:root {
    --primary-orange: #f97316;
    --dark-orange: #ea580c;
    --light-bg: #fff7ed;
    --text-color: #333;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: Arial, sans-serif; }
body { background-color: var(--light-bg); color: var(--text-color); line-height: 1.6; }

/* Header Layout */
header { 
    background-color: var(--primary-orange); 
    padding: 1rem 2rem; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.logo a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 1.2;
}
.logo .subtitle { font-size: 1rem; font-weight: normal; display: block;}

header nav { display: flex; gap: 20px; align-items: center; }
header nav a { color: white; text-decoration: none; font-weight: bold; font-size: 1.1rem;}
header nav a:hover { text-decoration: underline; }

.menu-toggle { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.menu-toggle .bar { width: 30px; height: 3px; background-color: white; transition: 0.3s; }

/* Mobile Adaptive */
@media (max-width: 1024px) {
    .logo a { font-size: 1.2rem; }
    .logo .subtitle { font-size: 0.9rem; }
    .menu-toggle { display: flex; }
    header nav {
        display: none;
        width: 100%;
        flex-direction: column;
        background-color: var(--dark-orange);
        padding: 15px 0;
        margin-top: 15px;
        border-radius: 5px;
    }
    header nav.active { display: flex; }
    header nav a { margin: 10px 0; text-align: center; }
}

.container { max-width: 800px; margin: 2rem auto; padding: 2rem; background: white; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
h1, h2, h3 { color: var(--dark-orange); margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: bold; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; }
.btn { background-color: var(--primary-orange); color: white; border: none; padding: 10px 20px; cursor: pointer; border-radius: 4px; font-size: 1rem; margin-top: 10px; text-decoration: none; display: inline-block;}
.btn:hover { background-color: var(--dark-orange); }
.receipt-box { border: 2px dashed var(--primary-orange); padding: 20px; background: #fffaf0; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
table, th, td { border: 1px solid #ddd; }
th, td { padding: 12px; text-align: left; }
th { background-color: var(--primary-orange); color: white; }
@media print { body * { visibility: hidden; } .receipt-box, .receipt-box * { visibility: visible; } .receipt-box { position: absolute; left: 0; top: 0; width: 100%; border: none; } .no-print { display: none; } }

/* Shared Form Styles for all operation pages */
.inline-row { display: flex; flex-wrap: wrap; gap: 15px; align-items: flex-end; margin-bottom: 25px; }
.inline-row label { display: block; font-weight: bold; margin-bottom: 5px; color: #333; }
.inline-row input, .inline-row select { height: 42px; padding: 8px 12px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; }
.inline-row .btn-inline { height: 42px; margin: 0; padding: 0 20px; display: flex; align-items: center; justify-content: center; box-sizing: border-box; white-space: nowrap; cursor: pointer; }
.status-msg { font-weight: bold; font-size: 0.95rem; margin-top: 10px; display: block; }

/* Page Specific Form Backgrounds */
.form-box { padding: 25px; border-radius: 8px; border: 1px solid #ddd; margin-bottom: 20px; }
.bg-yellow { background-color: #fffde7; border-color: #fff59d; } /* New Card */
.bg-blue { background-color: #f0f8ff; border-color: #90caf9; } /* Balance Check */
.bg-green { background-color: #e8f5e9; border-color: #4caf50; }
.bg-red { background-color: #ffebee; border-color: #ef9a9a; } /* Deduct Credit */


/* Header Colored Navigation Buttons */
header nav {
    gap: 12px;
}
header nav a.nav-btn {
    padding: 8px 15px;
    border-radius: 6px;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}
header nav a.nav-btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
}
/* Yellow Button for Add Card */
header nav a.nav-yellow { background-color: #fbc02d; color: #333; text-shadow: none; }
header nav a.nav-yellow:hover { background-color: #f9a825; }

/* Blue Button for Balance */
header nav a.nav-blue { background-color: #1e88e5; color: white; }
header nav a.nav-blue:hover { background-color: #1565c0; }

/* Green Button for Add Credit */
header nav a.nav-green { background-color: #43a047; color: white; }
header nav a.nav-green:hover { background-color: #2e7d32; }

/* Red Button for Deduct */
header nav a.nav-red { background-color: #e53935; color: white; }
header nav a.nav-red:hover { background-color: #c62828; }