@layer reset, base, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  body { margin: 0; }
  button, input, textarea, select { font: inherit; color: inherit; }
}

@layer base {
  :root {
    --bg: #0e0f12;
    --fg: #e8eaed;
    --muted: #9aa0a6;
    --accent: #4cd97b;
    --accent-fg: #04150a;
    --surface: #1a1c20;
    --surface-2: #23262b;
    --border: #2c2f35;
    --danger: #ff7a7a;
    --radius: 8px;
  }

  body {
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
  }

  code, pre {
    font-family: ui-monospace, 'SF Mono', Consolas, monospace;
  }
  a { color: var(--accent); text-decoration: none; }
  a:hover { text-decoration: underline; }
  h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; }
}

@layer components {
  .shell {
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
  }
  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
  }
  .topbar h1 { font-size: 18px; margin: 0; }
  .topbar nav { display: flex; gap: 16px; }
  .topbar nav a { color: var(--muted); padding: 4px 8px; border-radius: var(--radius); }
  .topbar nav a.active { color: var(--accent); background: var(--surface-2); }
  .topbar .who { color: var(--muted); font-size: 14px; }

  main {
    max-width: 880px;
    margin: 0 auto;
    padding: 24px 16px 64px;
    width: 100%;
  }

  .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
  }
  .card h2 { margin: 0 0 12px; font-size: 18px; }

  button.primary {
    padding: 8px 14px;
    background: var(--accent);
    color: var(--accent-fg);
    border: 0;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
  }
  button.ghost {
    padding: 6px 12px;
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
  }
  button.danger { color: var(--danger); border-color: var(--danger); background: transparent; }

  input[type="text"],
  input[type="password"],
  input[type="number"],
  textarea,
  select,
  input[type="file"] {
    padding: 10px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--fg);
    width: 100%;
    max-width: 480px;
  }
  textarea {
    max-width: 100%;
    min-height: 112px;
    resize: vertical;
  }
  select {
    max-width: 480px;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
  }
  th, td {
    text-align: left;
    padding: 8px;
    border-bottom: 1px solid var(--border);
  }
  th { color: var(--muted); font-weight: 500; }
  tbody tr:hover { background: var(--surface-2); }

  .pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    background: var(--surface-2);
    color: var(--muted);
  }
  .pill.ok { color: var(--accent); }
  .pill.warn { color: var(--danger); }

  .msg { font-size: 14px; color: var(--muted); }
  .msg.error { color: var(--danger); }
  .msg.ok { color: var(--accent); }
  .msg.warn { color: #ffd36b; }
  .msg.compact { font-size: 12px; }
  .help-tip {
    display: inline-grid;
    place-items: center;
    width: 16px;
    height: 16px;
    margin-left: 6px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1;
    vertical-align: middle;
    cursor: help;
  }
  .help-tip:focus {
    outline: 1px solid var(--accent);
    outline-offset: 2px;
  }

  pre.key {
    user-select: all;
    padding: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    word-break: break-all;
  }

  /* Small layout helpers — used in place of inline styles. */
  .card.centered { max-width: 480px; margin: 64px auto; }
  .stack-sm > * + * { margin-top: 12px; }
  .new-key-note { margin-top: 12px; }
  details.diag summary { cursor: pointer; color: var(--muted); }
  .kv-list {
    display: grid;
    gap: 6px;
    margin-top: 8px;
  }
  .kv-list > div {
    display: grid;
    gap: 4px;
  }
  .usage-table {
    table-layout: fixed;
  }
  .usage-route-cell {
    width: 20%;
  }
  .usage-route-button {
    width: 100%;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgb(0 0 0 / 65%);
  }
  .modal-card {
    width: min(720px, 100%);
    max-height: min(80vh, 720px);
    overflow: auto;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 24px 80px rgb(0 0 0 / 45%);
  }
  .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
  }
  .modal-header h3 {
    margin: 0;
  }
  .usage-modal code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  .play-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .play-tab {
    padding: 8px 12px;
    background: var(--surface-2);
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
  }
  .play-tab--active {
    color: var(--accent);
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  }
  .play-tab:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
  .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .embed-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-top: 16px;
  }
  .embed-stat {
    display: grid;
    gap: 4px;
    padding: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
  }
  pre.output {
    white-space: pre-wrap;
    word-break: break-word;
    padding: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    overflow: auto;
  }
  audio {
    width: 100%;
    max-width: 480px;
    margin-top: 12px;
  }
  .chat-log {
    display: grid;
    gap: 12px;
    margin-top: 16px;
  }
  .chat-msg {
    padding: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface-2);
  }
  .chat-msg--assistant {
    background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  }
  .chat-role {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  .chat-body {
    white-space: pre-wrap;
    word-break: break-word;
  }
  .settings-panel,
  .history-panel {
    margin-top: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-2);
  }
  .settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
  }
  .history-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
  }
  .history-row:last-child {
    border-bottom: 0;
  }
  .history-load {
    display: grid;
    gap: 4px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--fg);
    text-align: left;
    cursor: pointer;
  }
  .health-capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
  }
  .health-card,
  .health-model-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-2);
  }
  .health-card {
    display: grid;
  }
  .health-card-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .health-model-list {
    display: grid;
    gap: 10px;
  }
  .health-model-copy {
    display: grid;
    gap: 4px;
  }
  .health-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    background: var(--surface);
  }
  .health-badge-up { color: var(--accent); }
  .health-badge-down { color: var(--danger); }
}