/* ==================== 기본 리셋 & 변수 ==================== */
:root {
    --primary: #00f2ea;
    --secondary: #ff0050;
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-hover: #2a2a2a;
    --text-main: #ffffff;
    --text-dim: #cccccc;
    --text-muted: #666666;
    --border: #333333;
    --success: #2ecc71;
    --warning: #f1c40f;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== 광고 컨테이너 ==================== */
.ad-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
    padding: 10px;
}

.ad-placeholder {
    background: var(--bg-card);
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    transition: all 0.3s ease;
}

.ad-placeholder:hover {
    border-color: var(--primary);
    background: rgba(0, 242, 234, 0.05);
}

.ad-placeholder i {
    font-size: 24px;
    display: block;
    margin-bottom: 10px;
    opacity: 0.5;
}

.top-ad .ad-placeholder {
    max-width: 728px;
    min-height: 90px;
}

.ad-hint {
    font-size: 12px;
    color: var(--success);
    margin-top: 5px;
}

/* ==================== 메인 컨테이너 ==================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
}

/* ==================== 헤더 ==================== */
header {
    text-align: center;
    margin-bottom: 50px;
}

.logo {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 10px;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    animation: fadeInDown 0.8s ease;
}

.logo-icon {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.logo-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-dim);
    margin-bottom: 30px;
    animation: fadeIn 1s ease 0.3s both;
}

/* ==================== 검색창 ==================== */
.search-box {
    max-width: 700px;
    margin: 0 auto 20px;
    animation: fadeIn 1s ease 0.5s both;
}

.search-box form {
    display: flex;
    box-shadow: 0 10px 40px rgba(0, 242, 234, 0.2);
    border-radius: 50px;
    overflow: hidden;
}

.search-box input {
    flex: 1;
    padding: 18px 25px;
    border: 2px solid transparent;
    background: var(--bg-card);
    color: var(--text-main);
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
}

.search-box input:focus {
    border-color: var(--primary);
    background: var(--bg-hover);
}

.search-box button {
    padding: 18px 35px;
    border: none;
    background: linear-gradient(135deg, var(--primary), #00c2bd);
    color: #000;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.search-box button:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0, 242, 234, 0.4);
}

.quick-tips {
    text-align: center;
    margin-top: 10px;
    color: var(--text-muted);
}

/* ==================== 통계 바 ==================== */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 15px;
    border: 1px solid var(--border);
    animation: fadeIn 1s ease 0.7s both;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    font-size: 14px;
}

.stat-item i {
    color: var(--primary);
    font-size: 18px;
}

.stat-item span {
    font-weight: 700;
    color: var(--primary);
}

/* ==================== 섹션 ==================== */
section {
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease both;
}

section h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    border-left: 5px solid var(--secondary);
    padding-left: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

section h3 i {
    color: var(--secondary);
}

/* ==================== 그리드 ==================== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
}

/* ==================== 카드 ==================== */
.card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.card:hover::before {
    opacity: 0.1;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 242, 234, 0.3);
}

.card > * {
    position: relative;
    z-index: 1;
}

.card i {
    font-size: 36px;
    margin-bottom: 12px;
    display: block;
    transition: transform 0.3s ease;
}

.card:hover i {
    transform: scale(1.2);
}

.card span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dim);
    display: block;
}

/* ==================== 앱 카드 ==================== */
.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
    padding: 8px;
    font-size: 12px;
    font-weight: 700;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.app-card:hover .card-overlay {
    transform: translateY(0);
}

/* ==================== 게임 카드 ==================== */
.game-thumb {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 24px;
    color: white;
    margin: 0 auto 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.game-card:hover .game-thumb {
    transform: rotate(5deg) scale(1.1);
}

/* ==================== 기능 카드 ==================== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 15px;
    display: block;
}

.feature-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-dim);
    font-size: 14px;
}

/* ==================== 버튼 ==================== */
.view-more {
    text-align: center;
    margin-top: 30px;
}

.btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    background: var(--bg-card);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid var(--primary);
    font-weight: 700;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--primary);
    color: #000;
    transform: scale(1.05);
}

/* ==================== 푸터 ==================== */
footer {
    background: var(--bg-card);
    padding: 30px 20px;
    text-align: center;
    border-top: 2px solid var(--border);
    margin-top: 50px;
}

footer p {
    color: var(--text-muted);
    font-size: 14px;
    margin: 5px 0;
}

.disclaimer {
    color: var(--warning) !important;
    font-weight: 600;
}

/* ==================== 애니메이션 ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ==================== 반응형 ==================== */
@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
    }
    
    .stats-bar {
        flex-direction: column;
        gap: 15px;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* ==================== 알림 ==================== */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    z-index: 10000;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-success {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
}