/* Reset and Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    background-color: #2d3748;
    color: white;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-brand i {
    font-size: 1.75rem;
}

.sidebar-menu {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
    border-left-color: rgba(255, 255, 255, 0.3);
}

.sidebar-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-left-color: white;
}

.sidebar-link i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.sidebar-user i {
    font-size: 1.5rem;
}

.sidebar-logout {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
}

.sidebar-logout:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
}

/* Main Wrapper */
.main-wrapper {
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Topbar */
.topbar {
    background: white;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #2d3748;
    cursor: pointer;
    padding: 0.5rem;
}

.topbar-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d3748;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background-color: #2d3748;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: #718096;
    font-size: 0.875rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background-color: #f7fafc;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.table th {
    font-weight: 600;
    color: #4a5568;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.table tbody tr:hover {
    background-color: #f7fafc;
}

.table a {
    color: #2d3748;
    text-decoration: none;
    font-weight: 500;
}

.table a:hover {
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #2d3748;
    color: white;
}

.btn-primary:hover {
    background-color: #1a202c;
}

.btn-secondary {
    background-color: #718096;
    color: white;
}

.btn-secondary:hover {
    background-color: #4a5568;
}

.btn-warning {
    background-color: #d69e2e;
    color: white;
}

.btn-warning:hover {
    background-color: #b7791f;
}

.btn-danger {
    background-color: #c53030;
    color: white;
}

.btn-danger:hover {
    background-color: #9b2c2c;
}

.btn-info {
    background-color: #3182ce;
    color: white;
}

.btn-info:hover {
    background-color: #2c5282;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
    display: block;
    text-align: center;
}

/* Actions */
.actions {
    display: flex;
    gap: 0.5rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background-color: #c6f6d5;
    color: #22543d;
}

.badge-info {
    background-color: #bee3f8;
    color: #2c5282;
}

.badge-danger {
    background-color: #fed7d7;
    color: #742a2a;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2d3748;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #cbd5e0;
    border-radius: 4px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2d3748;
}

/* Money input special styling */
.money-input {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.5px;
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.info-item {
    padding: 1rem;
    background-color: #f7fafc;
    border-radius: 4px;
}

.info-item label {
    display: block;
    font-size: 0.875rem;
    color: #718096;
    margin-bottom: 0.25rem;
}

.info-item span {
    font-size: 1rem;
    color: #2d3748;
    font-weight: 500;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.alert-error {
    background-color: #fed7d7;
    color: #742a2a;
    border: 1px solid #fc8181;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: #718096;
    font-size: 1.25rem;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    color: #cbd5e0;
}

/* Auth Page */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #2d3748;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.auth-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.auth-box h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2d3748;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .form-row {
        flex-direction: column;
    }

    .card-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .table {
        font-size: 0.75rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1rem;
    }

    .topbar {
        padding: 1rem;
    }

    .topbar-title {
        font-size: 1.25rem;
    }
}