/* ========================================
   🎁 보너스 시스템 스타일 (프로덕션급)
   ======================================== */

/* 사용 횟수 표시 배지 (푸터 내) */
.usage-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 22px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
    margin: 0 0 28px 0;
}

.usage-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.usage-badge .icon {
    font-size: 18px;
}

.usage-badge .count {
    font-size: 16px;
    font-weight: 700;
}

/* 토스트 알림 (화면 정중앙) */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: white;
    color: #1a202c;
    padding: 20px 28px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 10002;  /* 모달(10001)보다 위에 표시 */
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 320px;
    max-width: 500px;
    opacity: 0;
    animation: toastPopIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

.toast.success {
    border-left: 4px solid #22c55e;
}

.toast.info {
    border-left: 4px solid #3b82f6;
}

.toast.warning {
    border-left: 4px solid #f59e0b;
}

.toast .toast-icon {
    font-size: 24px;
}

.toast .toast-content {
    flex: 1;
}

.toast .toast-title {
    font-weight: 700;
    margin-bottom: 4px;
}

.toast .toast-message {
    font-size: 14px;
    color: #6b7280;
}

.toast .toast-close {
    cursor: pointer;
    font-size: 20px;
    color: #9ca3af;
    transition: color 0.2s;
}

.toast .toast-close:hover {
    color: #4b5563;
}

/* 토스트 팝업 애니메이션 */
@keyframes toastPopIn {
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

@keyframes toastPopOut {
    to {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
}

/* 보너스 팝업 모달 */
.bonus-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    transition: opacity 0.3s ease-out, backdrop-filter 0.3s ease-out, background 0.3s ease-out;
    will-change: opacity, backdrop-filter;
}

.bonus-modal-overlay.show {
    opacity: 1;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.bonus-modal {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    padding: 0;
    max-width: 450px;
    width: 90%;
    color: white;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: translateY(50px) scale(0.95);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), 
                opacity 0.4s ease-out;
    will-change: transform, opacity;
}

.bonus-modal-overlay.show .bonus-modal {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* 친구 추천 모달 - 흰색 배경 */
.referral-modal {
    background: white;
    color: #1a202c;
}

/* SNS 공유 모달 - 흰색 배경 */
.share-modal {
    background: white;
    color: #1a202c;
}

/* PC 버전: 더 넓게 (769px 이상) */
@media (min-width: 769px) {
    .bonus-modal {
        max-width: 500px;
    }

    .usage-detail-modal {
        max-width: 550px;
    }
}

/* 모달 배경 애니메이션 */
.bonus-modal::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    border-radius: 24px;
}

.bonus-modal-content {
    position: relative;
    z-index: 1;
    padding: 40px;
    overflow-x: hidden;
    overflow-y: auto;
    max-height: 85vh;
}

/* 스크롤바 스타일링 (radius 안쪽) */
.bonus-modal-content::-webkit-scrollbar {
    width: 8px;
}

.bonus-modal-content::-webkit-scrollbar-track {
    background: transparent;
    margin: 12px 0;
}

.bonus-modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.bonus-modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.bonus-modal-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.bonus-amount {
    font-size: 64px;
    font-weight: 900;
    margin: 24px 0;
    animation: bonusPulse 1s ease-in-out;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.bonus-details {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 20px;
    margin: 24px 0;
    backdrop-filter: blur(10px);
}

.bonus-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.bonus-detail-row:last-child {
    border-bottom: none;
}

.bonus-detail-label {
    font-size: 14px;
    opacity: 0.9;
}

.bonus-detail-value {
    font-size: 16px;
    font-weight: 700;
}

.bonus-progress {
    margin: 20px 0;
}

.bonus-progress-label {
    font-size: 14px;
    margin-bottom: 8px;
    color: #667eea;
    font-weight: 600;
}

.bonus-progress-bar {
    background: rgba(102, 126, 234, 0.15);
    border-radius: 50px;
    height: 8px;
    overflow: hidden;
}

.bonus-progress-fill {
    background: linear-gradient(90deg, 
        #667eea 0%, 
        #764ba2 50%, 
        #667eea 100%);
    height: 100%;
    border-radius: 50px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 15px rgba(102, 126, 234, 0.6);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.bonus-stars {
    display: flex;
    justify-content: center;
    gap: 12px;
    font-size: 36px;
    margin: 16px 0;
}

.bonus-stars > * {
    animation: starFloat 3s ease-in-out infinite;
    animation-delay: calc(var(--star-index) * 0.2s);
    filter: drop-shadow(0 0 8px rgba(102, 126, 234, 0.6));
}

@keyframes starFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

.bonus-modal-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.bonus-btn {
    flex: 1;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.bonus-btn-primary {
    background: white;
    color: #667eea;
}

.bonus-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.bonus-btn-secondary {
    background: #f3f4f6;
    color: #6b7280;
    border: 1px solid #e5e7eb;
}

.bonus-btn-secondary:hover {
    background: #e5e7eb;
    color: #374151;
}

.bonus-btn-close {
    flex: 1;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    background: white;
    color: #667eea;
}

.bonus-btn-close:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

/* 사용 횟수 상세 모달 */
.usage-detail-modal {
    background: white;
    color: #1a202c;
    max-width: 500px;
}

/* 흰색 모달 스크롤바 (bonus-modal-content에 적용) */
.usage-detail-modal .bonus-modal-content::-webkit-scrollbar {
    width: 8px;
}

.usage-detail-modal .bonus-modal-content::-webkit-scrollbar-track {
    background: transparent;
    margin: 12px 0;
}

.usage-detail-modal .bonus-modal-content::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: 4px;
}

.usage-detail-modal .bonus-modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}

.usage-detail-modal .modal-title {
    color: #1a202c;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.usage-section {
    background: #f9fafb;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.usage-section-title {
    font-size: 14px;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 12px;
}

.usage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #e5e7eb;
}

.usage-item:last-child {
    border-bottom: none;
}

.usage-item-label {
    font-size: 14px;
    color: #374151;
}

.usage-item-value {
    font-size: 16px;
    font-weight: 700;
    color: #667eea;
}

/* 총 남은 횟수 박스 */
.total-remaining-box {
    background: #f9fafb;
    border-radius: 12px;
    padding: 16px;
    margin: 20px 0;
    text-align: center;
}

/* 보너스 액션 래퍼 */
.bonus-actions {
    display: block;
    width: 100%;
}

.bonus-action-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
    line-height: 1.4;
    width: 100%;
}

.bonus-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* 펄스 애니메이션 (0회일 때) */
.bonus-action-btn.pulse {
    animation: btnPulse 2s ease-in-out infinite;
}

@keyframes btnPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    }
    50% {
        transform: scale(1.03);
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
    }
}

/* 0회 강조 애니메이션 */
.zero-count {
    animation: zeroCountPulse 1.5s ease-in-out infinite;
}

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

/* 애니메이션 */
/* fadeIn, modalSlideUp 애니메이션 제거 - CSS transition으로 대체 */

@keyframes bonusPulse {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.2);
    }
    50% {
        transform: scale(1.1);
    }
    75% {
        transform: scale(1.15);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 공유 버튼 그리드 */
.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 20px 0;
}

.share-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.share-btn:active {
    transform: translateY(-1px);
}

.share-btn-icon {
    font-size: 20px;
}

/* 뒤로가기 버튼 호버 효과 */
.bonus-modal-content button[onclick*="showUsageDetail"]:hover {
    transform: translateX(-3px) !important;
    color: #5a67d8 !important;
}

/* 모바일 최적화 */
@media (max-width: 768px) {
    .usage-badge {
        padding: 10px 18px;
        font-size: 13px;
        margin: 0 0 20px 0;
    }

    .usage-badge .icon {
        font-size: 16px;
    }

    .usage-badge .count {
        font-size: 15px;
    }

    .bonus-modal {
        max-width: 90%;
    }
    
    .bonus-modal-content {
        padding: 32px 24px;
    }

    .bonus-modal-title {
        font-size: 24px;
    }

    .bonus-amount {
        font-size: 48px;
    }

    .bonus-modal-buttons {
        flex-direction: column;
    }

    /* 모바일 토스트: 화면 정중앙, 더 크게 */
    .toast {
        min-width: 280px;
        max-width: 85%;
        padding: 24px 20px;
        font-size: 15px;
    }

    .toast .toast-icon {
        font-size: 28px;
    }

    .toast .toast-title {
        font-size: 16px;
    }

    .toast .toast-message {
        font-size: 14px;
    }

    .share-buttons {
        grid-template-columns: 1fr;
    }
}