* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #eef5ff;
    color: #061735;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.admin-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.admin-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    padding: 18px;
    background: #f8fbff;
    border-right: 1px solid #cfe1f7;
}
.admin-brand { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 18px; background: #fff; border: 1px solid #cfe1f7; font-weight: 900; }
.admin-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: #2563eb; color: #fff; }
.admin-menu { display: grid; gap: 6px; margin-top: 18px; }
.admin-menu-title { margin: 18px 8px 8px; color: #7186a5; font-size: 11px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.admin-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    color: #244669;
    font-weight: 800;
}
.admin-menu a:hover, .admin-menu a.active { background: #e6f0ff; color: #2563eb; }
.admin-main { padding: 28px; }
.admin-topbar {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    padding: 18px 22px;
    margin-bottom: 22px;
    border: 1px solid #cfe1f7;
    border-radius: 22px;
    background: #fff;
}
.admin-card {
    border: 1px solid #cfe1f7;
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(11, 45, 102, .07);
    padding: 22px;
    margin-bottom: 20px;
}
.admin-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.admin-stat strong { display: block; color: #2563eb; font-size: 30px; line-height: 1; }
.admin-stat span { color: #607999; font-size: 13px; font-weight: 800; }
h1, h2, h3 { margin: 0; line-height: 1.1; color: #061735; }
h1 { font-size: 30px; }
h2 { font-size: 20px; margin-bottom: 16px; }
p { color: #4b678b; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
label { display: grid; gap: 7px; font-size: 13px; font-weight: 900; color: #0b2d66; }
input, textarea, select {
    width: 100%;
    min-height: 46px;
    border: 1px solid #c8ddfb;
    border-radius: 13px;
    padding: 11px 13px;
    font: inherit;
    background: #fff;
}
textarea { min-height: 110px; resize: vertical; }
.span-2 { grid-column: span 2; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 11px 16px;
    border-radius: 13px;
    border: 1px solid transparent;
    font-weight: 900;
    cursor: pointer;
}
.btn-primary { color: #fff; background: #2563eb; }
.btn-soft { color: #2563eb; background: #eaf3ff; border-color: #c8ddfb; }
.btn-danger { color: #dc2626; background: #fff1f2; border-color: #fecdd3; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.notice { padding: 13px 16px; border-radius: 14px; background: #ecfdf5; color: #047857; font-weight: 900; margin-bottom: 16px; }
.repeater { display: grid; gap: 14px; }
.repeater-row {
    display: grid;
    gap: 14px;
    padding: 16px;
    border: 1px solid #dbeafe;
    border-radius: 18px;
    background: #f8fbff;
}
.row-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-weight: 900; color: #2563eb; }
.thumb-preview {
    width: 128px;
    height: 86px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid #cfe1f7;
    background: #fff;
}
.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: radial-gradient(circle at 80% 15%, #bfdbfe, transparent 35%), #edf5ff;
}
.login-card { width: min(430px, 100%); padding: 28px; }
.table-list { display: grid; gap: 12px; }
.table-row {
    display: grid;
    grid-template-columns: 1fr 1fr 160px;
    gap: 12px;
    padding: 14px;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    background: #f8fbff;
}
@media (max-width: 980px) {
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar { position: static; height: auto; }
    .admin-grid, .form-grid { grid-template-columns: 1fr; }
    .span-2 { grid-column: auto; }
    .table-row { grid-template-columns: 1fr; }
}