/* Gantt: label column + one column per unit (week or day); bars are positioned in percent of the lane. */
.gantt-page .page-subtitle { margin-top: 2px; }
.gantt-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin: var(--space-2) 0 var(--space-3); }
.gantt-scales { display: inline-flex; padding: 2px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.gantt-scale { min-width: 40px; padding: 0 var(--space-3); border-radius: calc(var(--radius) - 2px); text-align: center; font-size: var(--text-sm); line-height: 26px; color: var(--secondary); }
.gantt-scale:hover { color: var(--ink); background: var(--subtle); }
.gantt-scale.is-active { background: var(--selected); color: var(--accent); font-weight: 600; }
.gantt-legend { display: inline-flex; align-items: center; gap: 6px; font-size: var(--text-xs); color: var(--muted); }
.gantt-legend > span { display: inline-block; margin-left: var(--space-2); }
.gantt-legend-bar { width: 18px; height: 8px; border-radius: 4px; background: var(--muted); }
.gantt-legend-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
/* Rows are 28px (user: "상하 폭 더 줄여"); the header is an 18px strip + 24 + 22px. */
.gantt { --gantt-label: 260px; --gantt-row: 28px; --gantt-week-line: color-mix(in srgb, var(--border) 45%, var(--muted)); overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overscroll-behavior-x: contain; }
.gantt-table { position: relative; display: grid; grid-template-columns: var(--gantt-label) repeat(var(--gantt-units), var(--gantt-unit)); min-width: max-content; }
.gantt-head, .gantt-body { display: contents; }
.gantt-row { display: contents; }
.gantt-label { position: sticky; left: 0; z-index: 2; display: flex; align-items: center; gap: var(--space-2); min-height: var(--gantt-row); padding: 0 var(--space-3); background: var(--surface); border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); font-size: var(--text-sm); overflow: hidden; }
.gantt-label a { display: inline-flex; align-items: center; gap: var(--space-2); min-width: 0; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gantt-label a:hover { color: var(--accent); }
.gantt-corner { z-index: 3; justify-content: center; color: var(--muted); font-size: var(--text-xs); }
.gantt-month { display: grid; place-items: center; min-height: 24px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); font-size: var(--text-sm); font-weight: 600; white-space: nowrap; overflow: hidden; }
.gantt-units .gantt-unit { display: grid; place-items: center; min-height: 22px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); color: var(--secondary); font-size: var(--text-xs); font-variant-numeric: tabular-nums; }
.gantt-units .gantt-unit.is-weekend { background: var(--subtle); }
.gantt-units .gantt-unit.is-current { color: var(--accent); font-weight: 700; }
/* Day scale: a stronger rule before every week start, in the header and down the lanes. */
.gantt.is-day .gantt-units .gantt-unit:has(+ .is-week-start) { border-right-color: var(--gantt-week-line); }
.gantt-lane { grid-column: 2 / -1; position: relative; min-height: var(--gantt-row); border-bottom: 1px solid var(--line); background-image: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px var(--gantt-unit)); background-position: -1px 0; }
/* Day scale: fainter day rules plus Saturday/Sunday shading from a seven-day pattern anchored on a Monday. */
.gantt.is-day .gantt-lane { background-image: repeating-linear-gradient(to right, var(--gantt-week-line) 0 1px, transparent 1px calc(7 * var(--gantt-unit))), repeating-linear-gradient(to right, color-mix(in srgb, var(--line) 55%, transparent) 0 1px, transparent 1px var(--gantt-unit)), repeating-linear-gradient(to right, transparent 0 calc(5 * var(--gantt-unit)), color-mix(in srgb, var(--subtle) 70%, transparent) calc(5 * var(--gantt-unit)) calc(7 * var(--gantt-unit))); background-position: calc(-1 * var(--gantt-week-offset) * var(--gantt-unit) - 1px) 0, -1px 0, calc(-1 * var(--gantt-weekend-offset) * var(--gantt-unit)) 0; }
/* The table is exactly label + units × unit wide, so the today line is placed in px from the fraction. */
/* A slim strip above the month row carries the 오늘 chip (user: "오늘 글자가 날짜를 가리지 않게 표 밖으로"). */
.gantt-strip-corner { min-height: 18px; border: 0; }
.gantt-strip-lane { grid-column: 2 / -1; min-height: 18px; }
/* The today rule is 1px (user: "더 얇게") and starts under the header: strip 18 + month 24 + day 22. */
.gantt-today { position: absolute; top: 64px; bottom: 0; left: calc(var(--gantt-label) + var(--gantt-units) * var(--gantt-unit) * var(--gantt-today) - 0.5px); width: 0; border-left: 1px solid var(--accent); z-index: 1; pointer-events: none; }
.gantt-today span { position: absolute; top: -63px; left: 0; transform: translateX(-50%); padding: 0 5px; border-radius: var(--radius-chip); background: var(--accent); color: var(--on-accent); font-size: 10px; line-height: 16px; white-space: nowrap; }
.gantt-project .gantt-label { background: var(--subtle); font-weight: 700; }
.gantt-project .gantt-lane { background-color: var(--subtle); }
.gantt-task.depth-1 .gantt-label { padding-left: var(--space-4); }
.gantt-task.depth-2 .gantt-label { padding-left: 34px; }
.gantt-task.depth-3 .gantt-label { padding-left: 52px; }
.gantt-task.is-done .gantt-label a { color: var(--muted); text-decoration: line-through; }
.gantt-bar { position: absolute; top: 50%; height: 9px; transform: translateY(-50%); border-radius: 5px; background: var(--project-color, var(--accent)); opacity: .85; }
.gantt-bar:hover { opacity: 1; }
.gantt-bar.is-clipped-start { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.gantt-bar.is-clipped-end { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.gantt-bar-text { position: absolute; left: calc(100% + 8px); top: 50%; transform: translateY(-50%); white-space: nowrap; font-size: var(--text-xs); color: var(--muted); }
.gantt-dot { position: absolute; top: 50%; width: 10px; height: 10px; transform: translate(-50%, -50%); border-radius: 50%; background: var(--project-color, var(--accent)); }
.gantt-dot:hover { transform: translate(-50%, -50%) scale(1.25); }
.gantt-dot.is-clipped-start, .gantt-dot.is-clipped-end { border-radius: 2px; opacity: .6; }
.gantt-task.is-done .gantt-bar, .gantt-task.is-done .gantt-dot { opacity: .35; }
.gantt-undated { position: absolute; left: var(--space-3); top: 50%; transform: translateY(-50%); font-size: var(--text-xs); color: var(--muted); }
@media (max-width: 750px) { .gantt { --gantt-label: 168px; } .gantt-toolbar { flex-wrap: wrap; } }