:root{
    --white:#FFFFFF;
    --blue:#0039A6;
    --red:#D52B1E;
    --text:#0F172A;
    --muted:#64748B;
    --line:#E6ECF5;
    --bg:#F6F8FC;
    --surface:#FFFFFF;
    --soft-blue:#EDF3FF;
    --soft-red:#FFF1F0;
    --radius:18px;
    --shadow:0 8px 22px rgba(15,23,42,.06);
    --shadow-lg:0 18px 44px rgba(0,57,166,.10);
    --content-max:1500px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--blue);text-decoration:none}
img{max-width:100%}

.topbar{
    height:72px;display:grid;grid-template-columns:auto minmax(320px,720px) auto;gap:16px;align-items:center;
    padding:0 18px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)
}
.topbar-left{display:flex;align-items:center;gap:12px}
.nav-toggle{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;
    font:inherit;font-size:20px;font-weight:800;color:var(--text)
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand-mark{
    width:42px;height:42px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    color:#fff;font-weight:900;font-size:14px;background:linear-gradient(135deg,var(--blue),var(--red));
    box-shadow:var(--shadow)
}
.brand-copy{display:flex;flex-direction:column;line-height:1}
.brand-copy strong{font-size:22px;letter-spacing:-.03em}
.brand-copy small{font-size:12px;color:var(--muted);margin-top:4px}
.header-search{display:flex;gap:10px;align-items:center}
.header-search input{
    flex:1;border:1px solid var(--line);min-height:46px;border-radius:999px;padding:0 18px;background:#fff;
    font:inherit;outline:none
}
.header-search input:focus{border-color:rgba(0,57,166,.35);box-shadow:0 0 0 4px rgba(0,57,166,.08)}
.top-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}

.layout{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:calc(100vh - 72px)}
.sidebar{
    background:#fff;border-right:1px solid var(--line);padding:16px 12px;position:sticky;top:72px;
    height:calc(100vh - 72px);overflow:auto
}
.side-group{
    margin:18px 12px 8px;color:var(--muted);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.16em
}
.side-section{display:grid;gap:4px}
.side-link{
    min-height:44px;display:flex;align-items:center;padding:0 14px;border-radius:14px;color:var(--text);
    font-weight:700;transition:background .18s ease,color .18s ease
}
.side-link:hover,.side-link-active{background:var(--soft-blue);color:var(--blue)}

.content{padding:22px}
.page-shell{max-width:var(--content-max);margin:0 auto}

.flash{padding:14px 16px;border-radius:14px;margin-bottom:18px;font-weight:800}
.flash-success{background:rgba(0,57,166,.08);color:var(--blue)}
.flash-error{background:rgba(213,43,30,.08);color:var(--red)}

.btn{
    min-height:42px;padding:0 16px;border-radius:999px;border:1px solid transparent;display:inline-flex;
    align-items:center;justify-content:center;font:inherit;font-weight:800;cursor:pointer;transition:transform .18s ease, box-shadow .18s ease
}
.btn:hover{transform:translateY(-1px)}
.btn-small{min-height:34px;padding:0 12px;font-size:13px}
.btn-block{width:100%}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(0,57,166,.18)}
.btn-danger{background:var(--red);color:#fff;box-shadow:0 10px 24px rgba(213,43,30,.16)}
.btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}

.hero{
    display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch;padding:28px;
    background:linear-gradient(135deg, rgba(0,57,166,.05), rgba(255,255,255,.97), rgba(213,43,30,.05));
    border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow-lg)
}
.hero h1{margin:0 0 12px;font-size:44px;line-height:1.02;letter-spacing:-.05em;max-width:780px}
.hero p{margin:0;color:var(--muted);line-height:1.7;max-width:780px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.hero-card-top{height:56px;background:linear-gradient(90deg,var(--blue),var(--red))}
.hero-card-body{padding:18px}
.mock-line{height:14px;border-radius:999px;margin-bottom:12px}
.mock-line.blue{background:rgba(0,57,166,.14)}
.mock-line.red{background:rgba(213,43,30,.14)}
.mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.mock-box{aspect-ratio:16/10;border-radius:18px;background:linear-gradient(135deg, rgba(0,57,166,.12), rgba(255,255,255,.96), rgba(213,43,30,.12))}

.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.chip{
    min-height:34px;padding:0 14px;border-radius:999px;display:inline-flex;align-items:center;
    font-size:12px;font-weight:900
}
.chip-blue{background:rgba(0,57,166,.09);color:var(--blue)}
.chip-red{background:rgba(213,43,30,.09);color:var(--red)}

.section{margin-top:30px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:16px}
.section-head h1,.section-head h2{margin:0;font-size:22px;letter-spacing:-.02em}
.section-subtitle{font-size:14px;color:var(--muted);margin-top:4px}
.section-head a{font-weight:800}

.grid{display:grid;gap:18px}
.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.shorts-grid{grid-template-columns:repeat(auto-fit,minmax(220px,240px));justify-content:start}
.creators-grid{grid-template-columns:repeat(auto-fit,minmax(280px,320px));justify-content:start}

.card{
    background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)
}
.card-premium{transition:transform .18s ease, box-shadow .18s ease}
.card-premium:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,23,42,.10)}
.thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--blue),var(--red))}
.short-thumb{aspect-ratio:9/16}
.server-cover{aspect-ratio:16/8;background:linear-gradient(135deg, rgba(0,57,166,.14), rgba(255,255,255,.96), rgba(213,43,30,.14))}
.media-cover{width:100%;height:100%;object-fit:cover;display:block}
.card-body{padding:14px 14px 16px}
.card-body h3{margin:0 0 8px;font-size:16px;line-height:1.35;letter-spacing:-.01em}
.card-body p{margin:0 0 6px;color:var(--muted);font-size:14px;line-height:1.6}
.card-body small{font-size:13px;color:var(--muted)}
.video-meta-top{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:8px}
.status-chip{
    min-height:30px;padding:0 12px;border-radius:999px;display:inline-flex;align-items:center;
    background:rgba(0,57,166,.08);color:var(--blue);font-size:12px;font-weight:900
}
.trend-rank{
    min-height:30px;padding:0 12px;border-radius:999px;display:inline-flex;align-items:center;
    background:rgba(213,43,30,.09);color:var(--red);font-size:12px;font-weight:900
}
.feed-empty{
    max-width:380px;padding:22px 24px;border-radius:20px;background:#fff;border:1px solid var(--line);
    color:var(--muted);box-shadow:var(--shadow)
}

.creator-card .card-body{padding:20px}
.creator-head{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.creator-avatar{
    width:64px;height:64px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,var(--blue),var(--red));flex:0 0 auto
}

.server-card{position:relative}
.server-badge{
    position:absolute;top:12px;left:12px;z-index:2;min-height:30px;padding:0 12px;border-radius:999px;
    display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;font-size:11px;font-weight:900
}
.server-badge.big{position:static;background:linear-gradient(135deg,var(--blue),var(--red))}

.video-page,.server-detail,.profile-box,.auth-card,.admin-table-wrap,.notification-card{
    background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)
}
.video-player-box{aspect-ratio:16/8;background:#0B1021}
.real-video-player{width:100%;height:100%;display:block;background:#000}
.video-page .card-body{padding:22px}

.server-hero{padding:28px;background:linear-gradient(135deg, rgba(0,57,166,.06), rgba(213,43,30,.06))}
.server-hero h1{margin:14px 0 12px;font-size:36px;letter-spacing:-.04em}
.server-hero p{margin:0;color:var(--muted);line-height:1.8;max-width:860px}
.server-wide-banner{height:220px;border-radius:16px;overflow:hidden;background:linear-gradient(135deg, rgba(0,57,166,.14), rgba(255,255,255,.95), rgba(213,43,30,.14));margin-top:18px}
.server-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:20px}
.stat{background:#F8FAFE;border:1px solid var(--line);border-radius:16px;padding:16px}
.stat strong{display:block;margin-bottom:8px}
.stat span{color:var(--muted)}
.status-pill{display:inline-flex;padding:6px 10px;border-radius:999px;font-weight:800}
.status-online{background:rgba(0,57,166,.10);color:var(--blue)}
.status-offline{background:rgba(213,43,30,.10);color:var(--red)}
.status-maintenance{background:#EDF1F7;color:#44536A}

.auth-wrap{display:flex;justify-content:center;padding:8px 0}
.auth-card{width:100%;max-width:560px;padding:28px}
.auth-wide{max-width:760px}
.auth-card h1,.auth-card h2{margin-top:0}
.auth-subtitle{margin:0 0 18px;color:var(--muted);line-height:1.7}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:8px;font-weight:800}
.field input,.field select,.field textarea{
    width:100%;min-height:48px;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff;font:inherit;outline:none
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(0,57,166,.35);box-shadow:0 0 0 4px rgba(0,57,166,.08)}
.field.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.profile-box{padding:24px}
.channel-hero{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.channel-avatar{
    width:112px;height:112px;border-radius:28px;overflow:hidden;background:linear-gradient(135deg,var(--blue),var(--red));flex:0 0 auto
}
.channel-cover{
    height:260px;border-radius:24px;overflow:hidden;background:linear-gradient(135deg, rgba(0,57,166,.18), rgba(255,255,255,.95), rgba(213,43,30,.18));box-shadow:var(--shadow)
}
.channel-overlap{margin-top:-36px;position:relative}
.profile-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.profile-links a{
    min-height:34px;padding:0 12px;border-radius:999px;display:inline-flex;align-items:center;background:rgba(0,57,166,.08);color:var(--blue);font-weight:800
}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.action-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px}
.mini-muted{font-size:12px;color:var(--muted)}

.notification-list{display:grid;gap:14px}
.notification-card{padding:18px}
.notification-head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}
.notification-head h3{margin:0;font-size:18px}
.notification-head span{font-size:13px;color:var(--muted)}
.notification-new{border-left:4px solid var(--red)}
.notification-read{border-left:4px solid var(--blue)}

.admin-table-wrap{overflow:auto}
.admin-table{width:100%;border-collapse:collapse}
.admin-table th,.admin-table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left}
.inline-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

.comment-list{display:grid;gap:14px;margin-top:18px}
.comment-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow)}
.comment-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px;font-size:14px}
.comment-head span{color:var(--muted)}
.comment-body{line-height:1.7}
.reaction-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.reaction-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font:inherit;font-weight:800;cursor:pointer}
.reaction-active{background:rgba(0,57,166,.1);color:var(--blue);border-color:rgba(0,57,166,.24)}

.pro-badge{background:linear-gradient(135deg,var(--red),var(--blue));color:#fff;padding:4px 10px;border-radius:8px;font-size:12px;margin-right:8px;font-weight:800}
.pro-card{border:2px solid var(--blue);box-shadow:0 0 20px rgba(0,57,166,.18)}

.settings-layout{display:grid;grid-template-columns:minmax(0,1.2fr) 360px;gap:20px;align-items:start}
.settings-main{display:grid;gap:20px}
.settings-side{display:grid;gap:20px}
.settings-preview-avatar{
    width:130px;height:130px;border-radius:28px;overflow:hidden;background:linear-gradient(135deg,var(--blue),var(--red));margin-bottom:14px
}
.settings-preview-cover{
    width:100%;height:150px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,rgba(0,57,166,.18),rgba(255,255,255,.95),rgba(213,43,30,.18));margin-bottom:14px
}
.checkbox-line{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);margin-top:6px}
.dashboard-box{text-align:center}

@media (max-width:1320px){
    .cards-4{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1120px){
    .topbar{grid-template-columns:1fr}
    .layout{grid-template-columns:1fr}
    .sidebar{position:static;height:auto;border-right:none;border-bottom:1px solid var(--line)}
    .hero{grid-template-columns:1fr}
    .cards-4,.cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .server-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
    .content{padding:16px}
    .hero{padding:20px}
    .hero h1{font-size:30px}
    .cards-4,.cards-3,.shorts-grid,.creators-grid{grid-template-columns:1fr}
    .field.split,.settings-layout,.server-stats{grid-template-columns:1fr}
    .section-head{flex-direction:column;align-items:flex-start}
}