:root {
    --bg: #f7f8fc;
    --panel: #ffffff;
    --panel-2: #fbfbff;
    --text: #1f1b3d;
    --muted: #6f6b7f;
    --border: #eceaf3;
    --sidebar: #ffffff;
    --sidebar-2: #f8f7ff;
    --primary: #5b35e6;
    --primary-dark: #4524c9;
    --primary-soft: #efeaff;
    --lime: #d9ff2f;
    --lime-dark: #b8ec00;
    --green: #16b789;
    --teal: #13b8a6;
    --orange: #f59e0b;
    --blue: #5b35e6;
    --danger: #ef476f;
    --shadow: 0 18px 45px rgba(37, 28, 79, .08);
    --shadow-soft: 0 10px 28px rgba(37, 28, 79, .06);
    --radius: 22px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
}

button, input, select, textarea { font-family: inherit; }

.app-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar {
    background: var(--sidebar);
    color: var(--text);
    padding: 24px 18px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid var(--border);
}

.brand-box {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 6px 8px 24px;
    border-bottom: 1px solid var(--border);
}

.brand-logo-wrap {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    background: var(--primary-soft);
    display: grid;
    place-items: center;
    overflow: hidden;
    box-shadow: 0 12px 26px rgba(91, 53, 230, .14);
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-name {
    font-weight: 900;
    font-size: 19px;
    line-height: 1.1;
    color: var(--text);
    letter-spacing: -.03em;
}

.brand-subtitle {
    color: var(--muted);
    font-size: 12px;
    margin-top: 4px;
}

.sidebar-section {
    color: #8c879c;
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: 11px;
    font-weight: 800;
    margin: 26px 10px 10px;
}

.sidebar-menu { display: grid; gap: 5px; }

.sidebar-link {
    color: #3e3a4d;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 14px;
    transition: .18s ease;
    font-weight: 700;
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    color: #4d485f;
}

.sidebar-link:hover {
    background: var(--sidebar-2);
    color: var(--primary);
}

.sidebar-link:hover i { color: var(--primary); }

.sidebar-link.active {
    background: var(--primary-soft);
    color: var(--primary);
    box-shadow: inset 3px 0 0 var(--primary);
}

.sidebar-link.active i { color: var(--primary); }

.sidebar-card {
    background: linear-gradient(135deg, var(--primary), #2d155f);
    border: 1px solid rgba(91, 53, 230, .16);
    border-radius: 20px;
    padding: 18px;
    margin-top: 28px;
    color: #fff;
    box-shadow: 0 20px 40px rgba(91, 53, 230, .18);
}

.sidebar-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: var(--lime);
    color: #2d155f;
    margin-bottom: 12px;
}

.sidebar-card-title { font-weight: 900; margin-bottom: 5px; }
.sidebar-card-text { color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.45; }

.main-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 76px;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 20;
}

.icon-btn {
    position: relative;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
    color: #4d485f;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: .18s ease;
}
.icon-btn:hover { color: var(--primary); border-color: #ded8ff; background: var(--primary-soft); }
.icon-btn.light { background: var(--panel-2); }

.menu-toggle { display: none; }

.notify-dot {
    position: absolute;
    top: -6px;
    right: -5px;
    background: var(--danger);
    color: #fff;
    border-radius: 999px;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 900;
}

.topbar-search {
    flex: 1;
    max-width: 620px;
    height: 46px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 15px;
    color: var(--muted);
}

.topbar-search input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 14px;
}

.topbar-search span {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 5px 8px;
    font-size: 11px;
    color: #9b96ab;
    background: #fff;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 7px 10px 7px 8px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 17px;
}

.admin-avatar {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), #7c5cff);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 900;
}

.admin-profile-text { display: grid; font-size: 12px; }
.admin-profile-text strong { color: var(--text); }
.admin-profile-text span { color: var(--muted); }

.page-content {
    padding: 30px;
    flex: 1;
}

.page-header {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 22px;
}

.eyebrow {
    color: var(--primary);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: 12px;
    margin: 0 0 8px;
}

.page-header h1 {
    margin: 0;
    font-size: clamp(28px, 4vw, 40px);
    letter-spacing: -0.045em;
    color: var(--text);
}

.page-header p {
    margin: 8px 0 0;
    color: var(--muted);
}

.btn-primary,
.btn-soft,
.btn-outline {
    border: 0;
    border-radius: 14px;
    padding: 13px 17px;
    font-weight: 900;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    transition: .18s ease;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 12px 22px rgba(91, 53, 230, .22);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }

.btn-soft {
    background: var(--lime);
    color: #221a49;
    border: 1px solid #ccf20d;
}
.btn-soft:hover { background: var(--lime-dark); transform: translateY(-1px); }

.btn-outline {
    background: #fff;
    color: #3e3a4d;
    border: 1px solid var(--border);
}
.btn-outline:hover { border-color: #ded8ff; color: var(--primary); background: var(--primary-soft); }
.full { width: 100%; }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.summary-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-soft);
}

.summary-icon {
    width: 52px;
    height: 52px;
    border-radius: 17px;
    display: grid;
    place-items: center;
    font-size: 19px;
}
.summary-icon.red { background: var(--primary-soft); color: var(--primary); }
.summary-icon.green { background: #e8fff7; color: var(--green); }
.summary-icon.orange { background: #f3ffbf; color: #6b7c00; }

.summary-card span { color: var(--muted); font-size: 13px; font-weight: 700; }
.summary-card strong { display: block; font-size: 25px; margin-top: 2px; color: var(--text); }

.catalog-tabs {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 7px;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    margin-bottom: 18px;
    box-shadow: var(--shadow-soft);
}

.tab {
    border: 0;
    background: transparent;
    color: #4d485f;
    padding: 12px 15px;
    border-radius: 15px;
    font-weight: 900;
    white-space: nowrap;
    cursor: pointer;
    transition: .18s ease;
}
.tab:hover { background: var(--sidebar-2); color: var(--primary); }
.tab.active { background: var(--primary); color: #fff; box-shadow: 0 12px 22px rgba(91, 53, 230, .18); }
.tab.disabled { opacity: .55; cursor: not-allowed; }

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 18px;
    align-items: start;
}

.data-card,
.form-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}

.toolbar {
    padding: 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.toolbar-actions,
.toolbar-filters { display: flex; align-items: center; gap: 10px; }
.input-icon {
    height: 46px;
    min-width: 280px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 13px;
    color: var(--muted);
}
.input-icon:focus-within {
    border-color: #cfc4ff;
    box-shadow: 0 0 0 4px rgba(91, 53, 230, .08);
}
.input-icon input {
    border: 0;
    outline: 0;
    background: transparent;
    width: 100%;
}

.table-responsive { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}
.data-table th {
    background: #fbfbff;
    color: #746f83;
    text-transform: uppercase;
    letter-spacing: .06em;
    font-size: 11px;
    text-align: left;
    padding: 14px 18px;
}
.data-table td {
    padding: 15px 18px;
    border-top: 1px solid var(--border);
    vertical-align: middle;
}
.data-table tr:hover td { background: #fcfbff; }

.id-pill,
.badge-soft {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-weight: 900;
    font-size: 12px;
}
.id-pill { background: var(--primary-soft); color: var(--primary); padding: 6px 10px; }
.badge-soft { background: #e8fff7; color: var(--green); padding: 7px 10px; }
.muted { color: var(--muted); font-size: 13px; }

.action-buttons { display: flex; gap: 8px; }
.table-btn {
    width: 37px;
    height: 37px;
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    background: #fff;
    transition: .18s ease;
}
.table-btn:hover { transform: translateY(-1px); background: var(--primary-soft); border-color: #ded8ff; }
.table-btn.edit { color: var(--primary); }
.table-btn.delete { color: var(--danger); }

.empty-cell {
    text-align: center;
    color: var(--muted);
    padding: 35px !important;
}
.empty-cell.error { color: var(--danger); }

.form-card { padding: 22px; position: sticky; top: 96px; }
.form-title {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-left: 4px solid var(--lime);
    padding-left: 14px;
    margin-bottom: 20px;
}
.form-title h2 { margin: 0; font-size: 22px; color: var(--text); }
.form-title p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }

.form-label {
    display: block;
    margin: 14px 0 7px;
    font-weight: 900;
    font-size: 13px;
    color: #3e3a4d;
}
.form-control {
    width: 100%;
    height: 48px;
    border: 1px solid var(--border);
    border-radius: 15px;
    background: #fff;
    outline: 0;
    padding: 0 14px;
    font-size: 14px;
    color: var(--text);
}
.form-control:focus {
    border-color: #cfc4ff;
    box-shadow: 0 0 0 4px rgba(91, 53, 230, .08);
    background: #fff;
}
.field-help { color: var(--muted); display: block; margin-top: 7px; }
.form-actions { display: grid; gap: 10px; margin-top: 22px; }

.footer-app {
    padding: 18px 30px 25px;
    color: var(--muted);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
}

.toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    background: var(--text);
    color: #fff;
    padding: 14px 18px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: .2s ease;
    z-index: 50;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: #991b1b; }
.toast.ok { background: #066b55; }

@media (max-width: 1100px) {
    .app-layout { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed;
        left: -300px;
        top: 0;
        z-index: 40;
        width: 280px;
        transition: .22s ease;
        box-shadow: 25px 0 45px rgba(31, 27, 61, .14);
    }
    .sidebar.sidebar-open { left: 0; }
    .menu-toggle { display: grid; }
    .content-grid { grid-template-columns: 1fr; }
    .form-card { position: static; }
}

@media (max-width: 780px) {
    .topbar { padding: 0 15px; }
    .topbar-search span, .admin-profile-text, .topbar-actions .icon-btn:nth-child(2) { display: none; }
    .page-content { padding: 20px 15px; }
    .page-header { flex-direction: column; }
    .summary-grid { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar-actions, .toolbar-filters { width: 100%; flex-wrap: wrap; }
    .toolbar-actions > *, .toolbar-filters > *, .input-icon { flex: 1; min-width: 100%; }
    .footer-app { padding: 18px 15px 25px; flex-direction: column; gap: 6px; }
}