:root{--bg:#f7f8fc;--card:#fff;--text:#171923;--muted:#6f7481;--line:#e7e9ef;--accent:#5b45e8;--accent2:#7a62ff;--danger:#d93d4f}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}.wrap{width:min(1080px,calc(100% - 32px));margin:auto}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center}.nav{display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:20px;display:flex;align-items:center;gap:10px}.logo{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--accent);color:#fff}.admin-link{font-weight:700;color:#565b69}
.hero{max-width:820px;margin:80px auto;text-align:center}.badge{display:inline-block;font-size:11px;letter-spacing:1.5px;font-weight:800;color:var(--accent);background:#eeebff;border-radius:99px;padding:8px 12px}.hero h1{font-size:clamp(38px,7vw,70px);line-height:1.02;letter-spacing:-3px;margin:18px 0}.hero h1 span{color:var(--accent)}.hero>p{color:var(--muted);font-size:18px;line-height:1.65;max-width:650px;margin:0 auto 30px}
.upload-card,.table-card,.auth-card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 18px 50px rgba(27,30,45,.07)}.upload-card{padding:18px}.dropzone{border:2px dashed #d9d5fb;border-radius:18px;min-height:220px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;cursor:pointer;background:#fbfaff}.dropzone:hover{background:#f7f5ff}.dropzone input{display:none}.upload-icon{width:58px;height:58px;border-radius:18px;background:#eeebff;color:var(--accent);display:grid;place-items:center;font-size:30px;font-weight:800}.dropzone strong{font-size:18px}.dropzone small{color:var(--muted)}.btn{border:0;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800;border-radius:13px;padding:15px 24px;font-size:15px;cursor:pointer;width:100%;margin-top:16px}.btn.small{width:auto;margin:0}.alert{margin:15px 0;padding:14px 16px;border-radius:12px;text-align:left;font-size:14px;word-break:break-word}.success{background:#eaf9ef;color:#23783d}.error{background:#fff0f1;color:#a52738}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:left;margin-top:20px}.features>div{background:#fff;border:1px solid var(--line);padding:18px;border-radius:16px;display:flex;gap:12px}.features b{font-size:20px}.features span{display:flex;flex-direction:column;gap:4px}.features small{color:var(--muted);line-height:1.4}footer{text-align:center;color:#8a8e99;padding:30px 15px 45px;font-size:13px}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(430px,100%);padding:28px}.auth-card h1{margin-top:0}.auth-card p{color:var(--muted)}label{display:block;font-weight:700;margin:16px 0}label input{display:block;width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:11px;margin-top:7px;font:inherit}.back{display:block;text-align:center;color:var(--muted);margin-top:18px}
.admin-page{padding:50px 0}.admin-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}.admin-head h1{margin:8px 0 4px}.admin-head p{margin:0;color:var(--muted)}.table-scroll{overflow:auto}.table-card{overflow:hidden}table{border-collapse:collapse;width:100%;min-width:720px}th,td{padding:17px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}th{background:#fafbfe;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.6px}td small{display:block;color:var(--muted);margin-top:4px}.actions{display:flex;align-items:center;gap:12px}.actions a{color:var(--accent);font-weight:700}.actions form{margin:0}.danger{border:0;background:#fff0f1;color:var(--danger);font-weight:700;padding:8px 10px;border-radius:9px;cursor:pointer}.empty{text-align:center;color:var(--muted);padding:45px}
@media(max-width:700px){.wrap{width:min(100% - 22px,1080px)}.hero{margin:48px auto}.hero h1{letter-spacing:-2px}.features{grid-template-columns:1fr}.topbar{height:62px}.admin-head{align-items:start;gap:15px}.admin-page{padding:30px 0}}