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

body {
    font-family: 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
    background: #f5f5f5;
    color: #333;
}

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* 사이드바 */
.admin-sidebar {
    width: 250px;
    background: #2c3e50;
    color: white;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-sidebar h1 {
    font-size: 20px;
    padding: 0 20px 20px;
    border-bottom: 1px solid #34495e;
    margin-bottom: 20px;
}

.admin-sidebar nav ul {
    list-style: none;
}

.admin-sidebar nav ul li {
    margin: 5px 0;
}

.admin-sidebar nav ul li a {
    display: block;
    padding: 12px 20px;
    color: #ecf0f1;
    text-decoration: none;
    transition: all 0.3s;
}

.admin-sidebar nav ul li a:hover,
.admin-sidebar nav ul li a.active {
    background: #34495e;
    border-left: 3px solid #3498db;
}

/* 메인 콘텐츠 */
.admin-main {
    flex: 1;
    margin-left: 250px;
    padding: 30px;
}

.admin-header {
    background: white;
    padding: 20px 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h2 {
    font-size: 24px;
    color: #2c3e50;
}

.admin-header .logout-btn {
    padding: 8px 20px;
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* 섹션 */
.admin-section {
    display: none;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.admin-section.active {
    display: block;
}

.admin-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #2c3e50;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

/* 폼 스타일 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-success {
    background: #2ecc71;
    color: white;
}

.btn-success:hover {
    background: #27ae60;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* 테이블 스타일 */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.admin-table th,
.admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.admin-table th {
    background: #f8f9fa;
    font-weight: bold;
    color: #2c3e50;
}

.admin-table tr:hover {
    background: #f8f9fa;
}

/* 메뉴 아이템 */
.menu-item {
    background: #f8f9fa;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.menu-item-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.menu-item-form .form-group {
    margin-bottom: 10px;
}

/* 배너 아이템 */
.banner-item {
    background: #f8f9fa;
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.banner-preview {
    max-width: 300px;
    margin: 10px 0;
}

.banner-preview img {
    width: 100%;
    border-radius: 5px;
}

/* 알림 메시지 */
.alert {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: none;
    position: fixed;
    top: -100px;
    left: 50%;
    margin-left: -150px;
    width: 300px;
    text-align: center;
    z-index: 99999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    font-weight: bold;
    transition: top 0.4s ease;
}

.alert-success {
    background: #28a745;
    color: #ffffff;
    border: 2px solid #1e7e34;
}

.alert-error {
    background: #dc3545;
    color: #ffffff;
    border: 2px solid #bd2130;
}

.alert.show {
    display: block;
    top: 20px;
}

/* 로그인 페이지 */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #ffffff;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border: 1px solid #e0e0e0;
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

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

.login-box input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.login-box button {
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

.login-box button:hover {
    background: #2980b9;
}

.login-error {
    color: #e74c3c;
    text-align: center;
    margin-top: 10px;
    display: none;
}

/* 빠른 메뉴 아이템 */
.shortcut-item {
    display: inline-block;
    width: calc(12.5% - 10px);
    margin: 5px;
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    border: 1px solid #ddd;
    vertical-align: top;
}

.shortcut-item .form-group {
    margin-bottom: 10px;
}

/* 반응형 */
@media (max-width: 1024px) {
    .admin-sidebar {
        width: 200px;
    }
    
    .admin-main {
        margin-left: 200px;
    }
    
    .shortcut-item {
        width: calc(25% - 10px);
    }
}

@media (max-width: 768px) {
    .admin-wrapper {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 15px 0;
    }
    
    .admin-sidebar h1 {
        padding: 0 15px 15px;
        font-size: 18px;
    }
    
    .admin-sidebar nav ul {
        display: flex;
        flex-wrap: wrap;
        padding: 0 10px;
    }
    
    .admin-sidebar nav ul li {
        margin: 0;
        flex: 1;
        min-width: 120px;
    }
    
    .admin-sidebar nav ul li a {
        padding: 10px 15px;
        text-align: center;
        border-left: none;
        border-bottom: 3px solid transparent;
    }
    
    .admin-sidebar nav ul li a:hover,
    .admin-sidebar nav ul li a.active {
        border-left: none;
        border-bottom: 3px solid #3498db;
    }
    
    .admin-main {
        margin-left: 0;
        padding: 15px;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 10px;
        padding: 15px 20px;
    }
    
    .admin-header h2 {
        font-size: 20px;
    }
    
    .admin-section {
        padding: 20px 15px;
    }
    
    .admin-section h3 {
        font-size: 18px;
    }
    
    .menu-item-form {
        grid-template-columns: 1fr;
    }
    
    .shortcut-item {
        width: 100%;
    }
    
    .banner-item {
        padding: 15px;
    }
    
    .menu-item-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .menu-item-header > div {
        width: 100%;
        display: flex;
        gap: 5px;
    }
    
    .alert {
        width: 90%;
        margin-left: 5%;
    }
    
    .login-box {
        margin: 20px;
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .admin-sidebar nav ul li {
        min-width: 100%;
    }
    
    .admin-header {
        padding: 10px 15px;
    }
    
    .admin-section {
        padding: 15px 10px;
    }
    
    .form-group input[type="text"],
    .form-group input[type="url"],
    .form-group textarea {
        font-size: 14px;
    }
    
    .btn {
        padding: 8px 15px;
        font-size: 13px;
    }
    
    .btn-sm {
        padding: 4px 8px;
        font-size: 11px;
    }
}