:root {
  --bg: #f4f6f8;
  --card-bg: #ffffff;
  --text: #1a2733;
  --muted: #5c6b78;
  --accent: #1467c9;
  --accent-dark: #0d4f9e;
  --good: #1a8a4a;
  --warn: #b5750b;
  --bad: #b5222c;
  --break: #7c3aed;
  --border: #dbe2e8;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---------- Patient display page ---------- */

.page-header {
  width: 100%;
  text-align: center;
  padding: 24px 16px 8px;
}

.clinic-name {
  font-size: clamp(1.1rem, 4vw, 1.6rem);
  font-weight: 600;
  color: var(--muted);
  margin: 0;
}

.wait-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 6px 24px rgba(20, 40, 60, 0.08);
  padding: clamp(24px, 6vw, 48px) clamp(20px, 8vw, 64px);
  margin: 16px auto 8px;
  text-align: center;
  width: min(92vw, 560px);
}

.wait-label {
  font-size: clamp(1rem, 3.5vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}

.wait-number {
  font-size: clamp(4.5rem, 22vw, 8.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--accent-dark);
  margin: 0;
}

.wait-unit {
  font-size: clamp(1.5rem, 6vw, 2.2rem);
  font-weight: 600;
  color: var(--accent-dark);
  margin-left: 8px;
}

.wait-status {
  margin-top: 18px;
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  font-weight: 600;
}

.wait-status.status-good { color: var(--good); }
.wait-status.status-warn { color: var(--warn); }
.wait-status.status-bad { color: var(--bad); }
.wait-status.status-break { color: var(--break); }

.wait-updated {
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--muted);
}

.wait-fallback {
  margin-top: 18px;
  font-size: clamp(1.2rem, 4.5vw, 1.6rem);
  font-weight: 600;
  color: var(--bad);
}

/* ---------- Staff update page ---------- */

.staff-wrap {
  width: min(94vw, 480px);
  margin: 24px auto;
}

.staff-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.staff-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 20px;
  font-size: 1rem;
}

.panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}

.field-label {
  display: block;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

#pin-input {
  width: 100%;
  font-size: 1.5rem;
  letter-spacing: 0.3em;
  text-align: center;
  padding: 14px;
  border-radius: 12px;
  border: 2px solid var(--border);
  margin-bottom: 4px;
}

.btn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 6px;
}

.preset-btn {
  font-size: 1.3rem;
  font-weight: 700;
  padding: 20px 8px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: #f8fafc;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease, border-color 0.15s ease;
}

.preset-btn:active {
  transform: scale(0.96);
}

.preset-btn.selected {
  background: var(--accent);
  border-color: var(--accent-dark);
  color: #fff;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.status-btn {
  font-size: 1.05rem;
  font-weight: 700;
  padding: 16px 6px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: #f8fafc;
  color: var(--text);
  cursor: pointer;
}

.status-btn.selected.good  { background: var(--good);  border-color: var(--good);  color: #fff; }
.status-btn.selected.warn  { background: var(--warn);  border-color: var(--warn);  color: #fff; }
.status-btn.selected.bad   { background: var(--bad);   border-color: var(--bad);   color: #fff; }
.status-btn.selected.break { background: var(--break); border-color: var(--break); color: #fff; }

.custom-row {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
}

#custom-minutes {
  flex: 1;
  font-size: 1.2rem;
  padding: 12px;
  border-radius: 12px;
  border: 2px solid var(--border);
}

.use-custom-btn {
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 16px;
  border-radius: 12px;
  border: 2px solid var(--border);
  background: #f8fafc;
  cursor: pointer;
}

.update-btn {
  width: 100%;
  font-size: 1.5rem;
  font-weight: 800;
  padding: 20px;
  border-radius: 16px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  margin-top: 4px;
}

.update-btn:active {
  background: var(--accent-dark);
}

.update-btn:disabled {
  background: #9aa7b2;
  cursor: not-allowed;
}

.message {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 16px;
  min-height: 1.6em;
}

.message.ok { color: var(--good); }
.message.err { color: var(--bad); }

.current-state {
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 18px;
}