/* 네트워크 정보 도구 스타일 */

/* 기본 설정 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    padding-top: 70px;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 헤더 */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.header-content h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.header-content h1 i {
    color: #3498db;
}

.header-content p {
    font-size: 1.1rem;
    color: #7f8c8d;
    margin-bottom: 25px;
}

.quick-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 버튼 스타일 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(149, 165, 166, 0.4);
}

/* 로딩 오버레이 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    text-align: center;
    color: #3498db;
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 20px;
}

.loading-spinner p {
    font-size: 1.2rem;
    font-weight: 500;
}

/* 대시보드 */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 정보 카드 */
.info-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.primary-card {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(41, 128, 185, 0.1));
    border: 2px solid rgba(52, 152, 219, 0.2);
}

/* 카드 헤더 */
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
}

.card-header h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h3 i {
    color: #3498db;
}

.refresh-btn {
    background: none;
    border: none;
    color: #7f8c8d;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.refresh-btn:hover {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
    transform: rotate(180deg);
}

/* IP 정보 표시 */
.ip-display {
    text-align: center;
}

.ip-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 15px;
    border: 2px solid rgba(52, 152, 219, 0.2);
}

.ip-label {
    font-size: 1.1rem;
    color: #7f8c8d;
    font-weight: 500;
}

.ip-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    font-family: 'Courier New', monospace;
}

.copy-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: #2980b9;
    transform: scale(1.1);
}

.ip-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.detail-item i {
    color: #3498db;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.detail-label {
    font-weight: 600;
    color: #7f8c8d;
    min-width: 60px;
}

.detail-value {
    color: #2c3e50;
    font-weight: 500;
    white-space: pre-line;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 연결 정보 */
.connection-grid {
    display: grid;
    gap: 20px;
}

.connection-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.connection-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.connection-info {
    flex: 1;
}

.connection-label {
    display: block;
    font-weight: 600;
    color: #7f8c8d;
    margin-bottom: 5px;
}

.connection-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
}

.test-speed-btn {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.test-speed-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
}

/* 보안 정보 */
.security-grid {
    display: grid;
    gap: 15px;
}

.security-item {
    padding: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.security-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.security-status i {
    color: #3498db;
    font-size: 1.3rem;
    width: 25px;
}

.security-status span:first-of-type {
    font-weight: 600;
    color: #2c3e50;
    flex: 1;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    background: #f39c12;
    color: white;
}

.status-badge.safe {
    background: #27ae60;
}

.status-badge.warning {
    background: #f39c12;
}

.status-badge.danger {
    background: #e74c3c;
}

.status-value {
    font-family: 'Courier New', monospace;
    color: #2c3e50;
    font-weight: 500;
}

/* 시스템 정보 */
.system-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.system-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.system-item i {
    color: #3498db;
    font-size: 1.3rem;
    width: 25px;
    text-align: center;
}

.system-label {
    font-weight: 600;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.system-value {
    color: #2c3e50;
    font-weight: 500;
    font-size: 0.95rem;
}

/* 네트워크 도구 */
.tools-card {
    grid-column: 1 / -1;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.tool-item {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-weight: 600;
    color: #2c3e50;
}

.tool-header i {
    color: #3498db;
    font-size: 1.2rem;
}

.tool-content input,
.tool-content select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    font-size: 1rem;
    margin-bottom: 15px;
    transition: all 0.3s ease;
    background: white;
}

.tool-content input:focus,
.tool-content select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.subnet-inputs {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    margin-bottom: 15px;
}

.subnet-inputs input,
.subnet-inputs select {
    margin-bottom: 0;
}

.tool-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: center;
}

.tool-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.tool-result {
    margin-top: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    min-height: 50px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #2c3e50;
    white-space: pre-wrap;
}

.tool-result.success {
    border-left: 4px solid #27ae60;
    background: rgba(39, 174, 96, 0.1);
}

.tool-result.error {
    border-left: 4px solid #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

.tool-result.info {
    border-left: 4px solid #3498db;
    background: rgba(52, 152, 219, 0.1);
}

/* 에러 상태 */
.error-state {
    text-align: center;
    padding: 60px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.error-content i {
    font-size: 4rem;
    color: #e74c3c;
    margin-bottom: 20px;
}

.error-content h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.error-content p {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 25px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 25px;
}

.export-options {
    margin-bottom: 20px;
}

.export-option {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.export-option:hover {
    background: rgba(52, 152, 219, 0.1);
}

.export-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #3498db;
}

.export-format {
    margin-top: 20px;
}

.export-format label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2c3e50;
}

.export-format select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    font-size: 1rem;
    background: white;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    background: rgba(0, 0, 0, 0.02);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header-content h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .primary-card {
        grid-column: 1;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .ip-details {
        grid-template-columns: 1fr;
    }
    
    .system-grid {
        grid-template-columns: 1fr;
    }
    
    .subnet-inputs {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 20px;
    }
    
    .info-card {
        padding: 20px;
    }
    
    .ip-main {
        flex-direction: column;
        gap: 10px;
    }
    
    .connection-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .security-status {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
}

/* CSP 제한 안내 메시지 */
.csp-info-notice {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.info-notice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 15px;
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid rgba(52, 152, 219, 0.2);
    border-radius: 8px;
    font-size: 0.85rem;
    color: #2c3e50;
    line-height: 1.4;
}

.info-notice i {
    color: #3498db;
    font-size: 1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.info-notice span {
    flex: 1;
}