:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-soft: #f0f4f8;
  --text: #18212f;
  --muted: #667085;
  --line: #d8dee8;
  --primary: #0f766e;
  --primary-strong: #115e59;
  --accent: #b7791f;
  --danger: #b42318;
  --shadow: 0 16px 44px rgba(24, 33, 47, 0.09);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 304px minmax(0, 1fr);
  transition: grid-template-columns 180ms ease;
}

.app-shell.is-sidebar-collapsed {
  grid-template-columns: 0 minmax(0, 1fr);
}

.sidebar {
  background: #111827;
  color: #f9fafb;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  overflow: hidden;
  transition: opacity 160ms ease, padding 160ms ease;
}

.app-shell.is-sidebar-collapsed .sidebar {
  opacity: 0;
  padding-left: 0;
  padding-right: 0;
  pointer-events: none;
}

.brand {
  padding: 0 6px 8px;
}

.brand__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.brand__label {
  margin: 0 0 8px;
  color: #99f6e4;
  font-size: 13px;
}

.brand__title {
  margin: 0;
  font-size: 24px;
  line-height: 1.22;
  font-weight: 750;
}

.brand__meta {
  margin: 12px 0 0;
  color: #cbd5e1;
  font-size: 13px;
  line-height: 1.5;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-button {
  width: 100%;
  min-height: 72px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 12px;
  text-align: left;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.nav-button:hover,
.nav-button:focus-visible {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

.nav-button.is-active {
  background: #f9fafb;
  color: #111827;
  border-color: #f9fafb;
}

.nav-button__title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
}

.nav-button__summary {
  display: block;
  margin-top: 5px;
  color: #cbd5e1;
  font-size: 12px;
  line-height: 1.35;
}

.nav-button.is-active .nav-button__summary {
  color: #526071;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-top: 4px;
  background: #f59e0b;
}

.status-dot.is-ready {
  background: #10b981;
}

.sidebar-note {
  margin-top: auto;
  padding: 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #dbeafe;
  font-size: 12px;
  line-height: 1.55;
}

.main {
  position: relative;
  min-width: 0;
  padding: 24px;
}

.icon-button,
.floating-nav-button {
  width: 36px;
  height: 36px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  line-height: 1;
}

.icon-button {
  background: rgba(255, 255, 255, 0.08);
  color: #f9fafb;
}

.icon-button:hover,
.icon-button:focus-visible {
  outline: none;
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.22);
}

.icon-button span {
  font-size: 28px;
  transform: translateY(-1px);
}

.floating-nav-button {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 10;
  background: #111827;
  color: #ffffff;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
}

.app-shell.is-sidebar-collapsed .floating-nav-button {
  opacity: 1;
  pointer-events: auto;
}

.business-line-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.business-line-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.business-line-tabs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border-radius: 8px;
  background: var(--panel-soft);
}

.business-line-tab {
  min-width: 104px;
  min-height: 34px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: #475467;
  cursor: pointer;
  padding: 0 14px;
  font-weight: 700;
}

.business-line-tab:hover,
.business-line-tab:focus-visible {
  outline: none;
  color: var(--primary-strong);
}

.business-line-tab.is-active {
  background: #ffffff;
  color: var(--primary-strong);
  border-color: #c7d7d3;
  box-shadow: 0 3px 12px rgba(24, 33, 47, 0.08);
}

.business-line-tab:disabled {
  cursor: default;
  opacity: 0.9;
}

.business-line-bar.is-locked .business-line-tabs {
  background: transparent;
  padding: 0;
}

.business-line-bar.is-locked .business-line-tab:not(.is-active) {
  display: none;
}

.toolbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.line-kicker {
  margin: 0 0 8px;
  color: var(--primary-strong);
  font-size: 13px;
  font-weight: 800;
}

.toolbar h1 {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.toolbar p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.toolbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.action-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  white-space: nowrap;
}

.action-button:hover,
.action-button:focus-visible {
  outline: none;
  border-color: var(--primary);
  color: var(--primary-strong);
}

.action-button[aria-disabled="true"] {
  color: #98a2b3;
  cursor: not-allowed;
}

.dashboard-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.meta-item {
  min-height: 74px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 13px 14px;
}

.meta-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.meta-value {
  display: block;
  margin-top: 7px;
  font-weight: 700;
  line-height: 1.35;
}

.viewer {
  min-height: calc(100vh - 220px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.powerbi-frame {
  width: 100%;
  height: calc(100vh - 222px);
  min-height: 620px;
  border: 0;
  display: block;
}

.placeholder {
  min-height: calc(100vh - 222px);
  display: grid;
  place-items: center;
  padding: 32px;
}

.placeholder__inner {
  max-width: 620px;
  text-align: center;
}

.placeholder__eyebrow {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  border-radius: 999px;
  background: #fff7ed;
  color: #9a3412;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 700;
}

.placeholder h2 {
  margin: 18px 0 10px;
  font-size: 24px;
}

.placeholder p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.code-path {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--panel-soft);
  color: #344054;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-shell.is-sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .app-shell.is-sidebar-collapsed .sidebar {
    display: none;
  }

  .sidebar {
    position: static;
    padding: 18px;
  }

  .nav-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sidebar-note {
    margin-top: 0;
  }

  .main {
    padding: 18px;
  }

  .business-line-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar-actions {
    justify-content: flex-start;
  }

  .dashboard-meta {
    grid-template-columns: 1fr;
  }

  .powerbi-frame,
  .placeholder,
  .viewer {
    min-height: 560px;
  }
}

@media (max-width: 640px) {
  .brand__title {
    font-size: 21px;
  }

  .nav-list {
    grid-template-columns: 1fr;
  }

  .toolbar h1 {
    font-size: 22px;
  }

  .business-line-tabs {
    width: 100%;
  }

  .business-line-tab {
    flex: 1;
    min-width: 0;
  }

  .action-button {
    width: 100%;
    justify-content: center;
  }
}