:root {
  --bg: #0A0A12;
  --bg-panel: rgba(12, 12, 20, 0.94);
  --bg-card: rgba(22, 22, 34, 0.55);
  --bg-hover: rgba(34, 34, 50, 0.65);
  --text: #ECECF6;
  --text-dim: #9090AA;
  --text-muted: #5C5C72;
  --accent: #6B9DEC;
  --accent-glow: rgba(107, 157, 236, 0.25);
  --glass-border: rgba(255,255,255,0.07);
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --sidebar-w: 280px;
  --header-h: 52px;
}

[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  font: 14px/1.55 var(--sans);
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* LOADING */
.loading-screen {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s;
}
.loading-screen.fade-out { opacity: 0; pointer-events: none; }
.loading-content { text-align: center; }
.loading-title { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; }
.loading-sub { color: var(--text-dim); margin: 6px 0 20px; font-size: 13px; }
.loading-bar-track { width: 200px; height: 3px; background: rgba(255,255,255,0.08); border-radius: 2px; margin: 0 auto; }
.loading-bar-fill { height: 100%; width: 0; background: var(--accent); border-radius: 2px; transition: width 0.3s; }
.loading-status { color: var(--text-muted); font-size: 11px; margin-top: 10px; }

/* HEADER */
.header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; z-index: 100;
  background: var(--bg-panel); border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}
.header-left {
  display: flex; align-items: center; gap: 8px;
}
.hamburger-btn {
  display: none; /* Hidden on desktop, shown on mobile */
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; padding: 6px;
}
.hamburger-btn:hover { color: var(--text); }
.header-brand {
  font-size: 15px; font-weight: 600; letter-spacing: -0.15px;
  color: var(--text); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 8px; border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.header-brand:hover { background: rgba(255,255,255,0.05); color: var(--accent); }
.header-brand-back { font-size: 14px; color: var(--text-dim); }
.header-brand:hover .header-brand-back { color: var(--accent); }
.header-brand-divider { color: var(--text-muted); font-weight: 400; }
.header-brand-page { color: var(--text-dim); font-weight: 500; }
.header-v2 { color: var(--accent); font-size: 11px; font-weight: 600; margin-left: 6px; letter-spacing: 0.04em; text-transform: uppercase; }
.header-btn {
  background: none; border: none; color: var(--text-dim); cursor: pointer; padding: 6px;
}
.header-btn:hover { color: var(--text); }

/* SIDEBAR BACKDROP (mobile overlay) */
.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0; z-index: 45;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
}
.sidebar-backdrop.open { display: block; }

/* SEARCH */
.search-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; padding-top: 80px;
}
.search-box {
  width: min(500px, 90vw); display: flex; gap: 8px;
  background: var(--bg-panel); border: 1px solid var(--glass-border);
  border-radius: 10px; padding: 8px 12px;
}
.search-input {
  flex: 1; background: none; border: none; color: var(--text);
  font-size: 15px; outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-close {
  background: none; border: none; color: var(--text-dim); font-size: 20px; cursor: pointer;
}
.search-results {
  list-style: none; width: min(500px, 90vw); max-height: 400px; overflow-y: auto;
  margin-top: 4px;
}
.search-results li {
  padding: 8px 14px; cursor: pointer; border-radius: 6px;
  color: var(--text-dim); font-size: 13px;
}
.search-results li:hover { background: var(--bg-hover); color: var(--text); }
.search-results .sys-tag {
  font-size: 10px; color: var(--text-muted); margin-left: 6px;
  background: var(--bg-card); padding: 1px 6px; border-radius: 3px;
}

/* SIDEBAR */
.sidebar {
  position: fixed; top: var(--header-h); left: 0; bottom: 0;
  width: var(--sidebar-w); overflow-y: auto;
  background: var(--bg-panel); border-right: 1px solid var(--glass-border);
  padding: 12px; z-index: 50;
  backdrop-filter: blur(12px);
}
.sidebar-section-label {
  font-size: 10.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted); margin: 18px 0 8px; padding: 0 6px;
}
.sidebar-section-label:first-child { margin-top: 0; }

/* Stage groups */
.stage-group { margin-bottom: 12px; }
.stage-label {
  font-size: 9.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--text-muted); padding: 8px 8px 4px;
  opacity: 0.7;
}

/* System row */
.system-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
  outline: none;
}
.system-row:hover { background: var(--bg-hover); transform: translateX(1px); }
.system-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  background: var(--bg-hover);
}
.system-row input[type="checkbox"] { accent-color: var(--accent); flex-shrink: 0; width: 14px; height: 14px; }
.system-color-dot {
  width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
  opacity: 0.9;
}
.system-name { font-size: 13.5px; font-weight: 500; flex: 1; letter-spacing: -0.1px; }

/* System score traffic light dots */
.system-score {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
  background: transparent;
  transition: background 0.3s;
}
.system-score.score-green { background: #4ADE80; }
.system-score.score-amber { background: #FBBF24; }
.system-score.score-red { background: #F87171; }

.system-info-btn {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.10);
  color: var(--text-muted); font-size: 10px; font-weight: 700;
  font-style: italic; font-family: Georgia, serif;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  line-height: 1;
}
.system-info-btn:hover {
  background: var(--accent); color: #fff; border-color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 0 12px var(--accent-glow);
}
.system-count { font-size: 10.5px; font-weight: 500; color: var(--text-muted); font-variant-numeric: tabular-nums; }

/* Sidebar actions */
.sidebar-actions {
  display: flex; gap: 8px; margin: 12px 0;
}
.sidebar-btn {
  flex: 1; padding: 8px 0; font-size: 12px; font-weight: 600;
  background: var(--bg-card); border: 1px solid var(--glass-border);
  color: var(--text-dim); border-radius: 8px; cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  letter-spacing: -0.1px;
}
.sidebar-btn:hover { background: var(--bg-hover); color: var(--text); border-color: rgba(255,255,255,0.14); }

/* Build slider */
.sidebar-slider { padding: 4px 6px; }
.build-slider {
  width: 100%; height: 4px; -webkit-appearance: none; appearance: none;
  background: rgba(255,255,255,0.08); border-radius: 2px; outline: none;
}
.build-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px;
  background: var(--accent); border-radius: 50%; cursor: pointer;
}
.build-slider-labels {
  display: flex; justify-content: space-between;
  font-size: 9px; color: var(--text-muted); margin-top: 4px;
}

/* Health Conditions dropdown */
.conditions-select {
  width: 100%; padding: 9px 12px; margin: 6px 0;
  background: var(--bg-card); border: 1px solid var(--glass-border);
  color: var(--text); font-size: 13px; font-weight: 500; border-radius: 8px;
  outline: none; cursor: pointer;
  font-family: var(--sans);
  letter-spacing: -0.1px;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M3 4.5l3 3 3-3' stroke='%239090AA' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
.conditions-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.conditions-select option { background: var(--bg); color: var(--text); }

.condition-info {
  padding: 10px 4px 4px; font-size: 12.5px; color: var(--text-dim); line-height: 1.6;
}
.condition-info p { margin-bottom: 8px; }
.condition-info strong { color: var(--text); font-weight: 600; }
.condition-info em { color: var(--accent); font-style: normal; font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; margin-right: 4px; }
.cond-what { color: var(--text); font-size: 13px; font-weight: 500; line-height: 1.55; }
.cond-help, .cond-life { font-size: 12.5px; color: #C8C8DC; line-height: 1.55; }
.cond-tag {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 7px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 4px;
  background: rgba(107,157,236,0.12);
  border: 1px solid rgba(107,157,236,0.22);
  color: var(--accent);
  vertical-align: 1px;
}
.cond-life .cond-tag {
  background: rgba(74,222,128,0.10);
  border-color: rgba(74,222,128,0.22);
  color: #8FD8A8;
}
.cond-foods { display: flex; flex-wrap: wrap; gap: 4px; margin: 4px 0 8px; }
.cond-medical {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed rgba(255,255,255,0.07);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  font-style: italic;
}

/* Improve link button */
.improve-link {
  display: inline-block; margin-top: 10px; padding: 6px 14px;
  background: var(--accent); color: #fff; font-size: 12px; font-weight: 500;
  border-radius: 6px; text-decoration: none;
  transition: opacity 0.15s;
}
.improve-link:hover { opacity: 0.85; }

/* CANVAS */
.canvas-container {
  position: fixed;
  top: var(--header-h); left: var(--sidebar-w); right: 0; bottom: 0;
}
#body-canvas { width: 100%; height: 100%; display: block; }

/* Canvas controls */
.canvas-controls {
  position: absolute; bottom: 18px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 4px; align-items: center;
  background: var(--bg-panel); border: 1px solid var(--glass-border);
  border-radius: 10px; padding: 5px 6px;
  backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px -8px rgba(0,0,0,0.45);
}
.ctrl-preset-btn {
  padding: 6px 12px; font-size: 12px; font-weight: 500;
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; border-radius: 6px;
  transition: background 0.18s ease, color 0.18s ease;
  letter-spacing: -0.1px;
  font-family: var(--sans);
}
.ctrl-preset-btn:hover { background: var(--bg-hover); color: var(--text); }
.ctrl-btn {
  padding: 6px 12px; font-size: 12px; font-weight: 600;
  background: var(--bg-card); border: 1px solid var(--glass-border);
  color: var(--text-dim); cursor: pointer; border-radius: 6px;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  letter-spacing: -0.1px;
  font-family: var(--sans);
}
.ctrl-btn:hover { background: var(--bg-hover); color: var(--text); border-color: rgba(255,255,255,0.14); }

/* Tooltip — friendly speech-bubble label that pops in on first read
 * Position transitions smoothly while hover stays on same mesh (no flicker).
 */
.canvas-tooltip {
  position: fixed;
  padding: 9px 16px 10px;
  background: radial-gradient(120% 180% at 0% 0%,
              rgba(35,42,68,0.96) 0%,
              rgba(18,20,34,0.96) 60%,
              rgba(10,11,18,0.96) 100%);
  color: #F8F9FF;
  font: 600 14px/1.2 var(--sans);
  letter-spacing: -0.01em;
  border-radius: 18px;
  border: 1px solid rgba(184,134,11,0.55);
  box-shadow:
    0 10px 32px rgba(0,0,0,0.55),
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 0 24px rgba(184,134,11,0.22),
    0 2px 0 rgba(184,134,11,0.18) inset;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  pointer-events: none;
  z-index: 300;
  white-space: nowrap;
  max-width: min(360px, 80vw);
  opacity: 0;
  transform: translateY(4px) scale(0.92);
  transform-origin: 10% 100%;
  /* Position transitions: snappy enough to feel attached, smooth enough not to jitter */
  transition:
    opacity 0.14s ease-out,
    transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
    left 0.08s ease-out,
    top 0.08s ease-out;
}
.canvas-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
/* Speech-bubble tail — small soft triangle pointing down-left toward cursor */
.canvas-tooltip::after {
  content: '';
  position: absolute;
  left: 14px; bottom: -7px;
  width: 14px; height: 14px;
  background: inherit;
  border-right: 1px solid rgba(184,134,11,0.55);
  border-bottom: 1px solid rgba(184,134,11,0.55);
  transform: rotate(45deg);
  border-radius: 0 0 4px 0;
  z-index: -1;
}
/* Gold rule across the top — subtle apothecary stripe */
.canvas-tooltip::before {
  content: '';
  position: absolute; left: 16px; right: 16px; top: 4px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(184,134,11,0.7), transparent);
}

/* COLOR LEGEND */
.color-legend {
  position: absolute; bottom: 52px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 16px;
  background: rgba(0,0,0,0.7); padding: 6px 14px; border-radius: 20px;
  font-size: 12px; color: #ccc; z-index: 10;
  backdrop-filter: blur(6px);
}
.legend-item { display: flex; align-items: center; gap: 5px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* INFO PANEL */
.info-panel {
  position: fixed; top: var(--header-h); right: 0; bottom: 0;
  width: 380px; overflow-y: auto;
  background: var(--bg-panel); border-left: 1px solid var(--glass-border);
  padding: 20px 22px; z-index: 50;
  backdrop-filter: blur(14px);
}
.info-panel-header { position: relative; margin-bottom: 18px; padding-right: 28px; }
.info-panel-title { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; line-height: 1.2; }
.info-panel-desc { font-size: 11px; color: var(--accent); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }
.info-panel-close {
  position: absolute; top: -2px; right: -4px;
  background: none; border: none; color: var(--text-muted); font-size: 22px; cursor: pointer;
  line-height: 1; padding: 4px 8px;
  transition: color 0.18s ease;
}
.info-panel-close:hover { color: var(--text); }
.info-panel-body { font-size: 13.5px; color: var(--text-dim); }
.info-panel-body p { margin-bottom: 8px; }
.info-panel-body strong { color: var(--text); font-weight: 600; }

/* Info panel sections */
.info-section {
  margin: 0 0 18px;
  padding: 0 0 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.info-section:last-of-type { border-bottom: none; padding-bottom: 0; }
.info-section-title {
  font-size: 13px; font-weight: 700; color: var(--text);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.info-section-desc { font-size: 13.5px; color: var(--text-dim); line-height: 1.6; margin-bottom: 10px; }
.info-subhead {
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin: 14px 0 8px;
}

/* Chip rows for quick nutrient/food lists */
.info-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.nutrient-chip, .food-chip {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text);
  letter-spacing: -0.1px;
}
.food-chip {
  background: rgba(74, 222, 128, 0.10);
  border-color: rgba(74, 222, 128, 0.22);
  color: #BFEFD0;
}

/* Nutrient cards — plain English up front, medical footnote below */
.nutrient-cards { display: flex; flex-direction: column; gap: 9px; }
.nutrient-card {
  position: relative;
  background: linear-gradient(180deg, rgba(107,157,236,0.06), rgba(22,22,34,0.4));
  border: 1px solid rgba(107,157,236,0.18);
  border-left: 3px solid var(--accent);
  border-radius: 4px 10px 10px 4px;
  padding: 12px 14px 13px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.nutrient-card:hover {
  transform: translateX(2px);
  border-left-color: #9BB7F2;
  background: linear-gradient(180deg, rgba(107,157,236,0.12), rgba(22,22,34,0.55));
  box-shadow: 0 4px 18px -8px var(--accent-glow);
}
.nutrient-card-head {
  font-size: 15px; font-weight: 700; color: var(--text);
  letter-spacing: -0.3px;
  margin-bottom: 7px;
}
.nutrient-card-role {
  font-size: 13.5px;
  color: #D8D8E8;
  line-height: 1.55;
  font-weight: 400;
}
.nutrient-card-warn {
  display: flex; align-items: flex-start; gap: 7px;
  margin-top: 9px;
  font-size: 12.5px;
  color: #F8B8B8;
  line-height: 1.5;
  font-weight: 500;
}
.nutrient-card-warn::before {
  content: '⚠';
  font-size: 12.5px;
  color: #F87171;
  flex-shrink: 0;
  line-height: 1.5;
}

/* Medical footnote — small + muted, gives the clinical term alongside the plain text */
.nutrient-card-medical {
  display: block;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed rgba(255,255,255,0.07);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  font-style: italic;
}
.nc-med-tag {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 6px;
  font-size: 9px;
  font-weight: 700;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  color: var(--text-dim);
  vertical-align: 1px;
}

/* Panel content swap animation */
@keyframes infoSwap {
  0%   { opacity: 0; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}
.info-panel.info-swap .info-panel-body,
.info-panel.info-swap .info-panel-header {
  animation: infoSwap 0.22s ease-out;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

/* Mobile */
@media (max-width: 768px) {
  .hamburger-btn { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  .sidebar.open {
    transform: translateX(0);
  }

  .canvas-container { left: 0; }

  .info-panel {
    width: 100%; top: auto; bottom: 0; height: 50vh;
    border-top: 1px solid var(--glass-border); border-left: none;
  }
}

/* DIET BANNER — shown when arriving from NutriGap with gap data */
.diet-banner {
  position: absolute;
  top: 8px; left: 50%; transform: translateX(-50%);
  z-index: 50;
  max-width: calc(100% - 24px);
  background: linear-gradient(180deg, rgba(28,28,42,0.96), rgba(18,18,28,0.96));
  border: 1px solid rgba(220, 90, 60, 0.45);
  border-radius: 10px;
  padding: 8px 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.03) inset;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.diet-banner-row {
  display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap;
}
.diet-banner-text {
  display: flex; flex-direction: column; gap: 2px;
  min-width: 0;
}
.diet-banner-text strong {
  font-size: 13px; font-weight: 600; color: var(--text);
  letter-spacing: -0.005em;
}
.diet-banner-sub {
  font-size: 11.5px; color: var(--text-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 360px;
}
.diet-banner-legend {
  display: flex; gap: 6px;
}
.legend-pill {
  font-size: 10.5px; font-weight: 600;
  padding: 3px 8px; border-radius: 999px;
  letter-spacing: 0.02em; text-transform: uppercase;
}
.legend-pill.legend-red {
  background: rgba(220, 60, 60, 0.18);
  color: #FF8E7A;
  border: 1px solid rgba(220, 90, 70, 0.55);
}
.legend-pill.legend-amber {
  background: rgba(220, 160, 60, 0.18);
  color: #FFC97A;
  border: 1px solid rgba(220, 160, 70, 0.55);
}
.diet-banner-close {
  background: transparent; border: none;
  color: var(--text-dim); font-size: 20px; line-height: 1;
  padding: 2px 8px; cursor: pointer; border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.diet-banner-close:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

@media (max-width: 640px) {
  .diet-banner { left: 8px; right: 8px; transform: none; max-width: none; }
  .diet-banner-sub { max-width: 100%; white-space: normal; }
}

/* SYMPTOM SEARCH (Phase 3) */
#symptom-section {
  padding: 0 14px 12px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 10px;
}
.symptom-input {
  width: 100%;
  background: rgba(20,20,32,0.7);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text);
  font: 13px var(--sans);
  padding: 9px 11px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.symptom-input::placeholder {
  color: var(--text-muted);
  font-style: italic;
}
.symptom-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.symptom-chips {
  display: flex; flex-wrap: wrap; gap: 5px;
  margin-top: 8px;
}
.symptom-chips:empty { display: none; }
.symptom-chip {
  background: rgba(107,157,236,0.10);
  border: 1px solid rgba(107,157,236,0.35);
  color: #B8D1F6;
  font: 12px/1.2 var(--sans);
  padding: 5px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.symptom-chip:hover {
  background: rgba(107,157,236,0.20);
  border-color: rgba(107,157,236,0.65);
}
.symptom-chip:active { transform: scale(0.97); }