/* ─────────────────────────────────────────────────
   MedAI Health Risk Dashboard — style.css
   Clean, minimal, medical. No sidebar. System font.
───────────────────────────────────────────────── */

:root {
  --bg:           #f0f4f8;
  --surface:      #ffffff;
  --border:       #dde3ec;
  --border-light: #ecf0f5;

  --text:         #1a2233;
  --text2:        #4a5568;
  --text3:        #8a97aa;

  --primary:      #00b896;
  --primary-bg:   #e6f7f3;
  --primary-dim:  rgba(0,184,150,0.12);

  --blue:         #3b82f6;
  --blue-bg:      #eff6ff;

  --warning:      #f59e0b;
  --warning-bg:   #fffbeb;

  --danger:       #ef4444;
  --danger-bg:    #fef2f2;

  --radius:       14px;
  --radius-sm:    9px;
  --shadow:       0 2px 12px rgba(30,50,90,0.08);
  --shadow-sm:    0 1px 4px  rgba(30,50,90,0.06);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ─── PAGE WRAP ─── */
.page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

/* ─── HEADER ─── */
.site-header {
  padding: 22px 0 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: white;
  flex-shrink: 0;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}

.header-center { flex: 1; }

.header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}

.header-sub {
  font-size: 12px;
  color: var(--text3);
  margin-top: 2px;
}

.badge-live {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--primary-bg);
  border: 1px solid rgba(0,184,150,0.25);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

.dot-live {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary);
  animation: livepulse 1.8s ease-in-out infinite;
}

@keyframes livepulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

/* ─── MAIN CONTENT ─── */
.main-content { display: flex; flex-direction: column; gap: 24px; }

/* ─── TOP GRID ─── */
.top-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

/* ─── CARD ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.card-head { margin-bottom: 22px; }

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.card-sub {
  font-size: 12px;
  color: var(--text3);
  margin-top: 3px;
}

/* ─── FORM ─── */
.form-group { margin-bottom: 22px; }

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.form-label-row label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

.form-val {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
}

/* Range Slider */
input[type="range"] {
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(0,184,150,0.18);
  transition: transform 0.15s, box-shadow 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 5px rgba(0,184,150,0.22);
}

/* Blood Pressure */
.bp-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bp-col { flex: 1; }

.bp-col input[type="number"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  -moz-appearance: textfield;
}

.bp-col input::-webkit-outer-spin-button,
.bp-col input::-webkit-inner-spin-button { -webkit-appearance: none; }

.bp-col input:focus {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.bp-sep {
  font-size: 22px;
  font-weight: 300;
  color: var(--text3);
  flex-shrink: 0;
  padding-bottom: 20px;
}

.bp-label {
  text-align: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 6px;
}

/* Pill Group */
.pill-group { display: flex; gap: 8px; }

.pill {
  flex: 1;
  padding: 9px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text2);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.17s;
  text-align: center;
  line-height: 1.3;
}

.pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.pill.active {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: rgba(0,184,150,0.35);
}

.pill.active.sedentary {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(239,68,68,0.30);
}

/* Error message */
.err-msg {
  display: none;
  margin-bottom: 14px;
  background: var(--danger-bg);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--danger);
}

.err-msg.show { display: block; animation: fadeIn 0.2s ease; }

/* Run Button */
.run-btn {
  width: 100%;
  padding: 13px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.run-btn:hover {
  background: #00a080;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,184,150,0.28);
}

.run-btn:active { transform: translateY(0); }

.run-btn:disabled {
  background: #aac8c3;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ─── RESULT CARD ─── */
.result-card { min-height: 420px; }

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  color: var(--text3);
  text-align: center;
  gap: 8px;
}

.empty-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text2);
}

.empty-sub {
  font-size: 12px;
  color: var(--text3);
  line-height: 1.6;
}

/* Result content */
.result-content { display: none; }

.result-content.show {
  display: block;
  animation: fadeUp 0.4s ease;
}

/* Gauge */
.gauge-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 18px;
}

.gauge-rel {
  position: relative;
  width: 180px; height: 180px;
}

.gauge-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.gauge-pct {
  display: block;
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.gauge-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text3);
  margin-top: 4px;
}

/* Risk badge */
.risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  margin-top: 12px;
  border: 1px solid transparent;
}

.risk-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.risk-low      { background: var(--primary-bg); color: var(--primary); border-color: rgba(0,184,150,0.25); }
.risk-moderate { background: var(--blue-bg);    color: var(--blue);    border-color: rgba(59,130,246,0.25); }
.risk-high     { background: var(--warning-bg); color: var(--warning); border-color: rgba(245,158,11,0.25); }
.risk-critical { background: var(--danger-bg);  color: var(--danger);  border-color: rgba(239,68,68,0.25); }

/* Divider */
.divider {
  height: 1px;
  background: var(--border-light);
  margin: 16px 0;
}

/* Quick Stats */
.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.qs-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.qs-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text3);
  margin-bottom: 4px;
}

.qs-val {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.qs-val-sm { font-size: 12px; }

.qs-hint {
  font-size: 10px;
  color: var(--text3);
  margin-top: 2px;
}

/* ─── BOTTOM SECTIONS ─── */
.bottom-section { }

.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

/* ─── FACTOR CARDS ─── */
.factors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
}

.fc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 15px;
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.35s ease both;
}

.fc-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
  gap: 6px;
}

.fc-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text2);
}

.level-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 8px;
  flex-shrink: 0;
}

.lvl-low      { background: var(--primary-bg); color: var(--primary); }
.lvl-moderate { background: var(--blue-bg);    color: var(--blue); }
.lvl-high     { background: var(--warning-bg); color: var(--warning); }
.lvl-critical { background: var(--danger-bg);  color: var(--danger); }

.fc-bar-bg {
  height: 5px;
  background: var(--border-light);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 9px;
}

.fc-bar {
  height: 100%;
  border-radius: 3px;
  width: 0%;
  transition: width 1.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.fc-advice {
  font-size: 11px;
  color: var(--text3);
  line-height: 1.55;
}

/* ─── RECOMMENDATION CARDS ─── */
.reco-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.rc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.35s ease both;
  transition: box-shadow 0.2s;
}

.rc:hover { box-shadow: var(--shadow); }

.rc-icon {
  font-size: 18px;
  margin-bottom: 8px;
}

.rc-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.rc-text {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.6;
}

/* ─── FOOTER ─── */
.site-footer {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 11px;
  color: var(--text3);
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 720px) {
  .top-grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .factors-grid { grid-template-columns: 1fr 1fr; }
  .reco-grid    { grid-template-columns: 1fr; }
}