/* 
 * KGL Groceries LTD - Main Stylesheet
 * Author: KGL Groceries LTD
 * Date: 2025
 * Description: Custom styles for the inventory management system.
 *              Builds upon Bootstrap 5.
 */

/* =========================================
   1. Variables & Theme Configuration
   ========================================= */
:root {
    /* Brand Colors - Fresh & Organic Feel */
    --primary-color: #2E7D32;       /* Deep Green */
    --primary-hover: #1B5E20;       /* Darker Green */
    --secondary-color: #81C784;     /* Light Green */
    --accent-color: #FFC107;        /* Amber for alerts/highlights */
    --danger-color: #D32F2F;        /* Red for critical actions */
    
    /* Neutral Colors */
    --bg-light: #F8F9FA;            /* Light Grey Background */
    --text-dark: #2C3E50;           /* Dark Blue/Grey Text */
    --text-muted: #6C757D;          /* Grey Text */
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    
    /* Layout */
    --sidebar-width: 250px;
    --header-height: 60px;
    --sidebar-collapsed-width: 72px;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    overflow-x: hidden;
}

/* =========================================
   2. Utilities & Components
   ========================================= */

/* Custom Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

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

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 20px;
}

.card:hover {
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-weight: 600;
    padding: 15px 20px;
    border-radius: 12px 12px 0 0 !important;
}

/* =========================================
   3. Sidebar Navigation
   ========================================= */
.sidebar {
    height: 100vh;
    width: var(--sidebar-width);
    position: fixed;
    top: 0;
    left: 0;
    background-color: #fff;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    z-index: 1000;
    padding-top: var(--header-height);
    transition: all 0.3s ease;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0,0,0,0.08);
    background-color: #fff;
}

.sidebar-brand {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary-color);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 0 10px;
}

.sidebar-brand .sidebar-collapse-btn {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.sidebar.collapsed .sidebar-brand .brand-text {
    display: none;
}

.sidebar.collapsed .sidebar-brand .sidebar-collapse-btn {
    left: 8px;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
    margin: 0;
}

.sidebar-menu li {
    padding: 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 12px 25px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar-menu a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
    color: var(--text-muted);
}

.sidebar-menu a .label {
    margin-left: 8px;
}

.sidebar.collapsed .sidebar-menu a {
    justify-content: center;
}

.sidebar.collapsed .sidebar-menu a i {
    margin-right: 0;
}

.sidebar.collapsed .sidebar-menu a .label {
    display: none;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background-color: #e8f5e9; /* Light Green Tint */
    color: var(--primary-color);
    border-right: 4px solid var(--primary-color);
}

.sidebar-menu a:hover i, .sidebar-menu a.active i {
    color: var(--primary-color);
}

/* =========================================
   4. Main Content Area
   ========================================= */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    padding-top: calc(var(--header-height) + 20px);
    transition: all 0.3s ease;
}

.main-content.collapsed {
    margin-left: var(--sidebar-collapsed-width);
}

/* Top Navbar */
.top-navbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    transition: all 0.3s ease;
}

.top-navbar.collapsed {
    left: var(--sidebar-collapsed-width);
}

.user-profile {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.user-profile img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    margin-right: 10px;
    object-fit: cover;
}

/* =========================================
   5. Dashboard Specifics
   ========================================= */

/* KPI Cards */
.kpi-card {
    border-left: 4px solid var(--primary-color);
}
.kpi-card.warning { border-left-color: var(--accent-color); }
.kpi-card.danger { border-left-color: var(--danger-color); }

.kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
}

.kpi-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Table Styles */
.table-custom thead th {
    background-color: #f1f3f5;
    border-bottom: 2px solid #dee2e6;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.table-custom tbody tr:hover {
    background-color: #f8f9fa;
}

/* Login Page Specific */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .sidebar {
        left: -100%;
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .top-navbar {
        left: 0;
    }
}

/* =========================================
   6. Boxed Layout (Removed per user request)
   ========================================= */
/* Boxed layout styles removed to allow full width on all screens */

/* =========================================
   7. Custom Toast Notifications
   ========================================= */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.custom-toast {
    min-width: 250px;
    margin-bottom: 10px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    padding: 15px 20px;
    transform: translateX(120%);
    transition: transform 0.3s ease-in-out;
    border-left: 5px solid #ccc;
}

.custom-toast.show {
    transform: translateX(0);
}

.custom-toast.success {
    border-left-color: var(--primary-color);
}

.custom-toast.error {
    border-left-color: var(--danger-color);
}

.custom-toast i {
    font-size: 1.2rem;
    margin-right: 15px;
}

.custom-toast.success i {
    color: var(--primary-color);
}

.custom-toast.error i {
    color: var(--danger-color);
}

.toast-message {
    font-weight: 500;
    color: var(--text-dark);
}

/* =========================================
   8. Print Styles
   ========================================= */
@media print {
    body {
        background: #fff !important;
    }
    .sidebar,
    .top-navbar,
    .sidebar-collapse-btn,
    .btn,
    .card-footer,
    nav.pagination,
    .dropdown,
    .user-profile {
        display: none !important;
    }
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        page-break-inside: avoid;
    }
    table {
        page-break-inside: auto;
    }
    tr {
        page-break-inside: avoid;
        page-break-after: auto;
    }
    .table td, .table th {
        border-color: #aaa !important;
    }
}