/* 기본 스타일 초기화 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #8e44ad;
    --primary-light: #9b59b6;
    --primary-dark: #6a1b9a;
    --accent-color: #ff9800;
    --accent-dark: #f57c00;
    --king-color: #ffd166;
    --light-color: #f9f3ff;
    --dark-color: #333333;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --text-color: #424242;
    --text-secondary: #757575;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --border-radius: 15px;
    --border-radius-sm: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--light-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 공통 스타일 */
a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

/* 헤더 */
header {
    background-color: var(--primary-color);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    font-family: 'Jua', sans-serif;
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.logo i {
    margin-right: 8px;
    font-size: 1.8rem;
    color: var(--king-color);
}

/* 사용자 정보 표시 */
.user-info {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 20px;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.user-info:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.user-info i {
    color: white;
    font-size: 0.9rem;
}

.user-id-display {
    font-size: 0.9rem;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.clickable {
    cursor: pointer;
}

/* 히어로 섹션 */
.hero {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    padding: 100px 20px 60px;
}

.hero h2 {
    font-family: 'Jua', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.cta-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 10px;
}

.cta-button:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
}

.cta-button i {
    margin-left: 8px;
}

/* 펄스 애니메이션 */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* 메인 콘텐츠 */
main {
    padding: 40px 0;
}

/* 섹션 헤더 */
.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid #e1d0f0;
    padding-bottom: 10px;
    position: relative;
}

.section-header i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-right: 10px;
}

.section-header h2 {
    font-family: 'Jua', sans-serif;
    font-size: 1.8rem;
    color: var(--primary-dark);
    flex: 1;
}

.guide-btn {
    background-color: var(--primary-light);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 8px 15px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
}

.guide-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* 게임 그리드 (방 목록) */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

/* 방 카드 스타일 */
.room-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.room-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.room-card .card-image {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f9f9f9;
    position: relative;
    overflow: hidden;
}

.room-card .card-content {
    padding: 15px;
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.room-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-family: 'Jua', sans-serif;
}

.room-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    flex: 1;
}

.room-status {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    align-self: center;
}

.status-waiting {
    background-color: var(--success-color);
}

.status-playing {
    background-color: var(--danger-color);
}

.room-icon {
    font-size: 3rem;
    color: var(--king-color);
    margin-bottom: 5px;
}

/* 빈 방 메시지 */
.empty-rooms-message {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    gap: 16px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

.empty-rooms-message i {
    font-size: 2.5rem;
    color: #ddd;
}

.empty-rooms-message p {
    font-size: 1rem;
    max-width: 300px;
    line-height: 1.5;
}

/* 검색 영역 */
.search-section {
    margin-bottom: 30px;
}

.search-container {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.search-container input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #eee;
    border-right: none;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.search-container input:focus {
    outline: none;
    border-color: var(--primary-light);
}

.search-container button {
    width: 48px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    cursor: pointer;
    transition: var(--transition);
}

.search-container button:hover {
    background-color: var(--primary-dark);
}

/* 새로고침 버튼 */
.refresh-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.refresh-btn:hover {
    background-color: rgba(142, 68, 173, 0.1);
    transform: rotate(180deg);
}

/* 파티 팁 섹션 */
.party-tips {
    margin-top: 40px;
}

.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.tip-card {
    background-color: white;
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.tip-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.tip-card h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 10px;
    font-family: 'Jua', sans-serif;
}

.tip-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 모달 공통 스타일 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: white;
    width: 90%;
    max-width: 500px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    animation: modalOpen 0.3s ease-out;
}

@keyframes modalOpen {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 16px 20px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.close-btn {
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: 24px;
}

/* 환영 메시지 스타일 */
.welcome-message {
    background: linear-gradient(135deg, rgba(142, 68, 173, 0.1), rgba(255, 152, 0, 0.1));
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.welcome-message p {
    margin: 0;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.welcome-message i {
    color: var(--primary-color);
    font-size: 1.1rem;
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-10deg); }
}

.input-group {
    margin-bottom: 20px;
}

.input-group:last-of-type {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(138, 92, 247, 0.1);
}

/* 비밀번호 입력 컨테이너 */
.password-input-container {
    position: relative;
    display: flex;
}

.password-input-container input {
    padding-right: 40px;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary-color);
}

/* 숫자 입력 컨테이너 */
.number-input-container {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.number-input-container input {
    border: none;
    text-align: center;
    width: 70%;
    padding: 12px 0;
}

.number-input-container input:focus {
    box-shadow: none;
}

.number-input-container input::-webkit-inner-spin-button,
.number-input-container input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.number-control {
    background-color: #f5f5f5;
    border: none;
    color: var(--text-color);
    font-size: 1.3rem;
    font-weight: bold;
    height: 100%;
    width: 15%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 0;
}

.number-control:hover {
    background-color: var(--primary-light);
    color: white;
}

.input-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* 액션 버튼 */
.action-btn {
    padding: 12px 18px;
    border: none;
    border-radius: var(--border-radius-sm);
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.action-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.create-room-submit {
    width: 100%;
    margin-top: 10px;
    background-color: var(--accent-color);
}

.create-room-submit:hover {
    background-color: var(--accent-dark);
}

/* 로딩 인디케이터 */
.loading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.loading-indicator.show {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(142, 68, 173, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-indicator p {
    color: var(--text-color);
    font-weight: 500;
}

/* 컨페티 효과 */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #f0f;
    opacity: 0.7;
    pointer-events: none;
    will-change: transform;
}

/* 스크롤 상단 버튼 */
.scroll-to-top {
    position: fixed;
    bottom: -60px;
    right: 20px;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 99;
}

.scroll-to-top.show {
    bottom: 20px;
}

.scroll-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .section-header i {
        font-size: 1.5rem;
    }
    
    .tip-card i {
        font-size: 2rem;
    }
    
    .tip-card h3 {
        font-size: 1.1rem;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .tips-container {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 90px 20px 50px;
    }
    
    .hero h2 {
        font-size: 1.6rem;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .user-id-display {
        max-width: 100px;
    }
}

/* 다크 모드 지원 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #121212;
        color: #f5f5f5;
    }
    
    .room-card, .tip-card, .empty-rooms-message, .modal-content {
        background-color: #1e1e1e;
        color: #f5f5f5;
    }
    
    .room-card h3, .tip-card h3 {
        color: #f0e6f7;
    }
    
    .room-card p, .tip-card p, .input-hint {
        color: #aaa;
    }
    
    .card-image {
        background-color: #2d2d2d;
    }
    
    .input-group label {
        color: #f5f5f5;
    }
    
    .input-group input, .search-container input {
        background-color: #333;
        color: #f5f5f5;
        border-color: #555;
    }
    
    .input-group input:focus, .search-container input:focus {
        border-color: var(--primary-light);
    }
    
    .number-control {
        background-color: #444;
        color: #f5f5f5;
    }
    
    .number-control:hover {
        background-color: var(--primary-color);
    }
    
    .section-header {
        border-bottom-color: #444;
    }
    
    .loading-indicator {
        background-color: rgba(18, 18, 18, 0.8);
    }
    
    .loading-indicator p {
        color: #f5f5f5;
    }
}