:root {
    --sidebar-width: 280px;
    --primary-color: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --sidebar-header-bg: #0948f1;
    --active-item-bg: #cd1e2f;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
}

/* Login Page Styling - Modern & Aesthetic */
.login-container {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/img/mockbglogin.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: subtleZoom 20s ease-in-out infinite alternate;
}

@keyframes subtleZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.login-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(30, 58, 138, 0.75) 0%, 
        rgba(59, 130, 246, 0.65) 50%, 
        rgba(245, 158, 11, 0.55) 100%);
    backdrop-filter: blur(2px);
}

.login-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    padding: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    border: none;
    border-radius: 1.5rem;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2);
}

.login-card .card-body {
    padding: 3rem !important;
}

.login-logo {
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.login-card h2 {
    font-size: 2rem;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-card .form-label {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-card .input-group {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.login-card .input-group:focus-within {
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

.login-card .input-group-text {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 1px solid var(--border-color);
    border-right: none;
    padding: 0.75rem 1rem;
}

.login-card .form-control {
    border: 1px solid var(--border-color);
    border-left: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background-color: #ffffff;
}

.login-card .form-control:focus {
    background-color: #ffffff;
    box-shadow: none;
    border-color: var(--border-color);
}

.login-card .form-check {
    padding-left: 1.75rem;
}

.login-card .form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.login-card .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.login-card .form-check-label {
    cursor: pointer;
    user-select: none;
    color: var(--text-secondary);
}

.login-card .btn-primary {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.login-card .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.login-card .btn-primary:hover::before {
    left: 100%;
}

.login-card .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.4);
}

.login-card .btn-primary:active {
    transform: translateY(-1px);
}

.login-card small {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Updated Color Scheme */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

/* Main Application Layout */
#wrapper {
    min-height: 100vh;
}

#sidebar-wrapper {
    min-height: 100vh;
    width: var(--sidebar-width);
    transition: margin 0.25s ease-out;
    overflow-y: auto;
    background-color: var(--primary-color);
}

#page-content-wrapper {
    min-width: 0;
    width: 100%;
    background-color: var(--light-bg);
}

.sidebar-heading {
    font-size: 1.2rem;
    font-weight: bold;
    background-color: var(--sidebar-header-bg) !important;
    color: white !important;
}

.navbar-dark.bg-primary {
    background-color: var(--primary-color) !important;
}

.list-group-item {
    border: none;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background-color: transparent;
    color: rgba(255, 255, 255, 0.9);
}

.list-group-item:hover {
    background-color: var(--primary-dark) !important;
    padding-left: 1.5rem;
    transform: translateX(5px);
    color: white !important;
}

.list-group-item.active {
    background-color: var(--active-item-bg) !important;
    border-left: 4px solid #fff;
    color: white !important;
}

/* Accordion Styling */
.accordion-item {
    border: none;
    background-color: transparent;
}

.accordion-button {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    border: none;
    box-shadow: none !important;
    background-color: transparent;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.accordion-button:hover {
    background-color: var(--primary-dark);
    transform: translateX(5px);
    color: white;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-dark);
    color: white;
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    padding: 0;
    background-color: rgba(0, 0, 0, 0.2);
}

.accordion-body .list-group-item {
    padding-left: 2.5rem;
    font-size: 0.9rem;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.accordion-body .list-group-item:hover {
    padding-left: 3rem;
    border-left: 2px solid var(--accent-color);
}

/* Cards and Content */
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.5rem;
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.card-header {
    background: linear-gradient(90deg, var(--light-bg) 0%, #ffffff 100%);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
    border-radius: 0.75rem 0.75rem 0 0 !important;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.btn {
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.table {
    background-color: var(--card-bg);
}

.table thead {
    background: linear-gradient(90deg, var(--light-bg) 0%, #ffffff 100%);
    color: var(--text-primary);
}

.table-hover tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

/* Navigation Tabs */
.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-bottom: 3px solid transparent;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    border-bottom: 3px solid var(--primary-light);
    color: var(--primary-color);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    background-color: transparent;
    font-weight: 600;
}

/* Badges */
.badge {
    padding: 0.5em 0.75em;
    border-radius: 0.5rem;
    font-weight: 500;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
}

.badge.bg-danger {
    background-color: var(--danger-color) !important;
}

/* Dashboard Cards */
.card.text-white.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
}

.card.text-white.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%) !important;
}

.card.text-white.bg-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%) !important;
}

.card.text-white.bg-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%) !important;
}

/* Input Groups */
.input-group-text {
    background-color: var(--light-bg);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

/* Alerts */
.alert {
    border-radius: 0.75rem;
    border: none;
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-left: 4px solid var(--primary-light);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    #sidebar-wrapper {
        margin-left: calc(var(--sidebar-width) * -1);
    }
    
    .login-content {
        padding: 1rem;
        max-width: 100%;
    }
    
    .login-card .card-body {
        padding: 2rem 1.5rem !important;
    }
    
    .login-card h2 {
        font-size: 1.75rem;
    }
    
    .login-card .btn-primary {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .login-content {
        padding: 0.5rem;
    }
    
    .login-card .card-body {
        padding: 1.5rem 1rem !important;
    }
    
    .login-card h2 {
        font-size: 1.5rem;
    }
    
    .login-logo i {
        font-size: 3rem !important;
    }
    
    .login-card .input-group-text,
    .login-card .form-control {
        padding: 0.625rem 0.875rem;
        font-size: 0.95rem;
    }
}

/* Smooth transitions for all interactive elements */
* {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Accessibility improvements */
.login-card .form-control:focus,
.login-card .form-check-input:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* Loading state for button (optional enhancement) */
.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}