/* ============================================================
   ODREE — стили в дизайне Affan
   Тёмно-синий #0134d4 + зелёный акцент, шрифт Poppins
   ============================================================ */

/* ---------- Переменные ---------- */
:root {
    /* Основная палитра */
    --primary:        #0134d4;
    --primary-hover:  #0128a8;
    --primary-dark:   #01208a;
    --primary-light:  #e8eeff;
    --primary-soft:   #f4f7ff;

    --success:        #28a745;
    --success-hover:  #1e8e36;
    --success-light:  #e6f4ea;

    --danger:         #dc3545;
    --danger-light:   #fdecef;

    --warning:        #f0a020;
    --warning-light:  #fff6e5;

    --info:           #17a2b8;
    --info-light:     #e3f4f8;

    /* Нейтральные */
    --bg:             #f5f7fb;
    --bg-alt:         #eef2f8;
    --card:           #ffffff;
    --text:           #1a1a2e;
    --text-muted:     #7a8194;
    --text-soft:      #a3a9b8;
    --border:         #eaecef;
    --border-strong:  #d8dce4;

    /* Размеры */
    --sidebar-w:      260px;
    --header-h:       62px;
    --radius-sm:      10px;
    --radius:         14px;
    --radius-lg:      20px;
    --radius-pill:    50rem;

    /* Тени */
    --shadow-xs: 0 1px 2px rgba(1, 52, 212, 0.04);
    --shadow-sm: 0 2px 6px rgba(1, 52, 212, 0.06);
    --shadow-md: 0 6px 18px rgba(1, 52, 212, 0.08);
    --shadow-lg: 0 12px 32px rgba(1, 52, 212, 0.12);

    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #0134d4 0%, #4a70f5 100%);
    --gradient-success: linear-gradient(135deg, #28a745 0%, #4bc669 100%);
    --gradient-profile: linear-gradient(135deg, #0134d4 0%, #28a745 100%);
}

/* ---------- База ---------- */
* { box-sizing: border-box; }

html, body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .15s;
}
a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}

/* Скроллбар */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-soft); }

/* ============================================================
   ШАПКА
   ============================================================ */
.vk-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 20px;
    z-index: 100;
    box-shadow: var(--shadow-xs);
}

.vk-logo {
    font-weight: 700;
    font-size: 22px;
    color: var(--primary);
    margin-right: 28px;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform .15s;
}
.vk-logo::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 22px;
    border-radius: 4px;
    background: var(--gradient-primary);
}
.vk-logo:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

.vk-header-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 14px;
}

.vk-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

/* ============================================================
   САЙДБАР
   ============================================================ */
.vk-sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 0;
    overflow-y: auto;
    z-index: 90;
}

/* Профиль сверху сайдбара */
.vk-nav-profile {
    background: var(--gradient-profile);
    padding: 24px 20px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.vk-nav-profile::before {
    content: '';
    position: absolute;
    top: -30px; right: -30px;
    width: 120px; height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,.12);
}
.vk-nav-profile::after {
    content: '';
    position: absolute;
    bottom: -40px; left: -20px;
    width: 90px; height: 90px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
}
.vk-nav-profile-avatar {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    border: 2px solid rgba(255,255,255,.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}
.vk-nav-profile-name {
    font-weight: 600;
    font-size: 15px;
    position: relative;
    z-index: 1;
}
.vk-nav-profile-role {
    font-size: 12px;
    opacity: .85;
    position: relative;
    z-index: 1;
}

.vk-nav {
    list-style: none;
    margin: 0;
    padding: 12px 10px 24px;
}
.vk-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--text);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 2px;
    transition: all .15s;
    position: relative;
}
.vk-nav a:hover {
    background: var(--primary-soft);
    color: var(--primary);
    text-decoration: none;
    transform: translateX(2px);
}
.vk-nav a.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}
.vk-nav a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}
.vk-nav .nav-icon {
    width: 20px;
    text-align: center;
    font-size: 16px;
    opacity: .85;
    flex-shrink: 0;
}
.vk-nav a.active .nav-icon {
    opacity: 1;
}

.vk-nav-section {
    padding: 16px 14px 6px;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-soft);
    letter-spacing: 0.6px;
    font-weight: 600;
}

/* ============================================================
   КОНТЕНТ
   ============================================================ */
.vk-main {
    margin-left: var(--sidebar-w);
    padding: calc(var(--header-h) + 24px) 28px 48px;
    max-width: 1200px;
    min-height: 100vh;
}

.vk-page-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 22px;
    color: var(--text);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.vk-page-title::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 26px;
    border-radius: 3px;
    background: var(--gradient-primary);
}

/* Element heading (маленький заголовок секции) */
.element-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* ============================================================
   КАРТОЧКИ
   ============================================================ */
.vk-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
    transition: box-shadow .2s, transform .2s, border-color .2s;
}
.vk-card:hover {
    box-shadow: var(--shadow-md);
}

.vk-card-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Акцентная карточка */
.vk-card-accent {
    border-left: 4px solid var(--primary);
}

/* Градиентная карточка */
.vk-card-gradient {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
}
.vk-card-gradient .vk-card-title {
    color: #fff;
    border-color: rgba(255,255,255,.2);
}

/* ============================================================
   ТАБЛИЦА
   ============================================================ */
.vk-table-wrap {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.vk-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.vk-table th,
.vk-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    font-size: 13.5px;
}
.vk-table th {
    background: #fafbfd;
    font-weight: 600;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    padding-top: 14px;
    padding-bottom: 14px;
}
.vk-table tr:last-child td {
    border-bottom: none;
}
.vk-table tbody tr {
    transition: background .12s;
}
.vk-table tbody tr:hover td {
    background: var(--primary-soft);
}
.vk-table a {
    font-weight: 500;
}

/* ============================================================
   КНОПКИ
   ============================================================ */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 13.5px;
    padding: 8px 16px;
    transition: all .15s;
    border-width: 1.5px;
    font-family: inherit;
}
.btn:focus,
.btn:active:focus {
    box-shadow: 0 0 0 3px rgba(1, 52, 212, .15);
}
.btn-sm {
    padding: 5px 12px;
    font-size: 12.5px;
    border-radius: 8px;
}
.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
    border-radius: var(--radius);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}
.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success);
    border-color: var(--success);
}
.btn-success:hover {
    background: var(--success-hover);
    border-color: var(--success-hover);
    transform: translateY(-1px);
}

.btn-outline-success {
    color: var(--success);
    border-color: var(--success);
}
.btn-outline-success:hover {
    background: var(--success);
    border-color: var(--success);
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
}
.btn-danger:hover {
    background: #bd2c3c;
    border-color: #bd2c3c;
}

.btn-warning {
    background: var(--warning);
    border-color: var(--warning);
    color: #fff;
}
.btn-warning:hover {
    background: #d8901a;
    border-color: #d8901a;
    color: #fff;
}

.btn-light {
    background: #fff;
    border-color: var(--border-strong);
    color: var(--text);
}
.btn-light:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
}

/* Круглая кнопка */
.btn-round {
    border-radius: var(--radius-pill);
}

/* Кнопка-иконка */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Градиентная кнопка (Creative) */
.btn-creative {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    position: relative;
    overflow: hidden;
}
.btn-creative::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
    transition: left .5s;
}
.btn-creative:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-creative:hover::after {
    left: 100%;
}

/* ============================================================
   ФОРМЫ
   ============================================================ */
.form-label {
    font-weight: 500;
    font-size: 13px;
    color: var(--text);
    margin-bottom: 6px;
}

.form-control,
.form-select {
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
    padding: 9px 14px;
    font-size: 14px;
    transition: all .15s;
    background: #fff;
    color: var(--text);
}
.form-control::placeholder {
    color: var(--text-soft);
}
.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(1, 52, 212, .12);
    background: #fff;
}

.form-control-sm {
    padding: 6px 10px;
    font-size: 13px;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 5px;
}

/* ============================================================
   БЕЙДЖИ
   ============================================================ */
.badge {
    font-weight: 600;
    font-size: 11px;
    padding: 5px 10px;
    border-radius: var(--radius-pill);
    letter-spacing: 0.2px;
}

.badge.bg-primary { background: var(--primary) !important; }
.badge.bg-success { background: var(--success) !important; }
.badge.bg-danger  { background: var(--danger)  !important; }
.badge.bg-warning { background: var(--warning) !important; color: #fff !important; }
.badge.bg-info    { background: var(--info)    !important; color: #fff !important; }
.badge.bg-secondary { background: #8792a8 !important; }
.badge.bg-dark    { background: #2a2f45 !important; }
.badge.bg-light   { background: var(--bg-alt) !important; color: var(--text) !important; }

/* ============================================================
   ФОТОАЛЬБОМ
   ============================================================ */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
}
.photo-item {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-alt);
    border: 2px solid transparent;
    transition: transform .15s, box-shadow .15s;
    box-shadow: var(--shadow-xs);
}
.photo-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.photo-item.is-main {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(1, 52, 212, .15), var(--shadow-sm);
}
.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.photo-item .photo-actions {
    position: absolute;
    bottom: 8px;
    left: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity .15s;
}
.photo-item:hover .photo-actions {
    opacity: 1;
}
.photo-item .photo-actions .btn {
    padding: 3px 9px;
    font-size: 12px;
    border-radius: 8px;
    backdrop-filter: blur(6px);
    background: rgba(255,255,255,.92);
    border: none;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.photo-item .photo-actions .btn:hover {
    background: #fff;
}
.photo-main-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.4px;
    box-shadow: var(--shadow-sm);
}

/* ============================================================
   FLASH-СООБЩЕНИЯ
   ============================================================ */
.flash-wrap {
    position: fixed;
    top: calc(var(--header-h) + 16px);
    right: 24px;
    z-index: 200;
    max-width: 380px;
    animation: slideInRight .3s ease;
}
@keyframes slideInRight {
    from { transform: translateX(120%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

.alert {
    border-radius: var(--radius);
    border: none;
    padding: 14px 18px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success {
    background: var(--success-light);
    color: #166534;
    border-left: 4px solid var(--success);
}
.alert-danger {
    background: var(--danger-light);
    color: #842029;
    border-left: 4px solid var(--danger);
}
.alert-warning {
    background: var(--warning-light);
    color: #7a4a00;
    border-left: 4px solid var(--warning);
}
.alert-info {
    background: var(--info-light);
    color: #055160;
    border-left: 4px solid var(--info);
}

/* ============================================================
   СТРАНИЦА ЛОГИНА
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    padding: 20px;
}
.login-page::before,
.login-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
}
.login-page::before {
    width: 400px; height: 400px;
    top: -150px; right: -100px;
}
.login-page::after {
    width: 300px; height: 300px;
    bottom: -120px; left: -80px;
}

.login-box {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 42px 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .2);
    position: relative;
    z-index: 1;
}
.login-logo {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.login-logo::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 32px;
    border-radius: 5px;
    background: var(--gradient-primary);
}
.login-sub {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 13.5px;
}

/* ============================================================
   МОБИЛЬНОЕ МЕНЮ (Burger)
   ============================================================ */
#burger {
    display: none;
    background: transparent;
    border: none;
    font-size: 22px;
    color: var(--primary);
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 8px;
}
#burger:hover {
    background: var(--primary-soft);
}

/* ============================================================
   УТИЛИТЫ
   ============================================================ */
.text-muted { color: var(--text-muted) !important; }

/* Карточка-счётчик на дашборде */
.vk-stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform .2s, box-shadow .2s;
    position: relative;
    overflow: hidden;
}
.vk-stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gradient-primary);
}
.vk-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.vk-stat-value {
    font-size: 38px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.vk-stat-label {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
}

/* Разделитель */
.vk-divider {
    height: 1px;
    background: var(--border);
    margin: 16px 0;
    border: none;
}

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width: 992px) {
    .vk-sidebar {
        transform: translateX(-100%);
        transition: transform .25s ease;
        box-shadow: 0 0 40px rgba(0,0,0,.1);
    }
    .vk-sidebar.open {
        transform: translateX(0);
    }
    .vk-main {
        margin-left: 0;
        padding-left: 16px;
        padding-right: 16px;
        padding-top: calc(var(--header-h) + 16px);
    }
    #burger {
        display: inline-block;
    }
    .flash-wrap {
        left: 16px;
        right: 16px;
        max-width: none;
    }
    .vk-page-title {
        font-size: 20px;
    }
    .vk-card {
        padding: 16px;
    }
    .vk-table th,
    .vk-table td {
        padding: 10px 12px;
        font-size: 13px;
    }
}

@media (max-width: 576px) {
    .vk-header {
        padding: 0 12px;
    }
    .vk-logo {
        font-size: 18px;
        margin-right: 12px;
    }
    .login-box {
        padding: 32px 24px;
    }
    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 8px;
    }
    .vk-table {
        font-size: 12.5px;
    }
}

/* ============================================================
   ТЁМНАЯ ТЕМА (автоматически по prefers-color-scheme)
   ============================================================ */
@media (prefers-color-scheme: dark) {
    /* Закомментировано по умолчанию. Раскомментируйте, если нужна автотёмная тема.
    
    :root {
        --bg: #0f1424;
        --bg-alt: #1a2035;
        --card: #171c2e;
        --text: #e8ebf2;
        --text-muted: #8b93a8;
        --text-soft: #596079;
        --border: #262c42;
        --border-strong: #363d57;
        --primary-light: #1a2350;
        --primary-soft: #141b3a;
    }
    body { background: var(--bg); }
    .vk-header, .vk-sidebar, .vk-card, .vk-table { background: var(--card); }
    .vk-table th { background: var(--bg-alt); }
    */
}