@import url("https://fonts.googleapis.com/css2?family=Fraunces:wght@500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap");

:root {
  color-scheme: light;
  --bg: #f3f2ee;
  --panel: #ffffff;
  --ink: #131211;
  --line: #131211;
  --muted: #5e5a53;
  --day-width: 132px;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Mono", "Courier New", monospace;
}

.page {
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: 28px 20px 40px;
  display: grid;
  gap: 18px;
}

.page-header {
  display: grid;
  gap: 12px;
}

.return-home {
  justify-self: start;
  display: inline-block;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  padding: 8px 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.return-home:hover,
.return-home:focus-visible {
  background: #111111;
  color: #ffffff;
}

h1 {
  margin: 0;
  font-family: "Fraunces", "Georgia", serif;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  font-weight: 600;
}

.page-header p {
  margin: 0;
  color: var(--muted);
}

.controls {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
  padding: 10px 12px;
}

.controls label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.controls input[type="range"] {
  width: min(300px, 55vw);
}

.controls output {
  font-weight: 600;
}

.chart-panel {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.chart-scroll {
  overflow: auto;
}

.chart-content {
  position: relative;
  width: max-content;
  min-width: 100%;
}

.today-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #e02a2a;
  z-index: 6;
  pointer-events: none;
  transform: translateX(-1px);
  box-shadow: 0 0 0 1px rgba(224, 42, 42, 0.22);
}

.today-line::before {
  content: "Today";
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #e02a2a;
  background: rgba(255, 255, 255, 0.9);
  padding: 2px 4px;
  border: 1px solid rgba(224, 42, 42, 0.35);
}

.gantt-table {
  border-collapse: collapse;
  width: max-content;
  min-width: 100%;
}

.gantt-table th,
.gantt-table td {
  border: 1px solid #222222;
  vertical-align: top;
}

.gantt-table .corner,
.gantt-table .label-head,
.gantt-table .project-cell {
  position: sticky;
  left: 0;
  z-index: 2;
  background: #f9f7f2;
}

.gantt-table .corner {
  z-index: 4;
}

.gantt-table .label-head {
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  width: 250px;
  min-width: 250px;
  padding: 10px;
}

.gantt-table .dates-head {
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-align: center;
  padding: 8px;
  background: #f9f7f2;
}

.gantt-table .date-head {
  width: var(--day-width);
  min-width: var(--day-width);
  padding: 8px 6px;
  text-align: center;
  font-size: 12px;
  background: #f9f7f2;
  white-space: nowrap;
}

.gantt-table .project-cell {
  width: 250px;
  min-width: 250px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.gantt-table .day-cell {
  width: var(--day-width);
  min-width: var(--day-width);
  height: 84px;
  background: #ffffff;
  padding: 6px;
  cursor: pointer;
}

.task-chip {
  width: calc(100% - 20px);
  height: 100%;
  border: 2px solid #161515;
  background: #f7d4d9;
  color: #161515;
  padding: 8px 22px 8px 8px;
  text-align: left;
  font: inherit;
  font-size: 12px;
  line-height: 1.3;
  cursor: pointer;
  position: relative;
  display: block;
  overflow-wrap: anywhere;
}

.task-chip--deadline {
  border-width: 4px;
}

.task-chip-label {
  display: block;
  padding-right: 36px;
}

.task-chip-tools {
  position: absolute;
  top: 4px;
  right: 5px;
  display: flex;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.task-chip:hover .task-chip-tools,
.task-chip:focus-within .task-chip-tools {
  opacity: 1;
  pointer-events: auto;
}

.task-chip-close,
.task-chip-options-trigger {
  width: 14px;
  height: 14px;
  border: 1px solid #161515;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: #161515;
  font-size: 10px;
  font-family: inherit;
  line-height: 1;
  padding: 0;
  text-align: center;
  cursor: pointer;
}

.task-chip-close {
  text-transform: lowercase;
}

.task-chip-options-trigger {
  font-size: 12px;
  line-height: 0;
  padding-bottom: 1px;
}

.task-chip:hover,
.task-chip:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
}

.task-chip-menu {
  position: absolute;
  top: 22px;
  right: 0;
  z-index: 7;
  min-width: 132px;
  border: 1px solid #161515;
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
}

.task-chip-menu-item {
  width: 100%;
  border: 0;
  background: transparent;
  color: #111111;
  font-family: inherit;
  font-size: 11px;
  text-align: left;
  padding: 8px;
  cursor: pointer;
}

.task-chip-menu-item:hover,
.task-chip-menu-item:focus-visible {
  background: #111111;
  color: #ffffff;
}

.detail-panel {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.detail-panel h2 {
  margin: 0;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-panel p {
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 800px) {
  .page {
    padding: 18px 10px 28px;
  }

  .gantt-table .label-head,
  .gantt-table .project-cell {
    width: 190px;
    min-width: 190px;
  }
}