:root {
    --admin-sidebar-width: 286px;
    --admin-bg: #f5f7fb;
    --admin-panel: #ffffff;
    --admin-panel-soft: #f8fafc;
    --admin-text: #172033;
    --admin-muted: #6b7280;
    --admin-border: #e5e9f2;
    --admin-accent: #f97316;
    --admin-accent-dark: #dc5b0b;
    --admin-accent-soft: #fff1e8;
    --admin-success: #168456;
    --admin-danger: #d83b3b;
    --admin-warning: #b86905;
    --admin-shadow: 0 12px 36px rgba(30, 41, 59, 0.08);
    --admin-radius: 18px;
}

* { box-sizing: border-box; }

body.admin-page {
    display: block !important;
    margin: 0;
    min-height: 100vh;
    background: var(--admin-bg) !important;
    color: var(--admin-text);
    overflow-x: hidden;
}

body.admin-page.menu-open { overflow: hidden; }

.admin-skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 3000;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--admin-text);
    color: #fff;
    text-decoration: none;
    transition: top .2s ease;
}

.admin-skip-link:focus { top: 12px; }

.admin-shell { display: contents; }

.admin-shell-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1200;
    width: var(--admin-sidebar-width);
    display: flex;
    flex-direction: column;
    background: #111827;
    color: #fff;
    box-shadow: 10px 0 40px rgba(15, 23, 42, .16);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.admin-shell-brand {
    position: sticky;
    top: 0;
    z-index: 2;
    display: grid;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    gap: 12px;
    min-height: 78px;
    padding: 16px 18px;
    background: rgba(17, 24, 39, .97);
    border-bottom: 1px solid rgba(255,255,255,.08);
    backdrop-filter: blur(12px);
}

.admin-shell-logo {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(145deg, #fb923c, #ea580c);
    color: #fff;
    font-size: 1.2rem;
    box-shadow: 0 8px 18px rgba(249, 115, 22, .25);
}

.admin-shell-brand strong,
.admin-shell-brand span { display: block; }
.admin-shell-brand strong { font-size: 1rem; letter-spacing: .01em; }
.admin-shell-brand span { margin-top: 2px; color: #9ca3af; font-size: .76rem; }

.admin-menu-close {
    display: none;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 11px;
    background: rgba(255,255,255,.08);
    color: #fff;
    cursor: pointer;
}

.admin-shell-user {
    display: flex;
    align-items: center;
    gap: 11px;
    margin: 16px 16px 6px;
    padding: 12px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 15px;
    background: rgba(255,255,255,.045);
}

.admin-shell-avatar {
    flex: 0 0 auto;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(249, 115, 22, .18);
    color: #fdba74;
}

.admin-shell-user span,
.admin-shell-user strong { display: block; min-width: 0; }
.admin-shell-user span { color: #9ca3af; font-size: .72rem; }
.admin-shell-user strong { margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .86rem; }

.admin-shell-nav { padding: 10px 12px 18px; }
.admin-nav-heading {
    display: block;
    margin: 16px 12px 7px;
    color: #6b7280;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.admin-nav-link {
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 3px 0;
    padding: 10px 12px;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: #cbd5e1;
    text-decoration: none;
    text-align: left;
    font: inherit;
    font-size: .86rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s ease, color .18s ease, transform .18s ease;
}

.admin-nav-link i { width: 22px; color: #94a3b8; text-align: center; font-size: 1rem; transition: color .18s ease; }
.admin-nav-link:hover { background: rgba(255,255,255,.07); color: #fff; transform: translateX(2px); }
.admin-nav-link:hover i { color: #fdba74; }
.admin-nav-link.active { background: linear-gradient(135deg, rgba(249,115,22,.95), rgba(234,88,12,.95)); color: #fff; box-shadow: 0 8px 20px rgba(234, 88, 12, .24); }
.admin-nav-link.active i { color: #fff; }

.admin-shell-footer {
    margin-top: auto;
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,.08);
}
.admin-shell-footer form { margin: 0; }
.admin-nav-secondary { color: #94a3b8; }
.admin-nav-logout { color: #fecaca; }
.admin-nav-logout i { color: #fca5a5; }
.admin-nav-logout:hover { background: rgba(239,68,68,.14); }

.admin-mobile-bar,
.admin-menu-backdrop { display: none; }

/* Remove the legacy, page-specific sidebars after the shared shell is injected. */
body.admin-page .sidebar:not(.admin-shell-sidebar) { display: none !important; }
body.admin-page > .menu-toggle { display: none !important; }

body.admin-page .admin-wrapper,
body.admin-page .layout,
body.admin-page .wrapper {
    display: block !important;
    min-height: 100vh !important;
    width: auto !important;
}

body.admin-page #admin-main,
body.admin-page .main-content,
body.admin-page .layout > main,
body.admin-page .wrapper > main,
body.admin-page > main {
    width: auto !important;
    max-width: none !important;
    min-height: 100vh;
    margin-left: var(--admin-sidebar-width) !important;
    padding: 24px clamp(18px, 3vw, 42px) 44px !important;
}


body.admin-page > main.admin-bridge-card {
    width: min(620px, calc(100vw - var(--admin-sidebar-width) - 64px)) !important;
    max-width: 620px !important;
    min-height: auto !important;
    margin: 80px 32px 40px calc(var(--admin-sidebar-width) + 32px) !important;
}

body.admin-page .top-bar,
body.admin-page .topbar,
body.admin-page .header,
body.admin-page .page-header {
    border: 1px solid var(--admin-border) !important;
    border-radius: var(--admin-radius) !important;
    background: var(--admin-panel) !important;
    box-shadow: 0 4px 18px rgba(30,41,59,.045) !important;
}

body.admin-page .top-bar h1,
body.admin-page .top-bar h2,
body.admin-page .topbar h1,
body.admin-page .topbar h2,
body.admin-page .header h1,
body.admin-page .header h2,
body.admin-page .page-header h1,
body.admin-page .page-header h2 {
    color: var(--admin-text) !important;
}

body.admin-page .card,
body.admin-page .data-table,
body.admin-page .stat-card,
body.admin-page .form-card,
body.admin-page .content-card,
body.admin-page .panel,
body.admin-page .telegram-card,
body.admin-page .route-card,
body.admin-page .upload-card {
    border: 1px solid var(--admin-border) !important;
    border-radius: var(--admin-radius) !important;
    background: var(--admin-panel) !important;
    box-shadow: 0 6px 24px rgba(30,41,59,.055) !important;
}

body.admin-page .card:hover,
body.admin-page .stat-card:hover {
    box-shadow: var(--admin-shadow) !important;
}

body.admin-page input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="file"]),
body.admin-page select,
body.admin-page textarea {
    min-height: 44px;
    border: 1px solid #d9dfeb !important;
    border-radius: 12px !important;
    background: #fff !important;
    color: var(--admin-text) !important;
    box-shadow: none !important;
}

body.admin-page textarea { min-height: 112px; resize: vertical; }
body.admin-page input:focus,
body.admin-page select:focus,
body.admin-page textarea:focus {
    outline: none !important;
    border-color: var(--admin-accent) !important;
    box-shadow: 0 0 0 4px rgba(249,115,22,.13) !important;
}

body.admin-page input[type="file"] {
    max-width: 100%;
    padding: 9px;
    border: 1px dashed #cfd6e3;
    border-radius: 12px;
    background: var(--admin-panel-soft);
}

body.admin-page button,
body.admin-page .btn,
body.admin-page .button,
body.admin-page [class*="btn-"] {
    touch-action: manipulation;
}

body.admin-page .btn-primary,
body.admin-page .btn.primary,
body.admin-page .button.primary,
body.admin-page .btn-add,
body.admin-page .save-btn,
body.admin-page .login-button,
body.admin-page .toggle-registration-btn.closed {
    border-color: transparent !important;
    background: linear-gradient(135deg, var(--admin-accent), var(--admin-accent-dark)) !important;
    color: #fff !important;
    box-shadow: 0 8px 18px rgba(249,115,22,.17) !important;
}

body.admin-page .btn-danger,
body.admin-page .btn.danger,
body.admin-page .button.danger,
body.admin-page .delete-btn {
    background: #fff1f1 !important;
    color: var(--admin-danger) !important;
    border-color: #ffd5d5 !important;
}

body.admin-page .btn-success,
body.admin-page .btn.success,
body.admin-page .button.success,
body.admin-page .button.publish {
    background: #eaf8f1 !important;
    color: var(--admin-success) !important;
    border-color: #c7ecda !important;
}

body.admin-page .btn-secondary,
body.admin-page .btn.secondary,
body.admin-page .button.secondary,
body.admin-page .btn-cancel,
body.admin-page .back-btn {
    background: #f1f4f8 !important;
    color: #374151 !important;
    border-color: #e1e6ef !important;
}


body.admin-page .button.publish {
    background: var(--admin-success) !important;
    color: #fff !important;
    border-color: transparent !important;
}
body.admin-page .button.unpublish {
    background: #fff5e6 !important;
    color: var(--admin-warning) !important;
    border-color: #f8ddb2 !important;
}

body.admin-page .alert {
    border-radius: 14px !important;
    box-shadow: 0 4px 16px rgba(30,41,59,.04);
}

body.admin-page .admin-table-wrap,
body.admin-page .table-wrap,
body.admin-page .data-table,
body.admin-page .category-table {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

body.admin-page table { width: 100%; }
body.admin-page th { white-space: nowrap; }
body.admin-page td { vertical-align: middle; }

.admin-page .admin-confirm-dialog {
    width: min(440px, calc(100vw - 32px));
    padding: 0;
    border: 0;
    border-radius: 20px;
    background: var(--admin-panel);
    color: var(--admin-text);
    box-shadow: 0 24px 80px rgba(15,23,42,.28);
}
.admin-page .admin-confirm-dialog::backdrop { background: rgba(15,23,42,.54); backdrop-filter: blur(3px); }
.admin-confirm-body { padding: 24px; }
.admin-confirm-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 16px; border-radius: 15px; background: var(--admin-accent-soft); color: var(--admin-accent-dark); font-size: 1.2rem; }
.admin-confirm-body h2 { margin: 0 0 8px; font-size: 1.15rem; }
.admin-confirm-body p { margin: 0; color: var(--admin-muted); line-height: 1.55; }
.admin-confirm-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 24px 22px; }
.admin-confirm-actions button { min-height: 42px; padding: 9px 16px; border: 1px solid var(--admin-border); border-radius: 11px; font: inherit; font-weight: 700; cursor: pointer; }
.admin-confirm-cancel { background: #f1f4f8; color: #374151; }
.admin-confirm-accept { background: var(--admin-danger); color: #fff; border-color: transparent !important; }

.admin-submit-busy { position: relative; pointer-events: none; opacity: .72; }
.admin-submit-busy::after {
    content: "";
    width: 15px;
    height: 15px;
    margin-left: 9px;
    display: inline-block;
    vertical-align: -2px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: admin-spin .7s linear infinite;
}
@keyframes admin-spin { to { transform: rotate(360deg); } }

.admin-back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 900;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 14px;
    background: #111827;
    color: #fff;
    box-shadow: 0 10px 28px rgba(15,23,42,.22);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.admin-back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* Login polish */
body.admin-login-page .login-form {
    border: 1px solid rgba(255,255,255,.6);
    box-shadow: 0 28px 90px rgba(38, 20, 6, .22) !important;
}
body.admin-login-page .login-header i { color: var(--admin-accent) !important; }
body.admin-login-page .login-button { background: linear-gradient(135deg, var(--admin-accent), var(--admin-accent-dark)) !important; }
body.admin-login-page .back-link { color: var(--admin-accent-dark) !important; }

@media (max-width: 900px) {
    body.admin-page #admin-main,
    body.admin-page .main-content,
    body.admin-page .layout > main,
    body.admin-page .wrapper > main,
    body.admin-page > main {
        margin-left: 0 !important;
        padding: 82px 14px 38px !important;
    }


    body.admin-page > main.admin-bridge-card {
        width: calc(100% - 28px) !important;
        max-width: 620px !important;
        min-height: auto !important;
        margin: 86px auto 32px !important;
        padding: 24px 18px !important;
    }

    .admin-mobile-bar {
        position: fixed;
        inset: 0 0 auto 0;
        z-index: 1100;
        height: 66px;
        display: grid;
        grid-template-columns: 44px minmax(0, 1fr) 44px;
        align-items: center;
        gap: 10px;
        padding: max(9px, env(safe-area-inset-top)) 12px 9px;
        border-bottom: 1px solid var(--admin-border);
        background: rgba(255,255,255,.95);
        box-shadow: 0 5px 18px rgba(30,41,59,.07);
        backdrop-filter: blur(14px);
    }

    .admin-menu-toggle,
    .admin-mobile-site-link {
        width: 42px;
        height: 42px;
        display: grid;
        place-items: center;
        border: 1px solid var(--admin-border);
        border-radius: 13px;
        background: #fff;
        color: var(--admin-text);
        text-decoration: none;
        cursor: pointer;
    }

    .admin-mobile-title { min-width: 0; }
    .admin-mobile-title span,
    .admin-mobile-title strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .admin-mobile-kicker { color: var(--admin-muted); font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
    .admin-mobile-title strong { margin-top: 2px; font-size: .93rem; }

    .admin-shell-sidebar {
        width: min(88vw, 310px);
        transform: translateX(-104%);
        transition: transform .24s ease;
        box-shadow: none;
    }
    body.menu-open .admin-shell-sidebar { transform: translateX(0); box-shadow: 14px 0 44px rgba(15,23,42,.28); }
    .admin-menu-close { display: grid; place-items: center; }

    .admin-menu-backdrop {
        position: fixed;
        inset: 0;
        z-index: 1150;
        width: 100%;
        height: 100%;
        border: 0;
        background: rgba(15,23,42,.55);
        backdrop-filter: blur(2px);
    }
    .admin-menu-backdrop:not([hidden]) { display: block; }

    body.admin-page .top-bar,
    body.admin-page .topbar,
    body.admin-page .header,
    body.admin-page .page-header {
        padding: 14px 16px !important;
        gap: 12px !important;
    }

    body.admin-page .actions,
    body.admin-page .form-actions,
    body.admin-page .row-actions,
    body.admin-page .header-actions,
    body.admin-page .button-group {
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }

    body.admin-page .actions > *,
    body.admin-page .form-actions > * {
        max-width: 100%;
    }

    body.admin-page .stats-grid,
    body.admin-page .grid,
    body.admin-page .category-grid,
    body.admin-page .gallery-grid,
    body.admin-page .sponsors-grid {
        grid-template-columns: 1fr !important;
    }

    table.admin-responsive-table,
    table.admin-responsive-table tbody,
    table.admin-responsive-table tr,
    table.admin-responsive-table td { display: block; width: 100%; }
    table.admin-responsive-table thead { display: none; }
    table.admin-responsive-table tbody { padding: 10px; }
    table.admin-responsive-table tr {
        margin-bottom: 12px;
        padding: 8px 12px;
        border: 1px solid var(--admin-border);
        border-radius: 15px;
        background: var(--admin-panel);
        box-shadow: 0 4px 14px rgba(30,41,59,.045);
    }
    table.admin-responsive-table td {
        display: grid;
        grid-template-columns: minmax(104px, 38%) minmax(0, 1fr);
        gap: 10px;
        align-items: start;
        padding: 9px 0 !important;
        border: 0 !important;
        border-bottom: 1px dashed var(--admin-border) !important;
        text-align: left !important;
        overflow-wrap: anywhere;
    }
    table.admin-responsive-table td:last-child { border-bottom: 0 !important; }
    table.admin-responsive-table td::before {
        content: attr(data-label);
        color: var(--admin-muted);
        font-size: .72rem;
        font-weight: 800;
        letter-spacing: .02em;
        text-transform: uppercase;
    }
    table.admin-responsive-table td[colspan] { display: block; }
    table.admin-responsive-table td[colspan]::before { content: none; }

    .admin-back-to-top { right: 14px; bottom: 14px; }
}

@media (max-width: 520px) {
    body.admin-page #admin-main,
    body.admin-page .main-content,
    body.admin-page .layout > main,
    body.admin-page .wrapper > main,
    body.admin-page > main { padding-inline: 10px !important; }

    body.admin-page .card,
    body.admin-page .data-table,
    body.admin-page .form-card,
    body.admin-page .content-card,
    body.admin-page .panel,
    body.admin-page .route-card,
    body.admin-page .upload-card { border-radius: 15px !important; }

    body.admin-page .btn,
    body.admin-page [class*="btn-"] { max-width: 100%; white-space: normal; }

    table.admin-responsive-table td { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}