/* 등록 페이지 전용 스타일 - 현대적인 플랫 디자인 */

.back-btn {
    background: #2a2a3e;
    color: #e0e0e0;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #3a3a4e;
}

.back-btn:hover {
    background: #34344a;
    color: #ffffff;
    transform: translateY(-1px);
    border-color: #4a4a5e;
}

.register-section {
    padding: 40px 0 80px;
    min-height: calc(100vh - 160px);
}

.register-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 30px;
}

.register-content {
    width: 100%;
}

.register-form-section {
    background: transparent;
    padding: 0;
    border: none;
    box-shadow: none;
}

.form-header {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header h2 {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.register-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.register-form {
    background: transparent;
    padding: 0;
    border: none;
    box-shadow: none;
}

.form-group {
    margin-bottom: 32px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
    letter-spacing: 0.2px;
}

.form-group label:has(+ input[required])::after,
.form-group label:has(+ select[required])::after,
.form-group label:has(+ textarea[required])::after {
    content: ' *';
    color: #f5576c;
    margin-left: 4px;
    font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #3a3a4e;
    border-radius: 8px;
    background: #1f1f35;
    color: #ffffff;
    font-size: 15px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    font-family: inherit;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #7a7a8a;
    font-size: 15px;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #667eea;
    background: #252545;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    transform: translateY(-1px);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: #4a4a5e;
    background: #252545;
}

/* 포커스 시 라벨 애니메이션 */
.form-group:has(input:focus) label,
.form-group:has(select:focus) label,
.form-group:has(textarea:focus) label {
    color: rgba(102, 126, 234, 0.9);
}

/* Select 스타일 - 플랫한 디자인 */
.form-group select {
    cursor: pointer;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23ffffff' d='M8 11L3 6h10z' opacity='0.6'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 18px center !important;
    padding-right: 45px !important;
    background-size: 16px !important;
}

.form-group select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23667eea' d='M8 11L3 6h10z'/%3E%3C/svg%3E") !important;
}

.form-group select::-ms-expand {
    display: none !important;
}

.form-group select option {
    background: #1a1a2e;
    color: #ffffff;
    padding: 12px;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 18px;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    margin-top: 20px;
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

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

.success-message {
    background: #1a1a2e;
    padding: 50px 40px;
    border-radius: 8px;
    border: 1px solid #2a2a3e;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.success-message h3 {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.success-message p {
    font-size: 16px;
    color: #b0b0c0;
    margin-bottom: 30px;
    line-height: 1.6;
}

.back-to-main {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.back-to-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

/* 이미지 업로드 스타일 */
.image-upload-container {
    margin-top: 10px;
}

.form-group input[type="file"] {
    display: none;
}

.file-upload-wrapper {
    position: relative;
    margin-bottom: 20px;
}

.file-upload-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #2a2a3e;
    color: white;
    border: 1px solid #3a3a4e;
    padding: 14px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.file-upload-button:hover {
    background: #34344a;
    border-color: #667eea;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.file-upload-button:active {
    transform: translateY(0);
}

.file-name-display {
    display: inline-block;
    margin-left: 15px;
    color: #9a9aaf;
    font-size: 14px;
    font-weight: 500;
}

.upload-btn {
    display: none;
}

.images-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.image-preview-item {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid #2a2a3e;
    background: #1a1a2e;
    transition: all 0.3s ease;
}

.image-preview-item:hover {
    border-color: #667eea;
    transform: scale(1.02);
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.remove-image-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(245, 87, 108, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.remove-image-btn:hover {
    background: rgba(231, 76, 60, 0.95);
    transform: scale(1.1);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .register-section {
        padding: 30px 0 60px;
    }
    
    .register-container {
        padding: 0 20px;
        max-width: 100%;
    }
    
    .form-header {
        margin-bottom: 40px;
        padding-bottom: 25px;
    }
    
    .form-header h2 {
        font-size: 28px;
    }
    
    .register-description {
        font-size: 14px;
    }
    
    .form-group {
        margin-bottom: 28px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 14px 0;
        font-size: 15px;
    }
    
    .form-group textarea {
        min-height: 100px;
        padding-top: 14px;
        padding-bottom: 14px;
    }
    
    .images-preview {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 12px;
    }
    
    .submit-btn {
        padding: 16px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .register-section {
        padding: 20px 0 50px;
    }
    
    .register-container {
        padding: 0 15px;
    }
    
    .form-header {
        margin-bottom: 35px;
        padding-bottom: 20px;
    }
    
    .form-header h2 {
        font-size: 24px;
    }
    
    .register-description {
        font-size: 13px;
    }
    
    .form-group {
        margin-bottom: 24px;
    }
    
    .form-group label {
        font-size: 13px;
        margin-bottom: 10px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 0;
        font-size: 14px;
    }
    
    .form-group textarea {
        min-height: 90px;
    }
    
    .submit-btn {
        padding: 16px;
        font-size: 15px;
        margin-top: 15px;
    }
}

/* 모달 스타일 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal[style*="display: flex"],
.modal[style*="display:flex"],
.modal.modal-show {
    display: flex !important;
}

.modal-content {
    background: linear-gradient(145deg, #1f1f35 0%, #1a1a2e 100%);
    border-radius: 16px;
    padding: 0;
    max-width: 480px;
    width: 90%;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    border: 1px solid rgba(102, 126, 234, 0.2);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    opacity: 0.8;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
    background: rgba(102, 126, 234, 0.03);
}

.modal-header h3 {
    margin: 0;
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.modal-body {
    padding: 28px 32px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    font-size: 15px;
}

.modal-body p {
    margin: 0 0 16px 0;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

.modal-body strong {
    color: #ffffff;
    font-weight: 600;
}

.modal-actions {
    padding: 24px 32px 32px;
    border-top: 1px solid rgba(102, 126, 234, 0.15);
    display: flex;
    justify-content: flex-end;
    background: rgba(102, 126, 234, 0.02);
}

/* 모달 내부 버튼만 스타일 적용 */
.modal .btn-primary {
    background: #4a90e2;
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 0;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: none;
    position: relative;
}

.modal .btn-primary:hover {
    background: #357abd;
    transform: none;
    box-shadow: none;
}

.modal .btn-primary:active {
    background: #2e6ba8;
    transform: none;
    box-shadow: none;
}

/* 라이트 모드 - 깔끔한 디자인 */
body.light-mode .register-section {
    background: transparent;
}

body.light-mode .form-header {
    border-bottom: 1px solid #e9ecef;
}

body.light-mode .form-header h2 {
    color: #000000;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: #000000;
    background-clip: unset;
}

body.light-mode .register-description {
    color: #6c757d;
}

body.light-mode .form-group label {
    color: #212529;
}

body.light-mode .form-group label:has(+ input[required])::after,
body.light-mode .form-group label:has(+ select[required])::after,
body.light-mode .form-group label:has(+ textarea[required])::after {
    color: #dc3545;
}

body.light-mode .form-group input,
body.light-mode .form-group select,
body.light-mode .form-group textarea {
    background: #ffffff;
    border: 1px solid #dee2e6;
    color: #212529;
}

body.light-mode .form-group input::placeholder,
body.light-mode .form-group textarea::placeholder {
    color: #adb5bd;
}

body.light-mode .form-group input:focus,
body.light-mode .form-group select:focus,
body.light-mode .form-group textarea:focus {
    border-color: #667eea;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

body.light-mode .file-upload-button {
    background: #ffffff;
    border: 1px solid #dee2e6;
    color: #667eea;
}

body.light-mode .file-upload-button:hover {
    background: #f8f9fa;
    border-color: #667eea;
}

body.light-mode .file-name-display {
    color: #6c757d;
}

body.light-mode .image-preview-item {
    background: #ffffff;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

body.light-mode .modal {
    background-color: rgba(0, 0, 0, 0.4);
}

body.light-mode .modal-content {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(0, 0, 0, 0.02) inset;
}

body.light-mode .modal-content::before {
    background: linear-gradient(90deg, #4a90e2 0%, #667eea 100%);
}

body.light-mode .modal-header {
    border-bottom: 1px solid rgba(74, 144, 226, 0.15);
    background: rgba(74, 144, 226, 0.02);
}

body.light-mode .modal-header h3 {
    color: #212529;
}

body.light-mode .modal-body {
    color: #495057;
}

body.light-mode .modal-body strong {
    color: #212529;
}

body.light-mode .modal-actions {
    border-top: 1px solid rgba(74, 144, 226, 0.15);
    background: rgba(74, 144, 226, 0.01);
}

body.light-mode .back-btn {
    background: transparent;
    border: none;
    color: #495057;
    box-shadow: none;
}

body.light-mode .back-btn:hover {
    background: transparent;
    border: none;
    color: #212529;
    box-shadow: none;
    transform: none;
}

body.light-mode .modal .btn-primary {
    background: #4a90e2;
    color: white;
    box-shadow: none;
    border: none;
}

body.light-mode .modal .btn-primary:hover {
    background: #357abd;
    box-shadow: none;
    transform: none;
}

body.light-mode .modal .btn-primary:active {
    background: #2e6ba8;
    box-shadow: none;
    transform: none;
}

body.light-mode .register-btn,
body.light-mode .submit-btn {
    background: linear-gradient(135deg, #4a90e2 0%, #667eea 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
    border: none;
    padding: 18px;
    font-weight: 600;
    font-size: 16px;
    border-radius: 8px;
}

body.light-mode .register-btn:hover,
body.light-mode .submit-btn:hover {
    background: linear-gradient(135deg, #357abd 0%, #5568d3 100%);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
    transform: translateY(-2px);
}