/* 관리자 페이지 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: #000 url('../images/space_background.jpg') center center / cover no-repeat fixed;
    color: white;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: -1;
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.admin-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-logo-img {
    height: 35px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: all 0.3s ease;
}

.admin-logo-img:hover {
    transform: scale(1.1);
    filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(102, 126, 234, 0.8));
}

.admin-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #667eea;
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-btn {
    background: rgba(220, 53, 69, 0.8);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
}

.logout-btn:hover {
    background: rgba(220, 53, 69, 1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(220, 53, 69, 0.4);
}

.back-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.admin-main {
    display: grid;
    gap: 30px;
}

.admin-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.admin-card:hover {
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.admin-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #667eea;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
}

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

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.form-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    gap: 8px;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-small {
    padding: 6px 12px;
    font-size: 14px;
}

.current-settings {
    display: grid;
    gap: 15px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.setting-item label {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-right: 15px;
}

.setting-item span {
    flex: 1;
    color: white;
    word-break: break-all;
    margin-right: 15px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: #667eea;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.log-container {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.logs {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.log-entry {
    display: grid;
    grid-template-columns: 150px 80px 1fr;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: rgba(255, 255, 255, 0.6);
}

.log-type {
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-align: center;
    font-size: 12px;
}

.log-type.info {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
}

.log-type.success {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
}

.log-type.warning {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.log-type.error {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
}

.log-message {
    color: rgba(255, 255, 255, 0.9);
}

/* 스크롤바 스타일 */
.log-container::-webkit-scrollbar {
    width: 8px;
}

.log-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.log-container::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 4px;
}

.log-container::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.7);
}

/* 알림 메시지 */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.alert.success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid rgba(40, 167, 69, 0.3);
    color: #28a745;
}

.alert.error {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #dc3545;
}

.alert.warning {
    background: rgba(255, 193, 7, 0.2);
    border: 1px solid rgba(255, 193, 7, 0.3);
    color: #ffc107;
}

.alert.info {
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid rgba(102, 126, 234, 0.3);
    color: #667eea;
}

/* 로딩 스피너 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #667eea;
    animation: spin 1s ease-in-out infinite;
}

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

/* 반응형 디자인 */
@media (max-width: 768px) {
    .admin-container {
        padding: 15px;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .logout-btn,
    .back-btn {
        width: 100%;
        justify-content: center;
    }
    
    .admin-logo {
        justify-content: center;
    }
    
    .admin-logo h1 {
        font-size: 1.5rem;
    }
    
    .admin-card {
        padding: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .stat-item {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .log-entry {
        grid-template-columns: 1fr;
        gap: 5px;
        padding: 15px 0;
    }
    
    .log-time,
    .log-type {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .admin-header h1 {
        font-size: 1.5rem;
    }
    
    .admin-card h2 {
        font-size: 1.3rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}