/* Elegant dark theme, accessible and responsive */
:root{
  --bg:#0f1216;--bg-elev:#171b21;--bg-muted:#12161b;--text:#e6e9ee;--muted:#97a0ad;--accent:#3a82f7;--accent-2:#2b64c6;--danger:#ff5c73;--success:#2ecc71;--border:#242a33;--shadow:0 8px 24px rgba(0,0,0,0.45);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}
img{display:inline-block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-elev);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.brand{display:flex;gap:12px;align-items:center}
.brand img{border-radius:6px}
.brand-text h1{font-size:18px;margin:0}
.brand-text .subtitle{margin:0;color:var(--muted);font-size:13px}
.header-actions{display:flex;gap:8px}

.container{max-width:1100px;margin:0 auto;padding:20px;display:grid;gap:16px}
.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:var(--shadow)}
.card.muted{opacity:.8}

.grid-form{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.form-control{display:flex;flex-direction:column;gap:8px}
label{font-weight:600}
input[type=text],input[type=number],input[type=password],input[type=url],select{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 12px;outline:none}
input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(58,130,247,0.2)}
small{color:var(--muted)}

.switch{display:flex;align-items:center;gap:8px}
.switch input[type=checkbox]{width:18px;height:18px}

.btn{background:var(--bg);color:var(--text);border:1px solid var(--border);padding:10px 14px;border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:linear-gradient(180deg,var(--accent),var(--accent-2));border-color:transparent}
.btn.ghost{background:transparent}
.btn.xs{padding:6px 8px;font-size:12px;border-radius:8px}
.form-actions{display:flex;gap:10px;align-items:center}

.alert{border-radius:12px;padding:12px 14px}
.alert.error{background:#2a1116;border:1px solid #5d1d2a;color:#ffb3bf}
.alert.success{background:#102416;border:1px solid #1f6e3a;color:#b6ffd0}

.grid-results{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.result-card{background:var(--bg-muted);border:1px solid var(--border);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px}
.result-header{display:flex;align-items:center;justify-content:space-between}
.result-stats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.result-stats li{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px}
.result-stats span{display:block;color:var(--muted);font-size:12px}
.result-stats strong{font-size:14px}
.result-actions{margin-top:8px;display:flex;gap:8px}
.ai-summary{margin-top:12px;padding:12px;border:1px dashed var(--border);border-radius:10px;background:rgba(58,130,247,0.06)}
.disclaimer{margin-top:10px;color:var(--muted);font-size:12px}

.history{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.history li{display:flex;gap:8px;align-items:center;justify-content:space-between;background:var(--bg-muted);border:1px solid var(--border);border-radius:10px;padding:8px 10px}
.history .time{color:var(--muted);font-size:12px}
.history .desc{flex:1}

.app-footer{padding:20px;text-align:center;color:var(--muted)}
.app-footer .sep{opacity:.4;margin:0 6px}

.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:var(--bg-elev);border:1px solid var(--border);color:var(--text);padding:8px 12px;border-radius:10px;opacity:0;pointer-events:none;transition:opacity .2s ease}
.toast.show{opacity:1}

@media (prefers-reduced-motion: reduce){
  *{transition:none!important}
}