:root {
    --primary: #F97316; /* Vibrant Orange for restaurant feel */
    --primary-light: #FFEDD5;
    --primary-dark: #C2410C;
    --bg-main: #F8FAFC;
    --bg-panel: #FFFFFF;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --success: #10B981;
    --danger: #EF4444;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    min-height: 100vh;
}

/* Layout */
.app-container {
    display: flex;
    width: 100%;
}

.sidebar {
    width: 250px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    color: var(--primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-links {
    list-style: none;
    padding: 24px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-links a:hover {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

.nav-links a.active {
    background-color: var(--primary);
    color: white;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.top-header {
    padding: 24px 40px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.content-wrapper {
    padding: 32px 40px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Dashboard Specifics */
.dashboard-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.month-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.month-selector input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.month-selector input:focus {
    border-color: var(--primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: var(--bg-panel);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background-color: #ECFDF5;
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.expense-icon {
    background-color: #FEF2F2;
    color: var(--danger);
}

.profit-icon {
    background-color: #EFF6FF;
    color: #3B82F6;
}

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-info .amount {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
}

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.chart-container {
    background-color: var(--bg-panel);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.chart-container h3 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.doughnut-wrapper {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Forms and Tables */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
}

.panel {
    background-color: var(--bg-panel);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.panel h2 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s;
    background-color: var(--bg-main);
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.btn {
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border);
}

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

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

.w-100 {
    width: 100%;
}

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

.data-table th, .data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover td {
    background-color: #F8FAFC;
}

.cash-text { color: #10B981; }
.online-text { color: #3B82F6; }
.expense-text { color: var(--danger); }

.badge {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-daily {
    background-color: #E0E7FF;
    color: #4338CA;
}

.badge-monthly {
    background-color: #F3E8FF;
    color: #7E22CE;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.2s;
}

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

.empty-state {
    text-align: center;
    padding: 40px !important;
    color: var(--text-muted);
    font-style: italic;
}

/* Responsive */
@media (max-width: 1024px) {
    .charts-grid, .split-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .sidebar-header {
        text-align: center;
        justify-content: center;
    }
    .nav-links {
        flex-direction: row;
        overflow-x: auto;
    }
}