:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #64748b;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

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

body {
    font-family: 'Outfit', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    direction: ltr; /* Changed to LTR */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    padding: 2.5rem;
    border-radius: var(--radius);
    color: white;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
}

header p {
    opacity: 0.9;
}

.btn-print {
    background: white;
    color: var(--primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-print:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Overview Stats */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Sales Grid */
.sales-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.sales-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.3s;
}

.sales-card:hover {
    transform: translateY(-5px);
}

.card-header {
    background: #f1f5f9;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.25rem;
    color: var(--primary);
}

.card-body {
    padding: 1.5rem;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    align-items: center;
}

.metric-label {
    color: var(--text-muted);
}

.metric-value {
    font-weight: 600;
}

.progress-bar-container {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
}

.amount-box {
    background: #eef2ff;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1rem;
}

.amount-label {
    font-size: 0.75rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.amount-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

/* Summary Table */
.summary-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    padding: 2rem;
}

.summary-title {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

th {
    text-align: left;
    padding: 1rem;
    background: #f8fafc;
    border-bottom: 2px solid var(--border);
    color: var(--text-muted);
    font-weight: 600;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

tr:last-child td {
    border-bottom: none;
    font-weight: 700;
    background: #f1f5f9;
}

/* Print Styling */
@media print {
    body {
        background: white;
        padding: 0;
    }
    .container {
        max-width: 100%;
        width: 100%;
        padding: 0;
    }
    .btn-print {
        display: none;
    }
    header {
        box-shadow: none;
        border-radius: 0;
        background: white !important;
        color: black;
        border-bottom: 2px solid #eee;
        padding: 1rem 0;
    }
    .sales-card, .stat-card, .summary-section {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
    .sales-grid {
        grid-template-columns: 1fr 1fr;
    }
    footer {
        display: none !important;
    }
}

/* Charts Section */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.chart-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.chart-title {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-main);
    font-weight: 700;
}

/* Management Screen Styles */
.nav-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.nav-link {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-muted);
    background: #f1f5f9;
    font-weight: 600;
    transition: all 0.2s;
}

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

.form-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn-submit {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.btn-delete {
    background: #fee2e2;
    color: var(--danger);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-delete:hover {
    background: #fecaca;
}