/* Modern Root Variables */
:root {
    --primary: #2563eb;
    --secondary: #e67e22; /* Kitchen Orange */
    --success: #27ae60;
    --dark: #2c3e50;
    --bg: #f4f7f6;
    --white: #ffffff;
}

* { box-sizing: border-box; font-family: 'Segoe UI', Roboto, sans-serif; }

body { margin: 0; background: var(--bg); color: #333; line-height: 1.6; }

/* --- Navigation --- */
.top-nav { 
    background: var(--dark); 
    color: white; 
    padding: 15px 25px; 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.top-nav h2 { margin: 0; font-size: 1.5rem; font-weight: 600; }

/* --- Dashboard & General Containers --- */
.container { padding: 25px; max-width: 1200px; margin: auto; }

.stats-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 20px; 
    margin-bottom: 30px; 
}

.stat-card { 
    background: var(--white); 
    padding: 20px; 
    border-radius: 12px; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); 
    border-top: 5px solid var(--primary);
    transition: 0.3s;
}
.stat-card:hover { transform: translateY(-5px); }

/* --- POS Layout (Fix for order.html) --- */
.pos-container { display: flex; gap: 25px; padding: 20px; align-items: flex-start; }

.menu-section { flex: 2; }

.cart-section { 
    flex: 1; 
    background: var(--white); 
    padding: 25px; 
    border-radius: 12px; 
    box-shadow: 0 8px 25px rgba(0,0,0,0.1); 
    position: sticky; 
    top: 20px; 
    height: auto;
    min-width: 350px;
}

.menu-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); 
    gap: 15px; 
}

.item-card { 
    background: var(--white); 
    border: 1px solid #eee; 
    padding: 20px; 
    text-align: center; 
    border-radius: 10px; 
    cursor: pointer; 
    transition: 0.3s; 
}
.item-card:hover { 
    border-color: var(--success); 
    transform: translateY(-3px); 
    box-shadow: 0 5px 15px rgba(0,0,0,0.1); 
}

/* --- Buttons --- */
.btn-group { display: flex; gap: 15px; flex-wrap: wrap; }

.action-btn, .save-btn { 
    background: var(--primary); 
    color: white; 
    border: none; 
    padding: 12px 24px; 
    border-radius: 8px; 
    cursor: pointer; 
    font-weight: bold; 
    font-size: 1rem;
    transition: 0.3s;
}

.save-btn { background: var(--success); width: 100%; margin-top: 15px; }
.save-btn:hover { background: #219150; }

/* --- Thermal Printer CSS (Fixed) --- */
.print-area { display: none; width: 80mm; padding: 5px; font-family: 'Courier New', monospace; }

@media print {
    body * { visibility: hidden; }
    .print-area, .print-area * { visibility: visible; }
    .print-area { 
        position: absolute; left: 0; top: 0; 
        display: block !important; width: 100%; 
    }
    .no-print { display: none !important; }
}

.bill-header { text-align: center; border-bottom: 1px dashed #000; padding-bottom: 10px; }
.bill-table { width: 100%; border-collapse: collapse; margin: 10px 0; }
.bill-table th, .bill-table td { font-size: 13px; padding: 5px 0; }
.bill-total { border-top: 1px dashed #000; padding-top: 10px; text-align: right; font-weight: bold; }