.message {
    font-weight: 600;
    color: blue;
}

.navbar {
    background-color: lightslategray;
    font-size: 1em;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    color: white;
    padding: 8px 5px 8px 5px;
}

.navbar a {
    text-decoration: none;
    color: inherit;
}

.navbar-brand {
    font-size: 1.2em;
    font-weight: 600;
}

.navbar-item {
    font-variant: small-caps;
    margin-left: 30px;
}

.body-content {
    padding: 5px;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Login Page Styles */
.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.login-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

.login-form {
    display: flex;
    flex-direction: column;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: lightslategray;
    box-shadow: 0 0 5px rgba(119, 136, 153, 0.3);
}

.login-button {
    width: 100%;
    padding: 12px;
    background-color: lightslategray;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-button:hover {
    background-color: #5f7587;
}

.login-button:active {
    background-color: #4a5d6e;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    border: 1px solid #f5c6cb;
    margin-bottom: 20px;
}

.info-message {
    background-color: #d1ecf1;
    color: #0c5460;
    padding: 12px;
    border-radius: 4px;
    border: 1px solid #bee5eb;
    margin-bottom: 20px;
}

/* Upload Page Styles */
.upload-container {
    max-width: 600px;
    margin: 30px auto;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.upload-container h3 {
    color: #333;
    margin-bottom: 20px;
}

.upload-form {
    display: flex;
    flex-direction: column;
}

.form-group input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed #ddd;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
    cursor: pointer;
}

.form-group input[type="file"]:hover {
    border-color: lightslategray;
}

.CodeMirror {
    border: 1px solid #ddd;
    border-radius: 4px;
    height: 400px;
    resize: none;
    overflow: auto;
    min-height: 200px;
}

.cm-resize-container {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

.cm-resize-handle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    cursor: row-resize;
    background: linear-gradient(180deg, #fdfefe 0%, #e8ecf2 100%);
    border: 1px solid #c6ccd5;
    border-radius: 999px;
    user-select: none;
    color: #344054;
    font-size: 13px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.cm-resize-handle:hover {
    background: linear-gradient(180deg, #f6f8fb 0%, #dfe5ef 100%);
    border-color: #9aa5b5;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.cm-resize-icon {
    font-size: 15px;
    line-height: 1;
}

.cm-resize-label {
    line-height: 1;
}

.upload-button {
    width: 100%;
    padding: 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upload-button:hover {
    background-color: #218838;
}

.upload-button:active {
    background-color: #1e7e34;
}

.info-box {
    margin-top: 30px;
    padding: 15px;
    background-color: #e7f3ff;
    border-left: 4px solid #2196F3;
    border-radius: 4px;
}

.info-box h4 {
    margin-top: 0;
    color: #1976D2;
}

.info-box ul {
    margin-bottom: 0;
    padding-left: 20px;
}

.info-box li {
    margin-bottom: 5px;
    color: #555;
}

.info-box code {
    background-color: #fff;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #d63384;
}

.form-text {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #6c757d;
    font-style: italic;
}

/* Form sections and rows */
.settings-section {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
}

.settings-section legend {
    font-weight: 600;
    color: #333;
    padding: 0 10px;
    font-size: 14px;
}

.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.half-width {
    flex: 1;
}

.checkbox-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    font-weight: normal;
}

.form-group select,
.form-group input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

.form-group select:focus,
.form-group input[type="number"]:focus {
    outline: none;
    border-color: lightslategray;
    box-shadow: 0 0 5px rgba(119, 136, 153, 0.3);
}

.advanced-settings {
    margin-top: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 0 0 1px rgba(34, 108, 255, 0.05);
}

.advanced-settings summary {
    list-style: none;
    cursor: pointer;
    padding: 16px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: #283e4a;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.advanced-settings summary::-webkit-details-marker {
    display: none;
}

.advanced-settings summary::after {
    content: "+";
    font-size: 1.2rem;
    transition: transform 0.2s ease;
}

.advanced-settings[open] summary::after {
    content: "-";
}

.advanced-settings-body {
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-top: 1px solid #eee;
}

.advanced-settings[open] .advanced-settings-body {
    animation: fadeIn 0.18s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}