/* CollectApp — clean, playful UI */
*{box-sizing:border-box}
:root{
  --bg:#0c1224; --card:#12182c; --ink:#eef2ff; --muted:#a9b1d6;
  --line:#1f2742; --accent:#ffd54a; --accent2:#40e0d0; --accent3:#7c5cff;
}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Inter,Roboto,Arial}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(12,18,36,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.logo{font-weight:900;letter-spacing:.5px}
.nav{display:flex;gap:10px}
.nav-link{color:var(--ink);text-decoration:none;border:1px solid var(--line);padding:8px 10px;border-radius:10px}
.nav-link:hover{border-color:var(--accent3)}

.hero{background: radial-gradient(600px 240px at 20% 20%, rgba(124,92,255,.25), transparent), radial-gradient(600px 240px at 80% 30%, rgba(64,224,208,.25), transparent); padding:56px 16px}
.hero-inner{max-width:960px;margin:0 auto;text-align:center}
.hero h1{margin:0 0 8px 0;font-size:28px}
.hero p{color:var(--muted)}
.cta{display:inline-block;margin-top:14px;background:linear-gradient(120deg,var(--accent3),var(--accent2));font-weight:800;color:#0b0f1c;text-decoration:none;padding:12px 16px;border-radius:12px}

.container{max-width:1000px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin:12px 0}
.card h2{margin-top:0}
.hint{margin:-4px 0 10px 0;font-size:13px;color:var(--muted)}

input[type=file]{display:block;margin:8px 0;padding:10px;border-radius:10px;border:1px dashed var(--line);background:#0b1020;color:var(--ink)}
button{background:linear-gradient(120deg,var(--accent3),var(--accent2));border:none;color:#0b0f1c;font-weight:800;border-radius:12px;padding:12px 16px;cursor:pointer}
button:disabled{opacity:.6;cursor:not-allowed}

.summary{display:grid;gap:8px}
.why{display:grid;gap:8px}
.why .item{background:#0e1430;border:1px solid var(--line);border-radius:10px;padding:10px}
.candidates{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.candidate{background:#0e1430;border:1px solid var(--line);border-radius:12px;padding:12px;cursor:pointer}
.candidate:hover{outline:2px solid var(--accent3)}

pre{white-space:pre-wrap;word-break:break-word;background:#090f24;border:1px solid var(--line);border-radius:12px;padding:10px;max-height:320px;overflow:auto}
.info em{color:var(--muted)}

.site-footer{text-align:center;color:var(--muted);padding:24px}