:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --success: #06d6a0;
    --danger: #ef476f;
    --warning: #ffd166;
    --dark: #2b2d42;
    --light: #f8f9fa;
    --gray: #6c757d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 450px;
    padding: 40px;
    animation: fadeInUp 0.6s ease;
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: var(--primary);
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--gray);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

.alert {
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.alert-danger {
    background: #fee;
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

/* Dashboard Styles */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px 0;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar-header {
    text-align: center;
    color: white;
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 20px;
}

.sidebar-header h3 {
    font-size: 20px;
    margin-bottom: 5px;
}

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

.sidebar-menu li {
    margin: 5px 0;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 12px 25px;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
    gap: 10px;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: rgba(255,255,255,0.2);
    padding-left: 30px;
}

.main-content {
    margin-left: 260px;
    padding: 20px;
}

.top-bar {
    background: white;
    border-radius: 15px;
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-filter {
    background: white;
    border-radius: 15px;
    padding: 20px 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title h1 {
    color: var(--dark);
    font-size: 24px;
    margin-bottom: 5px;
}

.page-title p {
    color: var(--gray);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-logout {
    padding: 8px 20px;
    background: var(--danger);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
}
.btn-filter {
    padding: 8px 20px;
    background: var(--danger);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
}
.btn-logout:hover {
    background: #d64161;
    transform: translateY(-2px);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    cursor: pointer;
    
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.stat-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.stat-info h3 {
    color: var(--gray);
    font-size: 14px;
    margin-bottom: 10px;
}

.stat-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--dark);
}

.stat-card.income .stat-value { color: var(--success); }
.stat-card.expense .stat-value { color: var(--danger); }
.stat-card.balance .stat-value { color: var(--primary); }

/* Tables */
.table-container {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow-x: auto;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.btn-add {
    padding: 10px 25px;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-add:hover {
    background: #05b889;
    transform: translateY(-2px);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--light);
}

.data-table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid #e0e0e0;
}

.data-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e0e0e0;
}

.data-table tbody tr:hover {
    background: var(--light);
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

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

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.btn-edit, .btn-delete {
    padding: 5px 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    text-decoration: none;
    display: inline-block;
    margin: 0 3px;
}

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

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--gray);
}

.close:hover {
    color: var(--danger);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
        z-index: 999;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-header {
        flex-direction: column;
    }
}

.filter-box{
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.filter-box form{
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-box label{
    font-weight: bold;
}

.filter-box input{
    padding: 3px 7px;
}

.filter-box button{
    padding: 7px 15px;
    cursor: pointer;
}

.filter-box form{
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success{
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
}

.pagination{
    margin-top:20px;
    text-align:center;
}

.pagination a,
.pagination strong{
    display:inline-block;
    padding:8px 12px;
    margin:2px;
    border:1px solid #ccc;
    border-radius:5px;
    text-decoration:none;
}

.pagination a{
    background:#fff;
    color:#333;
}

.pagination a:hover{
    background:#4CAF50;
    color:#fff;
}

.pagination strong{
    background:#4CAF50;
    color:#fff;
}