*{box-sizing:border-box}
:root{--bg:#02070d;--panel:#07111d;--panel2:#0b1724;--green:#00dc78;--muted:#8ea2b5;--line:rgba(255,255,255,.12);--red:#ef233c;--blue:#0078ff}
body{margin:0;background:var(--bg);color:#fff;font-family:Arial,Helvetica,sans-serif}
.layout{display:grid;grid-template-columns:270px 1fr;min-height:100vh}
.sidebar{background:#030b12;border-right:1px solid var(--line);padding:24px}
.logo{color:var(--green);font-weight:900;font-style:italic;letter-spacing:.08em;margin-bottom:28px}
.sidebar nav{display:grid;gap:8px}.sidebar a{color:#dbeafe;text-decoration:none;padding:13px 14px;border-radius:12px;border:1px solid transparent;font-weight:700}
.sidebar a:hover,.sidebar a.active{background:rgba(0,220,120,.08);border-color:rgba(0,220,120,.25);color:var(--green)}
.topbar{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(3,11,18,.92)}
.content{padding:28px;overflow-x:auto}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.box{background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:20px;padding:22px;margin-bottom:20px}
.card strong{display:block;font-size:38px;color:var(--green)}.muted,.card span{color:var(--muted)}
label{display:block;margin:14px 0 7px;font-weight:800}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:12px;background:#020b13;color:#fff;padding:13px;outline:none}
textarea{min-height:110px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 20px rgba(0,220,120,.14)}
button,.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#00180c;border:0;border-radius:12px;padding:12px 16px;font-weight:900;text-decoration:none;cursor:pointer;margin:4px 4px 4px 0}
.btn.dark{background:#0b1724;color:#fff;border:1px solid var(--line)}.btn.red{background:var(--red);color:#fff}.btn.blue{background:var(--blue);color:#fff}
.msg{background:rgba(0,220,120,.12);border:1px solid rgba(0,220,120,.35);color:#b7ffd9;padding:13px;border-radius:12px;margin-bottom:18px}
table{width:100%;border-collapse:collapse;background:#071625;border-radius:18px;overflow:hidden}th{background:#0b1724;text-align:left}td,th{padding:13px;border-bottom:1px solid var(--line);vertical-align:top}
.thumb{width:90px;height:58px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.full{grid-column:1/-1}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(0,220,120,.12);color:var(--green);font-weight:900}
@media(max-width:900px){.layout{grid-template-columns:1fr}.grid,.form-grid{grid-template-columns:1fr}.sidebar{position:relative}}

.color-row{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center}
input[type=color]{height:48px;padding:4px}
.preview-box{border:1px solid var(--line);border-radius:18px;padding:22px;background:linear-gradient(135deg,rgba(0,220,120,.12),rgba(0,120,255,.08));margin-top:16px}
.actions-row{display:flex;flex-wrap:wrap;gap:8px}
.small{font-size:12px;color:var(--muted)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery-item{border:1px solid var(--line);border-radius:14px;background:#071625;padding:10px}
.gallery-item img{width:100%;height:130px;object-fit:cover;border-radius:10px}
@media(max-width:900px){.gallery-grid{grid-template-columns:1fr 1fr}}