/* ==========================================================================
   Modern Dashboard CSS - Dark Mode / Glassmorphism theme
   ========================================================================== */

:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-indigo: #6366f1;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --gradient-primary: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
    
    --font-family: 'Inter', sans-serif;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Layout */
.dashboard-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
}

.sidebar-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header h2 i {
    -webkit-text-fill-color: var(--accent-blue);
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-links li a {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: 8px;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
}

.nav-links li.active a, .nav-links li a:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-primary);
}

.nav-links li.active a i, .nav-links li a:hover i {
    color: var(--accent-blue);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px 40px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
}

.header-titles h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.header-titles p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    padding: 8px 16px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.user-profile img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

/* Filters Section (CSS Grid) */
.filters-section {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    background: var(--bg-card);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 100;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Grid Spans */
.filter-search { grid-column: span 12; }
.filter-origen { grid-column: span 12; }
.filter-ma { grid-column: span 12; }
.filter-grupo { grid-column: span 12; }
.filter-familia { grid-column: span 12; }
.filter-btn { grid-column: span 12; display: flex; align-items: flex-end; justify-content: flex-end; }

@media (min-width: 768px) {
    .filter-search { grid-column: span 4; }
    .filter-origen { grid-column: span 4; }
    .filter-ma { grid-column: span 4; }
    .filter-grupo { grid-column: span 6; }
    .filter-familia { grid-column: span 6; }
    .filter-btn { grid-column: span 12; }
}

@media (min-width: 1200px) {
    .filter-search { grid-column: span 4; }
    .filter-origen { grid-column: span 3; }
    .filter-ma { grid-column: span 3; }
    .filter-grupo { grid-column: span 4; }
    .filter-familia { grid-column: span 5; }
    .filter-btn { grid-column: span 2; }
}

.filter-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.filter-group input, .filter-group select {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 10px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s ease;
    width: 100%;
}

.filter-group input:focus, .filter-group select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-primary.btn-export-excel {
    width: 100%;
    height: 44px; /* match input height */
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 45px;
}

.btn-primary:hover {
    opacity: 0.9;
}

/* Views Management */
.view-section {
    display: none;
    flex-direction: column;
    flex: 1;
}

.view-section.active-view {
    display: flex;
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform var(--transition-speed);
    backdrop-filter: blur(10px);
}

.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.kpi-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
}

.kpi-icon.blue { color: var(--accent-blue); }
.kpi-icon.indigo { color: var(--accent-indigo); }

.kpi-info h4 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.kpi-info h2 {
    font-size: 1.75rem;
    font-weight: 800;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 1200px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
}

.chart-card h3 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Data Table Section */
.data-table-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.table-responsive {
    overflow: auto;
    flex: 1;
}

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

.data-table th, .data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.data-table th {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    position: sticky;
    top: 0;
    background: #1e293b;
    z-index: 10;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.store-val {
    text-align: center !important;
}

.store-val.has-stock {
    color: var(--accent-green);
    font-weight: 600;
}

.store-val.no-stock {
    color: var(--text-secondary);
    opacity: 0.5;
}

.loading {
    padding: 40px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.pagination {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-page {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-page:hover:not(:disabled) {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-page:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-current {
    font-weight: 600;
    color: var(--text-primary);
}

/* Upload Container */
.upload-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    background: var(--bg-card);
    border: 2px dashed rgba(59, 130, 246, 0.4);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    backdrop-filter: blur(10px);
    margin: 40px 0;
    transition: border-color var(--transition-speed);
}

.upload-container:hover {
    border-color: var(--accent-blue);
}

.upload-icon {
    font-size: 4rem;
    color: var(--accent-green);
    margin-bottom: 24px;
}

.upload-container h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.upload-container p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Choices.js Dark Mode Overrides */
.choices {
    min-width: 250px;
    margin-bottom: 0;
}
.choices__inner {
    background-color: rgba(30, 41, 59, 0.8) !important;
    backdrop-filter: blur(8px) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 8px !important;
    color: var(--text-primary) !important;
    min-height: 42px !important;
}
.choices__input {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}
.choices__list--dropdown {
    background-color: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: var(--text-primary) !important;
    z-index: 9999;
}
.choices__list--dropdown .choices__item--selectable.is-highlighted {
    background-color: var(--accent-blue) !important;
    color: white !important;
}
.choices[data-type*="select-multiple"] .choices__button {
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}
.choices__list--multiple .choices__item {
    background-color: var(--accent-blue) !important;
    border: none !important;
    border-radius: 4px !important;
}