/* ==========================================================================
   Modern theme layer for the admin panel (AdminLTE 3 overrides)
   Light + Dark mode via CSS custom properties. Loaded after admin.css.
   ========================================================================== */

:root {
    --bg: #f3f5f9;
    --surface: #ffffff;
    --surface-2: #f7f8fc;
    --border: #e7eaf1;
    --text: #2b3044;
    --muted: #828a9b;
    --primary: #5b6cf0;
    --primary-hover: #4555e0;
    --primary-soft: rgba(91, 108, 240, 0.12);
    --sidebar-bg: #1c2030;
    --sidebar-text: #aeb6c7;
    --sidebar-active: #5b6cf0;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 1px 2px rgba(20, 24, 40, 0.04), 0 4px 16px rgba(20, 24, 40, 0.06);
    --shadow-sm: 0 1px 3px rgba(20, 24, 40, 0.07);
}

body.dark-mode {
    --bg: #0f1118;
    --surface: #181b25;
    --surface-2: #20242f;
    --border: #2b3040;
    --text: #e6e8ef;
    --muted: #8b93a5;
    --primary: #6d7cf5;
    --primary-hover: #818df7;
    --primary-soft: rgba(109, 124, 245, 0.18);
    --sidebar-bg: #0c0e15;
    --sidebar-text: #9aa2b4;
    --sidebar-active: #6d7cf5;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 6px 20px rgba(0, 0, 0, 0.35);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.45);
}

/* ---------- Base ---------- */
body,
.wrapper {
    font-family: 'IBM Plex Sans', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg) !important;
    color: var(--text);
    transition: background-color .25s ease, color .25s ease;
}

.content-wrapper {
    background: var(--bg) !important;
    color: var(--text);
}

a {
    color: var(--primary);
}
a:hover {
    color: var(--primary-hover);
}

.content-header h1 {
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: 1.6rem;
}

/* ---------- Navbar ---------- */
.main-header.navbar {
    background: var(--surface) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: none;
}
.main-header.navbar .nav-link {
    color: var(--text) !important;
    border-radius: var(--radius-sm);
    transition: background-color .15s ease;
}
.main-header.navbar .nav-link:hover {
    background: var(--primary-soft);
    color: var(--primary) !important;
}

/* ---------- Sidebar ---------- */
.main-sidebar {
    background: var(--sidebar-bg) !important;
    box-shadow: none !important;
}
/* Скрываем полосу прокрутки сайдбара по обеим осям (скролл колёсиком сохраняется) */
.main-sidebar,
.main-sidebar * {
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
}
.main-sidebar::-webkit-scrollbar,
.main-sidebar *::-webkit-scrollbar {
    width: 0 !important;
    height: 0 !important;
    display: none !important;
}
.main-sidebar .os-scrollbar,
.main-sidebar .os-scrollbar-horizontal,
.main-sidebar .os-scrollbar-vertical {
    display: none !important;
}
/* Никакого горизонтального переполнения — в т.ч. в свёрнутом (мини) режиме */
.main-sidebar,
.main-sidebar .sidebar {
    overflow-x: hidden !important;
}
body.sidebar-collapse .sidebar .nav-sidebar .nav-link {
    margin-left: 6px;
    margin-right: 6px;
}
.main-sidebar .brand-link,
.main-sidebar .user-panel {
    border-color: rgba(255, 255, 255, 0.06) !important;
}
.sidebar .nav-sidebar .nav-link {
    color: var(--sidebar-text) !important;
    border-radius: 9px;
    margin: 1px 8px;
    padding: 7px 12px;
    transition: background-color .15s ease, color .15s ease;
}
.sidebar .nav-sidebar > .nav-item > .nav-link.active,
.sidebar .nav-sidebar .nav-link.active {
    background: var(--sidebar-active) !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(91, 108, 240, 0.35);
}
.sidebar .nav-sidebar .nav-link:hover {
    background: rgba(255, 255, 255, 0.06) !important;
    color: #fff !important;
}
.sidebar .nav-treeview .nav-link {
    padding-left: 18px;
    font-size: .92rem;
}
.user-panel .info a {
    color: #fff !important;
    font-weight: 600;
}

/* ---------- Cards ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: background-color .25s ease, border-color .25s ease;
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 1rem 1.25rem;
}
.card-title {
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: -0.01em;
}
.card-body {
    color: var(--text);
}
.card-footer {
    background: transparent;
    border-top: 1px solid var(--border);
}

/* ---------- Small boxes (dashboard) ---------- */
.small-box {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.small-box > .inner {
    padding: 18px;
}
.small-box h3 {
    font-weight: 700;
    letter-spacing: -0.03em;
}
.small-box .icon > i {
    opacity: .25;
}
.small-box .small-box-footer {
    background: rgba(0, 0, 0, 0.12);
    transition: background-color .15s ease;
}
.small-box:hover {
    transform: translateY(-2px);
    transition: transform .15s ease;
}

/* ---------- Buttons ---------- */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: filter .15s ease, transform .05s ease;
}
.btn:active {
    transform: translateY(1px);
}
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}
.btn-sm {
    border-radius: 7px;
}

/* ---------- Tables ---------- */
.table {
    color: var(--text);
}
.table thead th {
    border-bottom: 2px solid var(--border) !important;
    text-transform: uppercase;
    font-size: .74rem;
    letter-spacing: .04em;
    color: var(--muted);
    font-weight: 600;
}
.table td,
.table th {
    border-color: var(--border) !important;
    vertical-align: middle;
}
.table-bordered,
.table-bordered td,
.table-bordered th {
    border-color: var(--border) !important;
}
.table-striped tbody tr:nth-of-type(odd) {
    background: var(--surface-2);
}
.table-hover tbody tr:hover {
    background: var(--primary-soft);
}

/* ---------- Forms ---------- */
.form-control,
.custom-select,
.custom-file-label,
textarea.form-control,
select.form-control {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.form-control:focus,
.custom-select:focus {
    background: var(--surface);
    border-color: var(--primary);
    color: var(--text);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
.form-control::placeholder {
    color: var(--muted);
}
label {
    font-weight: 500;
    color: var(--text);
}
.custom-file-label::after {
    background: var(--surface-2);
    color: var(--text);
    border-left: 1px solid var(--border);
}
.input-group-text {
    background: var(--surface-2);
    border-color: var(--border);
    color: var(--text);
}

/* ---------- Misc ---------- */
.breadcrumb {
    background: transparent;
}
.badge {
    border-radius: 6px;
    font-weight: 600;
}
.alert {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
}
.page-link {
    color: var(--primary);
    background: var(--surface);
    border-color: var(--border);
}
.main-footer {
    background: var(--surface) !important;
    border-top: 1px solid var(--border) !important;
    color: var(--muted);
    border-radius: 0;
}

/* ---------- DataTables in dark ---------- */
body.dark-mode .dataTables_wrapper,
body.dark-mode .dataTables_wrapper .dataTables_info,
body.dark-mode .dataTables_wrapper .dataTables_filter,
body.dark-mode .dataTables_wrapper .dataTables_length,
body.dark-mode .dataTables_wrapper .dataTables_paginate {
    color: var(--text);
}
body.dark-mode table.dataTable tbody tr {
    background: var(--surface);
}
body.dark-mode .dt-button {
    background: var(--surface-2) !important;
    color: var(--text) !important;
    border-color: var(--border) !important;
    border-radius: var(--radius-sm) !important;
}

/* ---------- Dark-mode form fix for native controls ---------- */
body.dark-mode {
    color-scheme: dark;
}

/* ---------- Theme toggle button ---------- */
#theme-toggle {
    cursor: pointer;
}

/* ---------- Login page ---------- */
.login-page {
    background: radial-gradient(1200px 600px at 50% -10%, var(--primary-soft), transparent), var(--bg) !important;
}
.login-box .card {
    box-shadow: var(--shadow);
}
.login-box .card-header .h1 {
    color: var(--text);
    letter-spacing: -0.02em;
}
.login-box .card.card-outline.card-primary {
    border-top: 3px solid var(--primary);
}