body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1, h2, h3 {
    color: #2c3e50;
}

.input-section {
    margin-bottom: 30px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
}

.instructions {
    margin-bottom: 20px;
}

.instructions ol {
    padding-left: 20px;
}

.example-grid {
    display: grid;
    grid-template-columns: auto 1fr 1fr 1fr;
    gap: 10px;
    margin-top: 15px;
    background: #eef7ff;
    padding: 10px;
    border-radius: 5px;
    font-family: monospace;
}

.example-header {
    font-weight: bold;
    align-self: center;
}

.example-col div {
    padding: 5px 0;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.input-col {
    display: flex;
    flex-direction: column;
}

.input-col h3 {
    margin-top: 0;
    color: #3498db;
}

textarea {
    height: 200px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
    font-family: monospace;
}

.actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

#processBtn {
    background: #3498db;
    color: white;
}

#processBtn:hover {
    background: #2980b9;
}

#resetBtn {
    background: #e74c3c;
    color: white;
}

#resetBtn:hover {
    background: #c0392b;
}

.output-section {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#outputResult {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 5px;
    min-height: 100px;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.result-table th, .result-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.result-table th {
    background-color: #3498db;
    color: white;
}

.result-table tr:nth-child(even) {
    background-color: #f2f2f2;
}

.result-table tr:hover {
    background-color: #e6f7ff;
}

/* Additional styles for specific formatting */
.result-table td:empty {
    background-color: #f9f9f9;
}

.result-table tr:not(:first-child) td:first-child:empty::before {
    content: "";
    display: inline-block;
    width: 20px;
}

.error {
    color: #e74c3c;
    padding: 10px;
    background-color: #fde8e8;
    border-radius: 4px;
    margin-top: 10px;
}

.result-table td:first-child:empty {
    position: relative;
}

.result-table td:first-child:empty::before {
    content: "";
    display: inline-block;
    width: 20px;
}

.result-table tr:nth-child(even) {
    background-color: #f8f8f8;
}

.result-table tr:hover {
    background-color: #f0f7ff;
}

/* Format khusus untuk grup kaset */
.group-info {
    font-size: 0.9em;
    color: #666;
    margin-left: 5px;
}

.config-section {
    background: #f0f7ff;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.form-group label {
    font-weight: bold;
    min-width: 100px;
}

.form-group input {
    padding: 8px;
    width: 60px;
}

.team-form {
    background: #f8f8f8;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #3498db;
}

.team-form h3 {
    margin-top: 0;
    color: #2c3e50;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

@media print {
    @page {
        size: A4 landscape;
        margin: 0;
    }
    body {
        margin: 0;
        padding: 5mm;
        transform: none;
    }
    .print-container {
        display: grid;
        grid-template-rows: auto auto;
        grid-template-columns: repeat(4, 1fr);
        gap: 15mm;
        width: 100%;
    }
    .print-team {
        border: 1px solid #000;
        padding: 5mm;
        page-break-inside: avoid;
    }
    .no-print {
        display: none !important;
    }
}

/* Enhanced table styling */
.result-table td:nth-child(3) {
    font-family: monospace;
    white-space: nowrap;
}

.group-info {
    font-size: 0.9em;
    color: #555;
    margin-left: 5px;
}

/* Button styling */
#printBtn {
    background-color: #4CAF50;
}

#printBtn:hover {
    background-color: #45a049;
}

/* Login Page Styles */
.login-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 350px;
    text-align: center;
}

.login-container h1 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.login-container .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.login-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.login-container input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.login-container button {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

.login-container button:hover {
    background-color: #2980b9;
}

.login-container .error {
    color: #e74c3c;
    margin-top: 10px;
    font-size: 14px;
}