.admin-body { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; background: #eef1f5; }
.admin-side { background: #0b1f33; color: #d7e3ef; padding: 18px 12px; }
.admin-side .brand { color: #fff; margin-bottom: 18px; }
.admin-side .brand img { height: 36px; }
.admin-side nav { display: flex; flex-direction: column; gap: 4px; }
.admin-side nav a { color: #d7e3ef; padding: 8px 10px; border-radius: 4px; }
.admin-side nav a:hover { background: #14324f; color: #e0c27a; }
.admin-main { padding: 8px 20px 40px; min-width: 0; }
.admin-top { display: flex; justify-content: space-between; align-items: baseline; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 8px 0 20px; }
.stat { background: #fff; border: 1px solid var(--line); padding: 16px; }
.stat b { display: block; font-size: 28px; }
.admin-form { padding: 16px; }
.admin-form label { display: block; margin: 8px 0; font-size: 13px; font-weight: 650; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.file-admin { list-style: none; padding: 0; }
.file-admin li { display: flex; gap: 10px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.login-body { min-height: 100vh; display: grid; place-items: center; background: var(--navy); }
.login-card { width: min(420px, 92vw); background: #fffdf8; padding: 28px; display: grid; gap: 10px; }
.login-card img { height: 56px; }
.check { display: flex; align-items: center; gap: 8px; }
@media (max-width: 900px) {
    .admin-body, .stat-grid, .grid-2 { grid-template-columns: 1fr; }
}