:root{--bg:#0d1414;--card:#141d1d;--card2:#1a2626;--line:#243333;--txt:#e8f0f0;--mut:#7d9494;--acc:#00c489;--acc2:#38bdf8;}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,"Segoe UI",sans-serif;background:var(--bg);color:var(--txt);}
a{color:var(--acc);text-decoration:none}.app{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--card);border-right:1px solid var(--line);padding:18px;display:flex;flex-direction:column;gap:16px}
.sb-brand{font-size:16px;color:#fff}.sidebar nav{display:flex;flex-direction:column;gap:4px}
.sidebar nav a{padding:10px 12px;border-radius:8px;color:var(--mut)}
.sidebar nav a.on,.sidebar nav a:hover{background:var(--card2);color:#fff}
.sb-user{margin-top:auto;font-size:13px;display:flex;flex-direction:column;gap:6px}
.main{flex:1;padding:24px;max-width:1000px}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.page-head h1{font-size:22px;margin:0}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column}
.stat-card span{color:var(--mut);font-size:12px;text-transform:uppercase}
.stat-card b{font-size:26px;margin:6px 0}
.stat-card small{color:var(--acc)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:18px}
.card h3{margin-top:0}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px 6px;border-bottom:1px solid var(--line)}th{color:var(--mut);font-size:12px;text-transform:uppercase}
.badge{padding:3px 9px;border-radius:20px;font-size:11px}
.st-active{background:rgba(0,196,137,.15);color:#2ee6a8}.st-draft{background:var(--card2);color:var(--mut)}
.st-paused{background:rgba(56,189,248,.12);color:#7dd3fc}.st-ended{background:rgba(244,63,94,.12);color:#fb7185}
form{display:flex;flex-direction:column;gap:12px}label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--mut)}
input,select{background:var(--card2);border:1px solid var(--line);color:var(--txt);border-radius:8px;padding:10px;font-size:14px}
input:focus{outline:none;border-color:var(--acc)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.btn-primary{background:var(--acc);border:none;color:#04110d;padding:11px 18px;border-radius:8px;font-weight:700;cursor:pointer;font-size:14px;display:inline-block;text-align:center}
.btn-danger{background:rgba(244,63,94,.15);border:1px solid rgba(244,63,94,.4);color:#fb7185;padding:9px 14px;border-radius:8px;cursor:pointer}
.empty{color:var(--mut)}.hint{color:var(--mut);font-size:12px}
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:36px;width:360px;display:flex;flex-direction:column;gap:14px;text-align:center}
.login-card h1{font-size:20px;margin:0}.login-card .sub{color:var(--mut);margin:0 0 6px}.brand-logo{font-size:34px}
.alert-err{background:rgba(244,63,94,.15);border:1px solid rgba(244,63,94,.4);color:#fb7185;padding:10px 14px;border-radius:8px;margin:14px auto;max-width:360px;text-align:center}
.platform .p-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}