/**
 * ROACH UI - 站内邮件组件
 * 类名: .ro-mail
 * 风格: 清新动漫描边
 */

/* ==================== 邮件弹窗遮罩 ==================== */
.ro-mail-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(4px);
}

.ro-mail-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* ==================== 邮件弹窗容器 ==================== */
.ro-mail-modal {
    background: var(--bg);
    border: var(--bw) solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 10px 10px 0 var(--shadow);
    width: 520px;
    max-width: 92vw;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ro-mail-overlay.open .ro-mail-modal {
    transform: scale(1) translateY(0);
}

/* ==================== 邮件头部 ==================== */
.ro-mail-header {
    background: var(--pink-bg);
    padding: 20px 24px;
    border-bottom: 2px dashed var(--text2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.ro-mail-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text);
}

.ro-mail-title i {
    color: var(--pink);
    font-size: 1.25rem;
}

.ro-mail-count {
    background: var(--pink);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    border: var(--bw) solid var(--border);
    min-width: 24px;
    text-align: center;
    margin-left: 4px;
}

.ro-mail-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 一键已读按钮 */
.ro-mail-action-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: #fff;
    border: var(--bw) solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.6875rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0 var(--shadow);
}

.ro-mail-action-btn:hover {
    background: var(--green);
    color: #fff;
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--shadow);
}

.ro-mail-action-btn:active {
    transform: translate(1px, 1px);
    box-shadow: 0 0 0 var(--shadow);
}

.ro-mail-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: 2px 2px 0 var(--shadow);
}

/* 关闭按钮 */
.ro-mail-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: var(--bw) solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0 var(--shadow);
}

.ro-mail-close:hover {
    background: var(--pink);
    color: #fff;
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--shadow);
}

.ro-mail-close:active {
    transform: translate(1px, 1px);
    box-shadow: 0 0 0 var(--shadow);
}

/* ==================== 邮件内容区域 ==================== */
.ro-mail-content {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
    background: var(--bg2);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.ro-mail-content::-webkit-scrollbar {
    display: none;
}

/* 加载状态 */
.ro-mail-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px;
    color: var(--text2);
}

.ro-mail-loading i {
    font-size: 2rem;
    color: var(--pink);
    animation: roMailSpin 1s linear infinite;
}

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

/* 空状态 */
.ro-mail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px;
    color: var(--text2);
    animation: roMailSlideIn 0.3s ease forwards;
}

.ro-mail-empty i {
    font-size: 3rem;
    color: var(--text3);
    opacity: 0.5;
}

/* ==================== 邮件项 ==================== */
.ro-mail-item {
    background: #fff;
    border-bottom: var(--bw) solid var(--border);
    padding: 16px 20px;
    margin: 0 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    position: relative;
    border-radius: var(--radius-sm);
}

.ro-mail-item:hover {
    background: var(--bg2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    z-index: 1;
}

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

.ro-mail-item.unread {
    background: linear-gradient(90deg, var(--pink-bg) 0%, #fff 20px);
}

.ro-mail-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
    gap: 12px;
}

.ro-mail-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.ro-mail-item-title {
    font-weight: 800;
    color: var(--text);
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 未读圆点 */
.ro-mail-unread-dot {
    width: 8px;
    height: 8px;
    background: var(--pink);
    border-radius: 50%;
    border: 2px solid var(--border);
    flex-shrink: 0;
}

/* 奖励徽章 */
.ro-mail-reward-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    padding: 2px 8px;
    background: var(--orange);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 800;
    border-radius: 6px;
    border: 1.5px solid var(--border);
    flex-shrink: 0;
    animation: roMailPulse 2s ease-in-out infinite;
}

.ro-mail-reward-badge.claimed {
    background: var(--text3);
    animation: none;
}

.ro-mail-item-time {
    font-size: 0.75rem;
    color: var(--text3);
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.ro-mail-item-content {
    color: var(--text2);
    font-size: 0.8125rem;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================== 邮件详情页 ==================== */
.ro-mail-detail {
    padding: 24px;
    background: #fff;
    min-height: 100%;
}

.ro-mail-detail-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    padding: 8px 14px;
    border: var(--bw) solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 0.8125rem;
    font-weight: 700;
    box-shadow: 2px 2px 0 var(--shadow);
}

.ro-mail-detail-back:hover {
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--shadow);
    background: var(--pink);
    color: #fff;
}

.ro-mail-detail-back:active {
    transform: translate(1px, 1px);
    box-shadow: 0 0 0 var(--shadow);
}

.ro-mail-detail-title {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.ro-mail-detail-time {
    font-size: 0.75rem;
    color: var(--text3);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--border2);
}

.ro-mail-detail-content {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--text);
    white-space: pre-wrap;
}

/* 奖励区域 */
.ro-mail-detail-reward {
    margin: 16px 0;
    padding: 16px;
    background: var(--orange-bg);
    border: 2px dashed var(--orange);
    border-radius: var(--radius-sm);
}

.ro-mail-reward-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: #fff;
    border: var(--bw) solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 3px 3px 0 var(--shadow);
    font-weight: 700;
    color: var(--text);
}

.ro-mail-reward-box i {
    color: var(--orange);
    font-size: 1.25rem;
}

.ro-mail-reward-box.claimed {
    opacity: 0.7;
    background: var(--bg2);
}

.ro-mail-reward-status {
    margin-left: auto;
    padding: 4px 10px;
    background: var(--orange);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 800;
    border-radius: 6px;
    border: 1.5px solid var(--border);
}

.ro-mail-reward-status.pending {
    background: var(--green);
    animation: roMailPulse 1.5s ease-in-out infinite;
}

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

/* ==================== 邮件图标按钮（触发器） ==================== */
.ro-mail-trigger {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg2);
    border: var(--bw) solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 2px 2px 0 var(--shadow);
}

.ro-mail-trigger:hover {
    background: var(--pink-bg);
    color: var(--pink);
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--shadow);
}

.ro-mail-trigger:active {
    transform: translate(1px, 1px);
    box-shadow: 0 0 0 var(--shadow);
}

/* 未读徽章 */
.ro-mail-trigger-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--red);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 10px;
    border: 2px solid var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* ==================== 动画 ==================== */
@keyframes roMailDropIn {
    0% {
        opacity: 0;
        transform: translateY(-40px) scaleY(0.85);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scaleY(1);
    }
}

@keyframes roMailDropOut {
    0% {
        opacity: 1;
        transform: translateY(0) scaleY(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-40px) scaleY(0.85);
    }
}

/* FLIP 动画 - 内容滑入 */
@keyframes roMailSlideIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* FLIP 动画 - 内容滑出 */
@keyframes roMailSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-20px);
    }
}

/* FLIP 动画 - 从右侧滑入 */
@keyframes roMailSlideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* FLIP 动画 - 从顶部滑入 */
@keyframes roMailSlideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* 弹窗动画类 */
.ro-mail-modal.animating-in {
    animation: roMailDropIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.ro-mail-modal.animating-out {
    animation: roMailDropOut 0.25s ease forwards;
}

/* ==================== 响应式 ==================== */
@media (max-width: 480px) {
    .ro-mail-modal {
        width: 95%;
        max-height: 85vh;
        border-radius: var(--radius);
    }

    .ro-mail-header {
        padding: 12px 16px;
    }

    .ro-mail-title {
        font-size: 1rem;
    }

    .ro-mail-action-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }

    .ro-mail-action-btn span {
        display: none;
    }

    .ro-mail-content {
        padding: 12px;
    }

    .ro-mail-item {
        padding: 12px;
    }
}

/* ==================== 滚动条美化 ==================== */
.ro-mail-content::-webkit-scrollbar {
    width: 8px;
}

.ro-mail-content::-webkit-scrollbar-track {
    background: var(--bg3);
    border-radius: 4px;
}

.ro-mail-content::-webkit-scrollbar-thumb {
    background: var(--border2);
    border-radius: 4px;
    border: 2px solid var(--bg3);
}

.ro-mail-content::-webkit-scrollbar-thumb:hover {
    background: var(--border);
}