:root{--bg:#0b0c10;--surface:#151821;--text:#e8eef2;--muted:#a8b3bd;--primary:#6ee7b7;--primary-ink:#0b3b2e;--accent:#93c5fd;--danger:#fca5a5;--ring:rgba(147,197,253,.35);--border:#222633;--chip:#1e2230;--shadow:0 6px 24px rgba(0,0,0,.25)}
@media(prefers-color-scheme:light){:root{--bg:#f6f7fb;--surface:#fff;--text:#0b0c10;--muted:#505866;--primary:#0ea5e9;--primary-ink:#062236;--accent:#10b981;--danger:#ef4444;--ring:rgba(14,165,233,.35);--border:#e5e7eb;--chip:#f1f5f9;--shadow:0 8px 28px rgba(0,0,0,.08)}}
:root[data-theme="light"]{--bg:#f6f7fb;--surface:#fff;--text:#0b0c10;--muted:#505866;--primary:#0ea5e9;--primary-ink:#062236;--accent:#10b981;--danger:#ef4444;--ring:rgba(14,165,233,.35);--border:#e5e7eb;--chip:#f1f5f9;--shadow:0 8px 28px rgba(0,0,0,.08)}
:root[data-theme="dark"]{--bg:#0b0c10;--surface:#151821;--text:#e8eef2;--muted:#a8b3bd;--primary:#6ee7b7;--primary-ink:#0b3b2e;--accent:#93c5fd;--danger:#fca5a5;--ring:rgba(147,197,253,.35);--border:#222633;--chip:#1e2230;--shadow:0 6px 24px rgba(0,0,0,.25)}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;text-rendering:optimizeLegibility}
h1,h2,h3{margin:0 0 .5rem}
h1{font-size:1.6rem}
h2{font-size:1.25rem}
h3{font-size:1.05rem}
.muted{color:var(--muted)}
.container{max-width:1100px;margin:0 auto;padding:16px}
.app-header{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,var(--surface),transparent);backdrop-filter:saturate(1.1) blur(6px)}
.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:12px}
.logo{font-size:1.6rem}
.app-tagline{margin:2px 0 0;color:var(--muted);font-size:.95rem}
.header-actions{display:flex;gap:8px}
.icon-btn{background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:10px;cursor:pointer;transition:.2s;box-shadow:none}
.icon-btn:hover{border-color:var(--accent);box-shadow:0 0 0 4px var(--ring)}
.stepper{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0 16px}
.stepper-item{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);padding:10px 12px;border-radius:12px;color:var(--text);cursor:pointer}
.stepper-item .step-index{display:inline-grid;place-content:center;width:26px;height:26px;border-radius:50%;background:var(--chip);border:1px solid var(--border);font-weight:600}
.stepper-item.active,.stepper-item:hover{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px var(--ring)}
.step{display:none}
.step.active{display:block}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;margin:10px 0;box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:6px;margin:8px 0}
.field>label{font-weight:600}
.field>input[type="search"],.field>input[type="text"],.field>input[type="number"],.field>input[type="range"]{appearance:none;background:var(--chip);border:1px solid var(--border);border-radius:12px;padding:10px 12px;color:var(--text);outline:0}
input[type="range"]{height:36px}
input[type="number"]{width:110px}
.hint{color:var(--muted);font-size:.9rem}
.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;margin-top:8px}
.btn-primary,.btn-secondary,.btn-link{border-radius:12px;padding:10px 14px;font-weight:700;cursor:pointer;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--primary-ink)}
.btn-secondary{background:var(--chip);border-color:var(--border);color:var(--text)}
.btn-link{background:transparent;border-color:transparent;color:var(--accent)}
.btn-primary:hover,.btn-secondary:hover,.btn-link:hover{box-shadow:0 0 0 4px var(--ring)}
.accordion>summary{cursor:pointer;list-style:none;font-weight:700;margin:0 0 6px}
.accordion[open]>summary{color:var(--accent)}
.catalog{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.catalog .group{border:1px dashed var(--border);border-radius:12px;padding:10px}
.group-title{font-weight:700;margin-bottom:8px}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.checks.compact{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.checks label{display:flex;align-items:center;gap:10px;background:var(--chip);border:1px solid var(--border);padding:10px;border-radius:12px;cursor:pointer}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:.25rem 0}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--chip);border:1px solid var(--border);padding:6px 10px;border-radius:999px}
.chip .remove{background:transparent;border:0;cursor:pointer}
.grid.two{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:860px){.grid.two{grid-template-columns:1fr 1fr}}
.ai-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.avatar{font-size:1.6rem}
.ai-content{line-height:1.6}
.ai-content .block{margin:10px 0}
.ai-content h4{margin:10px 0 6px}
.toolbar{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}
.history{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.history .item{background:var(--chip);border:1px solid var(--border);border-radius:12px;padding:10px}
.toast{border:0;padding:10px 14px;border-radius:12px;background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.toast[open]{animation:fadeIn .2s ease-out}
.app-footer{margin-top:20px;padding:16px;border-top:1px solid var(--border);text-align:center;color:var(--muted)}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* Print for PDF */
@media print{.app-header,.app-footer,.stepper,.actions,.toolbar,#history-card{display:none!important}body{background:#fff;color:#000}.card{box-shadow:none;border:0}#ai-output-card{display:block}}