:root {
  --teal: #0e7490;
  --teal-dark: #0b556b;
  --teal-light: #e0f7fb;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --danger: #b91c1c;
  --shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }

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

a { color: var(--teal); }
a:hover { color: var(--teal-dark); }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #fff 0 12px, var(--teal) 13px);
  box-shadow: inset 0 0 0 4px var(--teal-dark);
}

.brand h1 {
  font-size: 1.2rem;
  margin: 0;
}
.brand-sub {
  margin: 2px 0 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.05s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-lg { padding: 12px 22px; font-size: 1rem; }
.btn-primary {
  background: var(--teal);
  color: #fff;
}
.btn-primary:hover { background: var(--teal-dark); }
.btn-secondary {
  background: var(--teal-light);
  color: var(--teal-dark);
  border: 1px solid #b7e6f0;
}
.btn-secondary:hover { background: #cdeff5; }
.btn:active { transform: translateY(1px); }

main { max-width: 1000px; margin: 0 auto; padding: 32px; }

.hero {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: stretch;
  padding: 32px;
}
.hero-text h2 { font-size: 2rem; margin-top: 0; }
.hero-card {
  background: var(--surface);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.services { padding: 32px; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.service {
  background: var(--surface);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.service h3 { margin-top: 0; color: var(--teal-dark); }

.contact { padding: 32px; }

.site-footer {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

/* ------------ Portal-specific ------------- */

.portal-body { background: linear-gradient(180deg, #f0f9fb 0%, #f8fafc 200px); min-height: 100vh; }

.portal-main {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 24px;
}

.card {
  background: var(--surface);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
  margin: 16px 0;
}
.form-label { font-weight: 600; }
.form-input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
  font-family: inherit;
  background: var(--surface);
}
.form-input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.18);
}

.error {
  background: #fef2f2;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid #fecaca;
  margin: 0;
}

.patient-header {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.patient-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.record-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px 0;
}
.record-tab {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--muted);
}
.record-tab.active {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.record-tab .count {
  font-size: 0.75rem;
  margin-left: 6px;
  background: rgba(255, 255, 255, 0.25);
  padding: 1px 7px;
  border-radius: 999px;
}
.record-tab:not(.active) .count {
  background: var(--teal-light);
  color: var(--teal-dark);
}

.record-panel { display: none; }
.record-panel.active { display: block; }

.record-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 12px;
}
.record-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.record-card-head h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--teal-dark);
}
.record-card-head time {
  font-size: 0.85rem;
  color: var(--muted);
}
.record-card-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.btn-xs {
  padding: 6px 10px;
  font-size: 0.8rem;
  border-radius: 8px;
}
.record-download-btn {
  white-space: nowrap;
}

.record-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px 16px;
  font-size: 0.9rem;
}
.record-grid > div b { color: var(--muted); font-weight: 500; }

.glasses-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.glasses-table th, .glasses-table td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: center;
}
.glasses-table th { background: var(--teal-light); color: var(--teal-dark); }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 24px;
}

.footer-note { text-align: center; margin-top: 24px; }

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; padding: 16px; }
  main { padding: 16px; }
  .site-header { padding: 12px 16px; }
  .site-nav { width: 100%; justify-content: flex-end; }
  .card, .patient-header { padding: 20px; }
}