:root {
  /* Brand colors */
  --color-bg: #ffffff;
  --color-text: #181919;
  --color-accent-teal: #5A9AA3;
  --color-accent-navy: #1d2c41;
  --color-neutral: #FEFAF4;

  /* Typography */
  --font-display: "Satoshi", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Spacing system */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 48px;

  /* Radius & shadows */
  --radius-lg: 16px;
  --shadow-soft: 0 4px 12px rgba(0,0,0,0.05);

/*Surface tokens*/
  --surface: #f7f7f5;
  --surface-muted: #ffffff; /* subtle card tint over warm white */
  --border: rgba(0,0,0,0.0);
}html, body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

h1, h2, h3 {
  font-family: var(--font-display);
}

.button-primary {
  background: var(--color-accent-teal);
  color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  box-shadow: var(--shadow-soft);
}
.button-primary:hover { filter: brightness(1.1); }
.patient-labs-page {
  --labs-red: #ef4444;
  --labs-amber: #f59e0b;
  --labs-green: #22c55e;
  max-width: 760px;
  margin: 0 auto;
  padding: 124px 0 64px;
  color: var(--color-text);
  text-align: left;
}

.patient-labs-file-input { display: none; }

.patient-labs-heading h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 600;
}

.patient-labs-heading { padding: 0 .25rem; }

.patient-labs-heading-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  color: var(--color-text);
  font-size: .875rem;
  opacity: .65;
}

.patient-labs-date-picker {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.patient-labs-date-picker select {
  max-width: 155px;
  padding: 0 20px 0 0;
  border: 0;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
}

.patient-labs-date-picker svg {
  position: absolute;
  right: 2px;
  width: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  pointer-events: none;
}

.patient-labs-info-wrap {
  position: relative;
  display: inline-flex;
}

.patient-labs-info {
  display: grid;
  place-items: center;
  width: 17px;
  height: 17px;
  padding: 0;
  border: 1px solid var(--color-accent-teal);
  border-radius: 50%;
  background: transparent;
  color: var(--color-accent-teal);
  cursor: help;
  font: inherit;
  font-size: .65rem;
  font-weight: 600;
}

.patient-labs-info-wrap [role="tooltip"] {
  position: absolute;
  z-index: 2;
  top: 25px;
  left: 50%;
  width: 220px;
  padding: var(--space-sm);
  border-radius: 10px;
  background: var(--color-accent-navy);
  color: var(--color-bg);
  font-size: .75rem;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%);
}

.patient-labs-info-wrap:hover [role="tooltip"],
.patient-labs-info:focus + [role="tooltip"] { opacity: 1; }

.patient-labs-filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm);
  margin: var(--space-lg) 0 30px;
  padding: var(--space-sm);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.patient-labs-filters button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-width: 0;
  padding: 11px var(--space-sm);
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
}

.patient-labs-filters button strong {
  font-size: 1.15rem;
  font-weight: 600;
}

.patient-labs-filters button span {
  overflow: hidden;
  max-width: 100%;
  font-size: .75rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.patient-labs-filters button.is-active {
  border-color: #dfe3e8;
  background: #fbfbfa;
  color: var(--color-text);
  box-shadow: none;
}

.patient-labs-filters button:nth-child(2) strong { color: var(--labs-red); }
.patient-labs-filters button:nth-child(3) strong { color: var(--labs-amber); }
.patient-labs-filters button:nth-child(4) strong { color: var(--labs-green); }

.patient-labs-marker-group {
  margin-top: var(--space-lg);
}

.patient-labs-marker-group > h2 {
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
  font-size: .8rem;
  font-weight: 500;
  opacity: .62;
}

.patient-labs-marker-group.is-attention > h2 { color: var(--labs-red); opacity: 1; }
.patient-labs-marker-group.is-borderline > h2 { color: var(--labs-amber); opacity: 1; }
.patient-labs-marker-group.is-in_range > h2 { color: var(--labs-green); opacity: 1; }

.patient-labs-list {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.patient-labs-marker-card {
  position: relative;
  border-bottom: 1px solid rgba(24, 25, 25, .1);
  background: transparent;
}

.patient-labs-marker-card:last-child { border-bottom: 0; }

.patient-labs-marker-group.is-attention .patient-labs-marker-card::before,
.patient-labs-marker-group.is-borderline .patient-labs-marker-card::before,
.patient-labs-marker-group.is-in_range .patient-labs-marker-card::before {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 0;
  width: 3px;
  border-radius: 3px;
  background: var(--labs-red);
  content: "";
}

.patient-labs-marker-group.is-borderline .patient-labs-marker-card::before { background: var(--labs-amber); }
.patient-labs-marker-group.is-in_range .patient-labs-marker-card::before { background: var(--labs-green); }

.patient-labs-marker-toggle {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 175px;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  min-height: 74px;
  padding: 12px var(--space-lg);
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.patient-labs-marker-identity { min-width: 0; }

.patient-labs-marker-identity h3 {
  overflow: hidden;
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.patient-labs-marker-identity > span {
  color: var(--color-text);
  font-size: .75rem;
  opacity: .55;
}

.patient-labs-marker-trailing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18px;
  align-items: center;
  gap: var(--space-sm);
}

.patient-labs-value {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  min-width: 0;
  color: var(--color-text);
  text-align: left;
}

.patient-labs-value strong {
  font-size: 1.2rem;
  font-weight: 600;
}

.patient-labs-value > span:not(.patient-labs-trend-arrow) {
  font-size: .75rem;
  opacity: .55;
}

.patient-labs-trend-arrow {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
}

.patient-labs-trend-arrow.is-improved { color: var(--labs-green); }
.patient-labs-trend-arrow.is-worsened { color: var(--labs-red); }
.patient-labs-trend-arrow.is-neutral { color: var(--color-text); opacity: .4; }

.patient-labs-expand-symbol {
  width: 18px;
  color: var(--color-text);
  font-size: 1.15rem;
  line-height: 1;
  text-align: center;
  opacity: .45;
}

.patient-labs-marker-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
  margin: 0 var(--space-md);
  padding: 0 0 var(--space-md);
}

.patient-labs-marker-meta > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.patient-labs-marker-meta span {
  color: var(--color-text);
  font-size: .7rem;
  opacity: .5;
}

.patient-labs-marker-meta strong {
  font-size: .8rem;
  font-weight: 500;
}

.patient-labs-upload-panel {
  display: grid;
  gap: 12px;
  margin-top: 32px;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-align: center;
}

.patient-labs-upload-panel > strong {
  font-size: .9rem;
  font-weight: 600;
}

.patient-labs-upload-button,
.patient-labs-empty button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 11px var(--space-md);
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  font-size: .875rem;
  font-weight: 500;
}

.patient-labs-upload-button {
  width: 100%;
  border: 0;
  background: var(--color-accent-teal);
  color: var(--color-bg);
  box-shadow: var(--shadow-soft);
}

.patient-labs-upload-button:hover,
.patient-labs-empty button:hover { filter: brightness(1.08); }

.patient-labs-upload-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.patient-labs-empty button {
  margin-top: var(--space-lg);
  border: 0;
  background: var(--color-accent-teal);
  color: var(--color-bg);
  box-shadow: var(--shadow-soft);
}

.patient-labs-upload-button:disabled,
.patient-labs-empty button:disabled {
  cursor: wait;
  opacity: .6;
}

.patient-labs-empty,
.patient-labs-loading,
.patient-labs-filter-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-align: center;
}

.patient-labs-empty {
  min-height: 360px;
  padding: var(--space-lg);
}

.patient-labs-empty-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  color: var(--color-accent-teal);
}

.patient-labs-empty-icon svg {
  width: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.patient-labs-empty h2 {
  margin: var(--space-md) 0 var(--space-sm);
  font-size: 1.25rem;
  font-weight: 600;
}

.patient-labs-empty p {
  max-width: 460px;
  margin: 0;
  color: var(--color-text);
  font-size: .875rem;
  line-height: 1.5;
  opacity: .65;
}

.patient-labs-empty > span {
  margin-top: var(--space-sm);
  color: var(--color-text);
  font-size: .7rem;
  opacity: .5;
}

.patient-labs-loading {
  min-height: 260px;
  flex-direction: row;
  gap: var(--space-sm);
  color: var(--color-text);
  font-size: .875rem;
  opacity: .65;
}

.patient-labs-filter-empty {
  min-height: 140px;
  padding: var(--space-lg);
  color: var(--color-text);
  font-size: .875rem;
  opacity: .65;
}

.patient-labs-error {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding: 12px var(--space-md);
  border-radius: var(--radius-lg);
  background: #f8e7e2;
  color: #7c4338;
  font-size: .8rem;
}

.patient-labs-error button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.patient-labs-notice {
  margin: 0 0 20px;
  padding: 14px 16px;
  border: 1px solid rgba(34, 197, 94, 0.28);
  border-radius: 12px;
  background: rgba(34, 197, 94, 0.08);
  color: var(--color-text, #183025);
  line-height: 1.45;
}

.patient-labs-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: patient-labs-spin .75s linear infinite;
}

@keyframes patient-labs-spin { to { transform: rotate(360deg); } }

.patient-labs-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: 0;
  color: var(--color-text);
}

.patient-labs-note svg {
  flex: 0 0 auto;
  width: 18px;
  fill: none;
  stroke: var(--color-accent-teal);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.patient-labs-note p {
  margin: 0;
  font-size: .75rem;
  line-height: 1.5;
  opacity: .6;
}

@media (max-width: 767px) {
  .patient-labs-page { padding: 100px 0 32px; }

  .patient-labs-heading h1 { font-size: 22px; }

  .patient-labs-filters {
    gap: 2px;
    margin: 20px 0 26px;
    padding: var(--space-xs);
  }

  .patient-labs-filters button {
    padding: 9px 3px;
  }

  .patient-labs-filters button strong { font-size: 1rem; }
  .patient-labs-filters button span { font-size: .68rem; }

  .patient-labs-marker-toggle {
    grid-template-columns: minmax(0, 1fr) 145px;
    gap: var(--space-sm);
    padding: 11px var(--space-md);
  }

  .patient-labs-marker-meta {
    gap: var(--space-md);
    margin: 0 var(--space-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  .patient-labs-spinner { animation-duration: 1.5s; }
}