:root {
  --bg: #edf6f7;
  --bg-accent: radial-gradient(circle at top left, rgba(29, 123, 150, 0.18), transparent 30%),
    linear-gradient(135deg, #f7fcfc 0%, #dfeff2 100%);
  --card: rgba(255, 255, 255, 0.9);
  --text: #11303b;
  --muted: #5b7380;
  --line: rgba(17, 48, 59, 0.12);
  --primary: #104a60;
  --primary-strong: #0c394b;
  --secondary: #dcebee;
  --success: #0f7b61;
  --warning: #c27b13;
  --shadow: 0 18px 45px rgba(16, 74, 96, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg-accent);
  min-height: 100vh;
}

.shell {
  padding: 24px;
}

.landing,
.doctor-layout,
.patient-layout {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.page-signature {
  width: min(1120px, 100%);
  margin: 20px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  font-family: Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(320px, 0.85fr);
  gap: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

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

.landing {
  display: grid;
  gap: 20px;
  padding: 36px 0;
}

.hero {
  padding: 36px;
}

.info-grid,
.panel-grid {
  display: grid;
  gap: 20px;
}

.info-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.panel-grid {
  grid-template-columns: minmax(320px, 420px) minmax(320px, 1fr);
  align-items: start;
}

.card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.auth-card,
.patient-card {
  max-width: 640px;
  margin: 32px auto;
  padding: 32px;
}

.topbar {
  padding: 24px 28px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.topbar-actions {
  display: flex;
  gap: 12px;
}

.card h1,
.card h2,
.card h3,
.card p {
  margin-top: 0;
}

.eyebrow {
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--primary);
  font-weight: 700;
}

.lede,
.hint,
.message {
  color: var(--muted);
}

.message {
  min-height: 1.3em;
}

.message.success {
  color: var(--success);
}

.message.error {
  color: #a53c3c;
}

.stack {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-weight: 700;
  font-size: 0.95rem;
}

.checkbox-field {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.95);
}

.checkbox-field input {
  width: auto;
  margin-top: 4px;
}

.checkbox-field span {
  font-weight: 500;
  line-height: 1.5;
}

.form-section {
  display: grid;
  gap: 16px;
  padding: 20px;
  border-radius: 18px;
  background: rgba(16, 74, 96, 0.04);
  border: 1px solid rgba(16, 74, 96, 0.08);
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
}

input:focus,
select:focus {
  outline: 3px solid rgba(29, 123, 150, 0.18);
  border-color: #2d7b96;
}

.actions,
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.actions {
  justify-content: flex-start;
  margin: 28px 0 16px;
  flex-wrap: wrap;
}

.mode-toggle {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mode-button {
  min-width: 140px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.secondary,
.ghost {
  background: var(--secondary);
  color: var(--primary-strong);
}

.ghost {
  border: 1px solid var(--line);
  background: transparent;
}

.demo-logins {
  margin-top: 28px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(16, 74, 96, 0.05);
}

.demo-logins ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.dashboard.hidden,
.hidden {
  display: none;
}

.card article,
.card section {
  margin: 0;
}

.panel-grid > .card {
  padding: 24px;
}

.stat-card,
.admin-panel {
  padding: 24px;
}

.stat-card h2 {
  margin-bottom: 6px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.pill,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
}

.pill {
  background: rgba(16, 74, 96, 0.08);
  color: var(--primary);
}

.badge.pending {
  background: rgba(194, 123, 19, 0.12);
  color: var(--warning);
}

.badge.done {
  background: rgba(15, 123, 97, 0.12);
  color: var(--success);
}

.session-preview {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

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

#qrCanvas {
  width: 220px;
  max-width: 100%;
  border-radius: 18px;
  background: #fff;
  padding: 12px;
  margin-bottom: 16px;
}

.result-card {
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(15, 123, 97, 0.08);
  border: 1px solid rgba(15, 123, 97, 0.14);
}

.result-card.muted {
  background: rgba(16, 74, 96, 0.05);
  border-color: rgba(16, 74, 96, 0.1);
}

.severity-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-left: 6px;
}

.severity-mild {
  background: rgba(15, 123, 97, 0.12);
  color: var(--success);
}

.severity-moderate {
  background: rgba(194, 123, 19, 0.12);
  color: var(--warning);
}

.severity-severe {
  background: rgba(181, 53, 53, 0.12);
  color: #a53c3c;
}

.result-title {
  font-weight: 700;
}

.trend-line {
  font-weight: 700;
}

.trend-up {
  color: #a53c3c;
}

.trend-down {
  color: var(--success);
}

.trend-flat {
  color: var(--primary);
}

.session-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.search-results {
  display: grid;
  gap: 10px;
}

.inline-panel {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(194, 123, 19, 0.08);
  border: 1px solid rgba(194, 123, 19, 0.2);
}

.inline-panel.strong-match {
  background: rgba(165, 60, 60, 0.08);
  border-color: rgba(165, 60, 60, 0.2);
}

.duplicate-list {
  display: grid;
  gap: 10px;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.account-panel {
  margin-top: 20px;
}

.account-meta {
  display: grid;
  gap: 8px;
}

.account-meta p {
  margin-bottom: 0;
}

.search-row {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.94);
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
}

.search-row.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(16, 74, 96, 0.12);
}

.table-shell,
.submission-list,
.chart-shell {
  margin-top: 18px;
}

.chart-shell {
  display: grid;
  gap: 14px;
}

.bar-row {
  display: grid;
  gap: 8px;
}

.bar-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-weight: 700;
}

.bar-track {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(16, 74, 96, 0.08);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
}

.line-chart {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 18px;
  background: rgba(16, 74, 96, 0.03);
  padding: 8px;
}

.chart-label {
  font-size: 11px;
  fill: #104a60;
  font-weight: 700;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.submission-list {
  display: grid;
  gap: 12px;
}

.submission-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
}

.submission-meta {
  text-align: right;
}

.empty-state {
  color: var(--muted);
}

.session-row {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  text-align: left;
  cursor: pointer;
}

.session-name {
  font-weight: 700;
  margin-bottom: 6px;
}

.history-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.history-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.history-title {
  font-weight: 700;
  margin-bottom: 4px;
}

.history-meta {
  display: grid;
  justify-items: end;
  gap: 6px;
}

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

.question-list {
  display: grid;
  gap: 16px;
}

@media (max-width: 860px) {
  .shell {
    padding: 16px;
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-heading,
  .preview-header,
  .submission-row,
  .history-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .submission-meta {
    text-align: left;
  }

  .history-meta {
    justify-items: start;
  }

  .topbar-actions,
  .actions {
    width: 100%;
  }

  .button,
  .topbar-actions .button,
  .actions .button {
    width: 100%;
  }

  .admin-table,
  .admin-table thead,
  .admin-table tbody,
  .admin-table th,
  .admin-table td,
  .admin-table tr {
    display: block;
  }

  .admin-table thead {
    display: none;
  }

  .admin-table tr {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .admin-table td {
    padding: 8px 0;
    border: 0;
  }
}