/* AF Clan - StarCraft 2 Theme */

/* Google Fonts - 게임 느낌의 폰트 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

:root {
    --sc2-bg-dark: #0a0e13;
    --sc2-bg-medium: #141a22;
    --sc2-bg-light: #1c2530;
    --sc2-blue: #00a8ff;
    --sc2-blue-dark: #0066cc;
    --sc2-blue-glow: #00d4ff;
    --sc2-gold: #ffc107;
    --sc2-gold-dark: #c99700;
    --sc2-red: #ff4444;
    --sc2-green: #00ff88;
    --sc2-purple: #9d4edd;
    --sc2-text: #c8d6e5;
    --sc2-text-muted: #6c7a89;
    --sc2-border: #2a3a4a;
    --sc2-border-glow: rgba(0, 168, 255, 0.5);
}

/* 전역 스타일 */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: linear-gradient(135deg, var(--sc2-bg-dark) 0%, var(--sc2-bg-medium) 50%, var(--sc2-bg-dark) 100%);
    background-attachment: fixed;
    color: var(--sc2-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 배경 패턴 오버레이 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 168, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(157, 78, 221, 0.03) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
    z-index: -1;
}

main {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    letter-spacing: 1px;
    color: #e8f0f8;
}

h1, h2 {
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

a {
    color: var(--sc2-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--sc2-blue-glow);
    text-shadow: 0 0 10px var(--sc2-blue-glow);
}

/* 네비게이션 */
.navbar {
    background: linear-gradient(180deg, var(--sc2-bg-medium) 0%, var(--sc2-bg-dark) 100%) !important;
    border-bottom: 2px solid var(--sc2-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), inset 0 -1px 0 rgba(0, 168, 255, 0.2);
    padding: 0.8rem 1rem;
}

.navbar-brand {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--sc2-blue) !important;
    text-shadow: 0 0 20px var(--sc2-blue-glow), 0 0 40px rgba(0, 168, 255, 0.3);
    letter-spacing: 2px;
}

.navbar-brand:hover {
    color: var(--sc2-blue-glow) !important;
    text-shadow: 0 0 30px var(--sc2-blue-glow), 0 0 60px var(--sc2-blue);
}

.navbar-nav .nav-link {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: #c8d6e5 !important;
    padding: 0.5rem 1rem;
    margin: 0 0.2rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--sc2-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
    color: var(--sc2-blue-glow) !important;
    background: rgba(0, 168, 255, 0.1);
}

.navbar-nav .nav-link:hover::before {
    width: 80%;
}

.dropdown-menu {
    background: var(--sc2-bg-medium);
    border: 1px solid var(--sc2-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 168, 255, 0.1);
    border-radius: 8px;
    padding: 0.5rem;
}

.dropdown-item {
    color: #c8d6e5;
    padding: 0.6rem 1rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: rgba(0, 168, 255, 0.2);
    color: var(--sc2-blue-glow);
}

.dropdown-divider {
    border-color: var(--sc2-border);
}

/* 카드 스타일 */
.card {
    background: linear-gradient(145deg, var(--sc2-bg-light) 0%, var(--sc2-bg-medium) 100%);
    border: 1px solid var(--sc2-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--sc2-blue);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 168, 255, 0.1);
}

.card-header {
    background: linear-gradient(90deg, rgba(0, 168, 255, 0.15) 0%, transparent 100%);
    border-bottom: 1px solid var(--sc2-border);
    padding: 1rem 1.25rem;
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    letter-spacing: 1px;
    color: #00d4ff;
}

.card-body {
    padding: 1.25rem;
}

/* 버튼 스타일 */
.btn {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(180deg, var(--sc2-blue) 0%, var(--sc2-blue-dark) 100%);
    border: 1px solid var(--sc2-blue);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 168, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(180deg, var(--sc2-blue-glow) 0%, var(--sc2-blue) 100%);
    border-color: var(--sc2-blue-glow);
    box-shadow: 0 6px 25px rgba(0, 168, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(180deg, var(--sc2-green) 0%, #00cc6a 100%);
    border: 1px solid var(--sc2-green);
    color: #000;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-success:hover {
    background: linear-gradient(180deg, #00ffaa 0%, var(--sc2-green) 100%);
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.5);
    transform: translateY(-2px);
    color: #000;
}

.btn-warning {
    background: linear-gradient(180deg, var(--sc2-gold) 0%, var(--sc2-gold-dark) 100%);
    border: 1px solid var(--sc2-gold);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.3);
}

.btn-danger {
    background: linear-gradient(180deg, var(--sc2-red) 0%, #cc0000 100%);
    border: 1px solid var(--sc2-red);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 68, 68, 0.3);
}

.btn-secondary {
    background: linear-gradient(180deg, var(--sc2-bg-light) 0%, var(--sc2-bg-medium) 100%);
    border: 1px solid var(--sc2-border);
    color: var(--sc2-text);
}

.btn-secondary:hover {
    background: linear-gradient(180deg, #2a3a4a 0%, var(--sc2-bg-light) 100%);
    border-color: var(--sc2-blue);
    color: var(--sc2-blue-glow);
}

.btn-outline-primary {
    border: 1px solid var(--sc2-blue);
    color: var(--sc2-blue);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--sc2-blue);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 168, 255, 0.4);
}

/* 폼 스타일 */
.form-control, .form-select {
    background: var(--sc2-bg-dark);
    border: 1px solid var(--sc2-border);
    color: var(--sc2-text);
    border-radius: 6px;
    padding: 0.7rem 1rem;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background: var(--sc2-bg-dark);
    border-color: var(--sc2-blue);
    color: var(--sc2-text);
    box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.2), 0 0 20px rgba(0, 168, 255, 0.1);
}

.form-control::placeholder {
    color: var(--sc2-text-muted);
}

.form-label {
    font-weight: 600;
    color: #e8f0f8;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.form-text {
    color: #8899aa;
}

/* 테이블 스타일 */
.table {
    color: #e8f0f8;
    margin-bottom: 0;
}

.table thead th {
    background: linear-gradient(180deg, rgba(0, 168, 255, 0.1) 0%, rgba(0, 168, 255, 0.05) 100%);
    border-bottom: 2px solid var(--sc2-blue);
    color: #00d4ff;
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 1rem;
}

.table tbody th {
    background: transparent !important;
}

.table tbody tr {
    border-bottom: 1px solid var(--sc2-border);
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: rgba(0, 168, 255, 0.05);
}

.table tbody td {
    background: transparent;
    padding: 0.9rem 1rem;
    vertical-align: middle;
    border: none;
    color: #c8d6e5;
}

.table-warning {
    background: linear-gradient(90deg, rgba(255, 193, 7, 0.1) 0%, transparent 100%) !important;
}

.table-primary {
    background: rgba(0, 168, 255, 0.1) !important;
}

.table-light {
    background: rgba(0, 168, 255, 0.05) !important;
}

/* 배지 스타일 */
.badge {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    padding: 0.4em 0.8em;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.badge.bg-primary {
    background: linear-gradient(180deg, var(--sc2-blue) 0%, var(--sc2-blue-dark) 100%) !important;
    box-shadow: 0 2px 10px rgba(0, 168, 255, 0.3);
}

.badge.bg-warning {
    background: linear-gradient(180deg, var(--sc2-gold) 0%, var(--sc2-gold-dark) 100%) !important;
    color: #000 !important;
}

.badge.bg-danger {
    background: linear-gradient(180deg, var(--sc2-red) 0%, #cc0000 100%) !important;
}

.badge.bg-success {
    background: linear-gradient(180deg, var(--sc2-green) 0%, #00cc6a 100%) !important;
    color: #000 !important;
}

.badge.bg-secondary {
    background: var(--sc2-bg-light) !important;
    border: 1px solid var(--sc2-border);
}

.badge.bg-dark {
    background: linear-gradient(180deg, var(--sc2-purple) 0%, #7b2cbf 100%) !important;
}

/* 알림 스타일 */
.alert {
    border-radius: 8px;
    border: 1px solid;
    font-weight: 500;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--sc2-green);
    color: var(--sc2-green);
}

.alert-danger {
    background: rgba(255, 68, 68, 0.1);
    border-color: var(--sc2-red);
    color: var(--sc2-red);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border-color: var(--sc2-gold);
    color: var(--sc2-gold);
}

.alert-info {
    background: rgba(0, 168, 255, 0.1);
    border-color: var(--sc2-blue);
    color: var(--sc2-blue);
}

/* 히어로 섹션 */
.hero-section {
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.2) 0%, rgba(157, 78, 221, 0.2) 100%);
    border: 1px solid var(--sc2-border);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 168, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-section h1 {
    font-size: 3rem;
    color: var(--sc2-blue-glow);
    text-shadow: 0 0 30px var(--sc2-blue), 0 0 60px rgba(0, 168, 255, 0.5);
    position: relative;
    z-index: 1;
}

.hero-section p {
    font-size: 1.3rem;
    color: #c8d6e5;
    position: relative;
    z-index: 1;
}

/* 페이지네이션 */
.pagination {
    gap: 0.3rem;
}

.page-link {
    background: var(--sc2-bg-medium);
    border: 1px solid var(--sc2-border);
    color: var(--sc2-text);
    border-radius: 6px !important;
    padding: 0.5rem 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.page-link:hover {
    background: rgba(0, 168, 255, 0.2);
    border-color: var(--sc2-blue);
    color: var(--sc2-blue-glow);
}

.page-item.active .page-link {
    background: linear-gradient(180deg, var(--sc2-blue) 0%, var(--sc2-blue-dark) 100%);
    border-color: var(--sc2-blue);
    box-shadow: 0 0 15px rgba(0, 168, 255, 0.4);
}

.page-item.disabled .page-link {
    background: var(--sc2-bg-dark);
    border-color: var(--sc2-border);
    color: var(--sc2-text-muted);
}

/* 푸터 */
footer {
    background: linear-gradient(180deg, var(--sc2-bg-medium) 0%, var(--sc2-bg-dark) 100%);
    border-top: 2px solid var(--sc2-border);
    margin-top: auto;
    padding: 2rem 0;
}

footer p {
    margin: 0;
    color: var(--sc2-text-muted);
}

footer strong {
    color: var(--sc2-blue);
}

/* 탭 네비게이션 */
.nav-tabs {
    border-bottom: 2px solid var(--sc2-border);
}

.nav-tabs .nav-link {
    background: transparent;
    border: 1px solid transparent;
    border-bottom: none;
    color: var(--sc2-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.8rem 1.5rem;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    border-color: var(--sc2-border);
    color: var(--sc2-blue);
}

.nav-tabs .nav-link.active {
    background: var(--sc2-bg-medium);
    border-color: var(--sc2-border);
    border-bottom: 2px solid var(--sc2-blue);
    color: var(--sc2-blue-glow);
    margin-bottom: -2px;
}

/* 게임 페이지 */
#tetris {
    display: block;
    margin: 0 auto;
    border: 3px solid var(--sc2-blue) !important;
    box-shadow: 0 0 30px rgba(0, 168, 255, 0.3), inset 0 0 50px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
}

/* 랭킹 하이라이트 */
.rank-gold td:first-child,
.table-warning td:first-child {
    color: var(--sc2-gold);
    text-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
}

/* 스크롤바 커스텀 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--sc2-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--sc2-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--sc2-blue);
}

/* 모달 */
.modal-content {
    background: var(--sc2-bg-medium);
    border: 1px solid var(--sc2-border);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
}

.modal-header {
    border-bottom: 1px solid var(--sc2-border);
}

.modal-footer {
    border-top: 1px solid var(--sc2-border);
}

.btn-close {
    filter: invert(1);
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--sc2-blue);
}

.breadcrumb-item.active {
    color: var(--sc2-text-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--sc2-text-muted);
}

/* 게시글 내용 */
.board-content {
    line-height: 1.9;
    color: var(--sc2-text);
}

.board-content img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--sc2-border);
}

.board-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.board-content table th,
.board-content table td {
    border: 1px solid var(--sc2-border);
    padding: 0.7rem;
}

.board-content table th {
    background: rgba(0, 168, 255, 0.1);
    color: var(--sc2-blue);
}

/* 리스트 그룹 */
.list-group-item {
    background: var(--sc2-bg-medium);
    border-color: var(--sc2-border);
    color: var(--sc2-text);
}

.list-group-item:hover {
    background: rgba(0, 168, 255, 0.05);
}

/* 반응형 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .card-header {
        padding: 0.8rem 1rem;
    }
    
    .table thead th {
        font-size: 0.75rem;
        padding: 0.7rem;
    }
}

/* 애니메이션 */
@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--sc2-blue), 0 0 10px var(--sc2-blue); }
    50% { box-shadow: 0 0 20px var(--sc2-blue), 0 0 30px var(--sc2-blue); }
}

.glow-effect {
    animation: glow 2s ease-in-out infinite;
}

/* 체크박스 커스텀 */
.form-check-input {
    background-color: var(--sc2-bg-dark);
    border-color: var(--sc2-border);
}

.form-check-input:checked {
    background-color: var(--sc2-blue);
    border-color: var(--sc2-blue);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.25);
}

/* 빈 상태 메시지 */
.text-muted {
    color: #6c7a89 !important;
}

/* 테이블 빈 데이터 행 */
.table tbody tr td[colspan] {
    background: transparent !important;
    color: #6c7a89 !important;
}

/* 빈 상태 영역 */
.empty-state {
    color: #6c7a89;
    background: transparent;
}