:root{--bg:#090b10;--panel:#11141b;--panel2:#171b24;--line:#242a36;--text:#f5f7fb;--muted:#8f98aa;--accent:#9b7cff;--accent2:#6f5cff;--good:#53d49a;--danger:#ff6874}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:235px;background:#0d0f14;border-right:1px solid var(--line);padding:22px 14px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}.side-brand,.brand{font-size:19px;font-weight:800;display:flex;gap:9px;align-items:center}.brand span:last-child span,.side-brand span:last-child span{color:var(--accent)}.brandmark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#b49cff,#6c57ff);display:grid;place-items:center;color:#fff;font-weight:900}.side-brand{padding:0 10px 28px}.sidebar nav{display:grid;gap:6px}.sidebar nav a,.side-bottom a{padding:12px 13px;border-radius:10px;color:#a9b0bf;font-size:14px;display:flex;gap:11px;align-items:center}.sidebar nav a:hover,.side-bottom a:hover{background:#171a22;color:#fff}.sidebar i{font-style:normal;width:18px}.side-bottom{margin-top:auto;display:grid;gap:4px}.main{margin-left:235px;width:calc(100% - 235px);padding:34px 42px;max-width:1500px}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.page-head h1{margin:0;font-size:28px}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:11px 17px;font-weight:700;border:1px solid var(--line);font-size:14px}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.ghost{background:#12151c;color:#e9ebf1}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}.metric{font-size:28px;font-weight:800;margin-top:8px}.metric small{font-size:12px;color:var(--muted);font-weight:500}.label{font-size:13px;color:var(--muted)}.two{display:grid;grid-template-columns:1.45fr 1fr;gap:16px;margin-top:18px}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.tool{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:17px}.tool b{display:block;margin-bottom:7px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:13px;border-bottom:1px solid var(--line);font-size:13px}.table th{color:var(--muted);font-weight:600}.progress{height:8px;background:#252a35;border-radius:10px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#c2aaff)}input,textarea,select{width:100%;background:#0c0f15;border:1px solid var(--line);color:#fff;border-radius:9px;padding:12px;outline:none}textarea{min-height:140px;resize:vertical}.form{display:grid;gap:12px}.result{padding:14px;background:#0d1016;border:1px solid var(--line);border-radius:10px}.pill{display:inline-block;padding:6px 10px;background:#201c36;color:#c9baff;border-radius:999px;font-size:12px}.flash,.alert{padding:12px 14px;border-radius:9px;margin-bottom:15px;background:#152a22;color:#9af0c5}.flash.error,.alert{background:#32181d;color:#ffabb2}.landing{min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;padding:22px 6vw}.hero{max-width:900px;margin:80px auto 55px;text-align:center;padding:0 20px}.hero h1{font-size:64px;line-height:1.03;margin:18px 0}.hero h1 em{font-style:normal;color:var(--accent)}.hero p{color:var(--muted);font-size:18px;line-height:1.7;max-width:720px;margin:auto}.hero-actions{display:flex;gap:10px;justify-content:center;margin:28px}.hero-note{font-size:12px;color:#697386}.feature-grid{max-width:1100px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:20px}.feature-grid>div{background:var(--panel);border:1px solid var(--line);padding:22px;border-radius:14px}.feature-grid p{color:var(--muted);line-height:1.6;font-size:13px}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:420px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:35px;text-align:center}.center{justify-content:center}.auth-card h1{margin:25px 0 8px}.auth-card p{color:var(--muted)}.google-btn{display:flex;align-items:center;justify-content:center;gap:12px;background:#fff;color:#111;border-radius:9px;padding:13px;margin:24px 0;font-weight:700}.small{font-size:12px;color:var(--muted);line-height:1.6}.back{display:block;margin-top:25px;color:#aaa;font-size:13px}.admin-nav{display:flex;gap:8px;margin-bottom:20px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.code{font-family:ui-monospace,monospace;background:#0b0d12;border:1px solid var(--line);padding:14px;border-radius:9px;white-space:pre-wrap}.empty{padding:35px;text-align:center;color:var(--muted)}@media(max-width:950px){.sidebar{width:70px}.side-brand span:last-child,.sidebar nav a:not(:has(i)),.sidebar nav a{font-size:0}.sidebar nav a i{font-size:17px}.side-bottom a{font-size:0}.main{margin-left:70px;width:calc(100% - 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