/* style.css — v1.0.1 */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
}

:root {
  --bg: #ffffff;
  --bg-secondary: #f7f6f3;
  --bg-tertiary: #f0efe9;
  --text: #333333;
  --text-secondary: #666;
  --text-tertiary: #999;
  --border: rgba(0, 0, 0, 0.12);
  --border-secondary: rgba(0, 0, 0, 0.22);
  --brand: #0092ff;
  --brand-hover: #007bdb;
  --brand-bg: rgba(0, 146, 255, 0.08);
  --brand-focus: rgba(0, 146, 255, 0.18);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.1), 0 1px 4px rgba(0, 0, 0, 0.06);
  --radius-md: 8px;
  --radius-lg: 14px;
  --font: "DM Sans", system-ui, sans-serif;
  --font-mono: "DM Mono", monospace;

  --green-bg: #c6e89a;
  --green-text: #1e3e08;
  --green-border: #2f5a0d;
  --amber-bg: #f5d08a;
  --amber-text: #4d2b04;
  --amber-border: #6e4008;
  --coral-bg: #f5b8a5;
  --coral-text: #5c1e0a;
  --coral-border: #7d2e14;
  --red-bg: #f0a8a8;
  --red-text: #621414;
  --red-border: #8a2020;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1a;
    --bg-secondary: #252523;
    --bg-tertiary: #2d2d2a;
    --text: #f0efe9;
    --text-secondary: #aaa;
    --text-tertiary: #666;
    --border: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.2);
    --green-bg: #1a2e10;
    --green-text: #97c459;
    --green-border: #3b6d11;
    --amber-bg: #2a1f08;
    --amber-text: #ef9f27;
    --amber-border: #854f0b;
    --coral-bg: #2a1208;
    --coral-text: #f0997b;
    --coral-border: #993c1d;
    --red-bg: #2a0f0f;
    --red-text: #f09595;
    --red-border: #a32d2d;
  }
}

body {
  font-family: var(--font);
  background: var(--bg-secondary);
  color: var(--text);
  min-height: 100vh;
  font-size: 1rem;
  line-height: 1.6;
}

@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500&family=DM+Mono:wght@400;500&display=swap");

header {
  background: var(--bg);
  border-bottom: 0.5px solid var(--border);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.07);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-brand {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.header-brand h1 {
  margin: 0;
}

.header-logo {
  height: 32px;
  width: 32px;
  object-fit: contain;
  border-radius: 8px;
  flex-shrink: 0;
}

header h1 {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--text);
}

.brand {
  color: var(--brand);
  font-weight: 600;
}

.brand-tld {
  color: var(--text-tertiary);
  font-weight: 400;
}

header .subtitle {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

header .spacer {
  flex: 1;
}

.save-indicator {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 5px;
}

.save-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-border);
  transition: background 0.3s;
}

.save-dot.saving {
  background: var(--amber-border);
}

main {
  max-width: 780px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.card {
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.field-grid {
  display: grid;
  gap: 12px;
}

.cols-2 {
  grid-template-columns: 1fr 1fr;
}
.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 720px) {
  .cols-3 {
    grid-template-columns: 1fr 1fr;
  }
  .patient-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .cols-2,
  .cols-3 {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.field label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="date"],
input[type="time"],
textarea,
select {
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg);
  border: 0.5px solid var(--border-secondary);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-focus);
}

textarea {
  height: 72px;
  resize: vertical;
}

.sev-section {
  margin-top: 4px;
}

.sev-buttons {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.sev-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  border: 0.5px solid var(--border-secondary);
  background: var(--bg-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: all 0.1s;
}

.sev-btn:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.sev-btn.active-low {
  background: var(--green-bg);
  color: var(--green-text);
  border-color: var(--green-border);
}
.sev-btn.active-mid {
  background: var(--amber-bg);
  color: var(--amber-text);
  border-color: var(--amber-border);
}
.sev-btn.active-high {
  background: var(--coral-bg);
  color: var(--coral-text);
  border-color: var(--coral-border);
}
.sev-btn.active-crit {
  background: var(--red-bg);
  color: var(--red-text);
  border-color: var(--red-border);
}

.sev-hint {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 5px;
  min-height: 14px;
  font-family: var(--font-mono);
}

.add-btn {
  width: 100%;
  margin-top: 14px;
  padding: 10px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-md);
  background: var(--brand);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 146, 255, 0.3);
  transition: background 0.12s, box-shadow 0.12s, transform 0.1s;
}

.add-btn:hover {
  background: var(--brand-hover);
  box-shadow: 0 4px 14px rgba(0, 146, 255, 0.4);
}
.add-btn:active {
  transform: scale(0.99);
  box-shadow: 0 1px 4px rgba(0, 146, 255, 0.3);
}

.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.toolbar .spacer {
  flex: 1;
}

.toolbar select {
  width: auto;
  font-size: 0.875rem;
  padding: 6px 10px;
}

a.btn-small {
  text-decoration: none;
}

.btn-small {
  padding: 6px 14px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 0.5px solid var(--border-secondary);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--text);
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.btn-small:hover {
  background: var(--brand-bg);
  border-color: var(--brand);
  color: var(--brand);
}

.count-pill {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--brand-bg);
  border-radius: 20px;
  padding: 2px 10px;
  color: var(--brand);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.empty {
  text-align: center;
  padding: 36px 20px;
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  border: 0.5px dashed var(--border-secondary);
  border-radius: var(--radius-lg);
}

.entry {
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.entry:hover {
  border-color: rgba(0, 146, 255, 0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.entry-symptom {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
}

.entry-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 3px;
}

.entry-date {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  margin-bottom: 2px;
}

.entry-notes {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 5px;
  line-height: 1.5;
}

.pill {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
}

.pill-low {
  background: var(--green-bg);
  color: var(--green-text);
}
.pill-mid {
  background: var(--amber-bg);
  color: var(--amber-text);
}
.pill-high {
  background: var(--coral-bg);
  color: var(--coral-text);
}
.pill-crit {
  background: var(--red-bg);
  color: var(--red-text);
}
.pill-gray {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.del-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 1rem;
  padding: 2px 4px;
  border-radius: var(--radius-md);
  line-height: 1;
  transition:
    color 0.1s,
    background 0.1s;
}

.del-btn:hover {
  color: var(--red-text);
  background: var(--red-bg);
}

.data-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.danger-btn {
  padding: 6px 14px;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 0.5px solid var(--red-border);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--red-text);
  transition: background 0.12s;
}

.danger-btn:hover {
  background: var(--red-bg);
}

.divider {
  border: none;
  border-top: 0.5px solid var(--border);
  margin: 16px 0;
}

.patient-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

footer {
  text-align: center;
  padding: 24px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-privacy {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

@media (max-width: 560px) {
  .patient-grid {
    grid-template-columns: 1fr;
  }
  main {
    padding: 20px 16px;
  }
  header {
    padding: 0 16px;
  }
}

/* ─── About page ─────────────────────────────────────────────────────────── */

.card-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.card-text + .card-text {
  margin-top: 10px;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.step-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.step-num {
  font-size: 1.125rem;
  min-width: 28px;
  flex-shrink: 0;
}

.step-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.step-body {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.sev-scale {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

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

.sev-row .pill {
  min-width: 52px;
  text-align: center;
}

.sev-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.step-divider {
  margin: 0;
}

@media (max-width: 480px) {
  header .subtitle {
    display: none;
  }
  #save-label {
    display: none;
  }
}