.atlas-main {
  min-height: 70vh;
  padding: 2.5rem 0 5rem;
}

.atlas-shell {
  --atlas-ink: #17202a;
  --atlas-muted: #5b6673;
  --atlas-line: #d9e1e4;
  --atlas-paper: #fffdf8;
  --atlas-surface: #ffffff;
  --atlas-green: #0d6b5d;
  --atlas-green-dark: #084b42;
  --atlas-soft: #e9f4f1;
  --atlas-warm: #f1a24b;
}

.atlas-shell button,
.atlas-shell input,
.atlas-shell select {
  font: inherit;
}

.atlas-shell button:focus-visible,
.atlas-shell input:focus-visible,
.atlas-shell select:focus-visible,
.atlas-graph-frame:focus-visible,
.atlas-shell a:focus-visible {
  outline: 3px solid rgba(13, 107, 93, 0.35);
  outline-offset: 3px;
}

.atlas-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.atlas-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.7fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
  padding: 3rem 0 2.5rem;
}

.atlas-kicker {
  margin: 0 0 0.75rem;
  color: var(--atlas-green);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.15em;
}

.atlas-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.7rem, 7.4vw, 6.6rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

.atlas-lead {
  max-width: 760px;
  margin: 1.7rem 0 0;
  color: var(--atlas-muted);
  font-size: clamp(1.02rem, 2vw, 1.25rem);
  line-height: 1.75;
}

.atlas-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--atlas-line);
  border-left: 1px solid var(--atlas-line);
}

.atlas-stats div {
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.72);
  border-right: 1px solid var(--atlas-line);
  border-bottom: 1px solid var(--atlas-line);
}

.atlas-stats dt {
  color: var(--atlas-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.atlas-stats dd {
  margin: 0.15rem 0 0;
  color: var(--atlas-ink);
  font-size: 2rem;
  font-weight: 850;
  line-height: 1.1;
}

.atlas-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding: 0.35rem;
  background: #f0f2f1;
  border: 1px solid var(--atlas-line);
  border-radius: 0.8rem;
  scrollbar-width: thin;
}

.atlas-tabs button {
  flex: 1 0 auto;
  min-height: 46px;
  padding: 0.62rem 1rem;
  color: var(--atlas-muted);
  background: transparent;
  border: 0;
  border-radius: 0.56rem;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 750;
}

.atlas-tabs button[aria-selected="true"] {
  color: var(--atlas-green-dark);
  background: var(--atlas-surface);
  box-shadow: 0 2px 8px rgba(23, 32, 42, 0.08);
}

.atlas-tabs [data-progress-badge] {
  display: inline-grid;
  place-items: center;
  min-width: 1.55rem;
  height: 1.55rem;
  margin-left: 0.25rem;
  padding: 0 0.35rem;
  color: var(--atlas-green-dark);
  background: var(--atlas-soft);
  border-radius: 999px;
  font-size: 0.78rem;
}

.atlas-loading,
.atlas-error,
.atlas-noscript {
  margin: 2rem 0;
  padding: 2rem;
  text-align: center;
  background: var(--atlas-surface);
  border: 1px solid var(--atlas-line);
  border-radius: 1rem;
}

.atlas-loading {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  color: var(--atlas-muted);
}

.atlas-loader {
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid #b9cec9;
  border-top-color: var(--atlas-green);
  border-radius: 50%;
  animation: atlas-spin 750ms linear infinite;
}

@keyframes atlas-spin {
  to { transform: rotate(360deg); }
}

.atlas-error h2,
.atlas-noscript h2 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
}

.atlas-error p,
.atlas-noscript p {
  margin: 0;
  color: var(--atlas-muted);
}

.atlas-error button,
.atlas-progress-actions button,
.atlas-filter-reset,
.atlas-route-paper,
.atlas-related-button {
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  color: var(--atlas-green-dark);
  background: var(--atlas-surface);
  border: 1px solid #b9cec9;
  border-radius: 0.58rem;
  cursor: pointer;
  font-weight: 700;
}

.atlas-error button:hover,
.atlas-progress-actions button:hover,
.atlas-filter-reset:hover,
.atlas-route-paper:hover,
.atlas-related-button:hover {
  background: var(--atlas-soft);
}

.atlas-view {
  padding-top: 1.7rem;
}

.atlas-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(180px, 0.45fr) auto;
  gap: 0.8rem;
  align-items: end;
  padding: 1rem;
  background: var(--atlas-surface);
  border: 1px solid var(--atlas-line);
  border-radius: 0.9rem;
}

.atlas-toolbar label {
  display: grid;
  gap: 0.35rem;
  color: var(--atlas-muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.atlas-toolbar input,
.atlas-toolbar select {
  width: 100%;
  min-height: 46px;
  padding: 0.55rem 0.75rem;
  color: var(--atlas-ink);
  background: #fff;
  border: 1px solid #cbd4d8;
  border-radius: 0.55rem;
}

.atlas-result-count {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--atlas-muted);
  font-size: 0.86rem;
}

.atlas-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  margin: 1rem 0;
}

.atlas-legend-item {
  display: inline-flex;
  gap: 0.38rem;
  align-items: center;
  color: var(--atlas-muted);
  font-size: 0.8rem;
}

.atlas-legend-dot {
  width: 0.65rem;
  height: 0.65rem;
  background: var(--track-color);
  border-radius: 50%;
}

.atlas-map-intro {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  justify-content: space-between;
  margin: 1rem 0 0.7rem;
  color: var(--atlas-muted);
  font-size: 0.87rem;
}

.atlas-map-intro p {
  max-width: 720px;
  margin: 0;
}

.atlas-map-actions {
  display: grid;
  flex: none;
  gap: 0.55rem;
  justify-items: end;
}

.atlas-scroll-hint {
  color: var(--atlas-green);
  font-weight: 700;
}

.atlas-focus-open,
.atlas-focus-detail-jump,
.atlas-focus-close {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  border-radius: 0.58rem;
  cursor: pointer;
  font-weight: 800;
}

.atlas-focus-open {
  color: #fff;
  background: var(--atlas-green-dark);
  border: 1px solid var(--atlas-green-dark);
}

.atlas-focus-open:hover {
  background: var(--atlas-green);
  border-color: var(--atlas-green);
}

.atlas-focus-detail-jump,
.atlas-focus-close {
  color: var(--atlas-green-dark);
  background: #fff;
  border: 1px solid #aebfbb;
}

.atlas-focus-detail-jump:hover,
.atlas-focus-close:hover {
  background: var(--atlas-soft);
}

.atlas-focus-detail-jump:disabled {
  color: #7d878c;
  background: #eef0f0;
  border-color: #d5dadd;
  cursor: not-allowed;
}

.atlas-focus-close span {
  font-size: 1.25rem;
  line-height: 1;
}

.atlas-explorer {
  position: relative;
}

.atlas-focus-workspace {
  min-width: 0;
}

.atlas-focus-bar {
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-width: 0;
  padding: 0.7rem 1rem;
  background: rgba(255, 253, 248, 0.97);
  border-bottom: 1px solid var(--atlas-line);
}

.atlas-focus-bar > div {
  display: grid;
  min-width: 0;
}

.atlas-focus-bar .atlas-focus-controls {
  display: flex;
  flex: none;
  gap: 0.5rem;
  align-items: center;
}

.atlas-focus-kicker {
  color: var(--atlas-green);
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.atlas-focus-bar strong {
  overflow: hidden;
  color: var(--atlas-ink);
  font-size: 1rem;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.atlas-focus-active {
  overflow: hidden;
  overscroll-behavior: none;
}

.atlas-explorer.is-focus-mode {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  padding:
    env(safe-area-inset-top, 0)
    env(safe-area-inset-right, 0)
    env(safe-area-inset-bottom, 0)
    env(safe-area-inset-left, 0);
  background: #eef2f1;
}

.atlas-explorer.is-focus-mode .atlas-focus-bar {
  display: flex;
}

.atlas-explorer.is-focus-mode .atlas-focus-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(360px, 30vw, 480px);
  gap: 0.7rem;
  min-height: 0;
  padding: 0.7rem;
}

.atlas-explorer.is-focus-mode .atlas-graph-frame {
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  border-radius: 0.7rem;
}

.atlas-explorer.is-focus-mode .atlas-empty {
  grid-column: 1;
  grid-row: 1;
  display: grid;
  place-items: center;
  min-height: 0;
  margin: 0;
}

.atlas-explorer.is-focus-mode .atlas-detail {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  min-height: 0;
  height: 100%;
  margin: 0;
  padding: 1rem;
  overflow: auto;
  border-radius: 0.7rem;
  overscroll-behavior: contain;
}

.atlas-explorer.is-focus-mode .atlas-detail-head,
.atlas-explorer.is-focus-mode .atlas-detail-grid,
.atlas-explorer.is-focus-mode .atlas-relations {
  grid-template-columns: 1fr;
}

.atlas-explorer.is-focus-mode .atlas-detail h2 {
  font-size: clamp(1.35rem, 2.1vw, 1.9rem);
}

.atlas-explorer.is-focus-mode .atlas-detail-grid {
  gap: 0.7rem;
  margin-top: 1rem;
}

.atlas-explorer.is-focus-mode .atlas-relations {
  gap: 0.9rem;
  margin-top: 1rem;
  padding-top: 1rem;
}

.atlas-graph-frame {
  position: relative;
  height: min(72vh, 780px);
  min-height: 560px;
  overflow: auto;
  background:
    linear-gradient(rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.88)),
    repeating-linear-gradient(90deg, transparent 0 47px, #edf0f1 47px 48px);
  border: 1px solid var(--atlas-line);
  border-radius: 0.9rem;
  overscroll-behavior: contain;
}

.atlas-graph {
  position: relative;
  min-width: 100%;
}

.atlas-year-axis {
  position: sticky;
  top: 0;
  z-index: 7;
  height: 2.1rem;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.94) 78%, rgba(255, 255, 255, 0) 100%);
}

.atlas-year-label {
  position: absolute;
  top: 0.65rem;
  transform: translateX(-50%);
  color: #77818a;
  font-size: 0.72rem;
  font-weight: 700;
}

.atlas-year-line {
  position: absolute;
  top: 2.1rem;
  bottom: 0;
  width: 1px;
  background: #e8ecee;
}

.atlas-track-band {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px solid #e5e9eb;
}

.atlas-track-band:nth-of-type(even) {
  background: rgba(241, 244, 244, 0.38);
}

.atlas-track-label {
  position: sticky;
  left: 0.7rem;
  z-index: 5;
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  max-width: 135px;
  margin: 0.55rem 0 0 0.7rem;
  padding: 0.28rem 0.5rem;
  color: var(--atlas-ink);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--atlas-line);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  backdrop-filter: blur(8px);
}

.atlas-track-label::before {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--track-color);
  border-radius: 50%;
  content: "";
}

.atlas-edge-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: visible;
  pointer-events: none;
}

.atlas-edge {
  fill: none;
  stroke: #a8b3b7;
  stroke-width: 1.25;
  opacity: 0.34;
}

.atlas-edge.is-connected {
  stroke: var(--atlas-green);
  stroke-width: 2.3;
  opacity: 0.92;
}

.atlas-node {
  position: absolute;
  z-index: 2;
  width: 168px;
  min-height: 66px;
  padding: 0.55rem 0.6rem 0.55rem 0.72rem;
  overflow: hidden;
  color: var(--atlas-ink);
  text-align: left;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #d3dade;
  border-left: 5px solid var(--track-color);
  border-radius: 0.62rem;
  box-shadow: 0 5px 14px rgba(23, 32, 42, 0.08);
  cursor: pointer;
  transition: opacity 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.atlas-node:hover,
.atlas-node:focus-visible {
  z-index: 4;
  transform: translateY(-2px);
  box-shadow: 0 9px 20px rgba(23, 32, 42, 0.15);
}

.atlas-node.is-selected {
  z-index: 4;
  border-color: var(--atlas-green-dark);
  border-left-color: var(--track-color);
  box-shadow: 0 0 0 3px rgba(13, 107, 93, 0.19), 0 12px 24px rgba(23, 32, 42, 0.14);
}

.atlas-node.is-dimmed {
  opacity: 0.25;
}

.atlas-node-year {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--atlas-muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.atlas-node-title {
  display: -webkit-box;
  margin-top: 0.25rem;
  overflow: hidden;
  font-size: 0.73rem;
  font-weight: 780;
  line-height: 1.28;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.atlas-status-dot {
  width: 0.58rem;
  height: 0.58rem;
  background: #d7dde0;
  border: 1px solid #aab4b9;
  border-radius: 50%;
}

.atlas-status-dot[data-status="queued"] { background: #e8b44d; border-color: #b17a12; }
.atlas-status-dot[data-status="skimmed"] { background: #7eacd0; border-color: #477d9f; }
.atlas-status-dot[data-status="studied"] { background: #45a48e; border-color: #18715e; }
.atlas-status-dot[data-status="explainable"] { background: #7966b3; border-color: #55418e; }

.atlas-empty {
  margin: 1rem 0;
  padding: 2rem;
  color: var(--atlas-muted);
  text-align: center;
  background: var(--atlas-surface);
  border: 1px solid var(--atlas-line);
  border-radius: 0.9rem;
}

.atlas-detail {
  margin-top: 1rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--atlas-surface);
  border: 1px solid var(--atlas-line);
  border-radius: 1rem;
  box-shadow: 0 12px 28px rgba(23, 32, 42, 0.05);
}

.atlas-detail-placeholder {
  padding: 1rem 0;
  text-align: center;
}

.atlas-detail-placeholder h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
}

.atlas-detail-placeholder p:last-child {
  color: var(--atlas-muted);
}

.atlas-detail-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.34fr);
  gap: 1.5rem;
}

.atlas-paper-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 0.75rem;
}

.atlas-paper-meta span {
  padding: 0.2rem 0.55rem;
  color: var(--atlas-muted);
  background: #f1f3f4;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
}

.atlas-paper-meta .atlas-track-chip {
  color: #fff;
  background: var(--track-color);
}

.atlas-detail h2 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.55rem);
  overflow-wrap: anywhere;
}

.atlas-detail h2:focus-visible {
  outline: 3px solid rgba(13, 107, 93, 0.35);
  outline-offset: 4px;
  border-radius: 0.2rem;
}

.atlas-authors {
  margin: 0.6rem 0 0;
  color: var(--atlas-muted);
}

.atlas-reading-state {
  padding: 1rem;
  background: var(--atlas-soft);
  border: 1px solid #c8dfda;
  border-radius: 0.75rem;
}

.atlas-reading-state label {
  display: grid;
  gap: 0.45rem;
  color: var(--atlas-green-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.atlas-reading-state select {
  width: 100%;
  min-height: 44px;
  padding: 0.45rem 0.6rem;
  color: var(--atlas-ink);
  background: #fff;
  border: 1px solid #aebfbb;
  border-radius: 0.5rem;
}

.atlas-storage-message {
  min-height: 1.3rem;
  margin: 0.4rem 0 0;
  color: #477068;
  font-size: 0.72rem;
  line-height: 1.4;
}

.atlas-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.atlas-detail-grid section {
  padding: 1rem;
  background: #f7f8f8;
  border: 1px solid #e5e9eb;
  border-radius: 0.75rem;
}

.atlas-detail-grid h3,
.atlas-relations h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.atlas-detail-grid p {
  margin: 0;
  color: #46515b;
  font-size: 0.9rem;
  line-height: 1.68;
}

.atlas-detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-top: 1.2rem;
}

.atlas-original-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 0.9rem;
  color: #fff;
  background: var(--atlas-green-dark);
  border-radius: 0.58rem;
  font-weight: 750;
  text-decoration: none;
}

.atlas-original-link:hover {
  color: #fff;
  background: var(--atlas-green);
}

.atlas-tags {
  color: var(--atlas-muted);
  font-size: 0.78rem;
}

.atlas-relations {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--atlas-line);
}

.atlas-relation-list {
  display: grid;
  gap: 0.55rem;
}

.atlas-related-button {
  display: grid;
  gap: 0.15rem;
  width: 100%;
  text-align: left;
}

.atlas-related-button small {
  color: var(--atlas-muted);
  font-size: 0.7rem;
  font-weight: 600;
}

.atlas-relation-empty {
  margin: 0;
  color: var(--atlas-muted);
  font-size: 0.86rem;
}

.atlas-section-head {
  max-width: 840px;
  padding: 2rem 0 1.2rem;
}

.atlas-section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.6rem);
}

.atlas-section-head > p:last-child {
  color: var(--atlas-muted);
}

.atlas-routes {
  display: grid;
  gap: 1rem;
}

.atlas-route {
  padding: clamp(1.2rem, 3vw, 1.8rem);
  background: var(--atlas-surface);
  border: 1px solid var(--atlas-line);
  border-top: 5px solid var(--route-accent);
  border-radius: 0.9rem;
}

.atlas-route-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
}

.atlas-route h3 {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
}

.atlas-route-desc {
  margin: 0.45rem 0 0;
  color: var(--atlas-muted);
}

.atlas-route-count {
  padding: 0.28rem 0.6rem;
  color: var(--atlas-muted);
  background: #f2f4f4;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 750;
  white-space: nowrap;
}

.atlas-route-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 1.15rem;
}

.atlas-route-paper {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
  width: 100%;
  min-height: 58px;
  text-align: left;
}

.atlas-route-index {
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  color: #fff;
  background: var(--route-accent);
  border-radius: 50%;
  font-size: 0.68rem;
}

.atlas-route-title {
  overflow: hidden;
  font-size: 0.78rem;
  line-height: 1.32;
  text-overflow: ellipsis;
}

.atlas-route-paper .atlas-status-dot {
  flex: none;
}

.atlas-route-progress {
  height: 6px;
  margin-top: 1rem;
  overflow: hidden;
  background: #e8ecee;
  border-radius: 999px;
}

.atlas-route-progress span {
  display: block;
  height: 100%;
  width: var(--route-progress);
  background: var(--route-accent);
}

.atlas-progress-head {
  display: flex;
  max-width: none;
  gap: 1.5rem;
  align-items: end;
  justify-content: space-between;
}

.atlas-progress-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding-bottom: 0.3rem;
}

.atlas-progress-actions .danger {
  color: #8d2f2f;
  border-color: #d7b6b6;
}

.atlas-progress-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
}

.atlas-progress-stat {
  padding: 1rem;
  background: var(--atlas-surface);
  border: 1px solid var(--atlas-line);
  border-top: 4px solid var(--status-color);
  border-radius: 0.7rem;
}

.atlas-progress-stat strong {
  display: block;
  font-size: 1.8rem;
  line-height: 1.1;
}

.atlas-progress-stat span {
  color: var(--atlas-muted);
  font-size: 0.76rem;
}

.atlas-progress-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.atlas-progress-paper {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.9rem;
  background: var(--atlas-surface);
  border: 1px solid var(--atlas-line);
  border-radius: 0.7rem;
}

.atlas-progress-paper > span:first-child {
  width: 0.75rem;
  height: 0.75rem;
  background: var(--status-color);
  border-radius: 50%;
}

.atlas-progress-paper strong {
  display: block;
  font-size: 0.9rem;
  line-height: 1.4;
}

.atlas-progress-paper small {
  color: var(--atlas-muted);
}

.atlas-progress-paper button {
  min-height: 40px;
  padding: 0.4rem 0.65rem;
  color: var(--atlas-green-dark);
  background: transparent;
  border: 1px solid #c8d4d1;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 700;
}

.atlas-progress-empty {
  grid-column: 1 / -1;
  padding: 2.5rem;
  color: var(--atlas-muted);
  text-align: center;
  background: var(--atlas-surface);
  border: 1px dashed #cbd4d8;
  border-radius: 0.8rem;
}

.atlas-method {
  margin-top: 4.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--atlas-line);
}

.atlas-method > h2 {
  max-width: 730px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.7rem);
}

.atlas-method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.atlas-method-grid > div {
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--atlas-line);
  border-radius: 0.75rem;
}

.atlas-method-grid h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.atlas-method-grid p {
  margin: 0;
  color: var(--atlas-muted);
  font-size: 0.88rem;
  line-height: 1.68;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .atlas-hero {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .atlas-stats {
    max-width: 620px;
  }

  .atlas-toolbar {
    grid-template-columns: minmax(0, 1fr) minmax(180px, 0.55fr);
  }

  .atlas-filter-reset {
    grid-column: 1 / -1;
  }

  .atlas-detail-grid,
  .atlas-method-grid {
    grid-template-columns: 1fr;
  }

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

  .atlas-progress-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .atlas-explorer.is-focus-mode .atlas-focus-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 58fr) minmax(0, 42fr);
    gap: 0.45rem;
    padding: 0.45rem;
  }

  .atlas-explorer.is-focus-mode .atlas-graph-frame,
  .atlas-explorer.is-focus-mode .atlas-empty {
    grid-column: 1;
    grid-row: 1;
  }

  .atlas-explorer.is-focus-mode .atlas-detail {
    grid-column: 1;
    grid-row: 2;
    padding: 0.9rem;
  }
}

@media (max-width: 680px) {
  .atlas-main {
    padding-top: 1rem;
  }

  .atlas-hero {
    padding-top: 1.7rem;
  }

  .atlas-hero h1 {
    font-size: clamp(2.65rem, 15vw, 4.4rem);
  }

  .atlas-toolbar,
  .atlas-detail-head,
  .atlas-relations {
    grid-template-columns: 1fr;
  }

  .atlas-map-intro,
  .atlas-progress-head {
    display: block;
  }

  .atlas-map-actions {
    justify-items: start;
    margin-top: 0.75rem;
  }

  .atlas-scroll-hint {
    display: block;
  }

  .atlas-graph-frame {
    height: 68vh;
    min-height: 500px;
  }

  .atlas-route-list,
  .atlas-progress-list {
    grid-template-columns: 1fr;
  }

  .atlas-progress-actions {
    margin-top: 1rem;
  }

  .atlas-progress-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 420px) {
  .atlas-stats {
    grid-template-columns: 1fr 1fr;
  }

  .atlas-stats div {
    padding: 0.8rem;
  }

  .atlas-tabs button {
    padding-inline: 0.75rem;
  }

  .atlas-focus-bar {
    padding: 0.55rem 0.7rem;
  }

  .atlas-focus-bar strong {
    font-size: 0.88rem;
  }

  .atlas-focus-bar > div:first-child {
    display: none;
  }

  .atlas-focus-bar .atlas-focus-controls {
    width: 100%;
    justify-content: flex-end;
  }

  .atlas-focus-detail-jump,
  .atlas-focus-close {
    min-height: 44px;
    padding: 0.4rem 0.55rem;
    font-size: 0.75rem;
  }
}

@media (max-width: 900px) and (max-height: 620px) {
  .atlas-explorer.is-focus-mode .atlas-focus-workspace {
    grid-template-rows: minmax(0, 52fr) minmax(0, 48fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .atlas-loader {
    animation: none;
  }

  .atlas-node {
    transition: none;
  }
}