/* ========================================
   Messages App Styles
   メッセージ（日式SNS风格）
   ======================================== */

/* 消息容器 */
.messages-app {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: linear-gradient(180deg,
        rgba(20, 18, 28, 0.95) 0%,
        rgba(30, 25, 40, 0.98) 100%);
}

/* ========================================
   聊天列表视图
   ======================================== */
.chat-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
}

.chat-list::-webkit-scrollbar {
    width: 4px;
}

.chat-list::-webkit-scrollbar-track {
    background: transparent;
}

.chat-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

/* 聊天列表项 */
.chat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chat-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.08);
}

.chat-item:active {
    transform: scale(0.98);
}

/* 聊天头像 */
.chat-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 20px;
    overflow: hidden;
}

.chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 群聊头像 */
.chat-avatar.group {
    background: linear-gradient(135deg, rgba(180, 130, 200, 0.3), rgba(100, 150, 200, 0.3));
}

/* 聊天信息 */
.chat-info {
    flex: 1;
    min-width: 0;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.chat-name {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.chat-time {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
}

.chat-preview {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.45);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 未读标记 */
.chat-unread {
    min-width: 18px;
    height: 18px;
    background: rgba(220, 100, 100, 0.8);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: white;
    font-weight: 600;
    padding: 0 5px;
}

/* ========================================
   聊天详情视图（日式SNS风格）
   ======================================== */
.chat-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 聊天头部 */
.chat-view-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.chat-view-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.chat-view-name {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.chat-view-members {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
}

/* 消息列表 */
.message-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message-list::-webkit-scrollbar {
    width: 4px;
}

.message-list::-webkit-scrollbar-track {
    background: transparent;
}

.message-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

/* 日期分隔线 */
.message-date-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 0;
}

.message-date-divider span {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 12px;
    border-radius: 10px;
}

/* 消息项 */
.message-item {
    display: flex;
    gap: 10px;
    max-width: 85%;
}

/* 他人消息（左侧） */
.message-item.other {
    align-self: flex-start;
}

/* 自己消息（右侧） */
.message-item.self {
    align-self: flex-end;
    flex-direction: row-reverse;
}

/* 消息头像 */
.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    align-self: flex-end;
}

/* 消息内容区 */
.message-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.message-item.self .message-content-wrapper {
    align-items: flex-end;
}

/* 发送者名字（群聊时显示） */
.message-sender {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    padding-left: 12px;
}

.message-item.self .message-sender {
    padding-left: 0;
    padding-right: 12px;
}

/* 消息气泡 */
.message-bubble {
    padding: 10px 14px;
    border-radius: 18px;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
}

/* 他人消息气泡 - 日式SNS风格 */
.message-item.other .message-bubble {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
    border-bottom-left-radius: 4px;
}

/* 自己消息气泡 - 绿色（LINE风格） */
.message-item.self .message-bubble {
    background: rgba(100, 200, 100, 0.25);
    color: rgba(255, 255, 255, 0.95);
    border-bottom-right-radius: 4px;
}

/* 消息时间和已读状态 */
.message-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.3);
    padding: 0 4px;
    align-self: flex-end;
}

.message-item.self .message-meta {
    flex-direction: row-reverse;
}

/* 已读标记 */
.message-read {
    color: rgba(100, 200, 100, 0.7);
    font-size: 9px;
}

/* ========================================
   表情和贴图
   ======================================== */

/* 颜文字样式 */
.kaomoji {
    font-family: 'Noto Sans JP', sans-serif;
}

/* 表情包/贴图 */
.message-sticker {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.message-bubble.sticker {
    background: transparent;
    padding: 4px;
}

/* emoji放大显示（纯emoji消息） */
.message-bubble.emoji-only {
    background: transparent;
    padding: 4px;
    font-size: 32px;
}

/* ========================================
   翻译标注
   ======================================== */
.message-translation {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
    padding: 4px 14px 0;
    font-style: italic;
}

/* ========================================
   输入框区域（装饰用）
   ======================================== */
.chat-input-area {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(0, 0, 0, 0.2);
}

.chat-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 10px 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.chat-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(100, 200, 100, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-send-btn svg {
    width: 18px;
    height: 18px;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   返回按钮
   ======================================== */
.chat-back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.2s ease;
    cursor: pointer;
}

.chat-back-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.9);
}

.chat-back-btn svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   不同发送者的颜色标识
   ======================================== */

/* 高桥大叔 - 蓝色系 */
.message-avatar.takahashi {
    background: rgba(100, 150, 200, 0.3);
}

.message-sender.takahashi {
    color: rgba(130, 170, 220, 0.8);
}

/* 松江（手机主人）- 绿色系 */
.message-avatar.matsue {
    background: rgba(100, 200, 100, 0.3);
}

/* 女主（用户）- 粉色系 */
.message-avatar.user {
    background: rgba(200, 130, 180, 0.3);
}

.message-sender.user {
    color: rgba(220, 150, 200, 0.8);
}

/* ========================================
   置顶和草稿样式
   ======================================== */

/* 置顶聊天 */
.chat-item.pinned {
    background: rgba(200, 160, 100, 0.05);
    border-color: rgba(200, 160, 100, 0.15);
}

.chat-item.pinned:hover {
    background: rgba(200, 160, 100, 0.08);
}

.chat-pin {
    font-size: 10px;
    margin-left: 4px;
}

/* 草稿样式 */
.chat-draft {
    color: rgba(220, 100, 100, 0.8);
}

.chat-input.has-draft {
    color: rgba(255, 255, 255, 0.8);
}

/* 三上头像 - 灰色系 */
.message-avatar.mikami {
    background: rgba(100, 100, 100, 0.3);
}

/* 桐生头像 - 金色系 */
.message-avatar.kiryu {
    background: rgba(200, 170, 100, 0.3);
}

/* ========================================
   禁用的聊天项（装饰用）
   ======================================== */
.chat-item.disabled {
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

.chat-item.disabled:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.05);
    transform: none;
}

.chat-item.disabled:active {
    transform: none;
}

/* ========================================
   星空飘落特效（彩蛋）
   ======================================== */
.falling-stars-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    pointer-events: auto;
    cursor: pointer;
    z-index: 1000;
    overflow: hidden;
    transition: background 3s ease, opacity 0.5s ease;
}

.falling-stars-overlay.darkening {
    background: rgba(0, 0, 0, 0.85);
}

.falling-stars-overlay.fading-out {
    opacity: 0;
}

.falling-star {
    position: absolute;
    top: -10px;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 6px 2px rgba(255, 255, 255, 0.5);
    animation: starFall linear forwards;
}

@keyframes starFall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* 结语文字 */
.ending-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    animation: fadeInText 2s ease forwards;
    opacity: 0;
}

.ending-line {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.ending-line-sub {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
}

@keyframes fadeInText {
    0% {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* 点击关闭提示 */
.ending-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
    animation: fadeInHint 1s ease forwards, pulseHint 2s ease-in-out infinite 1s;
    opacity: 0;
}

@keyframes fadeInHint {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes pulseHint {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.7;
    }
}

/* 发送按钮可点击状态 */
.chat-send-btn[onclick] {
    cursor: pointer;
    transition: all 0.2s ease;
}

.chat-send-btn[onclick]:hover {
    background: rgba(100, 200, 100, 0.5);
    transform: scale(1.05);
}

.chat-send-btn[onclick]:active {
    transform: scale(0.95);
}

/* ========================================
   移动端适配
   ======================================== */
@media (max-width: 380px) {
    .chat-list {
        padding: 8px;
    }

    .chat-item {
        padding: 10px;
    }

    .chat-avatar {
        width: 42px;
        height: 42px;
    }

    .message-list {
        padding: 12px;
    }

    .message-bubble {
        font-size: 12px;
        padding: 8px 12px;
    }

    .ending-line {
        font-size: 16px;
    }

    .ending-line-sub {
        font-size: 11px;
    }
}