/* ========== 1. 消息面板容器 ========== */
.message-content {
    width: 100%;
    margin-top: 1.5rem;
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
}

/* ========== 2. 加载 & 空状态 ========== */
.message-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    gap: 1rem;
    color: var(--text-tertiary);
}

.message-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: message-spin 0.8s linear infinite;
}

@keyframes message-spin {
    to { transform: rotate(360deg); }
}

.message-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ========== 2. 消息头部 ========== */
.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.message-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.message-more {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.message-more:hover {
    background: var(--card-hover);
}

.message-more svg circle {
    fill: var(--text-tertiary);
}

/* ========== 3. 邮件列表容器 ========== */
.message-textBox {
    padding: 0 0.5rem 1rem;
}

.message-textItem {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

/* ========== 4. 日期分组（左侧栏） ========== */
.message-dateBox {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 64px;
    padding: 0.75rem 0.5rem;
    border-radius: 10px;
    flex-shrink: 0;
}

.message-dateMonth {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.message-dateDay {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

/* ========== 5. 右栏（留言列表） ========== */
.message-rightBox {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.message-innerBox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #eef2ff;
    border-radius: 1.125rem;
    transition: filter 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}

.message-innerBox:hover {
    filter: brightness(0.96);
}

/* 浅色循环 */
.message-rightBox > .message-innerBox:nth-child(5n+1) { background: #eef2ff; }
.message-rightBox > .message-innerBox:nth-child(5n+2) { background: #fdf2f8; }
.message-rightBox > .message-innerBox:nth-child(5n+3) { background: #ecfdf5; }
.message-rightBox > .message-innerBox:nth-child(5n+4) { background: #fef3c7; }
.message-rightBox > .message-innerBox:nth-child(5n+5) { background: #f3e8ff; }

/* ========== 6. 头像 logo ========== */
.message-namelogo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    background: var(--accent);
    flex-shrink: 0;
    text-transform: uppercase;
}

/* 多颜色头像 */
.message-innerBox:nth-child(1) .message-namelogo { background: #3b82f6; }
.message-innerBox:nth-child(2) .message-namelogo { background: #8b5cf6; }
.message-innerBox:nth-child(3) .message-namelogo { background: #ec4899; }
.message-innerBox:nth-child(4) .message-namelogo { background: #10b981; }
.message-innerBox:nth-child(5) .message-namelogo { background: #f59e0b; }

/* ========== 7. 邮件信息 ========== */
.message-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.message-infoTop {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.message-emailName {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.message-emailTime {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    flex: none;
}

.message-emailText {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ========== 8. 响应式 ========== */
@media (max-width: 600px) {
    .message-content {
        border-radius: 0;
        margin-top: 1rem;
    }

    .message-header {
        padding: 0.75rem 1rem;
    }

    .message-dateBox {
        min-width: 52px;
        padding: 0.5rem;
    }

    .message-dateDay {
        font-size: 1rem;
    }

    .message-innerBox {
        padding: 0.625rem 0.75rem;
    }

    .message-namelogo {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }
}