/*
 * Palette, type and spacing mapped from design/design-tokens.css (see docker/CLAUDE_CODE_PROMPT.md).
 * Structure/markup is unchanged from the original app — this is a restyle, not a rebuild.
 */
:root {
  --font-sans: 'IBM Plex Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --text-sm: 12px;
  --text-base: 14px;
  --radius-sm: 7px;
  --radius-md: 9px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --weight-medium: 500;
  --weight-semibold: 600;

  --bg: #f5f6f8;
  --fg: #15181d;
  --nav-bg: #0f766e;
  --nav-fg: #ffffff;
  --card-bg: #ffffff;
  --card-shadow: rgba(21, 24, 29, 0.08);
  --border: #e4e7ec;
  --border-light: #eef0f3;
  --btn-bg: #0f766e;
  --btn-bg-hover: #0b5a54;
  --btn-fg: #ffffff;
  --notice-bg: #fbf3e2;
  --notice-fg: #6e4806;
  --success-bg: #e6f2f0;
  --success-fg: #0b5a54;
  --error-bg: #fbe4e6;
  --error-fg: #9c2b35;
  --hint-fg: #6b7280;
  --code-bg: #f7f8fa;
  --input-bg: #ffffff;
  --input-fg: #15181d;
  --input-border: #cfd4dc;
  --weekend-fg: #9aa1ac;
  --missing-fg: #92600a;
  --disabled-fg: #9aa1ac;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0f12;
    --fg: #e7e9ec;
    --nav-bg: #0b5a54;
    --nav-fg: #ffffff;
    --card-bg: #15181d;
    --card-shadow: rgba(0, 0, 0, 0.4);
    --border: #262b33;
    --border-light: #1c2026;
    --btn-bg: #3d9a91;
    --btn-bg-hover: #0f766e;
    --btn-fg: #ffffff;
    --notice-bg: #3a2c10;
    --notice-fg: #eed8a8;
    --success-bg: #123430;
    --success-fg: #9fd9d1;
    --error-bg: #3a1418;
    --error-fg: #f2a3ab;
    --hint-fg: #9aa1ac;
    --code-bg: #1c2026;
    --input-bg: #1a1d23;
    --input-fg: #e7e9ec;
    --input-border: #333844;
    --weekend-fg: #7a828c;
    --missing-fg: #e8c46a;
    --disabled-fg: #6b7280;
  }
}

:root[data-theme="dark"] {
  --bg: #0d0f12;
  --fg: #e7e9ec;
  --nav-bg: #0b5a54;
  --nav-fg: #ffffff;
  --card-bg: #15181d;
  --card-shadow: rgba(0, 0, 0, 0.4);
  --border: #262b33;
  --border-light: #1c2026;
  --btn-bg: #3d9a91;
  --btn-bg-hover: #0f766e;
  --btn-fg: #ffffff;
  --notice-bg: #3a2c10;
  --notice-fg: #eed8a8;
  --success-bg: #123430;
  --success-fg: #9fd9d1;
  --error-bg: #3a1418;
  --error-fg: #f2a3ab;
  --hint-fg: #9aa1ac;
  --code-bg: #1c2026;
  --input-bg: #1a1d23;
  --input-fg: #e7e9ec;
  --input-border: #333844;
  --weekend-fg: #7a828c;
  --missing-fg: #e8c46a;
  --disabled-fg: #6b7280;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
}
nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--nav-bg);
  color: var(--nav-fg);
}
nav a { color: var(--nav-fg); text-decoration: none; }
nav a:hover { text-decoration: underline; }
nav .brand { font-weight: var(--weight-semibold); }
nav .spacer { flex: 1; }
nav .who { opacity: 0.85; }

.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: inherit;
  border-radius: var(--radius-md);
  padding: 4px 8px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
}
.theme-toggle:hover { background: rgba(255, 255, 255, 0.12); }

.auth-theme-toggle { position: fixed; top: 12px; right: 12px; }
.auth-theme-toggle .theme-toggle { border-color: var(--border); }

.card {
  max-width: 900px;
  margin: 24px auto;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: 0 1px 3px var(--card-shadow);
}
.card.center { text-align: center; margin-top: 15vh; max-width: 420px; }

.btn {
  display: inline-block;
  background: var(--btn-bg);
  color: var(--btn-fg);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
}
.btn.small { padding: 6px 14px; font-size: 13px; margin-top: 8px; }
.btn:hover { background: var(--btn-bg-hover); }

fieldset { border: 1px solid var(--border); border-radius: var(--radius-md); margin: 16px 0; padding: 12px 16px; }
.status-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 16px; }
label.radio { display: block; margin: 6px 0; font-weight: normal; }
label.radio.disabled { color: var(--disabled-fg); }
label.field { display: block; margin: 14px 0; font-weight: var(--weight-semibold); }
label.field input, label.field textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px;
  border: 1px solid var(--input-border); border-radius: var(--radius-sm); font-size: 14px;
  background: var(--input-bg); color: var(--input-fg); font-family: var(--font-sans);
}

.notice { background: var(--notice-bg); color: var(--notice-fg); padding: 8px 12px; border-radius: var(--radius-sm); }
.success { background: var(--success-bg); color: var(--success-fg); padding: 8px 12px; border-radius: var(--radius-sm); }
.error { background: var(--error-bg); color: var(--error-fg); padding: 8px 12px; border-radius: var(--radius-sm); }
.hint { font-size: 13px; color: var(--hint-fg); margin-top: 16px; }
.field-hint { display: block; font-size: 12px; font-weight: normal; color: var(--hint-fg); margin-top: 4px; }
code { background: var(--code-bg); color: var(--fg); padding: 2px 6px; border-radius: var(--radius-sm); font-size: 14px; font-family: var(--font-mono); }
hr { border: none; border-top: 1px solid var(--border-light); margin: 20px 0; }

/* Status pills, matching the "never colour alone" mockup convention (text + colour together). */
.pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; border-radius: var(--radius-pill);
  font-size: var(--text-sm); font-weight: var(--weight-medium);
  white-space: nowrap;
}
.pill-success { background: var(--success-bg); color: var(--success-fg); }
.pill-warn { background: var(--notice-bg); color: var(--notice-fg); }
.pill-neutral { background: var(--code-bg); color: var(--hint-fg); }

/* Times/figures in tabular mono digits, per design-tokens.css's .ts-num convention. */
.ts-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.history-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.history-table th, .history-table td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border-light); font-size: 14px; }
.history-table tr.weekend { color: var(--weekend-fg); }
.history-table tr.missing td { color: var(--missing-fg); }

.associate-picker { margin-bottom: 12px; }
.associate-picker select { margin-left: 6px; padding: 4px 8px; background: var(--input-bg); color: var(--input-fg); border: 1px solid var(--input-border); border-radius: var(--radius-sm); }
.month-nav { display: flex; align-items: center; justify-content: space-between; }
.totals { list-style: none; padding: 0; }
.totals li { padding: 4px 0; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 16px; }
.grid label { display: flex; flex-direction: column; font-size: 13px; font-weight: var(--weight-semibold); }
.grid input, .grid select {
  padding: 6px; border: 1px solid var(--input-border); border-radius: var(--radius-sm);
  font-weight: normal; margin-top: 2px; background: var(--input-bg); color: var(--input-fg);
}
.associate-row { border-bottom: 1px solid var(--border-light); padding: 12px 0; }
label.checkbox { flex-direction: row !important; align-items: center; gap: 6px; }

.inline-form { display: flex; gap: 12px; align-items: end; margin-bottom: 12px; }
.inline-form label { display: flex; flex-direction: column; font-size: 13px; }
.inline-form input { padding: 6px; border: 1px solid var(--input-border); border-radius: var(--radius-sm); background: var(--input-bg); color: var(--input-fg); }

.table-scroll { overflow-x: auto; }

@media (max-width: 700px) {
  nav { flex-wrap: wrap; gap: 10px 16px; }
  nav .spacer { display: none; }
  nav .who { width: 100%; order: 10; }

  .card { margin: 0; border-radius: 0; padding: 16px; max-width: 100%; }
  .card.center { margin-top: 8vh; }

  .status-grid { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .inline-form { flex-wrap: wrap; align-items: stretch; }

  .month-nav { flex-wrap: wrap; gap: 8px; }

  /* Primary action gets the mockup's thumb-zone treatment: full width, tall, easy to hit. */
  form .btn:not(.small) { width: 100%; min-height: 52px; font-size: 16px; }
}