/**
 * 红包功能样式
 * 参考QQ/微信红包设计，提供高级感和原生APP体验
 */

/* ==================== 红包输入弹窗 ==================== */
.red-envelope-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.red-envelope-modal.show {
    display: flex;
}

.red-envelope-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.red-envelope-content {
    position: relative;
    width: 90%;
    max-width: 400px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    border-radius: 16px;
    padding: 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
    overflow: hidden;
}

/* 红包顶部装饰 */
.red-envelope-header {
    position: relative;
    padding: 30px 20px 20px;
    text-align: center;
    color: #fff;
}

.red-envelope-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.red-envelope-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.red-envelope-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

/* 红包输入区域 */
.red-envelope-body {
    background: #fff;
    padding: 30px 20px;
    border-radius: 16px 16px 0 0;
    margin-top: -10px;
}

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

.red-envelope-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
    font-weight: 500;
}

.red-envelope-amount-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: #f8f8f8;
    border-radius: 12px;
    padding: 15px 20px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.red-envelope-amount-wrapper:focus-within {
    background: #fff;
    border-color: #ff6b6b;
    box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1);
}

.red-envelope-currency {
    font-size: 24px;
    color: #ff6b6b;
    font-weight: 600;
    margin-right: 8px;
}

.red-envelope-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 32px;
    font-weight: 600;
    color: #333;
    outline: none;
    padding: 0;
}

.red-envelope-input::placeholder {
    color: #ccc;
}

.red-envelope-balance {
    font-size: 13px;
    color: #999;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.red-envelope-balance-amount {
    color: #ff6b6b;
    font-weight: 500;
}

.red-envelope-message-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #f0f0f0;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    outline: none;
    transition: all 0.3s ease;
    resize: none;
    font-family: inherit;
}

.red-envelope-message-input:focus {
    border-color: #ff6b6b;
    background: #fff;
}

.red-envelope-message-input::placeholder {
    color: #ccc;
}

/* 红包底部按钮 */
.red-envelope-footer {
    padding: 0 20px 20px;
    background: #fff;
    display: flex;
    gap: 12px;
}

.red-envelope-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.red-envelope-btn-cancel {
    background: #f5f5f5;
    color: #666;
}

.red-envelope-btn-cancel:hover {
    background: #e8e8e8;
}

.red-envelope-btn-send {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.red-envelope-btn-send:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
}

.red-envelope-btn-send:active {
    transform: translateY(0);
}

/* ==================== 聊天中的红包卡片 ==================== */
.red-envelope-card {
    position: relative;
    width: 280px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.red-envelope-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.red-envelope-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
}

.red-envelope-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.red-envelope-card-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-right: 12px;
}

.red-envelope-card-info {
    flex: 1;
}

.red-envelope-card-sender {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}

.red-envelope-card-message {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
}

.red-envelope-card-amount {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin: 10px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.red-envelope-card-amount-unit {
    font-size: 16px;
    margin-right: 4px;
}

.red-envelope-card-status {
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 10px;
}

/* 红包状态样式 */
.red-envelope-card.pending {
    /* 待领取状态 - 默认红色渐变 */
}

.red-envelope-card.received {
    background: linear-gradient(135deg, #ffa726 0%, #fb8c00 100%);
    box-shadow: 0 4px 12px rgba(255, 167, 38, 0.3);
}

.red-envelope-card.received:hover {
    box-shadow: 0 6px 16px rgba(255, 167, 38, 0.4);
}

.red-envelope-card.returned {
    background: linear-gradient(135deg, #90a4ae 0%, #78909c 100%);
    box-shadow: 0 4px 12px rgba(144, 164, 174, 0.3);
}

.red-envelope-card.returned:hover {
    box-shadow: 0 6px 16px rgba(144, 164, 174, 0.4);
}

/* 红包详情弹窗 */
.red-envelope-detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10001;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.red-envelope-detail-modal.show {
    display: flex;
}

.red-envelope-detail-content {
    position: relative;
    width: 90%;
    max-width: 380px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

.red-envelope-detail-header {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    padding: 40px 20px 30px;
    text-align: center;
    color: #fff;
    position: relative;
}

.red-envelope-detail-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 20px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.red-envelope-detail-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.red-envelope-detail-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.red-envelope-detail-sender {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.red-envelope-detail-message {
    font-size: 14px;
    opacity: 0.9;
}

.red-envelope-detail-body {
    padding: 30px 20px;
}

.red-envelope-detail-amount {
    text-align: center;
    margin-bottom: 30px;
}

.red-envelope-detail-amount-value {
    font-size: 48px;
    font-weight: 700;
    color: #ff6b6b;
    margin-bottom: 8px;
}

.red-envelope-detail-amount-unit {
    font-size: 20px;
    margin-right: 4px;
}

.red-envelope-detail-amount-label {
    font-size: 14px;
    color: #999;
}

.red-envelope-detail-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.red-envelope-detail-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.red-envelope-detail-btn-return {
    background: #f5f5f5;
    color: #666;
}

.red-envelope-detail-btn-return:hover {
    background: #e8e8e8;
}

.red-envelope-detail-btn-receive {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.red-envelope-detail-btn-receive:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
}

.red-envelope-detail-info {
    font-size: 13px;
    color: #999;
    text-align: center;
    line-height: 1.6;
}

/* 已领取/已退还状态的详情 */
.red-envelope-detail-status {
    text-align: center;
    padding: 20px;
    background: #f8f8f8;
    border-radius: 12px;
    margin-bottom: 20px;
}

.red-envelope-detail-status-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.red-envelope-detail-status-text {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.red-envelope-detail-status-time {
    font-size: 13px;
    color: #999;
}

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

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

/* 响应式设计 */
@media (max-width: 768px) {
    .red-envelope-content {
        width: 92%;
        max-width: 360px;
    }
    
    .red-envelope-header {
        padding: 25px 15px 15px;
    }
    
    .red-envelope-icon {
        width: 50px;
        height: 50px;
        font-size: 28px;
    }
    
    .red-envelope-title {
        font-size: 18px;
    }
    
    .red-envelope-subtitle {
        font-size: 13px;
    }
    
    .red-envelope-body {
        padding: 25px 15px;
    }
    
    .red-envelope-amount-wrapper {
        padding: 12px 15px;
    }
    
    .red-envelope-currency {
        font-size: 20px;
    }
    
    .red-envelope-input {
        font-size: 26px;
    }
    
    .red-envelope-footer {
        padding: 0 15px 15px;
    }
    
    .red-envelope-btn {
        padding: 12px 16px;
        font-size: 15px;
    }
    
    .red-envelope-card {
        width: 100%;
        max-width: 280px;
        padding: 16px;
    }
    
    .red-envelope-card-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .red-envelope-card-sender {
        font-size: 14px;
    }
    
    .red-envelope-card-message {
        font-size: 12px;
    }
    
    .red-envelope-card-amount {
        font-size: 24px;
    }
    
    .red-envelope-detail-content {
        width: 92%;
        max-width: 340px;
    }
    
    .red-envelope-detail-header {
        padding: 35px 15px 25px;
    }
    
    .red-envelope-detail-icon {
        width: 70px;
        height: 70px;
        font-size: 36px;
    }
    
    .red-envelope-detail-sender {
        font-size: 16px;
    }
    
    .red-envelope-detail-message {
        font-size: 13px;
    }
    
    .red-envelope-detail-body {
        padding: 25px 15px;
    }
    
    .red-envelope-detail-amount-value {
        font-size: 42px;
    }
    
    .red-envelope-detail-btn {
        padding: 12px 16px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .red-envelope-content {
        width: 95%;
    }
    
    .red-envelope-card {
        width: 100%;
        max-width: 260px;
    }
    
    .red-envelope-input {
        font-size: 24px;
    }
    
    .red-envelope-detail-amount-value {
        font-size: 38px;
    }
    
    .red-envelope-card-amount {
        font-size: 22px;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .red-envelope-btn,
    .red-envelope-detail-btn,
    .red-envelope-card {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .red-envelope-btn:active,
    .red-envelope-detail-btn:active {
        transform: scale(0.98);
    }
    
    .red-envelope-card:active {
        transform: scale(0.98);
    }
}

/* iOS安全区域适配 */
@supports (padding: max(0px)) {
    .red-envelope-modal,
    .red-envelope-detail-modal {
        padding-bottom: max(20px, env(safe-area-inset-bottom));
    }
    
    .red-envelope-content,
    .red-envelope-detail-content {
        margin-bottom: env(safe-area-inset-bottom);
    }
}

/* 防止iOS缩放 */
@media screen and (max-width: 768px) {
    .red-envelope-input,
    .red-envelope-message-input {
        font-size: 16px !important;
    }
}