:root {
    --blue: #1d80c4;
    --ink: #1a1a1a;
    --soft: #f4f7fa;
    --line: #dde5ec;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", sans-serif; background: #eef3f7; color: var(--ink); }
a { color: var(--blue); text-decoration: none; }
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar { background: #102433; color: #fff; padding: 1.2rem; }
.admin-sidebar h1 { font-size: 1.1rem; margin: 0 0 1.5rem; display: flex; align-items: center; gap: .5rem; }
.admin-sidebar a {
    display: flex;
    align-items: center;
    gap: .55rem;
    color: #d7e3ec;
    padding: .55rem .55rem;
    border-radius: 4px;
    margin-bottom: .2rem;
}
.admin-sidebar a i { width: 1.1rem; text-align: center; opacity: .9; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,.08); color: #fff; }
.admin-main { padding: 1.5rem; }
.admin-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 1rem; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.2rem; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 1rem; }
.stat strong { display: block; font-size: 1.6rem; color: var(--blue); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: .7rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.actions {
    display: inline-flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: .35rem;
    align-items: center;
    justify-content: flex-end;
}
.actions form {
    display: inline-flex;
    margin: 0;
    padding: 0;
}
.actions .btn { flex-shrink: 0; }
td.actions { white-space: nowrap; width: 1%; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .55rem .9rem;
    border-radius: 4px;
    border: none;
    background: var(--blue);
    color: #fff;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
    line-height: 1.2;
}
.btn i, .btn .bi { font-size: 1.05em; line-height: 1; }
.btn:hover { filter: brightness(.95); color: #fff; }
.btn-secondary { background: #5a6b7b; }
.btn-danger { background: #b42318; }
.btn-success { background: #1f7a4d; }
.btn-outline {
    background: #fff;
    color: var(--blue);
    border: 1px solid var(--line);
}
.btn-outline:hover { color: var(--blue); background: var(--soft); }
.btn-sm { padding: .4rem .65rem; font-size: .9rem; }
.btn-icon {
    width: 2.15rem;
    height: 2.15rem;
    min-width: 2.15rem;
    padding: 0;
}
.btn-icon.btn-sm {
    width: 2rem;
    height: 2rem;
    min-width: 2rem;
}
.form-grid { display: grid; gap: 1rem; }
.tabs { display: flex; gap: .4rem; margin-bottom: 1rem; }
.tabs button { border: 1px solid var(--line); background: #fff; padding: .45rem .8rem; cursor: pointer; border-radius: 4px; display: inline-flex; align-items: center; gap: .35rem; }
.tabs button.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.lang-panel { display: none; }
.lang-panel.active { display: block; }
label { display: block; font-weight: 600; margin-bottom: .3rem; }
input, select, textarea { width: 100%; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 4px; font: inherit; }
.alert { padding: .8rem 1rem; background: #e8f7ef; color: #146c43; border-radius: 4px; margin-bottom: 1rem; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; }
.login-card { width: min(420px, calc(100% - 2rem)); background: #fff; padding: 1.5rem; border-radius: 8px; border: 1px solid var(--line); }
.toolbar { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: .75rem;
    align-items: end;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
}
.filters .filter-actions {
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
    align-items: end;
}
.filters label { margin-bottom: .25rem; font-size: .85rem; color: #556; }
.filters .span-2 { grid-column: span 2; }
@media (max-width: 700px) {
    .filters .span-2 { grid-column: span 1; }
}
@media (max-width: 900px) {
    .admin-shell { grid-template-columns: 1fr; }
    .stats { grid-template-columns: 1fr 1fr; }
}
.pagination { display: flex; gap: .35rem; list-style: none; padding: 1rem 0; margin: 0; }
.pagination li a, .pagination li span { display: block; padding: .35rem .6rem; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); }
.pagination li.active span { background: var(--blue); color: #fff; border-color: var(--blue); }

.menu-structure-card { margin-bottom: 1rem; padding: 0; overflow: hidden; }
.menu-structure-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #f8fbfe, #fff);
}
.menu-structure-head h3 { margin: 0 0 .35rem; display: flex; align-items: center; gap: .45rem; }
.menu-structure-meta { margin: 0; color: #667; font-size: .92rem; }
.menu-empty {
    padding: 2rem 1rem;
    text-align: center;
    color: #667;
}
.menu-empty i { font-size: 1.8rem; display: block; margin-bottom: .5rem; color: #9bb; }
.menu-tree { padding: .75rem; display: grid; gap: .65rem; }
.menu-node {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
}
.menu-node-root { border-left: 3px solid var(--blue); }
.menu-node.is-inactive { opacity: .72; background: #fafbfc; }
.menu-node-row {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: .8rem;
    align-items: center;
    padding: .75rem .85rem;
}
.menu-node-row > .actions {
    flex-shrink: 0;
    margin-left: auto;
}
.menu-node-main { display: flex; align-items: flex-start; gap: .7rem; min-width: 0; flex: 1; }
.menu-node-handle {
    width: 2rem; height: 2rem;
    border-radius: 6px;
    background: var(--soft);
    color: var(--blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.menu-node-info { min-width: 0; }
.menu-node-title {
    font-weight: 700;
    margin-bottom: .35rem;
    word-break: break-word;
}
.menu-node-badges { display: flex; flex-wrap: wrap; gap: .35rem; }
.badge {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .18rem .45rem;
    border-radius: 999px;
    font-size: .75rem;
    background: #eef2f6;
    color: #445;
    border: 1px solid #e2e8ee;
}
.badge-type { background: #e8f3fb; color: #15689e; border-color: #d3e8f7; }
.badge-ok { background: #e8f7ef; color: #146c43; border-color: #cfe9da; }
.badge-off { background: #f3f4f6; color: #6b7280; border-color: #e5e7eb; }
.badge-children { background: #fff7e8; color: #9a6700; border-color: #f0e0bc; }
.menu-children {
    border-top: 1px dashed var(--line);
    background: #f8fafc;
    padding: .45rem .55rem .55rem 1.1rem;
    display: grid;
    gap: .45rem;
}
.menu-node-child {
    border: 1px solid #e6edf3;
    border-radius: 7px;
    background: #fff;
    border-left: 3px solid #94a8b8;
}
.menu-node-branch {
    width: .75rem;
    height: .75rem;
    border-left: 2px solid #c5d0da;
    border-bottom: 2px solid #c5d0da;
    margin-top: .45rem;
    margin-left: .35rem;
    flex-shrink: 0;
    border-radius: 0 0 0 3px;
}
.menu-node .actions form { display: inline-flex; margin: 0; }
@media (max-width: 700px) {
    .menu-node-row {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }
    .menu-node-main { width: 100%; }
    .menu-node-row > .actions {
        width: 100%;
        justify-content: flex-end;
    }
}