/* Rabbit2 통일 디자인 시스템 - 모던 틸 색상 팔레트 */
:root {
    /* 색상 팔레트 - 모던 틸 톤 (앱 디자인과 동일) */
    --primary-color: #4ECDC4;
    --primary-light: #7DD3D0;
    --primary-dark: #3BA8A1;
    --secondary-color: #E74C3C;
    --accent-color: #FDFBEA;
    
    /* 중성 색상 - 모던 틸 톤 */
    --white: #F8FDFD;
    --gray-50: #F0FCFC;
    --gray-100: #E0F9F8;
    --gray-200: #C8F4F2;
    --gray-300: #A3E8E5;
    --gray-400: #7DD3D0;
    --gray-500: #4ECDC4;
    --gray-600: #3BA8A1;
    --gray-700: #333333;
    --gray-800: #2D2D2D;
    --gray-900: #1A1A1A;
    
    /* 상태 색상 - 앱 디자인과 일치 */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #E74C3C;
    --info: #4ECDC4;
    
    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* 둥근 모서리 */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--white);
    color: var(--gray-700);
    line-height: 1.6;
    min-height: 100vh;
}

/* 컨테이너 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-top: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

/* 헤더 */
.header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.3);
    border-bottom: 3px solid rgba(255, 255, 255, 0.2);
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 3px 6px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    letter-spacing: -0.02em;
}

.header p {
    font-size: 1.1rem;
    font-weight: 600;
    opacity: 1;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.25), 0 1px 2px rgba(0,0,0,0.15);
    letter-spacing: 0.01em;
}

/* 네비게이션 */
.nav {
    background: var(--white);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.nav a {
    color: var(--gray-600);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.nav a:hover::before {
    left: 100%;
}

.nav a:hover, .nav a.active {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 콘텐츠 */
.content {
    padding: 2rem;
}

/* 메시지 */
.message {
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    border: 1px solid;
}

.message.success {
    background: #f0fdf4;
    color: #166534;
    border-color: #bbf7d0;
}

.message.error {
    background: #fef2f2;
    color: #dc2626;
    border-color: #fecaca;
}

/* 버튼 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background: var(--success);
}

.btn-success:hover {
    background: #059669;
}

.btn-warning {
    background: var(--warning);
    color: var(--white);
}

.btn-warning:hover {
    background: #d97706;
}

.btn-danger {
    background: var(--error);
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

/* 카드 */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* 그리드 */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* 테이블 */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.table tr:hover {
    background: var(--gray-50);
}

/* 상태 배지 */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background: #f0fdf4;
    color: #166534;
}

.badge-warning {
    background: #fffbeb;
    color: #92400e;
}

.badge-error {
    background: #fef2f2;
    color: #dc2626;
}

.badge-info {
    background: #eff6ff;
    color: #1d4ed8;
}

/* 검색 폼 */
.search-form {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    border: 1px solid var(--gray-200);
}

/* 필터 */
.filter {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

/* 통계 카드 */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
}

/* 페이지 헤더 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-200);
}

.page-header h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-800);
}

/* 액션 버튼 */
.actions {
    display: flex;
    gap: 0.5rem;
}

.actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* 반응형 */
@media (max-width: 768px) {
    .container {
        margin: 1rem;
        border-radius: var(--radius-lg);
    }
    
    .header {
        padding: 2rem 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .nav {
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .content {
        padding: 1rem;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* 애니메이션 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* 토끼 테마 요소 */
.rabbit-icon {
    font-size: 1.2em;
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.rabbit-bg {
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(231, 76, 60, 0.1) 0%, transparent 50%);
}

/* 앱 스타일 버튼 */
.btn-app-primary {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.3);
}

.btn-app-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
}

.btn-app-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-app-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.3);
}

/* 앱 스타일 카드 */
.card-app {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(78, 205, 196, 0.1);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.card-app:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(78, 205, 196, 0.15);
}

/* 새로운 배지 스타일 */
.badge-new {
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}