:root {
    --bg: #090d17;
    --panel: #12182a;
    --panel2: #171f35;
    --card: rgba(255,255,255,.065);
    --line: rgba(255,255,255,.11);
    --text: #f6f8ff;
    --muted: #9da8c3;
    --blue: #1696ff;
    --purple: #8f43ff;
    --pink: #d83aa5;
    --green: #20d17d;
    --red: #ff5f6d;
    --yellow: #ffc857;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(22,150,255,.18), transparent 34%),
        radial-gradient(circle at top right, rgba(143,67,255,.18), transparent 32%),
        linear-gradient(135deg, #070a12, #10162a 48%, #070a12);
    min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; }
.sidebar {
    border-right: 1px solid var(--line);
    background: rgba(8,12,22,.72);
    backdrop-filter: blur(16px);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
    width: 46px; height: 46px; border-radius: 14px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    box-shadow: 0 0 26px rgba(22,150,255,.28);
    font-weight: 900;
}
.brand strong { display: block; font-size: 20px; }
.brand small, .topbar p, .muted { color: var(--muted); }
.sidebar nav { display: grid; gap: 10px; }
.sidebar nav a {
    padding: 13px 14px;
    border: 1px solid transparent;
    border-radius: 16px;
    color: #c8d0e5;
}
.sidebar nav a:hover, .sidebar nav a.active {
    background: linear-gradient(135deg, rgba(22,150,255,.18), rgba(143,67,255,.15));
    border-color: rgba(115,159,255,.32);
    color: #fff;
}
.sidebar-footer { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); display: grid; gap: 5px; }
.sidebar-footer small { color: var(--muted); }
.logout { color: #ffafb7; margin-top: 8px; }
.main { padding: 28px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 22px; }
h1 { margin: 0; font-size: 34px; letter-spacing: -.03em; }
h2 { margin-top: 0; }
.api-box {
    max-width: 520px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.04);
    display: grid; gap: 6px;
}
.api-box span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.api-box code { color: #9dd8ff; word-break: break-all; }
.card {
    background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.045));
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 22px;
    box-shadow: 0 24px 80px rgba(0,0,0,.24);
}
.grid { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat { min-height: 126px; }
.stat small { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.stat strong { display: block; font-size: 34px; margin-top: 12px; }
.stat .line { margin-top: 12px; width: 68px; height: 5px; border-radius: 99px; background: linear-gradient(90deg, var(--blue), var(--purple)); }
.toolbar { display: flex; gap: 12px; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.search { display: flex; gap: 8px; }
input, textarea, select {
    width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 12px 13px;
    background: rgba(255,255,255,.06); color: var(--text); outline: none;
}
select option { background: #10162a; color: #fff; }
textarea { min-height: 110px; resize: vertical; }
label { display: grid; gap: 7px; color: #d6ddef; font-weight: 650; }
label span { color: var(--muted); font-size: 13px; font-weight: 400; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.btn {
    border: 0; cursor: pointer; color: #fff; border-radius: 14px; padding: 12px 16px; font-weight: 800;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    box-shadow: 0 12px 28px rgba(22,150,255,.22);
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn.secondary { background: rgba(255,255,255,.08); border: 1px solid var(--line); box-shadow: none; }
.btn.danger { background: linear-gradient(135deg, #ff5f6d, #b92d44); }
.btn.small { padding: 8px 10px; font-size: 13px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
tr:hover td { background: rgba(255,255,255,.025); }
.badge { display: inline-flex; padding: 6px 9px; border-radius: 99px; font-size: 12px; font-weight: 800; }
.badge-ok { background: rgba(32,209,125,.14); color: #76ffc0; border: 1px solid rgba(32,209,125,.28); }
.badge-bad { background: rgba(255,95,109,.13); color: #ffb2b9; border: 1px solid rgba(255,95,109,.28); }
.badge-warn { background: rgba(255,200,87,.13); color: #ffe4a3; border: 1px solid rgba(255,200,87,.28); }
.alert { padding: 13px 15px; border-radius: 16px; margin-bottom: 18px; border: 1px solid var(--line); }
.alert-success { background: rgba(32,209,125,.12); color: #a9ffd4; }
.alert-error { background: rgba(255,95,109,.12); color: #ffb7bd; }
.alert-info { background: rgba(22,150,255,.12); color: #b8e2ff; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 430px; }
.login-card .brand { margin-bottom: 22px; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.banner-thumb { width: 180px; max-width: 100%; height: 76px; border-radius: 14px; object-fit: cover; border: 1px solid var(--line); background: #0a0e19; }
.preview-banner {
    min-height: 260px; border-radius: 24px; border: 1px solid var(--line); overflow: hidden; position: relative; background: linear-gradient(135deg, #16213a, #31194e);
}
.preview-banner img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; opacity: .72; }
.preview-banner .overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.76), rgba(0,0,0,.14)); }
.preview-banner .content { position: relative; padding: 34px; max-width: 520px; }
.preview-banner .tag { display: inline-flex; background: rgba(143,67,255,.8); padding: 7px 10px; border-radius: 10px; font-weight: 900; font-size: 12px; }
.preview-banner h2 { font-size: 40px; margin: 18px 0 10px; }
.preview-banner p { color: #d8dded; font-size: 18px; }
.help { color: var(--muted); line-height: 1.6; }
.code-block { background: rgba(0,0,0,.25); border: 1px solid var(--line); padding: 14px; border-radius: 16px; white-space: pre-wrap; color: #abe0ff; }
@media (max-width: 1050px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .sidebar nav { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .topbar { flex-direction: column; }
    .grid-4, .grid-3, .form-grid { grid-template-columns: 1fr; }
}
.preview-banner.clean .overlay,
.preview-banner.clean .content{display:none!important}
.preview-banner.clean{display:flex;align-items:center;justify-content:center;overflow:hidden}
.preview-banner.clean img{width:100%;height:100%;object-fit:cover;display:block}
.empty-preview{width:100%;height:220px;display:flex;align-items:center;justify-content:center;color:#aebbd4;background:linear-gradient(135deg,#0b1328,#25153d);border-radius:18px;border:1px solid rgba(255,255,255,.12)}