/* lesson.services admin dashboard */

:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --border: #e0e0e5;
  --text: #1a1c23;
  --muted: #6b7280;
  --accent: #4f46e5;
  --accent-hover: #6366f1;
  --green: #16a34a;
  --red: #dc2626;
  --yellow: #ca8a04;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
  height: auto;
}

/* Sidebar */
.sidebar {
  width: 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  box-shadow: 1px 0 4px rgba(0,0,0,0.04);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
}

.sidebar .brand {
  font-size: 15px;
  font-weight: 700;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.sidebar a {
  display: block;
  padding: 10px 20px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s;
}

.sidebar a:hover { color: var(--text); background: rgba(79,70,229,0.06); }
.sidebar a.active { color: var(--accent); border-left: 3px solid var(--accent); }
.sidebar .spacer { flex: 1; }
.sidebar .logout { color: var(--red); }

/* Main */
main {
  margin-left: 220px;
  flex: 1;
  min-width: 0;
  width: calc(100% - 220px);
  padding: 32px clamp(24px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

header,
.content {
  width: min(100%, 1200px);
}

.content {
  min-width: 0;
}

header h1 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 24px;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.card.wide { grid-column: 1 / -1; }

.card-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 12px;
}

.muted { color: var(--muted); font-size: 13px; }

/* Status badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--mono);
}

.badge.ok, .badge.succeeded { background: rgba(22,163,74,0.10); color: var(--green); }
.badge.running { background: rgba(79,70,229,0.10); color: var(--accent); }
.badge.queued { background: rgba(202,138,4,0.10); color: var(--yellow); }
.badge.failed, .badge.err { background: rgba(220,38,38,0.10); color: var(--red); }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-wrap table {
  min-width: 640px;
}

th, td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

code {
  font-family: var(--mono);
  font-size: 12px;
  background: rgba(79,70,229,0.08);
  padding: 1px 4px;
  border-radius: 3px;
  overflow-wrap: anywhere;
}

/* KV rows */
.kv { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.kv:last-child { border-bottom: none; }
.kv .label { color: var(--muted); }
.kv > :last-child { margin-left: auto; text-align: right; overflow-wrap: anywhere; }

/* Forms */
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; margin-top: 12px; }
input, select, textarea {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
}
textarea { font-family: var(--mono); font-size: 13px; resize: vertical; }
button {
  margin-top: 16px;
  padding: 10px 24px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
button:hover { background: var(--accent-hover); }
.form-row { margin-bottom: 4px; }

/* Response area */
.response-area { margin-top: 24px; }
.response-status { font-weight: 700; font-size: 14px; margin-bottom: 8px; }
.response-status.ok { color: var(--green); }
.response-status.err { color: var(--red); }
pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  max-height: 400px;
}

/* Login page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 380px;
  text-align: center;
}
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card .subtitle { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.login-card form { text-align: left; }
.alert.error { background: rgba(220,38,38,0.08); color: var(--red); padding: 10px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }

/* Endpoints page */
.endpoint-row { border-bottom: 1px solid var(--border); }
.endpoint-row:last-child { border-bottom: none; }
.endpoint-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  cursor: pointer;
  transition: background 0.1s;
}
.endpoint-header:hover { background: rgba(79,70,229,0.04); margin: 0 -12px; padding: 10px 12px; border-radius: 4px; }
.endpoint-path { font-size: 13px; font-weight: 500; }
.endpoint-summary { color: var(--muted); font-size: 13px; margin-left: auto; }
.endpoint-detail { display: none; padding: 0 0 16px 0; }
.endpoint-row.open .endpoint-detail { display: block; }
.badge.method-GET { background: rgba(22,163,74,0.10); color: var(--green); }
.badge.method-POST { background: rgba(79,70,229,0.10); color: var(--accent); }
.badge.method-PUT { background: rgba(202,138,4,0.10); color: var(--yellow); }
.badge.method-DELETE { background: rgba(220,38,38,0.10); color: var(--red); }
.badge.method-PATCH { background: rgba(202,138,4,0.10); color: var(--yellow); }
.param-section { margin-top: 12px; }
.param-heading { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; color: var(--muted); margin-bottom: 6px; }
.param-row { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 13px; flex-wrap: wrap; }
.param-type { color: var(--accent); font-size: 12px; font-family: var(--mono); }

/* Forms */
.inline-form .form-row { display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.inline-form .form-group { display: flex; flex: 1 1 180px; min-width: 0; flex-direction: column; gap: 4px; }
.inline-form .form-group.align-end { align-self: end; }
.inline-form label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.3px; }
.btn { background: var(--accent); color: #fff; border: none; padding: 8px 16px; border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 500; }
.btn:hover { opacity: 0.9; }
.btn-small { background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 4px 10px; border-radius: 4px; cursor: pointer; font-size: 12px; }
.btn-small:hover { background: var(--border); }
.btn-small.danger { color: var(--red); border-color: rgba(220,38,38,0.3); }
.btn-small.danger:hover { background: rgba(220,38,38,0.06); }
.actions-cell { display: flex; gap: 6px; align-items: center; }
.alert.success, .alert.ok { background: rgba(22,163,74,0.08); color: var(--green); padding: 10px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }

.btn,
.btn-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

/* Usage dashboard */
.usage-filters .form-row {
  align-items: end;
}
.usage-filters .form-group {
  min-width: 0;
}
.usage-model-filter {
  min-width: 240px;
  flex: 1 1 240px;
}
.usage-filter-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.usage-filter-actions .btn,
.usage-filter-actions .btn-small {
  margin-top: 0;
  text-decoration: none;
}
.usage-kpis {
  margin-top: 24px;
}
.usage-kpi {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.usage-breakdowns {
  align-items: start;
}
.usage-table-card {
  height: 100%;
}
.trend-bar {
  width: 140px;
  max-width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(79,70,229,0.10);
  overflow: hidden;
}
.trend-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 999px;
}
.trend-split {
  display: flex;
  width: 180px;
  max-width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--border);
}
.trend-split .openai {
  background: var(--accent);
}
.trend-split .anthropic {
  background: var(--green);
}
.trend-legend {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
}
.trend-legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
}
.swatch.openai {
  background: var(--accent);
}
.swatch.anthropic {
  background: var(--green);
}

/* Key management */
.key-cell { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.key-value { font-size: 12px; word-break: break-all; }
.key-masked { color: var(--muted); }
.wide { width: 100%; }
.endpoint-filters input { width: min(100%, 400px); }
.stack-xs > * + * { margin-top: 8px; }
.stack-sm > * + * { margin-top: 12px; }
.stack-md > * + * { margin-top: 16px; }
.stack-lg > * + * { margin-top: 20px; }
.page-lede { margin-bottom: 20px; }
.page-lede p,
.page-lede.muted {
  margin: 0;
}
.card-spaced { margin-bottom: 20px; }
.card-spaced-top { margin-top: 20px; }
.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.form-actions .btn,
.form-actions .btn-small,
.form-actions button {
  margin-top: 0;
}
.indicator-text {
  color: var(--muted);
  font-size: 13px;
}
.endpoint-group {
  margin-bottom: 16px;
}
.endpoint-description {
  margin-bottom: 12px;
}
.endpoint-filters {
  margin-bottom: 20px;
}
.api-test-form {
  display: grid;
  gap: 16px;
}
.api-test-row {
  display: grid;
  gap: 6px;
}
.api-test-row label {
  margin-top: 0;
}
.api-test-grid {
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(0, 1fr);
  gap: 16px;
}
.api-test-actions {
  margin-top: 0;
  justify-self: start;
}
.system-prompt {
  width: 100%;
  font-family: var(--mono);
  font-size: 13px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  resize: vertical;
}

/* Mobile toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1001;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  margin: 0;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.2);
  z-index: 999;
}

/* ── Tablet + iPad portrait (< 1100px) ─────────────── */

@media (max-width: 1100px) {
  .sidebar-toggle {
    display: flex;
  }

  .sidebar {
    width: min(82vw, 280px);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 1000;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  main {
    margin-left: 0;
    width: 100%;
    padding: 72px 24px 24px;
  }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }

  .inline-form .form-row {
    flex-direction: column;
    align-items: stretch;
  }

  .inline-form .form-group,
  .usage-model-filter,
  .usage-filter-actions {
    width: 100%;
  }

  .usage-filters .form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 16px;
  }

  .usage-filters .form-group {
    width: auto;
  }

  .usage-model-filter,
  .usage-filter-actions {
    width: auto;
  }

  .usage-model-filter {
    grid-column: 1 / -1;
  }

  .usage-filter-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .inline-form .form-group.align-end {
    align-self: stretch;
  }

  .api-test-grid {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 12px;
  }

  th,
  td {
    padding: 7px 10px;
  }
}

/* ── Mobile (< 768px) ──────────────────────────────── */

@media (max-width: 768px) {
  main {
    padding: 68px 16px 16px;
  }

  header h1 {
    font-size: 18px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 16px;
  }

  .login-card {
    width: calc(100vw - 32px);
    max-width: 380px;
    padding: 28px;
  }

  .endpoint-header {
    flex-wrap: wrap;
    gap: 6px;
  }

  .endpoint-summary {
    margin-left: 0;
    width: 100%;
  }

  .param-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .kv {
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
  }

  .kv > :last-child {
    margin-left: 0;
    text-align: left;
  }

  pre {
    font-size: 11px;
    padding: 12px;
  }

  .actions-cell {
    flex-wrap: wrap;
  }

  .inline-form .form-group {
    width: 100%;
  }

  .usage-filters .form-row {
    grid-template-columns: 1fr;
  }

  .usage-filter-actions .btn,
  .usage-filter-actions .btn-small,
  .inline-form .form-group.align-end .btn,
  .inline-form .form-group.align-end button,
  .form-actions .btn,
  .form-actions .btn-small,
  .form-actions button {
    width: 100%;
  }

  .api-test-actions {
    justify-self: stretch;
  }
}

@media (max-width: 480px) {
  .sidebar {
    width: min(88vw, 300px);
  }

  .table-wrap table {
    min-width: 560px;
  }
}