0.9rem;
  font-size: 0.82rem;
}
.btn-accent, button.accent {
  background: var(--btn-accent-bg);
  color: var(--btn-accent-fg);
}
.btn-danger, button.btn-danger {
  background: var(--btn-danger-bg);
  color: var(--btn-danger-fg);
}
button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}
.btn-signout {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

/* Cards */
article {
  background: var(--card-cream);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 1.4rem 1.6rem;
  margin: 0 0 1.75rem;
}
article > *:first-child { margin-top: 0; }
article > *:last-child { margin-bottom: 0; }

.card-yellow { background: var(--card-yellow); }
.card-pink { background: var(--card-pink); color: #2c1216; }
.card-pink h2, .card-pink h3, .card-pink h4 { color: #2c1216; }
.card-blue { background: var(--card-blue); }
.card-green { background: var(--card-green); }
.card-warn { background: #f3dda6; border-color: #a15c00; }
.card-warn h3 { color: #5c3600; }

.card-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.75rem;
  align-items: start;
}
@media (max-width: 820px) {
  .card-grid { grid-template-columns: 1fr; }
}
.card-stack { display: flex; flex-direction: column; gap: 1.75rem; }
.card-note {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 220px;
  font-size: 1.05rem;
  color: rgba(22, 19, 15, 0.65);
}
.card-pink .card-note { color: rgba(255, 248, 238, 0.85); }

/* Headings */
h1, h2, h3, h4, h5 { font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: 1.6rem; margin: 0 0 0.3rem; }
h3 { font-size: 1.2rem; margin: 1.2rem 0 0.5rem; }
h4 { font-size: 1.02rem; margin: 1rem 0 0.4rem; }
p { margin: 0.5rem 0; }
small { color: var(--ink-soft); }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0;
}
thead th {
  text-align: left;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.4rem 0.7rem;
  border-bottom: 2px solid rgba(22, 19, 15, 0.35);
}
tbody td {
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid rgba(22, 19, 15, 0.15);
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }
article.card-yellow thead th,
article.card-blue thead th,
article.card-green thead th,
article.card-pink thead th {
  border-bottom-color: rgba(22, 19, 15, 0.45);
}

/* Badges (status pills) */
mark, .badge {
  display: inline-block;
  background: var(--badge-dark);
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: lowercase;
  padding: 0.28rem 0.85rem;
  border-radius: var(--radius-pill);
  border: none;
}
mark::first-letter, .badge::first-letter {
  text-transform: uppercase;
}
.badge-red { background: var(--badge-red); color: #fff; }
.badge-blue { background: var(--badge-blue); color: #fff; }
.badge-green { background: var(--badge-green); color: #fff; }
.badge-gray { background: var(--badge-gray); color: #1c1a16; }
.badge-dark { background: var(--badge-dark); color: #fff; }

/* Forms */
label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin: 0.9rem 0 0.35rem;
}
input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.55rem 0.8rem;
  border: 2px solid rgba(22, 19, 15, 0.3);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--ink);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--ink);
}
fieldset {
  border: none;
  padding: 0;
  margin: 0.5rem 0;
}
fieldset[role="group"] {
  display: flex;
  gap: 0.5rem;
}
fieldset[role="group"] input { flex: 1; }
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
}

code {
  background: rgba(22, 19, 15, 0.08);
  border-radius: 6px;
  padding: 0.1rem 0.4rem;
  font-size: 0.88em;
}
pre {
  background: rgba(22, 19, 15, 0.08);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  overflow-x: auto;
}
pre code { background: none; padding: 0; }

details {
  margin: 1rem 0;
}
details > summary {
  cursor: pointer;
  font-weight: 700;
}

/* Alerts */
.alert {
  border-radius: var(--radius-md);
  border: 2px solid var(--ink);
  padding: 1rem 1.2rem;
  margin: 0 0 1.25rem;
}
.alert strong { display: block; }
.alert-error { background: #f6c9ce; border-color: #a3202c; color: #5c141c; }
.alert-error strong { color: #a3202c; }
.alert-success { background: #cfe3c2; border-color: #3c6b2a; color: #223e17; }
.alert-success strong { color: #3c6b2a; }
.alert-warning { background: #f3dda6; border-color: #a15c00; color: #5c3600; }
.alert-warning strong { color: #a15c00; }

.back-link {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-weight: 700;
  text-decoration: none;
}

.status-online { color: #3c6b2a; font-weight: 700; }
.status-offline { color: var(--ink-faint); }
.text-ok { color: #3c6b2a; }
.text-warn { color: #a15c00; }
.text-error { color: #a3202c; }