:root {
    --primary-color: #003366;
    --secondary-color: #0069d9;
    --accent-color: #ff9900;
    --text-color: #333;
    --bg-color: #f4f6f9;
    --sidebar-width: 260px;
    --card-radius: 16px;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    color: var(--text-color);
}

/* Dashboard Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Enhanced Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #003366 0%, #002244 100%);
    color: white;
    position: fixed;
    height: 100%;
    transition: all 0.3s;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sidebar-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.2);
    padding: 3px;
    margin-bottom: 10px;
}

/* Utility Classes */
.sidebar-title {
    margin: 10px 0 0;
    font-weight: 600;
    letter-spacing: 1px;
    font-size: 1.1rem;
}

.flex-grow {
    flex: 1;
}

.mr-2 {
    margin-right: 10px;
}

.mt-1 {
    margin-top: 5px;
}

.mt-2 {
    margin-top: 10px;
}

.mt-3 {
    margin-top: 15px;
}

.mt-4 {
    margin-top: 20px;
}

.mt-5 {
    margin-top: 30px;
}

.mb-3 {
    margin-bottom: 15px;
}

.font-bold {
    font-weight: bold;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: #6c757d;
}

.subtitle {
    font-size: 0.9rem;
    margin-top: 5px;
}

.card-title {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 600;
}

.arrow-icon {
    margin-left: auto;
    color: #ccc;
}

.section-header {
    margin-top: 30px;
    margin-bottom: 20px;
    color: var(--primary-color);
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    font-size: 1.1rem;
}

.section-header:first-of-type {
    margin-top: 0;
}

/* Dashboard Stats Grid Refinement */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 576px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
}


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

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px 25px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 0.95rem;
    border-left: 4px solid transparent;
}

.sidebar-menu li a:hover, .sidebar-menu li a.active {
    background: rgba(255,255,255,0.05);
    color: white;
    border-left-color: var(--accent-color);
}

.sidebar-menu li a i {
    width: 20px;
    text-align: center;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem 3rem;
    transition: all 0.3s;
    width: 100%; /* Ensure full width */
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    background: white;
    padding: 1.5rem 2rem;
    border-radius: var(--card-radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    flex-wrap: wrap; /* Allow wrapping on small screens */
    gap: 1rem;
}

.content-title {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    white-space: nowrap;
}



/* Modern Card Design */
.dashboard-stat-card {
    background: white;
    border-radius: var(--card-radius);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: white;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.dashboard-stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

/* Gradient Backgrounds */
.stat-card-blue {
    background: linear-gradient(135deg, #0061f2 0%, #00c6f9 100%);
}

.stat-card-green {
    background: linear-gradient(135deg, #00b09b 0%, #96c93d 100%);
}

.stat-card-orange {
    background: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    backdrop-filter: blur(5px);
}

.stat-info {
    text-align: right;
    z-index: 1;
}

.stat-info h2 {
    margin: 0;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
}

.stat-info p {
    margin: 5px 0 0;
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Overlay Decoration */
.dashboard-stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    z-index: 0;
}

/* General Card Style */
.card {
    background: white;
    border-radius: var(--card-radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* Table Responsiveness */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    margin-top: 1rem;
    border-radius: 8px;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 0;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
    vertical-align: middle;
}

th {
    background-color: #f8f9fa;
    color: #495057;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border-top: 1px solid #eee;
}

th:first-child {
    border-top-left-radius: 8px;
    border-left: 1px solid #eee;
}

th:last-child {
    border-top-right-radius: 8px;
    border-right: 1px solid #eee;
}

td:first-child {
    border-left: 1px solid #eee;
}

td:last-child {
    border-right: 1px solid #eee;
}

tr:last-child td:first-child {
    border-bottom-left-radius: 8px;
}

tr:last-child td:last-child {
    border-bottom-right-radius: 8px;
}

tr:hover {
    background-color: #f8f9fa;
}

/* Action Buttons in Table */
.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 8px;
    margin-right: 5px;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-view {
    background-color: rgba(23, 162, 184, 0.1);
    color: #17a2b8;
}

.btn-view:hover {
    background-color: #17a2b8;
    color: white;
}

.btn-edit {
    background-color: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.btn-edit:hover {
    background-color: #ffc107;
    color: white;
}

.btn-delete {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

.btn-delete:hover {
    background-color: #dc3545;
    color: white;
}

.btn-print {
    background-color: rgba(108, 117, 125, 0.1);
    color: #6c757d;
}

.btn-print:hover {
    background-color: #6c757d;
    color: white;
}

/* Common Button Styles */
.btn-sm {
    padding: 10px 20px;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    border: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    cursor: pointer;
}

.btn-sm:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-success {
    background-color: #28a745;
    color: white;
}

.btn-success:hover {
    background-color: #218838;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-warning {
    background-color: #ffc107;
    color: #212529;
}

.btn-warning:hover {
    background-color: #e0a800;
}

.btn-info {
    background-color: #17a2b8;
    color: white;
}

.btn-info:hover {
    background-color: #138496;
}

/* Data Table Specifics */
.data-table th, .data-table td {
    white-space: nowrap;
    font-size: 0.9rem;
}

.ec-header {
    text-align: center;
    background-color: #e9ecef !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
    margin-right: 15px;
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.login-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--card-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
    border-radius: 50%;
}

.login-title {
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-login:hover {
    background: var(--secondary-color);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,105,217,0.1);
}

.form-control:read-only {
    background-color: #e9ecef;
    cursor: not-allowed;
}

/* Form Grid Layout */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.full-width {
    grid-column: span 2;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.error-msg {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* Responsive Rules */
@media (max-width: 992px) {
    .main-content {
        padding: 1.5rem;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .full-width {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
    }
    .sidebar.active {
        margin-left: 0;
    }
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    .content-header {
        flex-direction: row;
        align-items: center;
        padding: 1rem;
    }
    .content-title {
        font-size: 1.3rem;
        flex-grow: 1;
        white-space: normal; /* Allow wrapping on very small screens if needed */
        line-height: 1.2;
    }
    .menu-toggle {
        display: block;
    }
    
    /* Login Page Mobile */
    .login-container {
        padding: 1rem;
    }
    .login-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .content-header > div {
        width: 100%;
        display: flex;
        justify-content: flex-start;
        align-items: center;
    }

    .content-title {
        margin-left: 0.5rem;
    }

    .btn-sm {
        width: 100%;
        justify-content: center;
        margin-top: 5px;
    }

    .dashboard-stat-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .stat-icon {
        margin-bottom: 1rem;
    }

    .stat-info {
        text-align: center;
    }
}

/* Status Badges */
.status-badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
}
.status-success {
    background-color: #d1fae5;
    color: #065f46;
}
.status-pending {
    background-color: #fee2e2;
    color: #b91c1c;
}