/* ========================================
   TRENBE DESIGN SYSTEM
   통합된 디자인 시스템 및 CSS 변수 관리
   ======================================== */

/* ========================================
   CSS 변수 정의 (색상 팔레트)
   ======================================== */
:root {
    /* 브랜드 컬러 */
    --brand-primary: #8B5CF6;
    --brand-primary-dark: #7C3AED;
    --brand-primary-light: #A78BFA;
    --brand-primary-hover: #6D28D9;
    
    /* 다크 테마 컬러 */
    --dark-bg: #0F0F23;
    --dark-surface: #1A1A2E;
    --dark-card: #16213E;
    --dark-border: #2D3748;
    --dark-border-hover: #4A5568;
    
    /* 텍스트 컬러 */
    --text-primary: #E2E8F0;
    --text-secondary: #A0AEC0;
    --text-muted: #718096;
    --text-inverse: #1A202C;
    
    /* 상태 컬러 */
    --success: #10B981;
    --success-dark: #059669;
    --warning: #F59E0B;
    --warning-dark: #D97706;
    --danger: #EF4444;
    --danger-dark: #DC2626;
    --info: #3B82F6;
    --info-dark: #2563EB;
    
    /* 그레이스케일 */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 둥근 모서리 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 간격 */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    
    /* 트랜지션 */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ========================================
   기본 스타일
   ======================================== */
body {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

/* ========================================
   레이아웃 컨테이너 스타일
   ======================================== */
.container-fluid {
    max-width: 1296px;
    margin: 0 auto;
    padding-left: 7px;
    padding-right: 7px;
}

.container {
    max-width: 1296px;
}

/* ========================================
   네비게이션 스타일
   ======================================== */
.navbar-trenbe {
    background: var(--dark-surface);
    border-bottom: 1px solid var(--dark-border);
}

/* 데스크톱에서 네비게이션 항상 표시 */
@media (min-width: 992px) {
    .navbar-trenbe .navbar-collapse {
        display: flex !important;
    }
    
    .navbar-trenbe .navbar-toggler {
        display: none;
    }
}

.navbar-brand-trenbe {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary) !important;
}

.navbar-brand-trenbe:hover {
    color: var(--text-primary) !important;
}

/* 네비게이션 링크 스타일 */
.navbar-trenbe .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    transition: var(--transition-normal);
}

.navbar-trenbe .nav-link:hover {
    color: var(--brand-primary-light) !important;
}

.navbar-trenbe .dropdown-toggle {
    color: var(--text-primary) !important;
}

.navbar-trenbe .dropdown-toggle:hover {
    color: var(--brand-primary-light) !important;
}

.dropdown-menu-trenbe {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    box-shadow: var(--shadow-lg);
}

.dropdown-item-trenbe {
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.dropdown-item-trenbe:hover {
    background-color: var(--dark-card);
    color: var(--brand-primary);
}

.dropdown-divider-trenbe {
    border-color: var(--dark-border);
}

.dropdown-item-text-trenbe {
    color: var(--text-secondary) !important;
}

/* ========================================
   텍스트 스타일
   ======================================== */
.text-primary-trenbe {
    color: var(--text-primary) !important;
}

.text-secondary-trenbe {
    color: var(--text-secondary) !important;
}

.text-muted-trenbe {
    color: var(--text-muted) !important;
}

.text-brand {
    color: var(--brand-primary) !important;
}

.text-success-trenbe {
    color: var(--success) !important;
}

.text-warning-trenbe {
    color: var(--warning) !important;
}

.text-danger-trenbe {
    color: var(--danger) !important;
}

.text-info-trenbe {
    color: var(--info) !important;
}

/* ========================================
   카드 스타일
   ======================================== */
.card-trenbe {
    background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-surface) 100%);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
    color: var(--text-primary);
}

.card-trenbe:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.card-trenbe .card-body {
    color: var(--text-primary);
    background: transparent;
}

.card-trenbe .card-body strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.card-trenbe .card-body .col-8 {
    color: var(--text-primary);
    font-weight: 500;
}

.card-header-trenbe {
    background: var(--dark-surface);
    border-bottom: 1px solid var(--dark-border);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    color: var(--text-primary);
}

/* ========================================
   브랜드 카드 스타일
   ======================================== */
.brand-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-surface) 100%);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.brand-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-primary-light));
    opacity: 0;
    transition: var(--transition-normal);
}

.brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--brand-primary);
}

.brand-card:hover::before {
    opacity: 1;
}

/* ========================================
   버튼 스타일
   ======================================== */
.btn-brand {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    border: none;
    color: white;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.btn-brand:hover {
    background: linear-gradient(135deg, var(--brand-primary-dark), var(--brand-primary-hover));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-outline-brand {
    border: 2px solid var(--brand-primary-light);
    color: var(--brand-primary-light);
    background: transparent;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: none !important; /* 트랜지션 비활성화 */
}

/* hover 효과 제거 - 배경색 변경으로 텍스트가 보이지 않는 문제 해결 */
.btn-outline-brand:hover,
.btn-outline-brand:focus,
.btn-outline-brand:active {
    border: 2px solid var(--brand-primary-light) !important;
    color: var(--brand-primary-light) !important;
    background: transparent !important;
    box-shadow: none !important;
    /* hover/focus/active 시 스타일 변경 없음 */
}

/* ========================================
   통계 스타일
   ======================================== */
.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.stat-value-brand {
    color: var(--brand-primary);
}

.stat-value-success {
    color: var(--success);
}

.stat-value-info {
    color: var(--info);
}

.stat-value-danger {
    color: var(--danger);
}

.stat-value-warning {
    color: var(--warning);
}

/* ========================================
   진행률 바 스타일
   ======================================== */
.progress-trenbe {
    background: var(--dark-border);
    border-radius: var(--radius-lg);
    height: 8px;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, var(--success), var(--success-dark));
    height: 100%;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

/* ========================================
   배지 스타일
   ======================================== */
.badge-brand {
    background: var(--brand-primary);
    color: white;
}

.badge-success-trenbe {
    background: var(--success);
    color: white;
}

.badge-warning-trenbe {
    background: var(--warning);
    color: var(--text-inverse);
}

.badge-danger-trenbe {
    background: var(--danger);
    color: white;
}

.badge-info-trenbe {
    background: var(--info);
    color: white;
}

/* ========================================
   폼 스타일
   ======================================== */
.form-control-trenbe {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.form-control-trenbe:focus {
    background: var(--dark-surface);
    border-color: var(--brand-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(139, 92, 246, 0.25);
}

.form-control-trenbe::placeholder {
    color: var(--text-muted);
}

/* ========================================
   테이블 스타일
   ======================================== */
.table-trenbe {
    color: var(--text-primary);
    background: var(--dark-surface);
}

.table-trenbe th {
    border-color: var(--dark-border);
    background: var(--dark-card);
    color: var(--text-primary);
    font-weight: 600;
}

.table-trenbe td {
    border-color: var(--dark-border);
    color: var(--text-primary);
}

.table-trenbe tbody tr:hover {
    background: var(--dark-card);
}

/* ========================================
   프로필 정보 스타일
   ======================================== */
.profile-info-row {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--dark-border);
}

.profile-info-row:last-child {
    border-bottom: none;
}

.profile-info-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.profile-info-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.profile-info-value.email {
    color: var(--brand-primary);
    font-weight: 600;
}

/* ========================================
   알림 스타일
   ======================================== */
.alert-success-trenbe {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-warning-trenbe {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-danger-trenbe {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-info-trenbe {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--info);
    color: var(--info);
}

/* ========================================
   충전 옵션 스타일
   ======================================== */
.charge-option {
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid var(--dark-border);
    background: var(--dark-surface);
}

.charge-option:hover {
    border-color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.charge-option.selected {
    border-color: var(--brand-primary);
    background: var(--brand-primary);
    color: white;
}

/* ========================================
   유틸리티 클래스
   ======================================== */
.hidden {
    display: none !important;
}

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

.mb-section {
    margin-bottom: var(--space-12);
}

.mt-section {
    margin-top: var(--space-12);
}

.p-section {
    padding: var(--space-12);
}

/* ========================================
   반응형 유틸리티
   ======================================== */
@media (max-width: 768px) {
    .brand-card {
        padding: var(--space-4);
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
    
    .btn-brand,
    .btn-outline-brand {
        width: 100%;
        margin-bottom: var(--space-2);
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ========================================
   포커스 스타일 (접근성)
   ======================================== */
.focus-visible:focus {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

/* ========================================
   스크롤바 스타일
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-border);
    border-radius: var(--radius-lg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-primary);
}

/* ========================================
   페이징 스타일
   ======================================== */
.pagination .page-link {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.pagination .page-link:hover {
    background: var(--dark-card);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.pagination .page-item.active .page-link {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: white;
}

.pagination .page-item.disabled .page-link {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--text-muted);
}

/* 포인트 충전 옵션 스타일 */
.charge-option {
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.charge-option:hover {
    border-color: var(--brand-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.charge-option.selected {
    border-color: var(--brand-primary);
    background-color: var(--brand-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.charge-option.selected .card-title {
    color: var(--brand-primary-dark) !important;
}

.charge-option.selected .card-text {
    color: var(--brand-primary-dark) !important;
    font-weight: 600;
}

/* 테이블 스타일 개선 */
.table-trenbe {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.table-trenbe th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    font-weight: 600;
}

.table-trenbe td {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
    vertical-align: middle;
}

.table-trenbe tbody tr:hover {
    background: var(--bg-secondary);
}

.table-trenbe tbody tr:hover td {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* 포인트 내역 테이블 특별 스타일 */
.table-trenbe .text-success-trenbe {
    color: var(--success-color) !important;
    font-weight: 600;
}

.table-trenbe .text-danger-trenbe {
    color: var(--danger-color) !important;
    font-weight: 600;
}

/* ========================================
   Footer 스타일
   ======================================== */
.footer-trenbe {
    background-color: #1a1a2e !important;
    margin-top: auto;
}

.footer-heading {
    font-weight: 600;
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.footer-links {
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a,
.footer-link {
    color: #cbd5e0 !important;
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
}

.footer-links a:hover,
.footer-link:hover,
.hover-purple:hover {
    color: var(--brand-primary) !important;
}

.footer-text {
    color: #cbd5e0 !important;
}

.footer-info p {
    line-height: 1.6;
}

.footer-info strong {
    font-weight: 600;
}

.footer-copyright {
    color: #a0aec0 !important;
}

/* Footer 반응형 */
@media (max-width: 767.98px) {
    .footer-trenbe {
        margin-top: 3rem !important;
        padding-top: 2rem !important;
    }
    
    .footer-trenbe .row.g-4 {
        gap: 2rem !important;
    }
    
    .footer-heading {
        margin-top: 1rem;
    }
    
    .footer-heading:first-child {
        margin-top: 0;
    }
}

/* Body에 Flex 레이아웃 적용하여 Footer를 하단에 고정 */
html {
    height: 100%;
}

body {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

body > main,
body > .container-fluid {
    flex: 1;
}