:root {
    --primary-color: #F59E0B;
    --primary-dark: #D97706;
    --bg-color: #f8f9fa;
    --text-color: #1f2937;
    --text-secondary: #6b7280;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --sidebar-width: 280px;
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
    width: 100%;
    transition: background-color 0.3s ease, color 0.3s ease;
}

html {
    overflow-x: hidden;
    width: 100%;
}

/* =========================================
   DARK MODE IMPROVEMENTS
   ========================================= */
body.dark-mode {
    --bg-color: #050505;
    /* Deep Black */
    --text-color: #e5e5e5;
    /* Off-white */
    --text-secondary: #a3a3a3;
    /* Neutral Grey */
    --card-bg: #141414;
    /* Rich Dark Grey */
    --border-color: #262626;
    /* Dark Grey Border */
    color-scheme: dark;
}

/* Override Bootstrap Utilities for Dark Mode */
body.dark-mode.bg-light,
body.dark-mode {
    background-color: var(--bg-color) !important;
}

body.dark-mode .bg-white {
    background-color: var(--card-bg) !important;
    /* Match Card BG */
}

body.dark-mode .text-dark {
    color: #f1f5f9 !important;
}

body.dark-mode .text-muted {
    color: var(--text-secondary) !important;
}

body.dark-mode .border-bottom,
body.dark-mode .border-end,
body.dark-mode .border-top,
body.dark-mode .border {
    border-color: var(--border-color) !important;
}

body.dark-mode .card,
body.dark-mode .list-group-item {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

/* Dark Mode Forms */
body.dark-mode .form-control,
body.dark-mode .form-select,
body.dark-mode .input-group-text {
    background-color: #1f1f1f;
    border-color: #333;
    color: #e5e5e5;
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
    background-color: #262626;
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 0 0.25rem rgba(245, 158, 11, 0.15);
}

body.dark-mode .form-control::placeholder {
    color: #94a3b8;
}

/* Dark Mode Tables */
body.dark-mode .table {
    color: var(--text-color);
    border-color: var(--border-color);
}

body.dark-mode .table> :not(caption)>*>* {
    background-color: transparent;
    border-bottom-color: var(--border-color);
    color: var(--text-color);
}

body.dark-mode .table-hover tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

body.dark-mode thead.bg-light {
    background-color: #1a1a1a !important;
    color: var(--text-secondary);
}

/* Dark Mode Modal & Sidebar */
body.dark-mode .sidebar {
    background-color: var(--card-bg) !important;
    border-right-color: var(--border-color) !important;
}

body.dark-mode #mobileMenuBtn {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
}

body.dark-mode #interfaceSize,
body.dark-mode #darkModeToggle {
    border-color: var(--border-color);
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Validation Styles */
.form-control.is-invalid {
    border-color: #ef4444 !important;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23ef4444'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linecap='round' d='M5.8 3.6h.4L6 6.5zM6 8.2af.6.6 0 110-1.2.6.6 0 010 1.2z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-valid {
    border-color: #10b981 !important;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2310b981' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #ef4444;
}

/* Button Improvements */
/* Status Badges */
.badge {
    padding: 0.5em 0.8em;
    font-weight: 600;
    font-size: 0.75rem;
    border-radius: 999px;
    letter-spacing: 0.025em;
}

.badge.in-stock {
    background-color: #dcfce7;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.badge.low-stock {
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

body.dark-mode .badge.in-stock {
    background-color: rgba(21, 128, 61, 0.2);
    color: #4ade80;
    border-color: rgba(21, 128, 61, 0.3);
}

body.dark-mode .badge.low-stock {
    background-color: rgba(185, 28, 28, 0.2);
    color: #f87171;
    border-color: rgba(185, 28, 28, 0.3);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #000;
    /* Black text on Gold */
    font-weight: 700;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #000;
}

.btn {
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-light {
    background-color: #fff;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-light:hover {
    background-color: #f3f4f6;
    border-color: var(--border-color);
}

body.dark-mode .btn-light {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

body.dark-mode .btn-light:hover {
    background-color: #262626;
}

.btn-icon {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background-color 0.2s;
    color: #6b7280;
}

body.dark-mode .btn-icon {
    color: #94a3b8;
}

.btn-icon:hover {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

/* Sidebar Responsive Logic */
@media (max-width: 992px) {
    #sidebar {
        transform: translateX(-100%);
        z-index: 1050;
        padding-top: 80px !important;
        /* Push sidebar content down to avoid button overlap */
    }

    #sidebar.active {
        transform: translateX(0);
        box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
        /* Stronger shadow */
    }

    main.flex-grow-1 {
        margin-left: 0 !important;
        width: 100% !important;
        /* Force fit */
        min-width: 0 !important;
        /* Allow shrinking for flex items */
        padding-top: 100px !important;
        /* Reduced slightly */
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        padding-bottom: 90px !important;
        overflow-x: hidden;
        /* Prevent internal spill */
    }

    #mobileMenuBtn {
        top: 15px !important;
        left: 15px !important;
        width: 48px;
        height: 48px;
        z-index: 1100 !important;
        /* Keep button above sidebar */
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--card-bg);
        border: 1px solid var(--border-color) !important;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1) !important;
    }

    /* Ensure icon color in dark mode */
    body.dark-mode #mobileMenuBtn .material-icons {
        color: var(--text-color) !important;
    }
}

/* Custom Modal Implementation */
.custom-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.custom-modal-backdrop.hidden {
    display: none !important;
    opacity: 0;
    pointer-events: none;
}

.custom-modal-dialog {
    width: 100%;
    max-width: 800px;
    background: transparent;
    animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Nav Links */
.nav-link {
    color: var(--text-secondary);
    padding: 1rem;
    border-radius: 0.75rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s;
}

body.dark-mode .nav-link {
    color: var(--text-secondary);
}

.nav-link:hover {
    background-color: rgba(99, 102, 241, 0.05);
    color: var(--primary-color);
}

body.dark-mode .nav-link:hover {
    background-color: rgba(99, 102, 241, 0.15);
}

.nav-link.active {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    font-weight: 700;
}

body.dark-mode .nav-link.active {
    background-color: rgba(99, 102, 241, 0.25);
}

/* Role Visibility */
.hidden-role {
    display: none !important;
}

/* Floating Action Button */
.fab-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    transition: transform 0.2s;
}

.fab-btn:active {
    transform: scale(0.95);
}

/* Interactive Low Stock Card */
#lowStockCard {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

#lowStockCard:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1) !important;
}

/* =========================================
   MOBILE OPTIMIZATION (Card View for Tables)
   ========================================= */
@media (max-width: 768px) {

    /* Force Table to act like Cards */
    #inventoryTable thead {
        display: none;
    }

    #inventoryTable tbody,
    #inventoryTable tr,
    #inventoryTable td {
        display: block;
        width: 100%;
    }

    #inventoryTable tr {
        margin-bottom: 1rem;
        background-color: var(--card-bg);
        border-radius: 1rem;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        border: 1px solid var(--border-color);
        padding: 1.25rem;
        position: relative;
    }

    #inventoryTable td {
        padding: 0.75rem 0;
        border: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
        border-bottom: 1px solid var(--border-color);
    }

    #inventoryTable td:last-child {
        border-bottom: none;
    }

    #inventoryTable td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        text-transform: uppercase;
        font-size: 0.8rem;
        text-align: left;
        margin-right: 1rem;
    }

    /* Product Name */
    #inventoryTable td[data-label="Producto"] {
        text-align: left;
        font-size: 1.25rem;
        font-weight: 800;
        color: var(--text-color);
        padding-top: 0;
        padding-bottom: 1rem;
        margin-bottom: 0.75rem;
        border-bottom: 2px solid var(--border-color);
    }

    #inventoryTable td[data-label="Producto"]::before {
        display: none;
    }

    /* Actions Row */
    #inventoryTable td[data-label="Acciones"] {
        justify-content: flex-end;
        gap: 15px;
        padding-top: 1.5rem;
        border-top: 1px dashed var(--border-color);
        margin-top: 0.5rem;
    }

    #inventoryTable td[data-label="Acciones"]::before {
        display: none;
    }

    /* Action Buttons Mobile */
    .edit-btn,
    .delete-btn {
        width: 48px;
        height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background-color: rgba(0, 0, 0, 0.05);
    }

    body.dark-mode .edit-btn,
    body.dark-mode .delete-btn {
        background-color: rgba(255, 255, 255, 0.1);
    }

    /* Modal Mobile */
    .custom-modal-dialog {
        margin: 0;
        max-width: 100%;
        height: 100%;
        border-radius: 0;
    }

    .custom-modal-dialog .card {
        border-radius: 0;
        height: 100%;
        display: flex;
        flex-direction: column;
        background-color: var(--card-bg);
    }

    .custom-modal-dialog .card-body {
        overflow-y: auto;
        padding-bottom: 100px;
    }

    /* Reports Section Mobile Adjustments */
    #reports-section .chart-container {
        height: 250px !important;
        /* Smaller charts on mobile */
    }

    #reports-section .card {
        padding: 1rem !important;
        /* Smaller padding */
        border-radius: 1rem !important;
    }

    #reports-section .table-responsive {
        border-radius: 0.5rem;
        border: 1px solid var(--border-color);
    }

    /* Font sizes for tables in reports */
    #salesTable th,
    #salesTable td,
    #lowStockTable th,
    #lowStockTable td {
        font-size: 0.8rem;
        white-space: nowrap;
        /* Prevent wrapping but allow scroll */
    }

    /* Adjust month selector on mobile */
    #monthSelector {
        min-width: 120px !important;
        max-width: 140px;
    }
}

/* Bootstrap Overrides for Gold Theme */
.text-primary {
    color: #b45309 !important;
    /* Dark Amber */
}

.bg-primary-subtle {
    background-color: #fffbeb !important;
    color: #b45309 !important;
}

.border-primary {
    border-color: #f59e0b !important;
}

/* Sidebar Active State Fix */
.nav-link.active {
    background-color: #fffbeb !important;
    color: #b45309 !important;
}

.nav-link:hover {
    color: #b45309 !important;
}

/* Spinner */
.spinner-border.text-primary {
    color: #f59e0b !important;
}