/**
 * AMMF WebUI 主样式文件
 * 基于MD3设计系统重构的统一样式
 */
/* 导入MD3基础样式系统 */
@import url('md3.css');
@import url('pages/about.css');
@import url('pages/settings.css');
@import url('pages/status.css');
@import url('pages/logs.css');
@import url('animations.css');
@import url('components.css');

/* ===== 基础变量 ===== */
:root {
  --header-height: 58px;
  --nav-height: 83px;
  --icon-size: 40px;
  --border-radius-xl: 20px;
  --border-radius-l: 16px;
  --border-radius-m: 14px;
  --border-radius-s: 12px;
  --scrollbar-width: 6px;
  
  /* 标准间距变量 */
  --spacing-xs: 4px;
  --spacing-s: 8px;
  --spacing-m: 12px;
  --spacing-l: 16px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;
}

/* ===== 基础布局 ===== */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

/* ===== 通用组件 ===== */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

/* 图标按钮基础样式 */
.icon-button {
  --color: var(--on-surface);
  width: var(--icon-size);
  height: var(--icon-size);
  border-radius: var(--border-radius-xl);
  border: none;
  background-color: transparent;
  color: var(--color);
  cursor: pointer;
  transition: background-color var(--tra);
  align-items: center;
  justify-content: center;
  display: flex;
}

.icon-button:hover {
  background-color: color-mix(in oklch, var(--color) 8%, transparent);
}

.icon-button:active,
.icon-button:focus {
  background-color: color-mix(in oklch, var(--color) 10%, transparent);
}

.icon-button .material-symbols-rounded {
  font-size: 24px;
}

/* ===== 顶栏组件 ===== */
.app-header {
  --color: var(--on-surface);
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-height);
  padding-inline: var(--spacing-xs) var(--spacing-m);
  background-color: transparent;
  color: var(--on-surface);
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-header.header-solid {
  background-color: var(--surface-container);
}

.mmrl-environment .app-header {
  height: 48px;
  padding-top: env(safe-area-inset-top);
}

.header-content {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-l);
}

.header-title {
  flex: 0 1 auto;
  overflow: hidden;
  margin: 0 0 0 var(--spacing-l);
}

.header-title h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 520;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--on-surface);
}

.header-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--spacing-xs);
  margin-left: auto;
  z-index: 1;
}

/* ===== 主内容区域 ===== */
#main-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  transition: opacity var(--tra);
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
}

/* 页面容器 */
.page-container {
  padding: var(--spacing-xs);
  margin: 0;
  width: 100%;
  max-width: none;
  box-sizing: border-box;
}

.about-container,
.status-page,
.settings-content,
.logs-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-s);
}

/* ===== 底部导航栏 ===== */
.app-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background-color: var(--surface-container);
  color: var(--on-surface);
  box-shadow: var(--ele1);
  transition: background-color var(--tra);
  padding-bottom: env(safe-area-inset-bottom);
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
  height: var(--nav-height);
}

.nav-content {
  display: flex;
  justify-content: center;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 2px 2px;
}

.nav-item {
  --color: var(--on-surface-variant);
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  justify-content: center;
  padding: 4px 0;
  color: var(--color);
  text-decoration: none;
  transition: all var(--tra);
  position: relative;
  overflow: hidden;
}

.nav-item .material-symbols-rounded {
  font-size: 25px;
  padding: 3px 18px;
  border-radius: var(--border-radius-xl);
  transition: all var(--tra), padding 200ms cubic-bezier(0.2, 0, 0, 1);
}

.nav-item span:not(.material-symbols-rounded) {
  font-size: 13px;
  color: var(--on-surface-variant);
  max-height: 0;
  opacity: 0;
  transition: all var(--tra);
  transform: translateY(-8px);
}

.nav-item.active {
  color: var(--on-surface-variant);
  font-weight: 520;
}

.nav-item.active span:not(.material-symbols-rounded) {
  max-height: 20px;
  opacity: 1;
  transform: translateY(0);
  margin-top: 4px;
}

.nav-item.active .material-symbols-rounded {
  background-color: var(--secondary-container);
  color: var(--primary);
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.nav-item:hover .material-symbols-rounded {
  background-color: color-mix(in oklch, var(--color) 8%, transparent);
}

.nav-item:active .material-symbols-rounded,
.nav-item:focus .material-symbols-rounded {
  background-color: color-mix(in oklch, var(--color) 10%, transparent);
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

::-webkit-scrollbar-track,
::-webkit-scrollbar-thumb,
::-webkit-scrollbar-thumb:hover {
  display: none;
}

* {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html, body, #main-content, .language-options, .app-nav {
  scroll-behavior: smooth;
}

/* ===== 响应式布局 ===== */
@media (max-width: 480px) {
  .page-container {
    padding: 0;
    margin: 0;
  }

  .about-container,
  .status-page,
  .settings-content,
  .logs-container {
    padding: var(--spacing-xs);
    margin: 0 auto;
  }
}

@media (min-width: 768px) {
  :root {
    --main: 0;
    --rhw: 0;
  }

  #app {
    flex-direction: row;
  }

  #main-content {
    margin-left: 80px;
    width: calc(100% - 80px);
  }

  .app-header {
    display: none !important;
  }

  .app-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 80px;
    height: 100vh;
    border-radius: 0;
    border-right: 1px solid var(--outline-variant);
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
  }

  .nav-content {
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 8px 0;
    margin: 0;
    overflow-y: auto;
    overflow-x: hidden;
    justify-content: space-between;
  }

  .nav-item {
    flex: 0 0 56px;
    padding: 8px 0;
    margin: 0;
    width: 100%;
  }

  .nav-content > *:not(.system-actions) {
    flex-shrink: 0;
  }

  .nav-content .icon-button {
    width: var(--icon-size);
    height: var(--icon-size);
    border-radius: var(--border-radius-l);
  }

  .nav-content ul {
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0 0 8px 0;
    gap: 4px;
    height: 240px;
    flex-shrink: 0;
  }

  .nav-content .page-actions {
    margin: auto;
    padding: 12px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    background-color: var(--surface-container-low);
    border-radius: var(--border-radius-xl);
    width: 56px;
    min-height: 144px;
    overflow-y: auto;
    flex-shrink: 0;
    justify-content: center;
  }

  .nav-content .system-actions {
    margin-top: auto;
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    border-top: 1px solid var(--outline-variant);
    flex-shrink: 0;
    background-color: var(--surface-container);
    width: 100%;
  }
}

/* 主题切换支持 */
:root[data-theme="dark"] {
  color-scheme: dark;
}

:root[data-theme="light"] {
  color-scheme: light;
}

* {
  -webkit-tap-highlight-color: transparent;
}