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

body {
    font-family: 'Malgun Gothic', '맑은 고딕', Arial, sans-serif;
    font-size: 14pt;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* 네비게이션 */
.navbar {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
}

.navbar .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    max-width: 100%;
    padding: 0 20px;
}

.logo {
    display: none; /* 로고 숨기기 */
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu li.auth-link {
    margin-left: auto;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* 메인 컨텐츠 */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* 플래시 메시지 */
.flash-messages {
    margin-bottom: 1rem;
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

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

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

/* 히어로 섹션 */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: white;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.hero p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 기능 카드 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
}

/* 페이지 헤더 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-header h2 {
    color: #2c3e50;
}

/* 폼 스타일 */
.registration-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14pt;
    font-family: inherit;
}

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

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* 버튼 */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 14pt;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
}

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

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

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 12pt;
}

/* 테이블 */
.table-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow-x: auto;
}

.member-table {
    width: 100%;
    border-collapse: collapse;
}

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

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

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

.text-center {
    text-align: center;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 12pt;
    font-weight: bold;
}

.status-active {
    background-color: #d4edda;
    color: #155724;
}

.status-inactive {
    background-color: #f8d7da;
    color: #721c24;
}

/* 푸터 */
.footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

/* 상세 정보 페이지 */
.member-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.detail-card h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table th {
    width: 30%;
    padding: 0.75rem;
    text-align: left;
    font-weight: bold;
    color: #2c3e50;
    vertical-align: top;
}

.detail-table td {
    padding: 0.75rem;
    color: #666;
}

.detail-table tr {
    border-bottom: 1px solid #eee;
}

.detail-table tr:last-child {
    border-bottom: none;
}

.notes-text {
    color: #666;
    line-height: 1.8;
    white-space: pre-wrap;
}

.form-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 12pt;
    color: #666;
}

.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14pt;
    font-family: inherit;
    background-color: white;
}

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

.form-group input:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: row;
        justify-content: flex-end;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: row;
        gap: 1rem;
        text-align: right;
        margin-left: auto;
    }

    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .action-buttons {
        flex-direction: column;
    }

    .table-container {
        overflow-x: scroll;
    }

    .member-detail {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-header > div {
        margin-top: 1rem;
    }
}