/* ============================================
   CSS BLOCK 01: RESET & VARIABLES
   ============================================ */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0f1117;--sf:#1a1b23;--cd:#22232e;--bd:#2a2b35;
  --tx:#e1e1e6;--t2:#999;
  --ac:#6c5ce7;--a2:#a29bfe;
  --gn:#00b894;--rd:#e17055;--yl:#fdcb6e;--bl:#74b9ff
}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--tx);overflow:hidden;height:100vh}

/* ============================================
   CSS BLOCK 02: LOGIN PAGE
   ============================================ */
.login-bg{position:fixed;inset:0;background:linear-gradient(135deg,#0f1117,#1a1035,#0f1117);display:flex;align-items:center;justify-content:center;z-index:1000}
.login-bg.h{display:none}
.lbox{background:var(--sf);border:1px solid var(--bd);border-radius:20px;padding:48px 40px;width:400px;max-width:90vw;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lbox h1{font-size:28px;margin-bottom:4px;color:#fff}
.lbox h1 b{color:var(--ac)}
.lbox .sub{color:var(--t2);margin-bottom:32px;font-size:14px}
.lbox input{width:100%;padding:14px 18px;background:var(--cd);border:1px solid var(--bd);border-radius:12px;color:var(--tx);font-size:15px;margin-bottom:12px;outline:none}
.lbox input:focus{border-color:var(--ac)}
.lbox .lb{width:100%;padding:14px;background:rgba(108,92,231,.6);color:#fff;border:1px solid rgba(108,92,231,.3);border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;margin-top:8px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 4px 16px rgba(108,92,231,.35),inset 0 1px 0 rgba(255,255,255,.12);transition:all .2s}
.lbox .lb:hover{background:rgba(108,92,231,.75);box-shadow:0 6px 24px rgba(108,92,231,.45),inset 0 1px 0 rgba(255,255,255,.15);transform:translateY(-1px)}
.lerr{color:var(--rd);font-size:13px;margin-top:12px;display:none}