:root {
  --accent: #2563eb;
  --border: #d8dee6;
  --bg: #f5f7fa;
  --error: #c0392b;
  --text: #1f2937;
}

* { box-sizing: border-box; }

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

.hidden { display: none !important; }

.screen {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

#login-screen {
  max-width: 380px;
  padding-top: 15vh;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 17px; margin: 0 0 8px; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: #4b5563;
  margin-bottom: 12px;
}

input[type="text"],
input[type="date"],
input[type="password"] {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px 16px;
  align-items: end;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
}

button:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

.link-btn {
  background: none;
  color: var(--accent);
  padding: 4px 8px;
}

.error {
  color: var(--error);
  font-size: 13px;
  min-height: 18px;
  margin: 8px 0 0;
}

.hint {
  font-size: 13px;
  color: #6b7280;
}

.patient-row, .doc-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.patient-row button {
  margin-left: auto;
  padding: 6px 12px;
  font-size: 13px;
}

.doc-row .doc-title { font-weight: 600; }
.doc-row .doc-meta { color: #6b7280; font-size: 12px; }

.doc-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}