:root {
  --bg: #F2F5F8;
  --surface: #FFFFFF;
  --border: #D7E0E7;
  --text-primary: #1A2830;
  --text-secondary: #5B6B75;
  --text-tertiary: #7D8B94;
  --teal: #5CC6CD;
  --teal-hover: #3DAEB6;
  --teal-dark: #187982;
  --teal-pale: #E4F7F8;
  --amber-pale: #FFF4D8;
  --red: #D94F54;
  --red-light: #F0A0A3;
  --red-pale: #FCE8E9;
  --green: #2E9D65;
  --green-pale: #E2F5EB;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
}

.page {
  max-width: 420px;
  margin: 0 auto;
  padding: 48px 20px;
}

.brand {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.brand-logo {
  height: 40px;
  width: auto;
}

.card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

h1 {
  font-size: 22px;
  margin: 0 0 4px;
}

.subtitle {
  color: var(--text-secondary);
  margin: 0 0 24px;
  font-size: 15px;
}

label {
  display: block;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.field {
  margin-bottom: 18px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--surface);
}

input:focus {
  outline: none;
  border-color: var(--teal);
}

.btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 13px 16px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--teal);
  color: #FFFFFF;
  border-color: var(--teal);
}

.btn-primary:hover {
  background: var(--teal-hover);
  border-color: var(--teal-hover);
}

.btn-secondary {
  background: var(--surface);
  color: var(--teal-dark);
  border: 2px solid var(--teal);
}

.alert {
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 18px;
  border: 2px solid transparent;
}

.alert-error {
  background: var(--red-pale);
  color: var(--red);
  border-color: var(--red-light);
}

.alert-success {
  background: var(--green-pale);
  color: var(--green);
}

.alert-info {
  background: var(--teal-pale);
  color: var(--teal-dark);
}

.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}

.pill-red {
  background: var(--red-pale);
  color: var(--red);
}

.pill-green {
  background: var(--green-pale);
  color: var(--green);
}

.pill-teal {
  background: var(--teal-pale);
  color: var(--teal-dark);
}

.helper-text {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: -10px;
  margin-bottom: 18px;
}

.foot-link {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}

.foot-link a {
  color: var(--teal-dark);
  font-weight: 700;
  text-decoration: none;
}

.patient-list {
  margin-top: 24px;
}

.patient-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 2px solid var(--border);
}

.patient-row:last-child {
  border-bottom: none;
}

.patient-name {
  font-weight: 700;
}

.patient-phone {
  font-size: 13px;
  color: var(--text-secondary);
}

.patient-row-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-link {
  background: none;
  border: none;
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  font-family: inherit;
}

.reminder-row {
  display: flex;
  gap: 8px;
}

.reminder-row select {
  flex: 1;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface);
}

.reminder-row input[type="time"] {
  flex: 1;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-family: inherit;
  font-size: 14px;
}

.summary-row {
  display: flex;
  gap: 12px;
  margin: 20px 0;
}

.summary-box {
  flex: 1;
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  text-align: center;
}

.summary-label {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.summary-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
}

.summary-sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.section-title {
  font-size: 15px;
  font-weight: 800;
  margin: 24px 0 8px;
}

.measurement-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 2px solid var(--border);
}

.measurement-row:last-child {
  border-bottom: none;
}

.measurement-value {
  font-weight: 700;
  font-size: 16px;
}

.measurement-pulse {
  font-weight: 400;
  font-size: 13px;
  color: var(--text-secondary);
}

.measurement-date {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.disclaimer-box {
  background: var(--red-pale);
  border: 2px solid var(--red-light);
  border-radius: 16px;
  padding: 20px;
}

.disclaimer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 18px;
  padding: 0;
  counter-reset: disc-counter;
}

.disclaimer-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.5;
  counter-increment: disc-counter;
}

.disclaimer-list li::before {
  content: counter(disc-counter);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.disclaimer-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--surface);
  border: 2px solid var(--red-light);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 16px;
}

.disclaimer-check input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--red);
  flex-shrink: 0;
  margin-top: 1px;
  cursor: pointer;
}

.disclaimer-check label {
  font-size: 14px;
  font-weight: 700;
  color: var(--red);
  cursor: pointer;
  line-height: 1.4;
  text-transform: none;
  letter-spacing: normal;
}

.inst-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 16px;
  margin-bottom: 12px;
}

.inst-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--teal-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.inst-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--teal-dark);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.inst-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.inst-sub {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
}

code.dev-link {
  display: block;
  word-break: break-all;
  background: var(--amber-pale);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-size: 13px;
  margin: 12px 0;
}