:root {
  --bg: #f4f7f8;
  --surface: #ffffff;
  --text: #1a2b2f;
  --muted: #5c6f75;
  --accent: #0f4c5c;
  --accent-2: #167a8b;
  --border: #d5e0e4;
  --danger: #b42318;
  --ok: #0e7a4c;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 16px 32px;
}

.top { padding: 22px 0 8px; }

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.brand-logo.hidden,
.brand-sub.hidden,
.hidden {
  display: none !important;
}

.brand {
  font-size: 16px;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: var(--accent);
  text-transform: none;
}

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

.subtitle {
  margin-top: 10px;
  font-size: 24px;
  font-weight: 650;
  line-height: 1.25;
}

main { flex: 1; }

.state {
  margin-top: 24px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
}

.error {
  color: var(--danger);
  background: #fff5f4;
  border-color: #f0c9c5;
}

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

.menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 18px;
}

.menu-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 18px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(15, 76, 92, 0.04);
}

.menu-btn:active { transform: scale(0.99); }
.menu-btn:disabled { opacity: 0.55; cursor: wait; }

.menu-btn small {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
}

.panel {
  margin-top: 16px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.panel h2 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--accent);
}

.panel p { margin: 6px 0; line-height: 1.4; }
.panel .muted { color: var(--muted); font-size: 14px; }
.panel .empty-msg {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.wa-tip {
  margin-bottom: 12px;
  border-color: #25d366;
  background: #f0fdf4;
}
.result-visible {
  margin-top: 18px;
  border-color: var(--accent-2);
}

.field { margin-top: 14px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 14px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 18px;
  letter-spacing: 0.08em;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.btn {
  flex: 1;
  border: 0;
  border-radius: 10px;
  padding: 14px 12px;
  font-size: 16px;
  font-weight: 650;
  cursor: pointer;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

.btn.secondary {
  background: #e8eef0;
  color: var(--accent);
}

.btn:disabled { opacity: 0.6; cursor: wait; }

.credits-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.credits-row:last-child { border-bottom: 0; }

.appt-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.appt-row:last-child { border-bottom: 0; }

.subh {
  margin: 18px 0 8px;
  font-size: 14px;
  color: var(--accent);
}

.footer { margin-top: 28px; }
.powered {
  text-align: center;
  font-size: 11px;
  color: #8a9aa0;
}

.linkish {
  background: none;
  border: 0;
  color: var(--accent-2);
  text-decoration: underline;
  cursor: pointer;
  font-size: 14px;
  padding: 0;
  margin-top: 16px;
}