/**
 * SEREGA.PRO Admin Panel Styles
 */

:root {
    --bg-primary: #0d0d0d;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --bg-hover: #242424;
    --accent: #00e676;
    --accent-dark: #00c853;
    --accent-glow: rgba(0, 230, 118, 0.12);
    --text-primary: #ffffff;
    --text-secondary: #9e9e9e;
    --text-muted: #616161;
    --border: #2d2d2d;
    --border-light: #3d3d3d;
    --danger: #ff5252;
    --warning: #ffab40;
    --success: #00e676;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body { font-family: var(--font); background: var(--bg-primary); color: var(--text-primary); line-height: 1.5; min-height: 100vh; }

/* Login Screen */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    font-weight: 700;
    font-size: 1.5rem;
}

.login-logo__icon {
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 800;
    font-size: 1.5rem;
}

.login-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--text-secondary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.login-error {
    color: var(--danger);
    font-size: 0.875rem;
    min-height: 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn--primary {
    background: var(--accent);
    color: var(--bg-primary);
}

.btn--primary:hover {
    background: var(--accent-dark);
}

.btn--danger {
    background: var(--danger);
    color: white;
}

.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn--ghost:hover {
    border-color: var(--border-light);
    color: var(--text-primary);
}

.btn--outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

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

.btn--sm {
    padding: 8px 14px;
    font-size: 0.8125rem;
}

.btn--full {
    width: 100%;
}

.btn svg {
    width: 16px;
    height: 16px;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar__header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.125rem;
}

.sidebar__logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 800;
}

.sidebar__nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
}

.sidebar__link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar__link.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.sidebar__link svg {
    width: 20px;
    height: 20px;
}

.sidebar__footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.sidebar__logout {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
}

.sidebar__logout:hover {
    background: rgba(255, 82, 82, 0.1);
    color: var(--danger);
}

.sidebar__logout svg {
    width: 20px;
    height: 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 240px;
    min-height: 100vh;
    min-width: 0;
    overflow-x: hidden;
}

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    min-width: 0;
}

.topbar__title {
    font-size: 1.25rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.topbar__user {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
    white-space: nowrap;
}

.topbar__avatar {
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Content Sections */
.content-section {
    display: none;
    padding: 24px;
    max-width: 100%;
    overflow-x: hidden;
}

.content-section.active {
    display: block;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-card__icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.stat-card__icon svg {
    width: 24px;
    height: 24px;
}

.stat-card__value {
    font-size: 1.75rem;
    font-weight: 700;
}

.stat-card__label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.card__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.card__header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card__body {
    padding: 20px;
}

/* Data Tables */
.data-table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.data-table .actions {
    display: flex;
    gap: 8px;
}

.data-table .btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.data-table .btn-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.data-table .btn-icon.danger:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.data-table .btn-icon svg {
    width: 16px;
    height: 16px;
}

/* Filters Bar */
.filters-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.form-select,
.form-input {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-input {
    min-width: 200px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: auto;
    margin: 16px;
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal__title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal__close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.modal__close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal__body {
    padding: 24px;
}

.modal__body .form-group {
    margin-bottom: 16px;
}

.modal__body .form-group:last-child {
    margin-bottom: 0;
}

.modal__body .btn {
    margin-top: 8px;
}

/* Utilities */
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }

/* Recent items list */
.recent-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recent-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.recent-item__title {
    font-weight: 500;
}

.recent-item__meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Uni stats */
.uni-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 8px;
}

.uni-stat:last-child {
    margin-bottom: 0;
}

.uni-stat__name {
    font-weight: 500;
}

.uni-stat__count {
    color: var(--accent);
    font-weight: 600;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge--success { background: rgba(0, 230, 118, 0.15); color: var(--success); }
.badge--warning { background: rgba(255, 171, 64, 0.15); color: var(--warning); }
.badge--danger { background: rgba(255, 82, 82, 0.15); color: var(--danger); }
.badge--info { background: rgba(33, 150, 243, 0.15); color: #2196f3; }

/* Filters bar */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
}
.filters-bar .form-input,
.filters-bar .form-select {
    min-width: 140px;
}

/* Responsive */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .filters-bar {
        flex-direction: column;
    }
    
    .filters-bar .form-input,
    .filters-bar .form-select {
        min-width: 100%;
    }
    
    .modal {
        max-width: calc(100% - 32px);
    }
    
    .topbar {
        padding: 12px 16px;
    }
    
    .content-section {
        padding: 16px;
    }
}

@media (max-width: 1200px) {
    .data-table {
        font-size: 0.8125rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }
}

/* Charts grid */
.charts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.chart-container { position: relative; min-height: 260px; display: flex; align-items: center; justify-content: center; }
.chart-container canvas { max-height: 300px; }

/* Photo upload */
.photo-upload { display: flex; align-items: center; gap: 12px; }
.photo-upload__preview { width: 80px; height: 80px; border-radius: 8px; border: 1px solid var(--border); object-fit: cover; background: var(--bg-hover); }
.photo-upload__btn { cursor: pointer; padding: 8px 16px; background: var(--bg-hover); border: 1px dashed var(--border); border-radius: 8px; color: var(--text-secondary); font-size: 0.85rem; transition: all 0.2s; }
.photo-upload__btn:hover { border-color: var(--accent); color: var(--accent); }

/* Mailing history item */
.mailing-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border); }
.mailing-item:last-child { border-bottom: none; }
.mailing-item__info { display: flex; flex-direction: column; gap: 2px; }
.mailing-item__subject { font-weight: 600; }
.mailing-item__meta { font-size: 0.8rem; color: var(--text-muted); }
.mailing-item__count { color: var(--accent); font-weight: 600; white-space: nowrap; }

/* Template item */
.template-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.template-item:last-child { border-bottom: none; }
.template-item__name { font-weight: 500; }
.template-item__actions { display: flex; gap: 4px; }

/* Client row highlight */
.client-repeat { color: var(--accent); font-weight: 600; }

/* Drop zone for file uploads */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    background: var(--bg-hover);
}
.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}
.drop-zone i { width: 32px; height: 32px; }
.drop-zone span { font-size: 0.9rem; }

/* Bulk upload file list */
.bulk-files { margin-top: 12px; max-height: 200px; overflow-y: auto; }
.bulk-file { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: var(--bg-hover); border-radius: 6px; margin-bottom: 4px; font-size: 0.85rem; }
.bulk-file__name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bulk-file__remove { cursor: pointer; color: var(--danger); background: none; border: none; padding: 2px; }
.bulk-file__remove:hover { opacity: 0.7; }
.bulk-count { font-size: 0.85rem; color: var(--accent); font-weight: 600; margin-top: 8px; }

/* Simple WYSIWYG editor */
.simple-editor { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.simple-editor__toolbar {
    display: flex;
    gap: 2px;
    padding: 6px 8px;
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border);
}
.simple-editor__toolbar button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
}
.simple-editor__toolbar button:hover { background: var(--bg-card); color: var(--text-primary); }
.simple-editor__toolbar button i { width: 16px; height: 16px; }
.simple-editor__sep { width: 1px; background: var(--border); margin: 0 4px; }
.simple-editor__body {
    min-height: 150px;
    padding: 12px 16px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    outline: none;
}
.simple-editor__body:empty::before {
    content: attr(data-placeholder);
    color: var(--text-muted);
}

/* Methodic thumbnail in table */
.methodic-thumb { width: 40px; height: 40px; border-radius: 6px; object-fit: cover; background: var(--bg-hover); }

/* Methodic editor — wider modal */
.modal-overlay.active .modal.modal--wide { max-width: 820px; }
.me-drop-zone { transition: border-color 0.2s; }
.me-drop-zone:hover { border-color: var(--accent) !important; }
.me-var-row:hover { background: var(--bg-hover); }
.me-var-row .form-input { background: transparent; border-color: transparent; min-width: 0; }
.me-var-row .form-input:focus { border-color: var(--accent); background: var(--bg-card); }
.btn--xs { padding: 3px 6px; font-size: 0.75rem; border-radius: 4px; line-height: 1; }

/* Card header with button */
.card__header { display: flex; justify-content: space-between; align-items: center; }

/* Sortable table headers */
.data-table th[style*="cursor:pointer"]:hover { color: var(--accent); }
.data-table th[style*="cursor:pointer"] { user-select: none; white-space: nowrap; }
.client-repeat { color: var(--accent); font-weight: 600; }

/* Bulk file drop zone */
.bulk-drop-zone {
    border: 2px dashed var(--border);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-hover);
    margin-bottom: 12px;
    position: relative;
}
.bulk-drop-zone:hover, .bulk-drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(0, 230, 118, 0.05);
}
.bulk-drop-zone i { color: var(--accent); margin-bottom: 8px; }
.bulk-drop-zone p { margin: 4px 0; color: var(--text-muted); font-size: 0.85rem; }
.bulk-drop-zone .drop-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }

/* Upload progress */
.upload-progress { background: var(--bg-hover); border-radius: 8px; padding: 12px; margin: 8px 0; }
.upload-progress-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; margin-top: 6px; }
.upload-progress-bar-fill { height: 100%; background: var(--accent); transition: width 0.3s; border-radius: 2px; }

/* Task variant detail panel */
.variant-detail { background: var(--bg-hover); border-radius: 8px; padding: 12px; margin: 8px 0; }
.variant-detail-photos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.variant-detail-photo { width: 80px; height: 80px; border-radius: 6px; object-fit: cover; border: 1px solid var(--border); position: relative; }
.variant-detail-photo img { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; }
.variant-detail-photo .del-btn { position: absolute; top: -6px; right: -6px; width: 18px; height: 18px; background: #ff5252; color: #fff; border: none; border-radius: 50%; font-size: 10px; cursor: pointer; display: flex; align-items: center; justify-content: center; }

/* Order detail panel */
.order-detail-grid { display: grid; grid-template-columns: 120px 1fr; gap: 4px 12px; font-size: 0.9rem; }
.order-detail-grid dt { color: var(--text-muted); }
.order-detail-grid dd { margin: 0; font-weight: 500; }
.order-status-select { padding: 4px 8px; border-radius: 6px; font-size: 0.85rem; border: 1px solid var(--border); background: var(--bg-card); color: var(--text-primary); }

/* Stats table */
.stats-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.stats-table th { text-align: left; padding: 8px 12px; color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; border-bottom: 2px solid var(--border); }
.stats-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.stats-table tr:hover td { background: var(--bg-hover); }
.stats-table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* Rich text editor toolbar improvements */
.simple-editor__toolbar button { min-width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; }
.simple-editor__toolbar .sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; display: inline-block; vertical-align: middle; }

/* ─── Mobile responsive ──────────────────────────────── */
@media (max-width: 768px) {
    .admin-layout { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: fixed; bottom: 0; top: auto; z-index: 100; flex-direction: row; padding: 0; border-right: none; border-top: 1px solid var(--border); }
    .sidebar__header { display: none; }
    .sidebar__nav { display: flex; flex-direction: row; overflow-x: auto; padding: 4px 8px; gap: 2px; flex: 1; }
    .sidebar__link { padding: 8px 12px; font-size: 0.75rem; white-space: nowrap; flex-direction: column; gap: 2px; }
    .sidebar__link span { font-size: 0.65rem; }
    .sidebar__link i { width: 18px; height: 18px; }
    .sidebar__footer { display: none; }
    .main-content { margin-left: 0; padding-bottom: 70px; }
    .topbar { padding: 12px 16px; }
    .topbar__title { font-size: 1.1rem; }
    .content-section { padding: 12px; }
    .section-header { flex-direction: column; gap: 8px; align-items: flex-start; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .charts-grid { grid-template-columns: 1fr; }
    .filters-bar { flex-direction: column; gap: 8px; }
    .data-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .data-table { min-width: 600px; }
    .modal-overlay.active .modal { max-width: 95vw; max-height: 90vh; margin: 5vh auto; }
    .modal-overlay.active .modal.modal--wide { max-width: 95vw; }
    .modal__body { max-height: 70vh; overflow-y: auto; }
}