:root {
  /* Emerald (sofistikatlangan, medisina-grade yashil) */
  --green-50: #ecfdf5;
  --green-100: #d1fae5;
  --green-200: #a7f3d0;
  --green-500: #10b981;
  --green-600: #059669;
  --green-700: #047857;
  --green-800: #065f46;
  --green-900: #064e3b;
  /* Yordamchi accent (teal — sovuqroq, professional) */
  --teal-500: #14b8a6;
  --teal-600: #0d9488;
  /* Qo'shimcha ranglar */
  --yellow-100: #fef9c3;
  --yellow-500: #eab308;
  --yellow-600: #ca8a04;
  --red-100: #fee2e2;
  --red-500: #ef4444;
  --red-600: #dc2626;
  --red-700: #b91c1c;
  --blue-500: #3b82f6;
  --gray-50: #fafbfc;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Sayt sath ranglari */
  --bg-app: radial-gradient(ellipse at top left, #f0fdfa 0%, transparent 50%),
            radial-gradient(ellipse at bottom right, #f0f9ff 0%, transparent 50%),
            linear-gradient(180deg, #fafbfc 0%, #f3f4f6 100%);
  --bg-card: #fff;
  --bg-soft: #fafbfc;
  --bg-input: #fff;
  --txt: #0f172a;
  --txt-muted: #64748b;
  --border: #e5e7eb;
  --footer-bg: #fff;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  /* Yumshoq, professional soyalar */
  --shadow-xs: 0 1px 2px rgba(15,23,42,.05);
  --shadow-sm: 0 2px 6px rgba(15,23,42,.05), 0 1px 2px rgba(15,23,42,.03);
  --shadow-md: 0 6px 20px -4px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.04);
  --shadow-lg: 0 20px 50px -12px rgba(15,23,42,.15), 0 4px 12px rgba(15,23,42,.06);
  --shadow-green: 0 8px 24px -8px rgba(5,150,105,.35), 0 2px 6px rgba(5,150,105,.15);
  --font: 'Times New Roman', Times, serif;
  --mono: 'Times New Roman', Times, serif;
}

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

html, body {
  font-family: var(--font);
  background: var(--bg-app);
  color: var(--txt);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background .3s, color .3s;
}

/* ================ TUNGI REJIM ================ */
body.dark {
  --bg-app: linear-gradient(160deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  --bg-card: #1e293b;
  --bg-soft: #0f172a;
  --bg-input: #0f172a;
  --txt: #e5e7eb;
  --txt-muted: #94a3b8;
  --border: #334155;
  --footer-bg: #0f172a;
  --gray-50: #1e293b;
  --gray-100: #334155;
  --gray-200: #334155;
  --gray-300: #475569;
  --gray-400: #94a3b8;
  --gray-500: #cbd5e1;
  --gray-600: #cbd5e1;
  --gray-700: #e2e8f0;
  --gray-800: #f1f5f9;
}
body.dark .card, body.dark .model-menu, body.dark .tog,
body.dark .bmi-box, body.dark .health-box, body.dark .model-switcher,
body.dark .ms-tab:not(.active), body.dark .btn-reset {
  background: var(--bg-card);
  color: var(--txt);
  border-color: var(--border);
}
body.dark .inp {
  background: var(--bg-input);
  color: var(--txt);
  border-color: var(--border);
}
body.dark .tog .tog-ico {
  background: var(--bg-soft);
  border-color: var(--border);
}
body.dark .tog:hover {
  background: rgba(34,197,94,0.08);
}
body.dark .lbl, body.dark .err { color: var(--txt-muted); }
body.dark .footer { background: var(--footer-bg); border-top-color: var(--border); }
body.dark .ms-label { color: var(--txt-muted); }
body.dark .menu-item:hover { background: rgba(34,197,94,0.08); }
body.dark .menu-item .mi-name { color: var(--txt) !important; }
body.dark .menu-item .mi-desc { color: var(--txt-muted) !important; }
body.dark .mi-icon { background: var(--bg-soft); }
body.dark .mi-switch { background: var(--gray-700); }
body.dark .menu-label { color: var(--txt-muted); }
body.dark .menu-admin {
  border-top-color: var(--border);
  color: var(--green-500);
}
body.dark, body.dark .card-title, body.dark .res-title,
body.dark .bmi-value, body.dark .health-value,
body.dark .res-meta-value, body.dark .topbar-title,
body.dark .ct-icon, body.dark .res-bar-label,
body.dark .res-bar-pct {
  color: var(--txt) !important;
}
body.dark .res-desc, body.dark .res-meta-label,
body.dark .footer-copy, body.dark .health-scale span {
  color: var(--txt-muted) !important;
}
body.dark .ct-icon {
  background: linear-gradient(135deg, #064e3b, #065f46) !important;
}
body.dark .footer { color: var(--txt-muted); }

/* ====== HEADER (zamonaviy, glassmorphism) ====== */
.header {
  position: sticky; top: 0; z-index: 100;
  background:
    linear-gradient(135deg, #064e3b 0%, #065f46 35%, #047857 70%, #0d9488 100%);
  color: #fff;
  padding: 0 28px;
  height: 72px;
  display: flex; align-items: center;
  box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 8px 32px -8px rgba(6,78,59,.35);
  position: sticky;
  /* Subtle pattern */
}
.header::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,.06) 0%, transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(20,184,166,.15) 0%, transparent 50%);
  pointer-events: none;
}
.header-content {
  width: 100%; margin: 0 auto;
  display: flex; align-items: center; gap: 18px;
  position: relative; z-index: 1;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: #fff; font-weight: 800;
  flex-shrink: 0;
  padding: 6px 12px 6px 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  transition: background .2s;
}
.brand:hover { background: rgba(255,255,255,.14); }
.brand-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #fff;
  padding: 2px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  object-fit: cover;
  display: block;
}
.brand-text { font-size: 16px; letter-spacing: -.3px; font-weight: 800; }

.header-title {
  flex: 1; text-align: center;
  font-size: 16px; font-weight: 600;
  letter-spacing: .2px;
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 2px rgba(0,0,0,.15);
}

/* ====== Header foydalanuvchi tugmalari (Kirish/Ro'yxat/Profil) ====== */
.hdr-login-btn, .hdr-register-btn {
  display: inline-flex; align-items: center;
  height: 38px; padding: 0 16px;
  border-radius: 10px;
  font-weight: 700; font-size: 13px;
  text-decoration: none;
  transition: all .15s;
  flex-shrink: 0;
}
.hdr-login-btn {
  background: rgba(255,255,255,.15);
  border: 1.5px solid rgba(255,255,255,.4);
  color: #fff;
}
.hdr-login-btn:hover { background: rgba(255,255,255,.25); transform: translateY(-1px); }
.hdr-register-btn {
  background: #fff;
  color: var(--green-700);
  border: 1.5px solid #fff;
}
.hdr-register-btn:hover { background: var(--green-50); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.15); }

.hdr-user {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px;
  background: rgba(255,255,255,.18);
  border: 1.5px solid rgba(255,255,255,.3);
  border-radius: 999px;
  text-decoration: none; color: #fff;
  transition: all .15s;
  flex-shrink: 0;
}
.hdr-user:hover { background: rgba(255,255,255,.28); }
.hdr-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fff, #e0e7ff);
  color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px;
}
.hdr-user-name { font-size: 13px; font-weight: 700; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hdr-logout {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  border: 1.5px solid rgba(255,255,255,.3);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px; text-decoration: none;
  transition: all .15s;
  flex-shrink: 0;
}
.hdr-logout:hover { background: rgba(220,38,38,.5); border-color: rgba(255,255,255,.5); }

@media (max-width: 760px) {
  .hdr-user-name { display: none; }
  .hdr-login-btn, .hdr-register-btn { padding: 0 11px; font-size: 12px; height: 34px; }
  .header-title { font-size: 14px; }
}

.menu-divider {
  height: 1px; background: var(--gray-200);
  margin: 8px 4px;
}

.btn-menu {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px;
  transition: all .2s;
  backdrop-filter: blur(8px);
}
.btn-menu:hover { background: rgba(255,255,255,.25); transform: translateY(-1px); }
.btn-menu .dot { width: 5px; height: 5px; background: #fff; border-radius: 50%; }

/* ====== MODEL MENU ====== */
.model-menu {
  position: fixed; top: 76px; right: 16px;
  background: #fff; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  width: 320px; max-width: calc(100vw - 32px);
  z-index: 200;
  opacity: 0; pointer-events: none;
  transform: translateY(-8px);
  transition: all .2s;
}
.model-menu.show {
  opacity: 1; pointer-events: auto; transform: translateY(0);
}
.menu-label {
  font-size: 11px; font-weight: 800;
  color: var(--gray-500); letter-spacing: 1px;
  padding: 6px 10px 10px;
}
.menu-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border-radius: var(--radius-sm);
  cursor: pointer; transition: all .2s;
  margin-bottom: 4px;
  text-decoration: none;
  color: inherit;
}
.menu-item, .menu-item:hover, .menu-item:visited, .menu-item:active {
  text-decoration: none;
  color: var(--gray-800);
}
.menu-item:hover { background: var(--green-50); }
.menu-item.active {
  background: linear-gradient(135deg, var(--green-50), var(--green-100));
  border-left: 3px solid var(--green-600);
}
.mi-icon {
  width: 40px; height: 40px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.menu-item.active .mi-icon { background: #fff; }
.mi-info { flex: 1; }
.mi-name { font-size: 14px; font-weight: 700; color: var(--gray-800); }
.mi-desc { font-size: 11px; color: var(--gray-500); margin-top: 2px; font-family: var(--mono); }

/* Galochka (active model uchun) */
.mi-check {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--green-600);
  color: #fff; font-weight: 800; font-size: 14px;
  display: none; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(5,150,105,.35);
}
.menu-item.active .mi-check { display: flex; }
.menu-admin {
  display: block; text-align: center; padding: 10px;
  color: var(--green-700); font-weight: 700; text-decoration: none;
  border-top: 1px solid var(--gray-200); margin-top: 6px;
  font-size: 13px;
}
.menu-admin:hover { background: var(--green-50); border-radius: var(--radius-sm); }

/* Switch toggle (tungi rejim) */
.mi-switch {
  width: 44px; height: 24px;
  background: var(--gray-200);
  border-radius: 12px;
  position: relative;
  flex-shrink: 0;
  transition: all .25s;
}
.mi-switch-knob {
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  position: absolute; top: 3px; left: 3px;
  box-shadow: 0 2px 4px rgba(0,0,0,.2);
  transition: all .25s;
}
.menu-item.dark-on .mi-switch {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
}
.menu-item.dark-on .mi-switch-knob { left: 23px; }

.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.4);
  z-index: 150; opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.overlay.show { opacity: 1; pointer-events: auto; }

/* ====== MAIN (ekran to'liq) ====== */
.main {
  width: 100%; margin: 0 auto;
  padding: 28px 36px 60px;
  min-height: calc(100vh - 72px - 80px);
}
.form-grid {
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: 26px;
  align-items: stretch;
}
/* O'ng ustun: alomatlar to'liq stretch, tugma pastda */
.form-grid > section:nth-of-type(2) {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-grid > section:nth-of-type(2) .card {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}
.form-grid > section:nth-of-type(2) .card .symp-grid { flex: 1; }
.form-grid > section:nth-of-type(2) .btn-row { margin-top: 0; }
@media (min-width: 1600px) {
  .main { padding: 32px 60px 80px; }
}
@media (max-width: 980px) {
  .form-grid > section:nth-of-type(2) .card { flex: 0 0 auto; }
}

/* ====== CARD (zamonaviy, yumshoq soya) ====== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #f1f5f9;
  transition: box-shadow .25s;
}
.card:hover { box-shadow: var(--shadow-md); }
.mb-20 { margin-bottom: 22px; }
.card-title {
  display: flex; align-items: center; gap: 12px;
  font-size: 16px; font-weight: 700;
  color: var(--gray-900);
  padding-bottom: 18px; margin-bottom: 22px;
  border-bottom: 1px solid #f1f5f9;
  letter-spacing: -.2px;
}
.ct-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--green-50), var(--green-100));
  border: 1px solid var(--green-100);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 2px 4px rgba(5,150,105,.08);
}

/* ====== INPUTS (zamonaviy, refined focus) ====== */
.cell { margin-bottom: 16px; }
.lbl {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 9px;
  letter-spacing: .1px;
  white-space: nowrap;
}
/* Label yonidagi kichik ikonka — rangli halqa background-size orqali kesilgan */
.lbl-ico {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  vertical-align: middle;
  flex-shrink: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 145%;  /* zoom in -> rangli halqa kesiladi */
  background-color: #fff;
}
/* Vektor ikonka uchun — Jinsi/Yoshi PNG ikonkalariga uslubi mos */
.lbl-ico.vec { background: #fff; border: 1.5px solid var(--gray-200); }
.lbl-ico.vec svg { width: 16px; height: 16px; color: var(--gray-700); }
.lbl-ico.vec.boy { border-color: #fbbf24; background: #fffbeb; }
.lbl-ico.vec.boy svg { color: #d97706; }
.lbl-ico.vec.vazn { border-color: #94a3b8; background: #f8fafc; }
.lbl-ico.vec.vazn svg { color: #475569; }
/* Hamma labellar bir xil balandlikda */
.lbl { min-height: 28px; }
.req { color: var(--red-500); margin-left: 2px; }
.inp {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 12px;
  font-family: var(--font); font-size: 14px; font-weight: 500;
  color: var(--gray-900);
  background: #fff;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.inp::placeholder { color: var(--gray-400); font-weight: 400; }
.inp:hover { border-color: var(--gray-300); }
.inp:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 4px rgba(5,150,105,.12);
  background: #fff;
}
select.inp { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236b7280' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 36px;
}
.err {
  font-size: 11px; color: var(--red-600);
  margin-top: 5px; font-weight: 600; min-height: 14px;
}

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 12px; }

/* ====== TMI / BMI (zamonaviy ko'rinish) ====== */
.bmi-box {
  background: linear-gradient(135deg, #fafbfc, #fff);
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  padding: 16px 18px; margin: 16px 0;
}
.bmi-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.bmi-label { font-size: 12px; color: var(--gray-600); font-weight: 600; letter-spacing: .2px; }
.bmi-value {
  font-family: var(--mono); font-size: 24px; font-weight: 800;
  color: var(--gray-900); letter-spacing: -.5px;
}
.bmi-bar {
  height: 10px; border-radius: 999px; overflow: hidden; display: flex;
  background: var(--gray-100);
  gap: 2px;
  padding: 2px;
}
.bmi-seg {
  height: 100%; opacity: .25;
  border-radius: 999px;
  transition: opacity .25s, transform .25s;
}
.bmi-seg.active { opacity: 1; transform: scaleY(1.2); }
.bmi-status {
  margin-top: 10px; text-align: center;
  font-size: 13px; font-weight: 600;
  letter-spacing: .2px;
}

/* ====== HEALTH RATING ====== */
.health-box {
  background: linear-gradient(135deg, #fff, #f0fdfa);
  border: 1px solid var(--green-100);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.health-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.health-label { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--gray-700); font-weight: 600; letter-spacing: .2px; }
.health-value {
  font-family: var(--mono); font-size: 24px; font-weight: 800;
  color: var(--green-700); letter-spacing: -.5px;
}
input[type=range] {
  -webkit-appearance: none; width: 100%;
  height: 6px; cursor: pointer;
  background: linear-gradient(to right, #f59e0b 0%, #fbbf24 25%, #84cc16 50%, #22c55e 75%, #059669 100%);
  border-radius: 999px;
  outline: none;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  background: #fff;
  border: 3px solid var(--green-600);
  border-radius: 50%; cursor: pointer;
  box-shadow: 0 2px 8px rgba(5,150,105,.3), 0 0 0 4px rgba(255,255,255,.95);
  transition: transform .15s;
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type=range]::-moz-range-thumb {
  width: 22px; height: 22px;
  background: #fff;
  border: 3px solid var(--green-600);
  border-radius: 50%; cursor: pointer;
  box-shadow: 0 2px 8px rgba(5,150,105,.3);
}
.health-scale {
  display: flex; justify-content: space-between;
  font-size: 10px; color: var(--gray-500);
  margin-top: 8px; font-weight: 600;
  letter-spacing: .1px;
}

/* ====== ALOMATLAR (KATTA, 3 ustun, butun maydonni egallaydi) ====== */
.symp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  gap: 16px;
  height: 100%;
}
.tog {
  display: flex; align-items: center; gap: 18px;
  padding: 20px 22px; border-radius: 16px;
  border: 2px solid var(--gray-200);
  cursor: pointer; user-select: none;
  transition: border-color .15s, background .15s, transform .1s, box-shadow .15s;
  background: #fff;
  position: relative;
  min-height: 110px;
}
.tog:hover {
  border-color: var(--green-500);
  background: var(--green-50);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px -6px rgba(5,150,105,.18);
}
.tog .ck {
  width: 24px; height: 24px;
  border: 2.5px solid var(--gray-300);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: #fff; font-weight: 900;
  transition: all .15s; flex-shrink: 0;
  background: #fff;
}
/* Rasm ikon konteyneri — rangli halqa kesilgan, ichidagi belgi qoladi */
.tog .tog-ico {
  width: 72px; height: 72px;
  background: #fff;
  border: none;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform .2s;
  overflow: hidden;
}
.tog .tog-ico img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  transform: scale(1.45);  /* rangli halqani kesib, faqat markazdagi belgi qoladi */
}
.tog.on {
  border-color: var(--red-500);
  background: linear-gradient(135deg, #fff5f5, #fff 60%);
  box-shadow: 0 4px 18px -6px rgba(239,68,68,.3);
}
.tog.on .ck {
  background: var(--red-500);
  border-color: var(--red-500);
  box-shadow: 0 2px 8px rgba(239,68,68,.4);
}
.tog.on .tog-ico {
  border-color: rgba(239,68,68,.4);
  box-shadow: 0 0 0 3px rgba(239,68,68,.15);
  transform: scale(1.05);
}
.tog span {
  font-size: 18px; color: var(--gray-800); line-height: 1.3; font-weight: 700;
  flex: 1;
  letter-spacing: 0;
}
.tog.on span { color: var(--red-700); font-weight: 700; }

@media (max-width: 1100px) {
  .symp-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .symp-grid { grid-template-columns: 1fr; }
  .tog { padding: 16px 18px; gap: 14px; min-height: 84px; }
  .tog .tog-ico { width: 60px; height: 60px; }
  .tog span { font-size: 16px; }
}

/* ====== Joriy model ko'rsatkichi (badge) ====== */
.model-indicator {
  margin-top: 14px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #f0fdfa, #ecfdf5);
  border: 1px solid #ccfbf1;
  border-radius: 12px;
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
}
.model-indicator .mi-label {
  font-size: 12px; font-weight: 600; color: var(--gray-600);
  letter-spacing: .2px;
}
.model-indicator .mi-value {
  font-size: 14px; font-weight: 800; color: var(--green-800);
  letter-spacing: -.2px;
}
.model-indicator .mi-hint {
  margin-left: auto;
  font-size: 11px; color: var(--gray-500);
  background: rgba(255,255,255,.7);
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid #e5e7eb;
}

/* ====== TUGMALAR (zamonaviy, refined) ====== */
.btn-row { display: flex; gap: 12px; margin-top: 14px; }
.btn-primary {
  flex: 1; padding: 16px 24px;
  background: linear-gradient(135deg, #047857 0%, #065f46 100%);
  color: #fff;
  border: none; border-radius: 14px;
  font-family: var(--font); font-weight: 700; font-size: 15px;
  cursor: pointer; box-shadow: var(--shadow-green);
  transition: transform .1s, box-shadow .2s, background .2s;
  letter-spacing: .2px;
  position: relative;
}
.btn-primary::before {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.15), transparent 50%);
  pointer-events: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px rgba(5,150,105,.5), 0 4px 8px rgba(5,150,105,.2);
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-reset {
  width: 56px; height: 56px;
  background: #fff;
  border: 1.5px solid var(--gray-200);
  border-radius: 14px;
  cursor: pointer; font-size: 20px;
  transition: all .15s;
  color: var(--gray-600);
}
.btn-reset:hover {
  border-color: var(--red-500);
  color: var(--red-500);
  background: #fff5f5;
}

/* ====== MODEL TANLOVCHI ====== */
.model-switcher {
  margin-top: 18px; padding: 16px;
  background: #fafbfc;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
}
.ms-label {
  font-size: 11px; font-weight: 700; color: var(--gray-500);
  letter-spacing: 1px; text-transform: uppercase;
  text-align: center; margin-bottom: 12px;
}
.ms-tabs {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.ms-tab {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 12px 8px;
  background: #fff; border: 1.5px solid var(--gray-200);
  border-radius: 12px; cursor: pointer;
  font-family: var(--font); font-size: 11px;
  color: var(--gray-700); font-weight: 700;
  transition: all .15s; text-align: center;
}
.ms-tab .ms-ic {
  font-size: 22px; line-height: 1;
  filter: grayscale(.3);
  transition: filter .15s;
}
.ms-tab .ms-name { line-height: 1.2; letter-spacing: .1px; }
.ms-tab:hover {
  border-color: var(--green-500); color: var(--green-700);
  transform: translateY(-1px);
  background: var(--green-50);
}
.ms-tab:hover .ms-ic { filter: grayscale(0); }
.ms-tab.active {
  background: linear-gradient(135deg, #047857 0%, #065f46 100%);
  border-color: #047857; color: #fff;
  box-shadow: 0 6px 16px -4px rgba(5,150,105,.4);
}
.ms-tab.active .ms-ic { filter: grayscale(0) brightness(1.2); }

/* ====== NATIJA (zamonaviy karta) ====== */
.result-area { grid-column: 1 / -1; }
.result-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid;
  animation: slideUp .4s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
.result-card::before {
  content: ""; position: absolute; top: 0; right: 0;
  width: 240px; height: 240px;
  background: radial-gradient(circle, currentColor 0%, transparent 70%);
  opacity: .04; pointer-events: none;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.res-header { display: flex; align-items: center; gap: 20px; margin-bottom: 22px; position: relative; }
.res-icon {
  width: 76px; height: 76px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
  box-shadow: 0 8px 24px -8px currentColor, inset 0 1px 0 rgba(255,255,255,.3);
}
.res-info { flex: 1; }
.res-title { font-size: 26px; font-weight: 800; letter-spacing: -.6px; }
.res-desc { color: var(--gray-600); font-size: 14px; margin-top: 6px; line-height: 1.55; }

.res-bars { display: grid; gap: 12px; margin: 22px 0; }
.res-bar-row { display: grid; grid-template-columns: 120px 1fr 60px; align-items: center; gap: 12px; }
.res-bar-label { font-size: 13px; font-weight: 700; letter-spacing: .1px; }
.bar-bg {
  height: 22px; background: var(--gray-100);
  border-radius: 999px; overflow: hidden; position: relative;
}
.bar-fill {
  height: 100%; border-radius: 999px;
  transition: width .9s cubic-bezier(.4,0,.2,1);
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 10px; color: #fff; font-size: 11px; font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.res-bar-pct { font-family: var(--mono); font-size: 13px; font-weight: 700; text-align: right; letter-spacing: -.3px; }

.res-meta {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0;
  padding: 18px; background: #fafbfc;
  border: 1px solid #f1f5f9;
  border-radius: 14px; margin-top: 18px;
}
.res-meta-item { text-align: center; padding: 0 12px; border-right: 1px solid #e5e7eb; }
.res-meta-item:last-child { border-right: none; }
.res-meta-label { font-size: 11px; color: var(--gray-500); font-weight: 600; letter-spacing: .3px; text-transform: uppercase; }
.res-meta-value { font-size: 18px; font-weight: 800; color: var(--gray-900); margin-top: 4px; font-family: var(--mono); letter-spacing: -.3px; }

.res-alert {
  margin-top: 18px; padding: 16px 18px;
  background: linear-gradient(135deg, #fef2f2, #fff);
  border: 1px solid #fecaca;
  border-left: 4px solid var(--red-600);
  border-radius: 12px;
  display: flex; align-items: center; gap: 14px;
}
.res-alert-icon { font-size: 26px; flex-shrink: 0; }
.res-alert-text { font-size: 13px; color: var(--red-700); font-weight: 600; line-height: 1.5; }

/* ====== FOOTER ====== */
.footer {
  text-align: center; padding: 22px 20px;
  background: #fff; border-top: 1px solid #f1f5f9;
  font-size: 13px; color: var(--gray-600);
}
.footer-uni { color: #1e40af; font-weight: 700; }
.footer-lab { color: var(--green-700); font-weight: 700; }
.footer-copy { font-size: 11px; color: var(--gray-400); margin-top: 6px; letter-spacing: .2px; }

/* ====== RESPONSIVE ====== */
@media (max-width: 980px) {
  .form-grid { grid-template-columns: 1fr; }
  .grid4 { grid-template-columns: 1fr 1fr; }
  .header-title { font-size: 14px; }
}
@media (max-width: 600px) {
  .grid3, .grid4 { grid-template-columns: 1fr 1fr; }
  .symp-grid { grid-template-columns: 1fr; }
  .header { height: 60px; padding: 0 14px; }
  .brand-text { display: none; }
  .header-title { font-size: 12px; }
  .res-bar-row { grid-template-columns: 80px 1fr 50px; }
  .res-meta { grid-template-columns: 1fr; }
  .main { padding: 16px 12px 40px; }
  .card { padding: 18px; }
}

/* ================ TIL TANLOVCHI ================ */
.lang-switch {
  position: relative;
  margin-right: 8px;
  z-index: 30;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  letter-spacing: 0.4px;
}
.lang-btn:hover { background: rgba(255, 255, 255, 0.25); border-color: rgba(255,255,255,.4); }
.lang-cur { white-space: nowrap; }
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 170px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 6px;
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
  gap: 2px;
}
.lang-menu.show { display: flex; }
.lang-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--txt);
  font-weight: 600;
  font-size: 14px;
  transition: background .12s;
}
.lang-item:hover { background: var(--green-50); color: var(--green-700); }
.lang-item.active { background: var(--green-100); color: var(--green-800); }
.lang-flag { font-size: 18px; }

body.dark .lang-menu {
  background: var(--bg-card);
  border-color: var(--border);
}
body.dark .lang-item { color: var(--txt); }
body.dark .lang-item:hover { background: rgba(16,185,129,.1); }
body.dark .lang-item.active { background: rgba(16,185,129,.2); color: #6ee7b7; }

@media (max-width: 700px) {
  .lang-btn { padding: 6px 10px; font-size: 12px; }
  .lang-menu { right: -10px; }
}