:root{
  --bg:#0e1116; --surface:#171c24; --surface2:#1f2631; --border:#2a3340;
  --text:#e8edf3; --muted:#9aa7b8; --accent:#6ee7a0; --accent-dim:#2f8f5b;
  --amber:#ffce54; --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.5}
a{color:var(--accent)}

/* header */
.site-header{background:linear-gradient(180deg,#131a24,#0e1116);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.header-inner{max-width:1100px;margin:0 auto;padding:14px 20px;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:22px;font-weight:800;text-decoration:none;color:var(--text)}
.logo span{color:var(--accent)}
.header-actions{display:flex;gap:8px}
.btn{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:9px 14px;font-size:14px;cursor:pointer;font-weight:600}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:#0a0f0a;border:none;font-size:15px;padding:11px 22px}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.icon-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:10px;width:38px;height:38px;font-size:16px;cursor:pointer}
.icon-btn:hover{border-color:var(--accent)}
.icon-btn.active{color:#ff6b81;border-color:#ff6b81}

/* hero */
.hero{max-width:1100px;margin:0 auto;padding:26px 20px 18px;text-align:center}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 8px;font-weight:800;letter-spacing:-.5px}
.hero h1 em{color:var(--accent);font-style:normal}
.hero p{color:var(--muted);margin:0 0 18px}
.hero code{background:var(--surface2);padding:1px 7px;border-radius:6px;color:var(--amber);font-size:13px}
.search-wrap{position:relative;max-width:560px;margin:0 auto}
#search{width:100%;padding:15px 18px;font-size:16px;border-radius:14px;border:1px solid var(--border);background:var(--surface);color:var(--text);outline:none}
#search:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(110,231,160,.15)}
.search-hint{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:12px}
.search-hint kbd{background:var(--surface2);border:1px solid var(--border);border-radius:5px;padding:1px 7px}

/* categories */
.cats{max-width:1100px;margin:0 auto;padding:4px 20px 16px;display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.cat{padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--muted);font-size:13.5px;font-weight:600;cursor:pointer}
.cat:hover{color:var(--text);border-color:var(--muted)}
.cat.active{background:var(--accent);color:#0a0f0a;border-color:var(--accent)}

/* grid */
main{max-width:1100px;margin:0 auto;padding:10px 20px 60px}
.result-meta{color:var(--muted);font-size:13px;margin:10px 2px 14px;display:flex;gap:10px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:10px;cursor:pointer;transition:transform .12s,border-color .12s}
.card:hover{transform:translateY(-2px);border-color:var(--accent-dim)}
.card-top{display:flex;justify-content:space-between;align-items:center}
.badge{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--accent);background:rgba(110,231,160,.1);padding:4px 10px;border-radius:999px}
.fav{border:none;background:none;font-size:18px;cursor:pointer;color:var(--muted);padding:2px 6px}
.fav.active{color:#ff6b81}
.card h3{margin:0;font-size:16.5px}
.card p{margin:0;color:var(--muted);font-size:13.5px;flex:1}
.card-foot{display:flex;justify-content:flex-end}
.mini-copy{background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:7px 13px;font-size:13px;font-weight:600;cursor:pointer}
.mini-copy:hover{border-color:var(--accent);color:var(--accent)}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}

/* modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.65);display:flex;align-items:flex-start;justify-content:center;padding:5vh 16px;z-index:100;overflow-y:auto}
.modal-backdrop[hidden]{display:none}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:18px;max-width:680px;width:100%;padding:24px;position:relative}
.modal-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:6px}
.modal-head h2{margin:8px 0 4px;font-size:21px}
.modal-head p{margin:0;color:var(--muted);font-size:14px}
.vars{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.var-field{display:flex;flex-direction:column;gap:4px}
.var-field label{font-size:12px;color:var(--amber);font-weight:700}
.var-field input{background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:9px 11px;font-size:14px}
.var-field input:focus{border-color:var(--amber);outline:none}
.prompt-text{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:16px;font-size:14px;white-space:pre-wrap;font-family:ui-monospace,Menlo,Consolas,monospace;max-height:40vh;overflow-y:auto;margin:0}
.modal-foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px}
.copied-tip{margin-top:12px;text-align:center;color:var(--accent);font-weight:600;font-size:14px}

footer{border-top:1px solid var(--border);text-align:center;padding:26px 20px;color:var(--muted);font-size:13.5px}
footer .fine{font-size:12.5px;margin-top:6px}

@media(max-width:560px){.vars{grid-template-columns:1fr}.header-actions .btn{padding:8px 10px;font-size:13px}}

/* prompt of the day */
.potd{margin:18px auto 0;max-width:560px;background:rgba(255,206,84,.07);border:1px solid rgba(255,206,84,.35);border-radius:12px;padding:10px 16px;display:flex;gap:10px;align-items:center;justify-content:center;font-size:14px}
.potd[hidden]{display:none}
.potd-label{color:var(--amber);font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.5px}
.potd-link{background:none;border:none;color:var(--text);font-size:14.5px;font-weight:600;cursor:pointer;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:3px}

/* card buttons */
.card-foot{display:flex;justify-content:flex-end;gap:8px}
.mini-try{background:rgba(110,231,160,.12);border:1px solid var(--accent-dim);color:var(--accent);border-radius:8px;padding:7px 13px;font-size:13px;font-weight:700;cursor:pointer}
.mini-try:hover{background:rgba(110,231,160,.22)}

/* tabs */
.tabs{display:flex;gap:6px;margin:14px 0 4px;border-bottom:1px solid var(--border);padding-bottom:0}
.tab{background:none;border:none;border-bottom:2px solid transparent;color:var(--muted);font-size:14px;font-weight:700;padding:10px 14px;cursor:pointer}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.tabpane{padding-top:14px}
.pane-hint{color:var(--muted);font-size:13.5px;margin:0 0 14px}

/* run with AI */
.run-controls{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.ai-status{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:14px;margin:6px 0 14px}
.ai-status[hidden]{display:none}
.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.ai-output{background:var(--bg);border:1px solid var(--accent-dim);border-radius:12px;padding:16px;font-size:14px;white-space:pre-wrap;font-family:system-ui,sans-serif;max-height:46vh;overflow-y:auto;margin:0}
.ai-output[hidden]{display:none}
.ai-error{background:rgba(255,107,129,.08);border:1px solid rgba(255,107,129,.4);color:#ffb3c0;border-radius:12px;padding:14px 16px;font-size:13.5px;margin-top:12px}
.ai-error[hidden]{display:none}

/* agent mode */
.agent-steps{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.agent-step{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:14px 16px}
.agent-step.working{border-color:var(--amber)}
.agent-step.done{border-color:var(--accent-dim)}
.agent-step-head{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px}
.agent-num{background:var(--surface2);border:1px solid var(--border);width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px}
.agent-step.done .agent-num{background:rgba(110,231,160,.15);border-color:var(--accent-dim);color:var(--accent)}
.agent-state{margin-left:auto}
.agent-body{margin:12px 0 0;font-size:13.5px;white-space:pre-wrap;font-family:system-ui,sans-serif;color:var(--muted);max-height:220px;overflow-y:auto;border-top:1px dashed var(--border);padding-top:10px}
.agent-step.done:last-child .agent-body{color:var(--text)}
.btn:disabled{opacity:.55;cursor:default}