/* css/styles.css — Кардиология-Аритмология СППР */

:root {
  --bg: #0a0c10;
  --surface: #12151c;
  --surface2: #181c26;
  --surface3: #1e2330;
  --border: #272d3b;
  --border-hover: #3b82f6;
  --text: #e8eaf0;
  --text-muted: #a0a8b8;
  --text-dim: #626a7a;
  --accent: #3b82f6;
  --accent-soft: rgba(59,130,246,0.12);
  --danger: #ef4444;
  --danger-soft: rgba(239,68,68,0.1);
  --warning: #f59e0b;
  --warning-soft: rgba(245,158,11,0.1);
  --success: #10b981;
  --success-soft: rgba(16,185,129,0.1);
  --purple: #8b5cf6;
  --purple-soft: rgba(139,92,246,0.1);
  --cyan: #06b6d4;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.5);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  --transition: 0.2s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:var(--font); background:var(--bg); color:var(--text); min-height:100vh; line-height:1.55; -webkit-font-smoothing:antialiased; }

/* Header */
.header { background:linear-gradient(180deg, var(--surface2), var(--surface)); border-bottom:1px solid var(--border); padding:14px 0; }
.header-inner { max-width:1020px; margin:0 auto; padding:0 24px; display:flex; align-items:center; gap:14px; }
.header-inner > span { font-size:1.6em; filter:drop-shadow(0 0 8px rgba(239,68,68,0.4)); }
.header h1 { font-size:1.15em; font-weight:700; letter-spacing:-0.3px; background:linear-gradient(135deg,var(--text),var(--accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.header-subtitle { font-size:0.75em; color:var(--text-dim); margin-top:1px; }

/* Navigation */
.nav-tabs { display:flex; gap:3px; padding:10px 24px; max-width:1020px; margin:0 auto; overflow-x:auto; -webkit-overflow-scrolling:touch; background:var(--surface); position:sticky; top:0; left:0; right:0; z-index:999; border-bottom:1px solid var(--border); scrollbar-width:none; }
.nav-tabs::-webkit-scrollbar { display:none; }
.nav-tab { padding:7px 13px; border:1px solid transparent; border-radius:var(--radius-sm); background:transparent; color:var(--text-dim); cursor:pointer; font-size:0.78em; font-family:var(--font); font-weight:500; white-space:nowrap; transition:all var(--transition); position:relative; }
.nav-tab:hover { background:var(--surface3); color:var(--text-muted); }
.nav-tab.active { background:var(--accent-soft); border-color:rgba(59,130,246,0.3); color:var(--accent); font-weight:600; }
.nav-tab.active::after { content:''; position:absolute; bottom:-1px; left:20%; right:20%; height:2px; background:var(--accent); border-radius:1px; }

/* Main */
.main { max-width:1020px; margin:0 auto; padding:20px 24px 60px; }

/* Sections */
.section { display:none; animation:fadeIn 0.3s ease; }
.section.active { display:block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px);} to{opacity:1;transform:translateY(0);} }
.section-title { font-size:1.1em; font-weight:700; margin-bottom:18px; padding-bottom:12px; border-bottom:2px solid var(--accent); display:flex; align-items:center; gap:10px; }
.section-title .icon { font-size:1.15em; }

/* Cards */
.card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:18px 20px; margin-bottom:14px; box-shadow:var(--shadow); transition:border-color var(--transition); }
.card:hover { border-color:#363d4e; }
.card-title { font-size:0.8em; font-weight:600; color:var(--accent); text-transform:uppercase; letter-spacing:0.6px; margin-bottom:14px; padding-bottom:8px; border-bottom:1px solid var(--border); }

/* Form */
.form-row { display:grid; grid-template-columns:repeat(auto-fill,minmax(190px,1fr)); gap:12px; margin-bottom:12px; }
.form-row-2 { grid-template-columns:1fr 1fr; }
.form-row-3 { grid-template-columns:1fr 1fr 1fr; }
.form-row-4 { grid-template-columns:1fr 1fr 1fr 1fr; }
.form-group { display:flex; flex-direction:column; gap:4px; }
.form-group label { font-size:0.78em; color:var(--text-muted); font-weight:500; }
.form-group input, .form-group select { background:var(--surface3); border:1px solid var(--border); border-radius:var(--radius-sm); padding:8px 11px; color:var(--text); font-family:var(--font); font-size:0.88em; transition:all var(--transition); width:100%; outline:none; }
.form-group input:focus, .form-group select:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.form-group input::placeholder { color:var(--text-dim); }
.form-group input[readonly] { background:var(--surface2); color:var(--accent); font-weight:600; border-style:dashed; }
.form-group select { cursor:pointer; }
.auto-badge { display:inline-block; background:var(--accent-soft); color:var(--accent); font-size:0.62em; padding:1px 5px; border-radius:3px; margin-left:4px; font-weight:700; letter-spacing:0.5px; vertical-align:middle; }

/* Search */
.search-wrapper { position:relative; }
.search-input { width:100%; background:var(--surface3); border:1px solid var(--border); border-radius:var(--radius-sm); padding:10px 14px; color:var(--text); font-family:var(--font); font-size:0.88em; outline:none; transition:all var(--transition); }
.search-input:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.search-input::placeholder { color:var(--text-dim); }
.search-dropdown { position:absolute; top:100%; left:0; right:0; background:var(--surface2); border:1px solid var(--border); border-top:none; border-radius:0 0 var(--radius-sm) var(--radius-sm); max-height:260px; overflow-y:auto; z-index:50; display:none; box-shadow:var(--shadow-lg); }
.search-dropdown.open { display:block; }
.search-option { padding:9px 14px; cursor:pointer; font-size:0.83em; border-bottom:1px solid rgba(255,255,255,0.04); display:flex; gap:10px; transition:background var(--transition); }
.search-option:hover { background:var(--surface3); }
.search-option:last-child { border-bottom:none; }
.search-option .code { color:var(--accent); font-family:var(--mono); font-size:0.88em; min-width:55px; font-weight:600; }
.search-option .name { color:var(--text); }

/* Tags */
.tag-list { display:flex; flex-wrap:wrap; gap:6px; margin-top:10px; }
.tag { display:inline-flex; align-items:center; gap:6px; background:var(--accent-soft); border:1px solid rgba(59,130,246,0.2); color:var(--accent); padding:4px 10px; border-radius:var(--radius-sm); font-size:0.78em; transition:all var(--transition); }
.tag:hover { border-color:var(--accent); }
.tag .tag-code { font-family:var(--mono); font-weight:600; }
.tag .tag-remove { cursor:pointer; opacity:0.5; font-weight:700; font-size:1.1em; transition:all var(--transition); line-height:1; }
.tag .tag-remove:hover { opacity:1; color:var(--danger); }

/* Checkboxes */
.check-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(270px,1fr)); gap:6px; }
.check-item { display:flex; align-items:flex-start; gap:10px; padding:9px 12px; background:var(--surface3); border:1px solid var(--border); border-radius:var(--radius-sm); cursor:pointer; transition:all var(--transition); font-size:0.83em; line-height:1.4; }
.check-item:hover { border-color:#4a5068; background:var(--surface2); }
.check-item.checked { background:var(--accent-soft); border-color:rgba(59,130,246,0.35); }
.check-item input[type="checkbox"] { accent-color:var(--accent); width:16px; height:16px; margin-top:1px; flex-shrink:0; cursor:pointer; }
.check-item label { cursor:pointer; flex:1; color:var(--text); }

/* Score panels */
.score-panel { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:18px; margin-bottom:14px; position:relative; overflow:hidden; }
.score-panel .score-bar { position:absolute; top:0; left:0; right:0; height:3px; }
.score-value { font-size:2.2em; font-weight:800; font-family:var(--mono); margin-bottom:4px; }
.score-interpretation { font-size:0.9em; line-height:1.6; }

/* Unit toggle */
.unit-toggle { display:inline-flex; border:1px solid var(--border); border-radius:4px; overflow:hidden; margin-left:6px; vertical-align:middle; }
.unit-toggle button { padding:2px 8px; background:var(--surface3); border:none; color:var(--text-dim); font-size:0.72em; cursor:pointer; font-family:var(--font); transition:all var(--transition); }
.unit-toggle button.active { background:var(--accent); color:#fff; }
.unit-toggle button:hover:not(.active) { background:var(--surface2); }

/* Scrollbar */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--text-dim); }
::selection { background:rgba(59,130,246,0.3); color:var(--text); }


/* Validation states */
.form-group input.val-normal { border-color: var(--success); background: rgba(16,185,129,0.06); }
.form-group input.val-warning { border-color: var(--warning); background: rgba(245,158,11,0.06); }
.form-group input.val-critical { border-color: var(--danger); background: rgba(239,68,68,0.08); animation: pulseBorder 2s ease infinite; }
@keyframes pulseBorder { 0%,100%{box-shadow:0 0 0 0 rgba(239,68,68,0.3);} 50%{box-shadow:0 0 0 3px rgba(239,68,68,0.15);} }
.val-hint { font-size: 0.68em; margin-top: 2px; font-weight: 500; }
.val-hint.normal { color: var(--success); }
.val-hint.warning { color: var(--warning); }
.val-hint.critical { color: var(--danger); }

/* Tab fill indicators */
.nav-tab .tab-dot { display:inline-block; width:6px; height:6px; border-radius:50%; margin-left:5px; vertical-align:middle; transition:background 0.2s; }
.nav-tab .tab-dot.empty { background:var(--text-dim); opacity:0.3; }
.nav-tab .tab-dot.filled { background:var(--success); box-shadow:0 0 4px rgba(16,185,129,0.5); }
.nav-tab .tab-dot.has-issues { background:var(--warning); box-shadow:0 0 4px rgba(245,158,11,0.4); }

/* Radio & required */
.check-item input[type="radio"] { accent-color:var(--accent); width:16px; height:16px; margin-top:1px; flex-shrink:0; cursor:pointer; }
.form-group label .req { color:var(--danger); font-weight:700; margin-left:2px; font-size:0.9em; }

/* ══════════════════════════════════════════
   МОБИЛЬНАЯ АДАПТАЦИЯ
   ══════════════════════════════════════════ */

/* Tablet */
@media (max-width: 768px) {
  .header { padding: 10px 0; }
  .header-inner { padding: 0 14px; gap: 10px; }
  .header-inner > span { font-size: 1.3em; }
  .header h1 { font-size: 1em; }
  .nav-tabs { padding: 8px 10px; gap: 2px; }
  .nav-tab { padding: 6px 10px; font-size: 0.73em; }
  .main { padding: 14px 14px 80px; }
  .card { padding: 14px 14px; margin-bottom: 10px; }
  .card-title { font-size: 0.75em; margin-bottom: 10px; padding-bottom: 6px; }
  .section-title { font-size: 1em; margin-bottom: 14px; }
  .form-row, .form-row-2, .form-row-3, .form-row-4 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .form-group label { font-size: 0.73em; }
  .form-group input, .form-group select { padding: 10px 10px; font-size: 0.88em; }
  .check-grid { grid-template-columns: 1fr; gap: 5px; }
  .check-item { padding: 10px 12px; font-size: 0.83em; }
  .check-item input[type="checkbox"], .check-item input[type="radio"] { width: 18px; height: 18px; }
  .search-input { padding: 11px 12px; }
  .tag { padding: 5px 10px; font-size: 0.75em; }
}

/* Phone */
@media (max-width: 480px) {
  .header-inner { padding: 0 10px; }
  .header h1 { font-size: 0.92em; }
  .nav-tabs { padding: 6px 8px; gap: 1px; }
  .nav-tab { padding: 5px 7px; font-size: 0.68em; border-radius: 4px; }
  .nav-tab .tab-dot { width: 5px; height: 5px; margin-left: 3px; }
  .main { padding: 10px 10px 80px; }
  .card { padding: 12px 12px; border-radius: 8px; }
  .section-title { font-size: 0.95em; padding-bottom: 8px; margin-bottom: 12px; }
  .form-row, .form-row-2, .form-row-3, .form-row-4 { grid-template-columns: 1fr; gap: 8px; margin-bottom: 8px; }
  .form-group input, .form-group select { padding: 11px 10px; font-size: 0.9em; border-radius: 8px; min-height: 42px; }
  .check-item { padding: 12px 12px; border-radius: 8px; min-height: 44px; }
  .check-item input[type="checkbox"], .check-item input[type="radio"] { width: 20px; height: 20px; margin-top: 0; }
  .check-item label { font-size: 0.85em; line-height: 1.4; }
  .search-input { padding: 12px; font-size: 0.9em; min-height: 44px; }
  .tag-list { gap: 5px; }
  .tag { font-size: 0.73em; padding: 4px 8px; }
  .score-value { font-size: 1.8em; }
  .score-interpretation { font-size: 0.85em; }
  .unit-toggle button { padding: 3px 6px; font-size: 0.68em; }
  .auto-badge { font-size: 0.58em; padding: 1px 4px; }
  .val-hint { font-size: 0.65em; }
  /* Toolbar */
  .main > div:first-child { gap: 6px !important; }
  .main > div:first-child button,
  .main > div:first-child label { padding: 8px 10px !important; font-size: 0.75em !important; flex: 1; text-align: center; min-height: 40px; display: flex !important; align-items: center; justify-content: center; }
}

/* Very small phones */
@media (max-width: 360px) {
  .nav-tab { padding: 4px 5px; font-size: 0.62em; }
  .main { padding: 8px 8px 80px; }
  .card { padding: 10px 10px; }
  .form-group input, .form-group select { font-size: 0.88em; padding: 10px 8px; }
}

/* Safe area (notch) */
@supports (padding: env(safe-area-inset-top)) {
  .header { padding-top: env(safe-area-inset-top); }
  .main { padding-bottom: calc(60px + env(safe-area-inset-bottom)); padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right); }
}

/* Touch improvements */
@media (hover: none) and (pointer: coarse) {
  .check-item { min-height: 48px; }
  .form-group input, .form-group select { min-height: 44px; }
  .nav-tab { min-height: 36px; }
  .search-option { padding: 12px 14px; min-height: 44px; }
  .tag .tag-remove { padding: 4px 6px; font-size: 1.3em; }
}

/* Print */
@media print {
  body { background: #fff; color: #000; }
  .header, .nav-tabs, .main > div:first-child { display: none; }
  .section { display: block !important; }
  .card { border: 1px solid #ccc; box-shadow: none; background: #fff; page-break-inside: avoid; }
  .check-item { background: #f9f9f9; border-color: #ddd; }
  .check-item.checked { background: #e8f4fd; }
}