:root{--bg:#fff;--text:#111;--muted:#666;--border:#e7e7ea;--shadow:0 8px 30px rgba(0,0,0,.06);--radius:16px;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:18px}
a{color:inherit;text-decoration:none}
.brand{font-weight:800}
.nav{display:flex;align-items:center;gap:10px}
.btn{border:1px solid var(--border);background:#fff;padding:10px 12px;border-radius:12px;cursor:pointer}
.btn--primary{background:#111;color:#fff;border-color:#111}
.btn--ghost{background:#fff}
.btn--danger{background:#b00020;color:#fff;border-color:#b00020}
.inline{display:inline}
.pill{display:inline-block;padding:4px 10px;border:1px solid var(--border);border-radius:999px;font-size:12px}
.muted{color:var(--muted);font-size:13px}
.admin-header{border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:saturate(150%) blur(8px);z-index:10}
.admin-header__row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.admin-shell{display:grid;grid-template-columns:240px 1fr;gap:16px}
@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-nav{display:flex;gap:8px;overflow:auto}}
.admin-nav{border:1px solid var(--border);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow);height:fit-content}
.admin-nav a{display:block;padding:10px 10px;border-radius:12px}
.admin-nav a:hover{background:#f3f3f6}
.admin-nav a.active{background:#111;color:#fff}
.admin-main{border:1px solid var(--border);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
h1{margin-top:0}
.form label{display:block;font-size:13px;color:var(--muted);margin:10px 0 6px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:12px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:12px 0}
.table{width:100%;border-collapse:collapse;margin-top:10px}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}
.actions{white-space:nowrap}
.alert{padding:10px 12px;border-radius:12px;margin:10px 0}
.alert--error{background:#ffe8ee;border:1px solid #ffc3d0}
.alert--ok{background:#ecfff3;border:1px solid #b7f2cd}
.grid{display:grid;gap:12px}
.grid--2{grid-template-columns:1fr 1fr}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}
.panel{border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.panel__kpi{font-size:32px;font-weight:800}
.editor{min-height:260px;border:1px solid var(--border);border-radius:12px;padding:12px}
.editor-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:8px}
.editor-toolbar button{padding:8px 10px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer}