/* Hermes WebUI - UI精修样式 */

/* ========== 字体优化 ========== */

/* 中文字体栈优化 */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", 
               "Microsoft YaHei", "微软雅黑", "Noto Sans CJK SC", "Source Han Sans SC", 
               "WenQuanYi Micro Hei", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Fira Code", "JetBrains Mono", "Consolas", 
               "Monaco", "Courier New", "PingFang SC", "Microsoft YaHei", monospace;
}

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* 代码字体优化 */
code, pre, .msg-body code, .msg-body pre {
  font-family: var(--font-mono);
}

/* ========== 中文排版优化 ========== */

/* 增加中文文本行高 */
body, p, div, span, li, td, th {
  line-height: 1.7;
}

/* 标题行高调整 */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.4;
  font-weight: 600;
}

/* 按钮文字优化 */
button, .btn, .icon-btn {
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ========== 间距优化 ========== */

/* 消息气泡间距 */
.msg-row {
  margin-bottom: 20px;
}

.msg-row + .msg-row {
  margin-top: 20px;
}

/* 卡片间距 */
.tool-card, .approval-card, .clarify-card {
  margin: 16px 0;
}

/* 侧边栏项目间距 */
.session-item {
  margin-bottom: 4px;
  padding: 10px 40px 10px 10px;
}

/* 按钮内边距优化 - 已移除，使用各按钮自己的默认 padding */

/* ========== 颜色增强 ========== */

/* 提高文本对比度 */
:root {
  --text-primary: #f0f0f3;
  --text-secondary: #b0b0c0;
  --text-muted: #8a8a9a;
}

.msg-body {
  color: var(--text-primary);
}

/* 链接颜色优化 */
a {
  color: #7cb9ff;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #a0d0ff;
  text-decoration: underline;
}

/* 代码块对比度 */
.msg-body pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.msg-body code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ========== 动画优化 ========== */

/* 平滑过渡 */
* {
  transition-timing-function: cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* 按钮悬停动画 */
button:not(:disabled):hover,
.icon-btn:hover,
.nav-tab:hover,
.icon-nav-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

button:not(:disabled):active,
.icon-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* 消息淡入动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msg-row {
  animation: fadeInUp 0.3s ease-out;
}

/* 工具卡片动画 */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.tool-card {
  animation: slideIn 0.3s ease-out;
}

/* 加载动画优化 */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-spinner {
  animation: spin 1s linear infinite;
}

/* 脉冲动画 */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.thinking-indicator {
  animation: pulse 1.5s ease-in-out infinite;
}

/* ========== 焦点状态优化 ========== */

/* 统一焦点样式 */
*:focus-visible {
  outline: 2px solid rgba(124, 185, 255, 0.6);
  outline-offset: 2px;
  border-radius: 4px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(124, 185, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(124, 185, 255, 0.1);
}

/* ========== 滚动条优化 ========== */

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Firefox滚动条 */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

/* ========== 卡片阴影优化 ========== */

.tool-card,
.approval-card,
.clarify-card,
.session-item.active {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tool-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ========== 输入框优化 ========== */

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
  transition: all 0.2s ease;
}

input[type="text"]:hover,
input[type="password"]:hover,
input[type="email"]:hover,
textarea:hover,
select:hover {
  border-color: rgba(124, 185, 255, 0.3);
}

/* ========== 消息气泡优化 ========== */

.msg-body {
  border-radius: 12px;
  padding: 16px;
}

/* 用户消息 */
.msg-row.user .msg-body {
  background: rgba(124, 185, 255, 0.08);
  border: 1px solid rgba(124, 185, 255, 0.2);
}

/* 助手消息 */
.msg-row.assistant .msg-body {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ========== 标签优化 ========== */

.chip, .project-chip {
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.chip:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* ========== 图标优化 ========== */

svg {
  transition: all 0.2s ease;
}

button:hover svg,
.icon-btn:hover svg {
  transform: scale(1.05);
}

/* ========== 响应式优化 ========== */
/* Mobile support removed - desktop only */

/* ========== 深色主题优化 ========== */

:root[data-theme="dark"] {
  --text-primary: #f0f0f3;
  --text-secondary: #c0c0d0;
}


/* ========== 加载状态优化 ========== */

.loading-overlay {
  backdrop-filter: blur(4px);
  background: rgba(0, 0, 0, 0.3);
}



/* ========== 性能优化 ========== */

/* 使用GPU加速 */
.msg-row,
.tool-card,
button,
.icon-btn {
  will-change: transform;
  transform: translateZ(0);
}

/* 减少重绘 */
.msg-body img,
.msg-body video {
  will-change: transform;
}

/* ========== 无障碍优化 ========== */

/* 跳过导航链接 */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
}

.skip-to-content:focus {
  top: 0;
}

/* 屏幕阅读器专用文本 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========== 打印样式 ========== */

@media print {
  .sidebar,
  .topbar,
  .composer-wrap,
  .icon-nav {
    display: none !important;
  }
  
  .main {
    width: 100% !important;
    max-width: 100% !important;
  }
  
  .msg-row {
    page-break-inside: avoid;
  }
}