/*
 * SPDX-License-Identifier: AGPL-3.0-only
 * Copyright (C) 2025 The 25-ji-code-de Team
 */

:root {
  --sticker-size: 120px;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans JP", sans-serif;
  background: #50476a;
  color: #fff;
}
.chat-root {
  display: flex;
  height: 100vh;
  background: #50476a;
  overflow-x: hidden; /* 防止水平滚动 */
}
.sidebar {
  width: 280px;
  background: #3f355b;
  display: flex;
  flex-direction: column;
}
.server-header {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid #2b2633;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s;
}
.server-header:hover {
  background: rgba(61, 55, 80, 0.5);
}
.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px 8px 0;
}
.channel {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 6px;
  background: #50476a;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 15px;
}
.channel-icon {
  width: 24px;
  height: 24px;
  display: flex;
  padding: 0 10px;
}
.section-label {
  font-size: 12px;
  color: #bdbdbd;
  margin: 16px 0 4px 8px;
}
.voice-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}
.voice-user:hover {
  background: #50476a;
}
.voice-user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
}
.bg-pink-500 {
  background: #ec4899;
}
.bg-purple-400 {
  background: #a78bfa;
}
.bg-teal-400 {
  background: #2dd4bf;
}
.bg-pink-400 {
  background: #f472b6;
}
.bg-purple-600 {
  background: #7c3aed;
}
.bg-green-600 {
  background: #22c55e;
}
.bg-red-600 {
  background: #ef4444;
}
.bg-default {
  background: #9a559b;
}
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #50476a;
  overflow-x: hidden; /* 防止水平滚动 */
}
.chat-header {
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid #2b2633;
  background: rgba(78, 72, 104, 0.8);
}
.chat-header .channel-icon {
  width: 24px;
  height: 24px;
  font-size: 13px;
}
.messages {
  scrollbar-width: thin;
  border-radius: 10px;
  scrollbar-color: rgb(53, 36, 78) rgb(70, 52, 92);
}
.message {
  display: flex;
  gap: 12px;
  padding: 8px 16px;
  transition: background 0.1s;
  position: relative;
}
.message:hover {
  background: rgba(4, 4, 5, 0.07);
}

/* Reply button */
.message-reply-btn {
  position: absolute;
  top: -12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: #3f355b; /* 调整为侧边栏深紫色 */
  border: 1px solid #2b2633; /* 调整为深色边框 */
  border-radius: 4px;
  cursor: pointer;
  display: flex !important;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: opacity 0.15s ease-out, transform 0.15s ease-out, background-color 0.1s;
  color: #b9bbbe;
  opacity: 0;
  transform: translateY(4px) scale(0.95);
  pointer-events: none;
  z-index: 10;
}

.message:hover .message-reply-btn {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.message-reply-btn:hover {
  background: #50476a; /* 悬停时变亮，呼应主体背景色 */
  color: #fff;
  border-color: #6d638a; /* 悬停时边框也稍微提亮 */
  box-shadow: 0 4px 8px rgba(0,0,0,0.4);
  transform: translateY(0) scale(1.05);
}

.message-reply-btn:active {
  transform: translateY(0) scale(0.95);
  background: #3f355b;
}

.message-reply-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Reply jump highlight animation */
.message-highlighted {
  background: rgb(var(--sekai-accent) / 0.2) !important;
  animation: message-highlight-pulse 2s ease-out;
}

@keyframes message-highlight-pulse {
  0% {
    background: rgb(var(--sekai-accent) / 0.4);
  }
  100% {
    background: rgb(var(--sekai-accent) / 0.2);
  }
}

.message .avatar {
  width: 40px;
  height: 40px;
  font-size: 18px;
}
.message-content {
  flex: 1;
  min-width: 0;
}
.message-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}
.message-user {
  font-weight: 600;
  font-size: 15px;
}
.message-time {
  font-size: 12px;
  color: #bdbdbd;
}
/* Nako 流式消息动画 */
.message.streaming .message-text::after {
  content: '▋';
  animation: blink 1s infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.message-file {
  margin-top: 6px;
  background: #2b2633;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 320px;
}
.file-icon {
  width: 48px;
  height: 48px;
  background: #3d3750;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #bdbdbd;
}
.file-info {
  flex: 1;
  min-width: 0;
}
.file-name {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-size {
  font-size: 12px;
  color: #bdbdbd;
}
.file-download {
  background: none;
  border: none;
  color: #bdbdbd;
  cursor: pointer;
  font-size: 20px;
  padding: 4px;
  border-radius: 50%;
  transition: background 0.2s;
}
.file-download:hover {
  background: #3d3750;
}
.input-area {
  padding: 16px;
  background: none;
  position: relative;
  overflow: visible; /* 允许绝对定位的元素显示在外部 */
}
.input-box {
  position: relative;
  background: #3f355b;
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  overflow: visible; /* 允许菜单和进度条显示在外部 */
  align-items: center;
  gap: 12px;
}
.input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 15px;
  font-family: inherit;

  /* textarea 专属属性 */
  resize: none;
  overflow-y: hidden;
  line-height: 1.5;
  min-height: 22px;
  max-height: 140px;
  padding: 0;
  vertical-align: top;

  /* 滚动条样式 */
  scrollbar-width: thin;
  scrollbar-color: rgba(167, 139, 250, 0.3) transparent;
}

.input::-webkit-scrollbar {
  width: 6px;
}

.input::-webkit-scrollbar-thumb {
  background: rgba(167, 139, 250, 0.3);
  border-radius: 3px;
}

.input::-webkit-scrollbar-thumb:hover {
  background: rgba(167, 139, 250, 0.5);
}
.input::placeholder {
  color: #888;
}
.input-btn {
  background: none;
  border: none;
  color: #bdbdbd;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.input-btn:hover {
  background: #3d3750;
  color: #fff;
}

.sticker {
  vertical-align: middle;
  display: inline-block;
  max-width: 100%; /* 防止超出容器 */
  transition: transform 0.2s;
}
.sticker-fixed {
  height: var(--sticker-size);
  width: auto;
}

.sticker-fixed:hover {
  transform: scale(1.02);
}

.sticker-narrow {
  width: var(--sticker-size);
  height: auto;
}

.sticker-inline {
  height: 60px;
  width: auto;
}

/* 加载占位：在图片加载前显示正方形占位，尺寸与将要显示的贴纸大小匹配 */
.sticker-loading {
  background: #3d3750; /* 占位背景色 */
  display: inline-block;
  vertical-align: middle;
  width: var(--sticker-size);
  height: var(--sticker-size);
}

/* 对于 inline 情况，使用更小的正方形占位 */
.sticker-inline.sticker-loading {
  width: 60px;
  height: 60px;
}

/* 加载失败时显示的替代文本样式 */
.sticker-broken {
  color: #bdbdbd;
  font-style: italic;
  display: inline-block;
  padding: 0 6px;
}

/* Mention List */
.mention-list {
  position: absolute;
  bottom: 100%;
  left: 0;
  width: 240px;
  background: #2f3136;
  border: 1px solid #202225;
  border-radius: 4px;
  max-height: 240px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
  margin-bottom: 8px;
}

.mention-list.hidden {
  display: none;
}

.mention-item {
  padding: 8px 12px;
  cursor: pointer;
  color: #dcddde;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.mention-item:hover,
.mention-item.active {
  background-color: #40444b;
  color: #fff;
}

.mention-item .avatar {
  width: 24px;
  height: 24px;
  font-size: 12px;
  line-height: 24px;
}

.mention-item .status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-left: auto;
}

.mention-item.online .status-indicator {
  background-color: #43b581;
}

.mention-item.offline {
  opacity: 0.6;
}

.mention-item.offline .status-indicator {
  background-color: #747f8d;
}

/* Sticker Autocomplete Item */
.mention-item.sticker-autocomplete-item {
  height: auto;
  min-height: 48px;
}
.sticker-preview {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-right: 12px;
  background: rgba(0,0,0,0.1);
  border-radius: 4px;
}
.sticker-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sticker-label {
  font-weight: 600;
  color: #fff;
  font-size: 14px;
}
.sticker-desc {
  font-size: 12px;
  color: #b9bbbe;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message.mentioned {
  background: rgba(250, 166, 26, 0.1);
  border-left: 2px solid #faa61a;
  padding-left: 14px; /* Compensate for border */
}

.message.mentioned:hover {
  background: rgba(250, 166, 26, 0.15);
}

/* Name Chooser Overlay - Redesigned */
.name-chooser {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(20, 20, 25, 0.92);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(8px);
  animation: fadeIn 0.4s ease-out;
}

.name-chooser.hidden {
  display: none;
}

.name-chooser-content {
  position: relative; /* For absolute positioning of close button */
  background: #2b2633;
  border-radius: 24px;
  padding: 48px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transform: translateY(0);
  animation: slideUp 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.logo-area {
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
}

.logo-area svg {
  filter: drop-shadow(0 0 10px rgba(138, 123, 206, 0.4));
  animation: float 6s ease-in-out infinite;
}

.name-chooser-content h2 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.subtitle {
  margin: 0 0 32px;
  color: #b9bbbe;
  font-size: 14px;
}

.input-wrapper {
  position: relative;
  margin-bottom: 24px;
  text-align: left;
}

.name-input {
  width: 100%;
  padding: 16px 20px;
  background-color: #1e1b24;
  border: 2px solid transparent;
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  outline: none;
  box-sizing: border-box;
  transition: all 0.2s ease;
  font-family: inherit;
}

.name-input::placeholder {
  color: #6a6f7a;
}

.name-input:focus {
  background-color: #1e1b24;
  border-color: #7289da;
  box-shadow: 0 0 0 3px rgba(114, 137, 218, 0.15);
}

.name-submit {
  width: 100%;
  padding: 16px;
  background: #5865f2;
  border: none;
  border-radius: 12px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  outline: none;
}

.name-submit:hover {
  background: #4752c4;
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(88, 101, 242, 0.3);
}

.name-submit:active {
  transform: translateY(0);
  background: #3c45a5;
}

.sekai-pass-login {
  position: relative;
  width: 100%;
  padding: 14px;
  background: rgba(35, 39, 42, 0.6);
  border: 1px solid rgba(88, 101, 242, 0.3);
  border-radius: 12px;
  color: #e0e0e0;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  outline: none;
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.sekai-pass-login:hover {
  background: rgba(88, 101, 242, 0.15);
  border-color: #5865f2;
  color: #fff;
  box-shadow: 0 4px 25px rgba(88, 101, 242, 0.35);
}

.sekai-pass-login svg {
  transition: transform 0.3s ease, color 0.3s ease, filter 0.3s ease;
  color: #5865f2;
  will-change: transform;
}

.sekai-pass-login:hover svg {
  transform: scale(1.1);
  color: #fff;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.6));
}

.sekai-pass-login:active {
  transform: scale(0.98);
  background: rgba(88, 101, 242, 0.1);
}

/* Optional: Add a subtle shine effect on hover */
.sekai-pass-login::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: skewX(-20deg);
  transition: 0.5s;
}

.sekai-pass-login:hover::after {
  left: 150%;
  transition: 0.7s ease-in-out;
}

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

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0px); }
}

.input-error {
  color: rgb(var(--sekai-danger));
  font-size: 13px;
  margin-top: 8px;
  min-height: 20px;
  opacity: 0;
  transition: opacity 0.2s;
  text-align: left;
  font-weight: 500;
}

.input-error.visible {
  opacity: 1;
}

.name-input.error {
  border-color: rgb(var(--sekai-danger));
  box-shadow: 0 0 0 3px rgb(var(--sekai-danger) / 0.15);
}
.name-input.error:focus {
  border-color: rgb(var(--sekai-danger));
}

.chooser-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: #b9bbbe;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  outline: none;
}

.chooser-close:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.chooser-close.hidden {
  display: none;
}

/* ==================== Mobile Responsive Styles ==================== */

/* 移动端适配 - 针对平板和小屏设备 */
@media screen and (max-width: 768px) {
  /* 侧边栏响应式 */
  .sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    height: 100vh;
    height: 100dvh; /* 修复移动端浏览器工具栏遮挡问题 */
    z-index: 999;
    transition: left 0.3s ease;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.3);
  }
  
  .sidebar.show {
    left: 0;
  }
  
  /* 主聊天区域需要正确处理视口高度 */
  .chat-root {
    height: 100vh;
    height: 100dvh;
  }
  
  /* 主聊天区域占满屏幕 */
  .main {
    width: 100%;
  }
  
  /* 移动端上传组件适配 */
  .file-upload-progress {
    right: 16px;
    left: 16px;
    width: auto;
    bottom: 70px;
    transform: translateY(0);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  }
  
  .file-upload-progress.hidden {
    transform: translateY(120%);
    opacity: 0;
  }
  
  .file-upload-menu {
    right: 16px;
    bottom: 60px;
  }
  
  /* 添加汉堡菜单按钮 */
  .chat-header {
    position: relative;
  }
  
  .chat-header::before {
    content: '☰';
    position: absolute;
    left: 16px;
    font-size: 24px;
    cursor: pointer;
    z-index: 1;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
  }
  
  .chat-header::before:hover {
    background: rgba(255, 255, 255, 0.1);
  }
  
  .chat-header .channel-icon {
    margin-left: 48px;
  }
  
  /* 窗口按钮在移动端隐藏 */
  .window-buttons {
    display: none;
  }
  
  /* 消息区域优化 */
  .messages {
    padding: 12px 0;
  }
  
  .message {
    padding: 8px 12px;
  }
  
  .message .avatar {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  /* 输入区域优化 */
  .input-area {
    padding: 12px;
  }
  
  .input-box {
    padding: 10px 12px;
  }
  
  /* 输入按钮优化为触摸友好 */
  .input-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  /* 名称选择器优化 */
  .name-chooser-content {
    padding: 36px 24px;
    max-width: 90%;
    margin: 0 16px;
  }
}

/* 移动端适配 - 针对小屏手机 */
@media screen and (max-width: 480px) {
  /* 减小字体大小 */
  .message-user {
    font-size: 14px;
  }
  
  .input {
    font-size: 14px;
  }
  
  /* 消息头部优化 */
  .message-header {
    gap: 6px;
  }
  
  .message-time {
    font-size: 11px;
  }
  
  /* 减小头像大小 */
  .message .avatar {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  
  /* 贴纸大小调整 */
  :root {
    --sticker-size: 80px;
  }
  
  .sticker-inline {
    height: 48px;
  }
  
  /* 文件附件优化 */
  .message-file {
    max-width: 100%;
  }
  
  .file-icon {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  
  .file-name {
    font-size: 13px;
  }
  
  .file-size {
    font-size: 11px;
  }
  
  /* 输入按钮进一步优化 -- 更加紧凑且视觉上更舒适 */
  .input-area {
    padding: 8px; /* 极简的外部填充 */
    background: #50476a; /* 确保背景色不透明，遮挡底部可能的内容 */
    padding-bottom: max(8px, env(safe-area-inset-bottom)); /* 适配 iPhone X+ 底部安全区域 */
  }

  .input-box {
    padding: 6px 10px; /* 更加紧凑的内部填充 */
    gap: 8px;
    min-height: 44px; /* 保证最小触控高度 */
  }

  .input-btn {
    width: 32px; /* 较小的视觉尺寸 */
    height: 32px;
    min-height: 32px; /* 覆盖全局触摸优化 */
    font-size: 16px;
    padding: 0; /* 移除可能的内边距 */
    position: relative;
  }
  
  /* 增加实际点击热区但不增加视觉尺寸 */
  .input-btn::after {
    content: '';
    position: absolute;
    top: -6px; right: -6px; bottom: -6px; left: -6px;
  }

  /* 提及列表优化 */
  .mention-list {
    width: calc(100vw - 48px);
    max-width: 280px;
  }
  
  /* 侧边栏内容优化 */
  .voice-user-info .avatar {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
  
  .section-label {
    font-size: 11px;
  }
  
  /* 名称选择器进一步优化 */
  .name-chooser-content {
    padding: 24px 20px;
  }
  
  .name-chooser-content h2 {
    font-size: 20px;
  }
  
  .subtitle {
    font-size: 13px;
    margin-bottom: 24px;
  }
  
  .name-input {
    padding: 14px 16px;
    font-size: 15px;
  }
  
  .name-submit {
    padding: 14px;
    font-size: 15px;
  }
  
  .logo-area svg {
    width: 48px;
    height: 48px;
  }
}

/* 横屏模式优化 */
@media screen and (max-width: 768px) and (orientation: landscape) {
  .chat-root {
    height: 100vh;
    height: 100dvh;
  }
  
  .name-chooser-content {
    max-height: 90vh;
    overflow-y: auto;
  }
  
  /* 减小头部高度 */
  .chat-header,
  .server-header {
    height: 40px;
  }
  
  /* 减小输入区域 */
  .input-area {
    padding: 8px 12px;
  }
  
  .input-box {
    padding: 8px 12px;
  }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  /* 增加点击区域 */
  .input-btn,
  .file-download,
  .channel,
  .voice-user {
    min-height: 44px;
  }
  
  /* 移除悬停效果，使用点击效果 */
  .input-btn:active {
    background: #3d3750;
    transform: scale(0.95);
  }
  
  .message:active {
    background: rgba(4, 4, 5, 0.1);
  }
  
  .name-submit:active {
    transform: scale(0.98);
  }
}

/* 最终修正：针对移动端强制覆盖触摸设备的大尺寸设置，使用伪元素扩大点击区域代替 */
@media screen and (max-width: 480px) {
  .input-btn {
    min-height: 32px !important;
    height: 32px !important;
    width: 32px !important;
  }
}

/* Nako 思考图标样式 */
.nako-thinking-icon {
  display: inline-block;
  margin-left: 6px;
  font-size: 14px;
  cursor: help;
  opacity: 0.5;
  transition: opacity 0.2s, transform 0.2s;
  vertical-align: middle;
}

.nako-thinking-icon:hover {
  opacity: 0.9;
  transform: scale(1.15);
}

/* 移动端隐藏思考图标 */
@media screen and (max-width: 768px) {
  .nako-thinking-icon {
    display: none;
  }
}