/* MapleNet Base — clean dashboard style */

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--mn-bg-page);
  color: var(--mn-text);
  font-family: var(--mn-font-ui);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.mn-body-content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  background: var(--mn-bg-content);
}

/* 布局骨架 */
.mn-app {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
}

.mn-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--mn-sidebar-w);
  background: var(--mn-bg-sidebar);
  border-right: 1px solid var(--mn-border);
  display: flex;
  flex-direction: column;
  z-index: 20;
}

.mn-brand {
  height: var(--mn-topbar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 22px;
  border-bottom: 1px solid var(--mn-border);
}

.mn-brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--mn-coral);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  font-size: 13px;
}

.mn-brand__name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--mn-text);
}

.mn-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
}

.mn-nav__group {
  margin-bottom: 8px;
}

.mn-nav__label {
  padding: 12px 14px 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--mn-text-dim);
  font-weight: 600;
}

.mn-nav__item,
.mn-nav__sub a {
  display: block;
  padding: 11px 14px;
  border-radius: var(--mn-radius-sm);
  color: var(--mn-text-muted);
  text-decoration: none;
  transition: all 0.18s ease;
  cursor: pointer;
  margin-bottom: 4px;
}

.mn-nav__item:hover,
.mn-nav__sub a:hover {
  background: var(--mn-bg-panel-hover);
  color: var(--mn-text);
}

.mn-nav__item.is-active,
.mn-nav__sub a.is-active {
  background: var(--mn-coral-soft);
  color: var(--mn-coral);
  font-weight: 500;
}

.mn-nav__sub {
  padding-left: 12px;
  margin-top: 4px;
}

.mn-main {
  margin-left: var(--mn-sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mn-topbar {
  height: var(--mn-topbar-h);
  background: var(--mn-bg-page);
  border-bottom: 1px solid var(--mn-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.mn-topbar__title {
  font-size: 18px;
  font-weight: 600;
  color: var(--mn-text);
}

.mn-topbar__user {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--mn-text-muted);
  font-size: 13px;
}

.mn-topbar__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--mn-border-strong);
  object-fit: cover;
}

.mn-content {
  flex: 1;
  padding: 28px;
  background: var(--mn-bg-content);
}

.mn-footer {
  padding: 18px 28px;
  border-top: 1px solid var(--mn-border);
  color: var(--mn-text-dim);
  font-size: 12px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.mn-footer a {
  color: var(--mn-text-muted);
  text-decoration: none;
}

.mn-footer a:hover {
  color: var(--mn-coral);
}

/* 简单响应式 */
@media (max-width: 900px) {
  [data-mn-menu-toggle] { display: inline-flex !important; }
  .mn-topbar__user span { display: none; }
  .mn-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .mn-sidebar.is-open {
    transform: translateX(0);
  }
  .mn-main {
    margin-left: 0;
  }
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--mn-bg-page);
}
::-webkit-scrollbar-thumb {
  background: var(--mn-border-strong);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--mn-text-dim);
}

/* 文字工具 */
.mn-text-coral { color: var(--mn-coral) !important; }
.mn-text-muted { color: var(--mn-text-muted) !important; }
.mn-text-dim { color: var(--mn-text-dim) !important; }
.mn-mono { font-family: var(--mn-font-mono); }

/* 页面四边留白 */
.mn-page-pad { padding: 26px; }