/*
 * Temp Email — Modern Webmail (Robust Full Width Layout)
 * 设计理念：
 * 1. 彻底解决登录页与主页的冲突 BUG。
 * 2. 移除所有破坏 DOM 流的 position: fixed 侧边栏黑客改法。
 * 3. 100% 宽度充满屏幕，消除大黑边。
 * 4. 动态 CSS 矢量 Logo，无视缓存。
 */

/* ================================================================
   1. 设计令牌 (Design Tokens) 
   ================================================================ */
:root {
  --g-bg: #f8fafc;               
  --g-surface: #ffffff;          
  --g-surface-hover: #f1f5f9;
  --g-surface-active: #e2e8f0;
  --g-accent: #3b82f6;           
  --g-accent-bg: #eff6ff; 
  --g-accent-hover: #dbeafe;
  --g-text: #1e293b;
  --g-text-2: #475569;
  --g-text-3: #94a3b8;
  --g-white: #ffffff;
  --g-border: #e2e8f0;
  --g-divider: #f1f5f9;
  --g-shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --g-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --g-r-pill: 9999px;
  --g-r-card: 16px;
  --g-r-sm: 8px;
  --g-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --g-header-h: 64px;
}

.dark-mode, html.dark {
  --g-bg: #0f172a;
  --g-surface: #1e293b;
  --g-surface-hover: #334155;
  --g-surface-active: #475569;
  --g-accent: #60a5fa;
  --g-accent-bg: rgba(59, 130, 246, 0.15);
  --g-accent-hover: rgba(59, 130, 246, 0.1);
  --g-text: #f8fafc;
  --g-text-2: #cbd5e1;
  --g-text-3: #64748b;
  --g-border: #334155;
  --g-divider: #1e293b;
}

/* ================================================================
   2. 基础重置 (消除多余空间与强制黑边)
   ================================================================ */
body, .n-layout {
  background: var(--g-bg) !important;
  color: var(--g-text) !important;
  font-family: "Inter", "Segoe UI", Roboto, sans-serif;
  margin: 0 !important;
  padding: 0 !important;
}
#app::before, #app::after { display: none !important; }
* { color: inherit; box-sizing: border-box; }


/* ================================================================
   3. 头部与动态 Logo
   ================================================================ */
.n-layout-header {
  background: var(--g-surface) !important;
  border-bottom: 1px solid var(--g-border) !important;
  padding: 0 24px !important;
  height: var(--g-header-h) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important; 
  box-shadow: var(--g-shadow-sm) !important;
}

/* 彻底隐藏被缓存的旧 Logo 及其可能的所有容器形态 */
.logo, 
img[src*="logo.png"],
.n-layout-header img,
.n-layout-header .n-avatar,
.n-page-header__title img {
  display: none !important;
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  opacity: 0 !important;
}

.n-page-header__title h3 {
  font-size: 20px !important;
  font-weight: 600 !important;
  color: var(--g-text) !important;
  display: flex !important;
  align-items: center !important;
  letter-spacing: -0.02em;
}

.n-page-header__title h3::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 28px;
  margin-right: 12px;
  /* 使用 100% 兼容的内联 SVG 背景，替换之前的 mask 导致灰块的问题 */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='url(%23grad)' d='M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z'/%3E%3Cdefs%3E%3ClinearGradient id='grad' x1='0%25' y1='0%25' x2='100%25' y2='100%25'%3E%3Cstop offset='0%25' style='stop-color:%233b82f6;stop-opacity:1' /%3E%3Cstop offset='100%25' style='stop-color:%238b5cf6;stop-opacity:1' /%3E%3C/linearGradient%3E%3C/defs%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

/* 顶部右侧按钮区 */
.header-extra {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  position: static !important; 
  width: auto !important;
}

.header-extra .n-button {
  background: transparent !important;
  border: none !important;
  color: var(--g-text-2) !important;
  border-radius: var(--g-r-pill) !important;
  padding: 0 16px !important;
  height: 40px !important;
  transition: all var(--g-transition) !important;
}

.header-extra .n-button:hover {
  background: var(--g-surface-hover) !important;
  color: var(--g-text) !important;
}


/* ================================================================
   4. 主内容容器：100% 满铺全宽 
   ================================================================ */
.center, div[class*="center"] {
  max-width: 100% !important; 
  width: 100% !important;
  margin: 0 auto !important;
  padding: 24px !important; 
  min-height: calc(100vh - var(--g-header-h)) !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
}

.center > .n-card {
  flex-shrink: 0 !important;
  background: var(--g-surface) !important;
  border: 1px solid var(--g-border) !important;
  border-radius: var(--g-r-card) !important; /* 取消了药丸形状，恢复正常卡片圆角 */
  padding: 16px !important;
  margin-bottom: 24px !important;
  box-shadow: var(--g-shadow-sm) !important;
  align-self: center !important;
  width: 100% !important;
  max-width: 900px !important; 
}

.address-row {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  margin: 0 !important;
}

.address-select { flex-grow: 1; }
.address-select .n-base-selection {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  height: 40px !important;
}

.address-row .n-button {
  border-radius: var(--g-r-pill) !important;
  height: 36px !important;
  padding: 0 20px !important;
  font-weight: 500 !important;
  background: var(--g-surface-hover) !important;
  border: 1px solid var(--g-border) !important;
  color: var(--g-text) !important;
}


/* ================================================================
   5. 原生 Tabs 导航 (修复登录页与主页)
   ================================================================ */
.n-tabs {
  background: transparent !important;
  flex-grow: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  width: 100% !important;
}

.n-tabs-nav {
  position: static !important; 
  border-bottom: 1px solid var(--g-border) !important;
  margin-bottom: 16px !important;
  width: 100% !important;
}

.n-tabs-wrapper, 
.n-tabs-nav-scroll-content,
.n-tabs-scroll-padding {
  display: flex !important;
  flex-direction: row !important; 
  width: auto !important;
}

.n-tabs-tab {
  padding: 12px 24px !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  color: var(--g-text-2) !important;
  background: transparent !important;
  border: none !important;
  border-radius: var(--g-r-sm) var(--g-r-sm) 0 0 !important;
  margin: 0 !important;
}

.n-tabs-tab:hover {
  color: var(--g-text) !important;
  background: var(--g-surface-hover) !important;
}

.n-tabs-tab--active {
  color: var(--g-accent) !important;
  font-weight: 600 !important;
}

.n-tabs-bar {
  display: block !important;
  background: var(--g-accent) !important;
  height: 3px !important;
  border-radius: 3px 3px 0 0 !important;
}

.n-tab-pane {
  flex-grow: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  padding: 0 !important;
  height: 100% !important;
}


/* ================================================================
   6. 邮件主体区域
   ================================================================ */
.main {
  flex-grow: 1 !important;
  background: var(--g-surface) !important;
  border-radius: var(--g-r-card) !important;
  border: 1px solid var(--g-border) !important;
  overflow: hidden !important;
  box-shadow: var(--g-shadow-sm) !important;
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
}

.main .n-space {
  padding: 12px 16px !important;
  border-bottom: 1px solid var(--g-border) !important;
  background: var(--g-surface-hover) !important;
}
.n-grid > .n-gi:not(:last-child) { border-right: 1px solid var(--g-divider) !important; }

.n-data-table { background: transparent !important; border: none !important; }
.n-data-table-th {
  background: var(--g-surface-hover) !important;
  color: var(--g-text-3) !important;
  border-bottom: 1px solid var(--g-divider) !important;
  padding: 14px 16px !important;
}
.n-data-table-td {
  background: transparent !important;
  border-bottom: 1px solid var(--g-divider) !important;
  padding: 14px 16px !important;
  cursor: pointer;
}
.n-data-table-tr:hover .n-data-table-td { background: var(--g-surface-hover) !important; }
.n-data-table-tr.n-data-table-tr--selected .n-data-table-td {
  background: var(--g-accent-bg) !important;
  border-left: 3px solid var(--g-accent) !important;
}

.n-empty { padding: 120px 0 !important; }

/* ================================================================
   7. 响应式
   ================================================================ */
@media (max-width: 768px) {
  .center, div[class*="center"] {
    padding: 12px !important;
    height: auto !important;
    min-height: 100vh !important;
  }
  .header-extra { flex-wrap: wrap !important; }
  .address-row { flex-direction: column !important; }
  .n-tabs-tab { padding: 12px 16px !important; }
}