/* Contact Email Form Styles */

.contact-email-wrapper {
    max-width: 100%;
    margin: 0 auto;
    padding: 24px 28px;
    box-sizing: border-box;
    border: 2px solid #c5d0dc;
    border-radius: 12px;
    background-color: #fafbfc;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.8) inset,
        0 2px 12px rgba(15, 23, 42, 0.06);
}

.contact-email-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.form-group {
    width: 100%;
}

/* 폼 행 레이아웃 (2개의 필드를 한 줄에) */
.form-row {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    gap: 15px;
    width: 100%;
}

.form-group.half {
    flex: 1 1 0%;
    min-width: 0; /* flex 아이템이 축소될 수 있도록 */
    max-width: 50%;
}

.form-control {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.form-control:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-control::placeholder {
    color: #999;
    opacity: 1;
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
    font-family: inherit;
}

.submit-btn {
    width: 100%;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 102, 204, 0.2);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #0052a3 0%, #003d7a 100%);
    box-shadow: 0 6px 12px rgba(0, 102, 204, 0.3);
    transform: translateY(-2px);
}

.submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 102, 204, 0.2);
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-loading {
    display: inline-block;
}

/* 메시지 스타일 */
.form-message {
    padding: 0;
    margin-bottom: 0;
    border-radius: 8px;
    font-size: 15px;
    line-height: 1.5;
    display: none;
    animation: slideDown 0.3s ease;
}

.form-message.show {
    display: block;
    padding: 16px 20px;
    margin-bottom: 20px;
}

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

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .contact-email-wrapper {
        padding: 20px 16px;
        border-radius: 10px;
    }

    .form-control {
        padding: 14px 16px;
        font-size: 16px; /* iOS zoom 방지 */
    }
    
    .submit-btn {
        padding: 14px 24px;
        font-size: 16px;
    }
    
    textarea.form-control {
        min-height: 120px;
    }
    
    /* 모바일에서는 필드를 세로로 배치 */
    .form-row {
        flex-direction: column !important;
        flex-wrap: wrap !important;
        gap: 20px;
    }
    
    .form-group.half {
        max-width: 100%;
    }
}

/* 폼 검증 스타일 */
.form-control:invalid:not(:placeholder-shown) {
    border-color: #dc3545;
}

.form-control:valid:not(:placeholder-shown) {
    border-color: #28a745;
}

/* 로딩 애니메이션 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.btn-loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    border: 2px solid #ffffff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

/* 접근성 개선 */
.form-control:focus-visible {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

.submit-btn:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}