/* Diamond Oaks PWA — terse, mobile-first, warm-gray + forest. */

:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --surface-2: #f1ede5;
  --text: #1c1a18;
  --text-muted: #6b665d;
  --border: #e6e0d3;
  --brand: #1a3a2e;
  --brand-hover: #2a5a48;
  --accent: #c89b3c;
  --danger: #8a2222;
  --ok: #2e7d4f;
  --radius: 10px;
  --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14130f;
    --surface: #1f1d18;
    --surface-2: #292620;
    --text: #f1ede5;
    --text-muted: #a09a8d;
    --border: #353027;
    --brand: #4a8a72;
    --brand-hover: #5cae8e;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
}

.hidden { display: none !important; }

/* ----- Auth gate ----- */

.auth-gate {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(160deg, var(--bg) 0%, var(--surface-2) 100%);
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.auth-card h1 {
  font-weight: 700;
  font-size: 32px;
  margin: 0 0 2px;
  color: var(--brand);
  letter-spacing: -0.03em;
}

.brand-sub {
  font-size: 13px;
  margin: 0 0 4px;
  letter-spacing: 0.02em;
}

.auth-card input[type="tel"] {
  font-family: var(--font-mono);
  font-size: 28px;
  text-align: center;
  letter-spacing: 0.4em;
  width: 100%;
  padding: 14px 12px;
  margin: 20px 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text);
}

/* ----- App shell ----- */

.app {
  padding: env(safe-area-inset-top) 0 calc(72px + env(safe-area-inset-bottom));
  max-width: 720px;
  margin: 0 auto;
}

.view {
  display: none;
  padding: 16px 18px 32px;
}

.view.active { display: block; }

.view header h2 {
  font-weight: 700;
  font-size: 28px;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 28px 0 10px;
}

.muted {
  color: var(--text-muted);
  font-size: 14px;
}

.error {
  color: var(--danger);
  font-size: 14px;
  margin-top: 12px;
}

.ok {
  color: var(--ok);
}

/* ----- Cards ----- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat-grid {
  margin-bottom: 22px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.stat-card .label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.stat-card .value {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 4px;
  color: var(--text);
}

.stat-card .value.brand { color: var(--brand); }
.stat-card .value.ok { color: var(--ok); }
.stat-card .value.warn { color: var(--accent); }
.stat-card .value.fail { color: var(--danger); }

.stat-card .sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ----- Modal ----- */

.modal-root {
  position: fixed;
  inset: 0;
  background: rgba(20, 19, 15, 0.5);
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  width: 100%;
  max-width: 380px;
}

.modal h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
}

.modal .modal-msg {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.modal .modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.modal-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.modal-form input,
.modal-form select {
  font-family: var(--font-sans);
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
}

h3.form-section {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 4px 0 4px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.card .label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.card .value {
  font-size: 18px;
  font-weight: 600;
}

.card .sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.booking {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.booking.active {
  border-left: 4px solid var(--ok);
}

.booking h4 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}

.booking .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

.booking .conf {
  font-family: var(--font-mono);
  font-size: 14px;
  background: var(--surface-2);
  padding: 2px 8px;
  border-radius: 6px;
  color: var(--text);
}

.booking .actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
}

/* ----- Runs / history list ----- */

.run-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.run-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.run-row .pill {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-muted);
}

.run-row .pill.ok { background: rgba(46, 125, 79, 0.15); color: var(--ok); }
.run-row .pill.fail { background: rgba(138, 34, 34, 0.15); color: var(--danger); }
.run-row .pill.running { background: rgba(200, 155, 60, 0.15); color: var(--accent); }

.run-row .title {
  font-weight: 600;
  font-size: 15px;
}

.run-row .stamp {
  font-size: 12px;
  color: var(--text-muted);
}

.run-row .grow { flex: 1; min-width: 0; }

/* ----- Forms ----- */

.form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.form label.row {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--text);
}

.form input[type="date"],
.form select {
  font-family: var(--font-sans);
  font-size: 16px;
  padding: 12px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
}

.setting {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  margin-bottom: 14px;
}

.setting h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}

/* ----- Buttons ----- */

button {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  background: var(--surface-2);
  color: var(--text);
}

button.primary {
  background: var(--brand);
  color: white;
  border-color: var(--brand);
}

button.primary:hover { background: var(--brand-hover); border-color: var(--brand-hover); }
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }

button.secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

button.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}

/* ----- Tab bar ----- */

.tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  z-index: 10;
}

.tabbar button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 4px;
  font-size: 13px;
  font-weight: 500;
}

.tabbar button.active {
  color: var(--brand);
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  .tabbar button.active { color: var(--brand); }
}

#book-result, #health-result {
  margin-top: 16px;
}

.notice {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.notice.ok { border-left: 3px solid var(--ok); }
.notice.fail { border-left: 3px solid var(--danger); }