/* =====================================================
   Arpa Fashion BD - Premium Dashboard Styles
   ===================================================== */

/* --- CSS Variables (Theme System) --- */
:root {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-sidebar: #0f0f23;
    --bg-topbar: rgba(255,255,255,0.85);
    --bg-input: #f1f3f9;
    --text-primary: #1a1a2e;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --accent: #667eea;
    --accent-hover: #5a6fd6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #0a0a1a;
    --bg-secondary: #12122a;
    --bg-card: #161635;
    --bg-sidebar: #0a0a1a;
    --bg-topbar: rgba(10,10,26,0.9);
    --bg-input: rgba(255,255,255,0.06);
    --text-primary: #f1f1f1;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-color: rgba(255,255,255,0.08);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
}

/* --- Base --- */
* { box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
}

/* --- Sidebar --- */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: var(--bg-sidebar);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    border-right: 1px solid rgba(255,255,255,0.06);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon-sm {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
}

.logo-text {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    white-space: nowrap;
}

.sidebar-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 20px;
    cursor: pointer;
}

.sidebar-nav {
    padding: 8px 12px;
    flex: 1;
    overflow-y: auto;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
}

.sidebar-nav .nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.sidebar-nav .nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 4px 15px rgba(102,126,234,0.3);
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

/* --- Main Content --- */
.main-content {
    margin-left: 260px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* --- Topbar --- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--bg-topbar);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-primary);
    cursor: pointer;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.theme-toggle:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* --- Page Content --- */
.page-content {
    padding: 28px;
}

/* --- Summary Cards --- */
.summary-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
}

.summary-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.card-sales::before { background: var(--info); }
.card-sales .card-icon { background: rgba(59,130,246,0.1); color: var(--info); }

.card-income::before { background: var(--success); }
.card-income .card-icon { background: rgba(16,185,129,0.1); color: var(--success); }

.card-expense::before { background: var(--danger); }
.card-expense .card-icon { background: rgba(239,68,68,0.1); color: var(--danger); }

.card-return::before { background: var(--warning); }
.card-return .card-icon { background: rgba(245,158,11,0.1); color: var(--warning); }

.card-profit::before { background: #8b5cf6; }
.card-profit .card-icon { background: rgba(139,92,246,0.1); color: #8b5cf6; }

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.card-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.card-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
}

.card-header h6 {
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* --- Filter Bar --- */
.filter-bar {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-filter {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.btn-filter.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(102,126,234,0.3);
}

/* --- Forms --- */
.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 10px 14px;
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.15);
    color: var(--text-primary);
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* --- Tables --- */
.table {
    color: var(--text-primary);
    margin: 0;
}

.table thead th {
    background: var(--bg-input);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(102,126,234,0.04);
}

.table .sortable {
    cursor: pointer;
    user-select: none;
}

.table .sortable:hover {
    color: var(--accent);
}

.sort-icon {
    font-size: 10px;
    margin-left: 4px;
    opacity: 0.4;
}

.summary-row {
    background: var(--bg-input) !important;
    font-weight: 700;
}

.summary-row td {
    border-top: 2px solid var(--accent);
}

/* --- Buttons --- */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    padding: 10px 20px;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102,126,234,0.4);
    color: #fff;
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background: var(--bg-input);
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* --- Entry Form Card --- */
.entry-form-card .card-body {
    padding: 20px;
}

/* --- Pagination --- */
.pagination .page-link {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    margin: 0 2px;
    font-size: 13px;
    padding: 6px 12px;
    transition: var(--transition);
}

.pagination .page-link:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.pagination .page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(102,126,234,0.3);
}

/* --- Action Buttons --- */
.btn-action {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: var(--transition);
    cursor: pointer;
    background: var(--bg-input);
    color: var(--text-secondary);
}

.btn-action:hover {
    transform: scale(1.1);
}

.btn-action.edit:hover {
    background: rgba(59,130,246,0.1);
    color: var(--info);
}

.btn-action.delete:hover {
    background: rgba(239,68,68,0.1);
    color: var(--danger);
}

/* --- Sidebar Overlay (Mobile) --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
    backdrop-filter: blur(4px);
}

.sidebar-overlay.show {
    display: block;
}

/* --- Alert --- */
.alert {
    border-radius: var(--radius-md);
    border: none;
    font-size: 14px;
    padding: 12px 16px;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15);
    border-radius: 10px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.summary-card { animation: fadeInUp 0.5s ease backwards; }
.summary-card:nth-child(1) { animation-delay: 0.05s; }
.summary-card:nth-child(2) { animation-delay: 0.1s; }
.summary-card:nth-child(3) { animation-delay: 0.15s; }
.summary-card:nth-child(4) { animation-delay: 0.2s; }
.summary-card:nth-child(5) { animation-delay: 0.25s; }

/* --- Responsive --- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .page-content {
        padding: 16px;
    }
    .topbar {
        padding: 12px 16px;
    }
    .card-value {
        font-size: 18px;
    }
}

@media (max-width: 575.98px) {
    .summary-card {
        padding: 16px;
    }
    .card-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    .card-value {
        font-size: 16px;
    }
    .card-label {
        font-size: 11px;
    }
    .filter-group {
        flex-wrap: wrap;
    }
    .btn-filter {
        padding: 5px 10px;
        font-size: 12px;
    }
}

/* --- Chart Cards --- */
.card .card-body [id^="chart"] {
    min-height: 300px;
}

/* --- Loading State --- */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Badge --- */
.badge {
    font-weight: 600;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 6px;
}

/* --- Dropdown --- */
.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: rgba(102,126,234,0.08);
    color: var(--accent);
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

/* --- Sidebar Logo Image --- */
.sidebar-logo-img {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    object-fit: contain;
    background: rgba(255,255,255,0.1);
    flex-shrink: 0;
}

/* --- Logo Preview --- */
.logo-preview-container {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.logo-preview-img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    object-fit: contain;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.logo-placeholder {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 24px;
}