/* Layout — 即梦风格极简侧边栏 */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background: var(--color-surface);
}

/* ── 顶部栏 ── */
.dashboard-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-md);
  z-index: 200;
  gap: var(--spacing-md);
}

.dashboard-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header-left { display: flex; align-items: center; gap: var(--spacing-md); }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-body-small);
  color: var(--color-text-secondary);
}
.breadcrumb-separator { opacity: 0.35; }
.breadcrumb-current { color: var(--color-text); font-weight: var(--font-weight-semibold); }

.header-right { display: flex; align-items: center; gap: var(--spacing-sm); }

.notification-btn {
  position: relative;
  background: none;
  border: none;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 17px;
  color: var(--color-text-secondary);
}
.notification-btn:hover { background: var(--color-surface); }

.badge {
  position: absolute;
  top: 5px; right: 5px;
  background: var(--color-error);
  color: #fff;
  border-radius: 50%;
  width: 15px; height: 15px;
  font-size: 9px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid #fff;
}

.user-menu { position: relative; }
.user-btn {
  display: flex; align-items: center; gap: var(--spacing-sm);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 4px;
  cursor: pointer;
  font-size: var(--font-size-body-small);
  color: var(--color-text);
  transition: background var(--transition-fast);
}
.user-btn:hover { background: var(--color-surface); }
.avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
}

.menu-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  min-width: 160px;
  display: none; overflow: hidden;
}
.user-menu:hover .menu-dropdown { display: flex; flex-direction: column; }
.menu-dropdown a {
  display: block; padding: 10px var(--spacing-md);
  color: var(--color-text);
  font-size: var(--font-size-body-small);
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: background var(--transition-fast);
}
.menu-dropdown a:hover { background: var(--color-surface); }
.menu-dropdown a:last-child { border-bottom: none; }

/* ── 主框架 ── */
.dashboard-container {
  display: flex;
  padding-top: 0;
  height: 100vh;
}

/* ── 侧边栏 — 即梦风格 64px 图标栏 ── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-background);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md) 0;
  gap: 4px;
  z-index: 100;
}

/* Logo 区域 */
.sidebar-logo {
  width: 40px; height: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--spacing-md);
  box-shadow: 0 2px 8px rgba(14,165,233,.35);
}

.sidebar-logo-icon {
  width: 22px; height: 22px;
  display: block;
}

/* Nav */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: 1;
  width: 100%;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  text-decoration: none;
  color: var(--color-text-secondary);
  position: relative;
}

.nav-item:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.nav-icon {
  font-size: 20px;
  line-height: 1;
  display: block;
}

/* SVG 图标替代 emoji */
.nav-item.active .nav-icon { filter: none; }

.nav-label {
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  line-height: 1;
  letter-spacing: 0.2px;
}

/* 底部 */
.sidebar-footer {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border-light);
}

.sidebar-collapse-btn {
  width: 36px; height: 36px;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-size: 16px;
  transition: all var(--transition-fast);
}
.sidebar-collapse-btn:hover {
  background: var(--color-surface);
  color: var(--color-text-secondary);
}

/* ── 主内容区 ── */
.main-panel {
  flex: 1;
  margin-left: var(--sidebar-width);
  height: 100%;
  overflow: hidden;
}

#moduleContainer {
  height: 100%;
  overflow-y: auto;
  background: var(--color-surface);
}

/* ── Logo（顶部栏内）── */
.logo {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 8px;
}

.logo-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 6px rgba(14,165,233,.3);
}

/* ══════ 侧边栏底部控件 ══════ */
.sidebar-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border-light);
  margin-top: auto;
}

.credits-badge {
  display: flex; flex-direction: column; align-items: center;
  gap: 1px; padding: 6px 8px;
  border-radius: var(--radius-md);
  cursor: pointer; transition: background var(--transition-fast);
  text-decoration: none;
}
.credits-badge:hover { background: var(--color-surface); }
.credits-num { font-size: 11px; font-weight: 700; color: var(--color-primary); display: flex; align-items: center; gap: 3px; }
.credits-label { font-size: 9px; color: var(--color-text-muted); }

.sidebar-icon-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px;
  background: none; border: none;
  cursor: pointer; color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  font-size: 9px;
}
.sidebar-icon-btn:hover { background: var(--color-surface); color: var(--color-text); }
.sidebar-icon-btn.active { color: var(--color-primary); background: var(--color-primary-light); }

.sidebar-avatar-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 6px rgba(14,165,233,.3);
}
.sidebar-avatar-btn:hover { transform: scale(1.06); }

/* ══════ 侧边弹出面板（消息/用户） ══════ */
.side-panel {
  position: fixed;
  top: 0; left: var(--sidebar-width);
  height: 100vh; width: 340px;
  background: #fff;
  border-right: 1px solid var(--color-border);
  box-shadow: 4px 0 16px rgba(0,0,0,.08);
  z-index: 300;
  display: none;
  flex-direction: column;
  animation: slideInLeft .2s ease;
}
.side-panel.open { display: flex; }
@keyframes slideInLeft { from{opacity:0;transform:translateX(-16px)} to{opacity:1;transform:translateX(0)} }

.side-panel-header {
  padding: 20px 20px 0;
  flex-shrink: 0;
}
.side-panel-title { font-size: 18px; font-weight: 700; color: #111827; margin-bottom: 14px; }

.side-panel-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--color-border); }
.side-panel-tab {
  padding: 8px 16px; font-size: 13px; color: var(--color-text-secondary);
  border: none; background: none; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: all var(--transition-fast); font-family: var(--font-family);
}
.side-panel-tab.active { color: var(--color-text); border-bottom-color: var(--color-primary); font-weight: 500; }

.side-panel-body { flex: 1; overflow-y: auto; padding: 16px 20px; }

.side-panel-empty {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 200px; color: var(--color-text-muted); font-size: 14px;
}

/* 用户面板 */
.user-panel-cover { height: 80px; background: linear-gradient(135deg,#e0f2fe,#ddd6fe); flex-shrink: 0; }
.user-panel-info { padding: 0 20px 20px; }
.user-panel-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 700; color: #fff;
  margin-top: -32px; border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.user-panel-name { font-size: 18px; font-weight: 700; margin: 10px 0 4px; }
.user-panel-stats { display: flex; gap: 16px; font-size: 13px; color: var(--color-text-secondary); margin-bottom: 12px; }
.user-panel-stats span strong { color: var(--color-text); font-weight: 600; }
.share-btn {
  width: 100%; padding: 8px; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  font-size: 13px; cursor: pointer; font-family: var(--font-family);
  transition: all var(--transition-fast); display: flex; align-items: center; justify-content: center; gap: 6px;
}
.share-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.user-panel-bio { font-size: 13px; color: var(--color-text-muted); margin-top: 10px; cursor: pointer; }

/* 设置弹出菜单 */
.settings-popup {
  position: fixed;
  bottom: 12px; left: calc(var(--sidebar-width) + 8px);
  width: 240px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  z-index: 400;
  display: none; overflow: hidden;
  animation: popIn .15s ease;
}
.settings-popup.open { display: block; }

.settings-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 16px;
  font-size: 13px; color: var(--color-text);
  cursor: pointer; transition: background var(--transition-fast);
  gap: 10px;
}
.settings-item:hover { background: var(--color-surface); }
.settings-item-left { display: flex; align-items: center; gap: 10px; }
.settings-group-label {
  padding: 8px 16px 4px;
  font-size: 10px; font-weight: 600; letter-spacing: .06em;
  color: var(--color-text-muted); text-transform: uppercase;
}
.settings-divider {
  height: 1px; margin: 4px 0;
  background: var(--color-border);
}
.settings-footer {
  padding: 12px 16px;
  font-size: 11px; color: var(--color-text-muted);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  line-height: 1.6;
}