/* Modern Theme Overrides */
:root {
    --primary-color: #4F46E5; /* Indigo 600 */
    --primary-hover: #4338ca;
    --sidebar-bg: #1e293b; /* Slate 800 */
    --sidebar-active: rgba(255, 255, 255, 0.1);
    --secondary-bg: #f3f4f6; /* Gray 100 */
    --card-bg: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --border-color: #e5e7eb;
    
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --font-family-base: 'Manrope', 'Roboto', sans-serif;
}

body {
    background-color: var(--secondary-bg);
    color: var(--text-main);
    font-family: var(--font-family-base);
}

/* --- Sidebar Modernization --- */
.side-bar {
    background: var(--sidebar-bg) !important;
    box-shadow: var(--shadow-lg);
    border-right: 1px solid rgba(255,255,255,0.05);
}

.side-bar-logo {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(0,0,0,0.2);
}

.side-bar-manu li a {
    color: #94a3b8 !important; /* Slate 400 */
    transition: all 0.3s ease;
    border-radius: var(--radius-md);
    margin: 0 10px;
    padding: 10px 15px;
}

.side-bar-manu li a:hover, 
.side-bar-manu li.active > a {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3); /* Glow effect */
}

/* Submenu Tweaks */
.side-bar-manu li .dropdown-menu {
    border-left: 1px solid rgba(255,255,255,0.1);
    margin-left: 25px;
}

/* --- Header Modernization --- */
.main-header-section {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

/* --- Cards & Containers --- */
.card, .cards, .state-overview-box, .erp-graph-box {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    background: var(--card-bg);
}

.state-overview-box:hover, .cards:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.cards {
    padding: 20px; /* Unified padding */
}

/* --- Buttons --- */
.theme-btn, .btn-primary {
    background: var(--primary-color) !important;
    border: none;
    border-radius: var(--radius-md);
    padding: 10px 20px;
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
    font-weight: 600;
    transition: all 0.2s;
}

.theme-btn:hover, .btn-primary:hover {
    background: var(--primary-hover) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(79, 70, 229, 0.3);
}

/* --- Tables --- */
.table thead th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
    padding: 15px;
}

.table tbody td {
    padding: 15px;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.table-hover tbody tr:hover {
    background-color: #f1f5f9;
}

/* --- Form Elements --- */
.form-control {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    background-color: #f9fafb;
    transition: all 0.2s;
}

.form-control:focus {
    background-color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* --- Accessability / Utility --- */
.table-header {
    margin-bottom: 20px;
    padding: 0 !important; /* Reset override */
}

.add-report-btn {
    border-radius: var(--radius-md);
    background: var(--primary-color);
}