:root {
  --ink: #2b2d42;
  --paper: #edf2f4;
  --alert: #ef233c;
  --muted: #8d99ae;
  --white: #ffffff;
  --line: rgba(43, 45, 66, 0.15);
  --shadow: 0 22px 60px rgba(43, 45, 66, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

body {
  min-height: 100vh;
  margin: 0;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
}

.side-rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  padding: 18px 12px;
  background: var(--ink);
  color: var(--paper);
  border-right: 5px solid var(--alert);
}

.brand {
  display: grid;
  gap: 9px;
  justify-items: center;
  color: var(--paper);
  text-decoration: none;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.rail-nav {
  display: grid;
  align-content: center;
  gap: 10px;
}

.rail-button {
  display: grid;
  gap: 5px;
  width: 100%;
  min-height: 64px;
  padding: 9px 6px;
  border: 1px solid rgba(237, 242, 244, 0.18);
  background: transparent;
  color: var(--paper);
  border-radius: 8px;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.rail-button:hover,
.rail-button.is-active {
  transform: translateX(3px);
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.rail-button span,
.eyebrow,
.node-time,
.node-foot,
.search-box span,
.rail-stamp {
  font-family: "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0;
}

.rail-button span {
  font-size: 10px;
}

.rail-button strong {
  font-size: 11px;
}

.rail-stamp {
  display: grid;
  gap: 4px;
  font-size: 10px;
  text-align: center;
  color: rgba(237, 242, 244, 0.72);
}

.workspace {
  padding: 24px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 54px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin: 22px 0 10px;
  font-size: 14px;
  text-transform: uppercase;
}

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

.search-box {
  display: grid;
  gap: 6px;
  min-width: min(280px, 100%);
}

.search-box span {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--muted);
}

.search-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 42px;
  padding: 0 12px;
  background: var(--white);
  color: var(--ink);
}

.action-button,
.danger-button,
.segmented button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 14px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
}

.danger-button {
  background: var(--alert);
}

.danger-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.alert-strip {
  min-height: 46px;
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 10px 14px;
  background: var(--alert);
  color: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.alert-strip strong {
  font-family: "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
  font-size: 12px;
  white-space: nowrap;
}

.view {
  display: none;
  animation: rise 220ms ease both;
}

.view.is-visible {
  display: block;
}

.operation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 16px;
  align-items: start;
}

.canvas-panel,
.inspector-panel,
.single-panel,
.status-board,
.flow-board {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  margin-bottom: 14px;
}

.panel-head.compact {
  align-items: center;
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.segmented button {
  min-height: 32px;
  padding: 0 10px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.segmented button.is-active {
  background: var(--ink);
  color: var(--paper);
}

.schedule-map {
  position: relative;
  min-height: 620px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
  overflow: hidden;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(43, 45, 66, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(43, 45, 66, 0.07) 1px, transparent 1px),
    #f8fafb;
  background-size: 40px 40px;
}

.schedule-map::before {
  content: "";
  position: absolute;
  inset: 31px 18px auto;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--alert) 0 26px, transparent 26px 38px);
  opacity: 0.88;
}

.event-node {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 9px;
  align-content: start;
  min-height: 154px;
  padding: 14px;
  border: 1px solid rgba(43, 45, 66, 0.14);
  border-left: 6px solid var(--muted);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  text-align: left;
  box-shadow: 0 12px 30px rgba(43, 45, 66, 0.08);
  transform: translateY(8px);
  animation: nodeIn 260ms ease forwards;
  animation-delay: var(--delay);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.event-node:hover,
.event-node.is-selected {
  transform: translateY(0) scale(1.01);
  border-color: var(--ink);
  box-shadow: 0 18px 42px rgba(43, 45, 66, 0.16);
}

.event-node.attention {
  border-left-color: var(--alert);
}

.event-node.blocked {
  background: #2b2d42;
  color: var(--paper);
  border-left-color: var(--alert);
}

.event-node.ready {
  border-left-color: #2f9e71;
}

.event-node strong {
  font-size: 18px;
  line-height: 1.12;
}

.node-time,
.node-meta,
.node-foot {
  font-size: 12px;
}

.node-meta {
  color: inherit;
  opacity: 0.74;
}

.node-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(141, 153, 174, 0.24);
}

.node-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--alert);
}

.node-foot {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  text-transform: uppercase;
}

.event-details {
  min-height: 560px;
}

.muted {
  color: var(--muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.detail-grid div {
  padding: 10px;
  border-radius: 8px;
  background: var(--paper);
}

.detail-grid span,
.file-list span,
.task-row em {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
}

.resource-note {
  margin: 16px 0 0;
  padding: 12px;
  border-left: 4px solid var(--alert);
  background: #fff;
}

.task-list {
  display: grid;
  gap: 8px;
}

.task-row {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.task-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--alert);
}

.task-row.blocked {
  border-color: rgba(239, 35, 60, 0.58);
}

.task-row.done strong {
  text-decoration: line-through;
  color: var(--muted);
}

.file-list {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.file-list li {
  padding: 10px;
  border-radius: 8px;
  background: var(--paper);
}

.analytics-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 16px;
}

.metric-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-tile {
  min-height: 150px;
  display: grid;
  align-content: space-between;
  padding: 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
}

.metric-tile strong {
  font-size: clamp(34px, 5vw, 62px);
  line-height: 0.92;
}

.metric-tile em {
  color: var(--alert);
  font-style: normal;
  font-weight: 800;
}

.workflow-lanes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  min-height: 260px;
  align-items: stretch;
}

.workflow-lanes div {
  display: grid;
  align-content: end;
  gap: 16px;
  min-height: 220px;
  padding: 12px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(239, 35, 60, 0.12), rgba(141, 153, 174, 0.2));
}

.workflow-lanes span {
  font-size: 58px;
  font-weight: 900;
}

.single-panel {
  max-width: 860px;
}

.import-result,
.status-board p {
  color: #4f586d;
}

.import-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.import-grid strong {
  grid-column: 1 / -1;
}

.import-grid span {
  padding: 12px;
  background: var(--paper);
  border-radius: 8px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.status-board {
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(0, 0.55fr);
  gap: 18px;
  align-items: start;
}

.public-feed {
  display: grid;
  gap: 8px;
}

.feed-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) minmax(140px, 0.45fr);
  gap: 10px;
  align-items: center;
  padding: 11px 12px;
  border-radius: 8px;
  background: var(--white);
  border-left: 5px solid var(--muted);
}

.feed-row.attention,
.feed-row.blocked {
  border-left-color: var(--alert);
}

.feed-row time,
.feed-row span {
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  position: relative;
  z-index: 1;
  padding: 22px;
  border-radius: 8px;
  background: var(--white);
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes nodeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1020px) {
  .operation-grid,
  .analytics-layout,
  .status-board {
    grid-template-columns: 1fr;
  }

  .schedule-map {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: static;
    height: auto;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    padding: 10px;
    border-right: 0;
    border-bottom: 5px solid var(--alert);
  }

  .brand {
    grid-auto-flow: column;
    justify-content: start;
  }

  .rail-nav {
    grid-auto-flow: column;
    grid-auto-columns: minmax(62px, 1fr);
    overflow-x: auto;
    align-content: initial;
  }

  .rail-stamp {
    display: none;
  }

  .workspace {
    padding: 14px;
  }

  .topbar,
  .panel-head,
  .alert-strip {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions {
    justify-content: stretch;
  }

  .top-actions > * {
    flex: 1 1 180px;
  }

  .schedule-map,
  .metric-wall,
  .workflow-lanes,
  .import-grid,
  .feed-row {
    grid-template-columns: 1fr;
  }

  .event-node {
    min-height: 136px;
  }

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