/* Submission Manager Frontend CSS */

.sm-submission-wrapper {
    max-width: 800px;
    margin: 40px auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    font-family: 'Georgia', 'Times New Roman', serif; /* Academic feel */
    color: #333;
}

.sm-form-header {
    text-align: center;
    margin-bottom: 40px;
}

.sm-form-header h3 {
    font-size: 28px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; /* Modern header */
}

.sm-form-header p {
    color: #7f8c8d;
    font-size: 16px;
}

.sm-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.sm-field-group {
    margin-bottom: 24px;
    position: relative;
}

.sm-field-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: #34495e;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.sm-field-group input[type="text"],
.sm-field-group input[type="email"],
.sm-field-group input[type="tel"],
.sm-field-group input[type="number"],
.sm-field-group select,
.sm-field-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f9f9f9;
    box-sizing: border-box;
}

.sm-field-group input:focus,
.sm-field-group select:focus,
.sm-field-group textarea:focus {
    border-color: #3498db;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

.sm-field-group textarea {
    resize: vertical;
}

.sm-help-text {
    font-size: 12px;
    color: #95a5a6;
    margin-top: 4px;
}

.sm-form-actions {
    text-align: center;
    margin-top: 40px;
}

.sm-submit-btn {
    background: #2c3e50;
    color: #fff;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.sm-submit-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
}

.sm-submit-btn:active {
    transform: translateY(0);
}

.sm-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.sm-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.sm-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.sm-loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-left: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .sm-grid-2 {
        grid-template-columns: 1fr;
    }
    .sm-submission-wrapper {
        padding: 20px;
        margin: 20px;
    }
}