/* ==========================================================================
   TIEDI v1 · layout.css
   职责:topbar / main-nav / main-content / ctx-bar / page-head / 面包屑
   ========================================================================== */

/* ==========================================================================
   顶部状态栏 topbar
   ========================================================================== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px;
  border-bottom: 1px solid var(--border-1);
  background: linear-gradient(180deg, rgba(4, 6, 12, 0.92) 0%, rgba(4, 6, 12, 0.7) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.topbar-left { display: flex; align-items: center; gap: 24px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }

.logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-violet));
  font-family: var(--f-display-en); font-size: 18px; font-weight: 800;
  color: var(--bg-0);
  display: flex; align-items: center; justify-content: center;
  clip-path: polygon(0 0, 100% 0, 100% 75%, 75% 100%, 0 100%);
  box-shadow: 0 0 12px var(--c-primary-soft);
}
.theme-ent .logo-mark { background: linear-gradient(135deg, var(--c-amber), var(--c-magenta)); }
.theme-sci .logo-mark { background: linear-gradient(135deg, var(--c-violet), var(--c-magenta)); }
.theme-magenta .logo-mark { background: linear-gradient(135deg, var(--c-magenta), var(--c-violet)); }
.logo-text { display: flex; flex-direction: column; gap: 0; }
.logo-cn { font-family: var(--f-display-cn); font-weight: 700; font-size: 15px; letter-spacing: 2.5px; color: var(--text-0); }
.logo-en { font-family: var(--f-mono); font-size: 8.5px; letter-spacing: 1.5px; color: var(--c-primary); text-transform: uppercase; }

/* 面包屑 */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-3); }
.breadcrumb a { color: var(--text-3); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb .sep { color: var(--text-3); }
.breadcrumb .current { color: var(--text-0); font-weight: 500; }

/* 搜索框 */
.search-box {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-1);
  border-radius: var(--r-xs);
  transition: all 0.3s;
}
.search-box:focus-within { border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-primary-soft); }
.search-box svg { color: var(--text-3); }
.search-box input {
  width: 180px; background: transparent; border: none; outline: none;
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.5px;
  color: var(--text-1);
}
.search-box input::placeholder { color: var(--text-3); }

/* 图标按钮 */
.icon-btn {
  position: relative; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border-1);
  border-radius: var(--r-xs);
  color: var(--text-2);
  cursor: pointer; transition: all 0.2s;
}
.icon-btn:hover { color: var(--c-primary); border-color: var(--c-primary); }
.icon-btn .badge {
  position: absolute; top: -4px; right: -4px;
  min-width: 16px; height: 16px; padding: 0 4px;
  background: var(--c-magenta); color: var(--text-0);
  font-family: var(--f-mono); font-size: 9px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  box-shadow: 0 0 8px var(--c-magenta);
}

/* 头像 */
.avatar {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-primary), var(--c-violet));
  color: var(--bg-0);
  font-family: var(--f-display-cn); font-weight: 700; font-size: 13px;
  border-radius: var(--r-sm);
  cursor: pointer; position: relative;
}
.theme-ent .avatar { background: linear-gradient(135deg, var(--c-amber), var(--c-magenta)); }
.theme-sci .avatar { background: linear-gradient(135deg, var(--c-violet), var(--c-magenta)); }
.avatar::after {
  content: ""; position: absolute; bottom: 0; right: 0;
  width: 8px; height: 8px;
  background: var(--c-primary); border-radius: 50%;
  border: 2px solid var(--bg-0);
  box-shadow: 0 0 6px var(--c-primary);
}

/* ==========================================================================
   主体布局 layout
   ========================================================================== */
.layout {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 60px);
}
.layout--full { grid-template-columns: 1fr; }
.layout--chain { grid-template-columns: 260px 1fr 320px; }
.layout--kanban { grid-template-columns: 240px 1fr 0; transition: grid-template-columns 0.3s var(--ease-out); }
.layout--kanban.detail-open { grid-template-columns: 240px 1fr 340px; }

/* ==========================================================================
   侧边导航 main-nav
   ========================================================================== */
.main-nav {
  border-right: 1px solid var(--border-1);
  background: linear-gradient(180deg, rgba(8, 11, 24, 0.6) 0%, rgba(4, 6, 12, 0.4) 100%);
  padding: 20px 0;
  position: sticky; top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}
.main-nav-section { padding: 0 16px 18px; }
.main-nav-title {
  font-family: var(--f-mono); font-size: 9.5px; letter-spacing: 2.5px;
  color: var(--text-3); text-transform: uppercase;
  padding: 6px 12px; margin-bottom: 4px;
}
.main-nav-item {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px;
  font-size: 13px; color: var(--text-2);
  border-radius: var(--r-xs);
  border: 1px solid transparent;
  transition: all 0.25s var(--ease-out);
  cursor: pointer; margin-bottom: 1px;
}
.main-nav-item::before {
  content: ""; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 2px; height: 0;
  background: var(--c-primary);
  transition: height 0.25s var(--ease-out);
  box-shadow: 0 0 6px var(--c-primary);
}
.main-nav-item:hover { color: var(--text-0); background: rgba(255, 255, 255, 0.03); }
.main-nav-item.active {
  color: var(--c-primary);
  background: var(--c-primary-soft);
  border-color: var(--c-primary);
  box-shadow: 0 0 12px var(--c-primary-soft);
}
.main-nav-item.active::before { height: 70%; }
.main-nav-item .badge {
  background: var(--c-magenta); color: var(--text-0);
  font-family: var(--f-mono); font-size: 9px; font-weight: 700;
  padding: 1px 6px; border-radius: 8px;
  box-shadow: 0 0 6px var(--c-magenta-soft);
}
.main-nav-item.is-disabled { opacity: 0.4; cursor: not-allowed; }
.main-nav-item.is-disabled:hover { background: transparent; color: var(--text-3); border-color: transparent; }

/* ==========================================================================
   主体内容 main-content
   ========================================================================== */
.main-content {
  padding: 20px 28px 32px;
  display: flex; flex-direction: column; gap: 18px;
  max-width: 100%; overflow-x: hidden;
}
.main-content--full { padding: 0; }
.main-content--narrow { max-width: 1400px; margin: 0 auto; width: 100%; }

/* ==========================================================================
   上下文条 ctx-bar
   ========================================================================== */
.ctx-bar {
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  padding: 10px 16px;
  background: linear-gradient(90deg, var(--c-primary-soft) 0%, var(--c-primary-soft) 0.01%, transparent 100%);
  border: 1px solid var(--border-1);
  border-left: 2px solid var(--c-primary);
  border-radius: var(--r-xs);
  font-size: 12px;
}
.ctx-item { display: flex; align-items: center; gap: 8px; }
.ctx-k { font-family: var(--f-mono); font-size: 9.5px; letter-spacing: 1.5px; color: var(--text-3); text-transform: uppercase; }
.ctx-v { font-weight: 500; color: var(--text-1); }
.ctx-v .num { font-family: var(--f-display-en); color: var(--c-primary); font-weight: 700; }
.ctx-role {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 1px;
  padding: 2px 8px; border-radius: 2px;
  background: var(--c-primary-soft); color: var(--c-primary);
  border: 1px solid var(--c-primary);
}
.ctx-pulse {
  display: inline-block; width: 6px; height: 6px;
  background: var(--c-primary); border-radius: 50%;
  box-shadow: 0 0 6px var(--c-primary);
  margin-right: 6px;
  animation: ctx-pulse 1.5s ease-in-out infinite;
}
@keyframes ctx-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.ctx-actions { margin-left: auto; display: flex; gap: 8px; }
.ctx-btn {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--border-2);
  color: var(--text-2);
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 1px;
  border-radius: var(--r-xs);
  transition: all 0.2s;
}
.ctx-btn:hover { color: var(--c-primary); border-color: var(--c-primary); background: var(--c-primary-soft); }

/* ==========================================================================
   页面头 page-head
   ========================================================================== */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-1);
}
.page-head h1 {
  font-family: var(--f-display-cn); font-weight: 700;
  font-size: var(--fs-h1); letter-spacing: 1px; color: var(--text-0);
  line-height: 1.1;
}
.page-head h1 .en {
  display: inline-block; margin-left: 12px;
  font-family: var(--f-mono); font-size: 10px; letter-spacing: 3px;
  color: var(--c-primary); text-transform: uppercase;
  vertical-align: middle;
}
.page-head .desc { font-size: 12.5px; color: var(--text-2); margin-top: 6px; }
.page-head-actions { display: flex; gap: 8px; }

/* ==========================================================================
   底部 (登录页等用)
   ========================================================================== */
.bottombar {
  position: relative; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 48px;
  border-top: 1px solid var(--border-1);
  background: linear-gradient(0deg, rgba(4, 6, 12, 0.6) 0%, transparent 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 1.5px;
  color: var(--text-3);
}
.bottom-right { display: flex; align-items: center; gap: 10px; }
.ts-label { color: var(--text-3); }
.ts-value { color: var(--c-primary); font-weight: 600; }
.ts-sep { color: var(--text-3); margin: 0 4px; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1280px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr) !important; }
  .grid-2 { grid-template-columns: 1fr !important; }
  .grid-3 { grid-template-columns: 1fr !important; }
}
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr !important; }
  .main-nav { display: none; }
  .topbar { padding: 12px 16px; }
  .main-content { padding: 16px; }
  .topbar-left { gap: 12px; }
}
@media (max-width: 720px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .breadcrumb { display: none; }
  .topbar-right { gap: 8px; }
  .search-box { display: none; }
}