/* ─── Reset ───────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Base ────────────────────────────────────────────────────────────────── */
body {
  font-family: 'Libre Baskerville', Georgia, serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  min-width: 850px;
  display: flex;
  flex-direction: column;
  font-size: 13px;
}

/* ─── Scrollbars ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar         { height: 5px; width: 5px; }
::-webkit-scrollbar-track   { background: var(--color-chrome); }
::-webkit-scrollbar-thumb   { background: var(--color-border); border-radius: 3px; }

/* ─── Interactive bar (SVG drag targets) ─────────────────────────────────── */
.bar                        { cursor: grab; }
.bar:hover .bar-fill        { filter: brightness(1.1); }
.bar:active                 { cursor: grabbing; }
.rh                         { cursor: ew-resize; opacity: 0; transition: opacity .12s; }
.bar:hover .rh              { opacity: 1; }

/* ─── Milestone drag ─────────────────────────────────────────────────────── */
.ms                         { cursor: grab; }
.ms:active                  { cursor: grabbing; }

/* ─── Row hover actions ──────────────────────────────────────────────────── */
.rl:hover .ra               { opacity: 1; }
.ra                         { opacity: 0; transition: opacity .12s; }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn                        { border: none; cursor: pointer; transition: opacity .12s; font-family: inherit; }
.btn:hover                  { opacity: 0.75; }

/* ─── Form fields ────────────────────────────────────────────────────────── */
input, select               { background: transparent; border: none; outline: none; font-family: inherit; color: inherit; }

/* ─── Drag handle ────────────────────────────────────────────────────────── */
.pdh                        { cursor: ns-resize; opacity: 0; transition: opacity .12s; flex-shrink: 0; }
.rl:hover .pdh              { opacity: 0.45; }
.pdh:hover                  { opacity: 0.9 !important; }

/* ─── Dimmed state ───────────────────────────────────────────────────────── */
.dimmed                     { opacity: 0.35; }

/* ─── Collapse chevron ───────────────────────────────────────────────────── */
.chevron                    { display: block; margin-left: 2px; cursor: pointer; opacity: 0.45; transition: opacity .12s, transform .18s; flex-shrink: 0; }
.chevron:hover              { opacity: 0.85; }
.chevron.open               { transform: rotate(0deg); }
.chevron.closed             { transform: rotate(-90deg); }

/* ─── App title ──────────────────────────────────────────────────────────── */
.app-title {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: .02em;
}

/* ─── App chrome: top bar ────────────────────────────────────────────────── */
#topbar {
  background: var(--color-chrome);
  border-bottom: 1px solid var(--color-border);
  padding: 7px 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* ─── App chrome: meta bar ───────────────────────────────────────────────── */
#metabar {
  padding: 5px 18px;
  background: var(--color-chrome-dark);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: 'DM Sans', sans-serif;
}

/* ─── App chrome: main grid ──────────────────────────────────────────────── */
#main-grid {
  flex: 1;
  overflow: auto;
  display: flex;
  position: relative;
  min-height: 0;
}

/* ─── Label column ───────────────────────────────────────────────────────── */
#label-col {
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  background: #EBEBEB;
  position: sticky;
  left: 0;
  z-index: 10;
  overflow: visible;
  position: relative; /* intentional override: relative so drop-indicator positions correctly */
}

/* ─── Label column resize handle ─────────────────────────────────────────── */
#resize-handle {
  width: 4px;
  flex-shrink: 0;
  cursor: col-resize;
  background: transparent;
  position: sticky;
  z-index: 11;
  transition: background .15s;
}

/* ─── SVG scroll container ───────────────────────────────────────────────── */
#svg-wrap {
  flex: 1;
  overflow: auto;
}

/* ─── App chrome: legend bar ─────────────────────────────────────────────── */
#legend-bar {
  background: var(--color-chrome);
  border-top: 1px solid var(--color-border);
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
}

/* ─── Debug panel ────────────────────────────────────────────────────────── */
#form {
  padding: 12px 18px;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}
.form__label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 6px;
}
#project-json {
  width: 100%;
  height: 160px;
  font-family: monospace;
  font-size: 10px;
  color: var(--color-text-mid);
  background: var(--color-chrome);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 8px;
  resize: vertical;
  outline: none;
}

/* ─── Reorder ghost (drag preview) ──────────────────────────────────────── */
#reorder-ghost {
  display: none;
  pointer-events: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  border-radius: 4px;
  opacity: 0.92;
  background: var(--color-phase-row);
  box-shadow: 0 4px 14px rgba(30,20,10,0.18);
  /* width, top, border-bottom set inline — depend on S.labelW, mouse position, phase.color */
}

/* ─── Modals: shared overlay ─────────────────────────────────────────────── */
.modal-overlay {
  display: none; /* shown by JS: modal.style.display = "flex" */
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
#milestone-modal { background: rgba(0,0,0,0.32); }
#confirm-modal   { background: rgba(0,0,0,0.35); }
#publish-modal   { background: rgba(0,0,0,0.35); }

/* ─── Modals: shared inner panel ─────────────────────────────────────────── */
.modal-inner {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px 32px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  font-family: 'DM Sans', sans-serif;
  width: 500px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   DESIGN TOKENS
   Keep colors in sync with the JS C palette object.
   Keep heights in sync with JS: ROW_H=32, PHASE_H=36, MONTH_H=20, HEADER_H=44
   ═══════════════════════════════════════════════════════════════════════════ */
:root {
  /* Colors */
  --color-bg:           #F2F2F2;
  --color-chrome:       #E8E8E8;
  --color-chrome-dark:  #DCDCDC;
  --color-border:       #C4C4C4;
  --color-border-faint: #D8D8D8;
  --color-phase-row:    #E4E4E4;
  --color-text:         #242424;
  --color-text-mid:     #5A5A5A;
  --color-text-faint:   #909090;
  --color-accent:       #5A6E8A;
  --color-danger:       #C03030;
  --color-drop-line:    #5A6E8A;

  /* Heights */
  --phase-h:      36px;
  --row-h:        32px;
  --col-header-h: 64px; /* MONTH_H(20) + HEADER_H(44) */
}

/* ─── Top bar: components ────────────────────────────────────────────────── */
.topbar-project-select {
  padding: 3px 8px 3px 10px;
  font-size: 12px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-chrome);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
  outline: none;
  max-width: 220px;
}
.topbar-spacer { flex: 1; }

.view-toggle {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  overflow: hidden;
}
.view-toggle__btn {
  padding: 3px 11px;
  font-size: 11px;
  font-family: 'DM Sans', sans-serif;
  text-transform: capitalize;
  border: none;
  background: transparent;
  color: var(--color-text-mid);
}
.view-toggle__btn + .view-toggle__btn { border-left: 1px solid var(--color-border); }
.view-toggle__btn--active             { background: var(--color-accent); color: #fff; }

.topbar-btn {
  padding: 3px 11px;
  font-size: 11px;
  font-family: 'DM Sans', sans-serif;
  color: var(--color-text-mid);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  background: transparent;
}
.topbar-btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ─── Meta bar: components ───────────────────────────────────────────────── */
.metabar-field              { display: flex; align-items: center; gap: 5px; }
.metabar-field--gap         { margin-right: 20px; }
.metabar-field--clickable   { cursor: pointer; }
.metabar-field--clickable:hover .metabar-field__value { text-decoration: underline; }
.metabar-field__label       { font-size: 10px; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: .07em; }
.metabar-field__value       { font-size: 12px; color: var(--color-text); font-family: 'DM Sans', sans-serif; }
.metabar-spacer             { flex: 1; }
.metabar-btn--add-phase {
  padding: 2px 10px;
  font-size: 11px;
  font-family: 'DM Sans', sans-serif;
  background: var(--color-accent);
  color: #fff;
  border-radius: 4px;
}
.metabar-btn--add-event {
  padding: 2px 10px;
  font-size: 11px;
  font-family: 'DM Sans', sans-serif;
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

/* ─── Label column: header ───────────────────────────────────────────────── */
.label-col-header {
  height: var(--col-header-h);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 10px 7px;
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.label-col-header__title { flex: 1; }

/* ─── Small accent buttons (add phase / add row / add milestone) ─────────── */
.label-col-header__add-btn,
.phase-actions__add-row,
.milestones-header__add-btn {
  font-size: 10px;
  padding: 1px 4px;
  color: var(--color-accent);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 3px;
}
.label-col-header__add-btn:hover,
.milestones-header__add-btn:hover { border-color: var(--color-accent); }

/* ─── Label column: phase rows ───────────────────────────────────────────── */
.phase-row {
  height: var(--phase-h);
  display: flex;
  align-items: center;
  padding: 0 6px 0 3px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-phase-row);
  gap: 3px;
}
.phase-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 3px;
  /* background set inline — phase.color is user-defined */
}
.phase-label-input {
  flex: 1;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text);
  font-family: 'DM Sans', sans-serif;
  min-width: 0;
}
.phase-actions           { display: flex; gap: 2px; }
.phase-actions__delete   { font-size: 10px; padding: 1px 4px; color: var(--color-danger); background: transparent; border: 1px solid var(--color-danger); border-radius: 3px; }
.phase-label-text {
  flex: 1;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text);
  font-family: 'DM Sans', sans-serif;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.phase-chevron-placeholder { width: 14px; } /* spacer when phase has no rows */

/* ─── Label column: drag handle (inside phase row) ──────────────────────── */
/* SVG circles rendered inline — no extra CSS class needed */

/* ─── Label column: sub-rows ─────────────────────────────────────────────── */
.sub-row {
  height: var(--row-h);
  display: flex;
  align-items: center;
  padding: 0 8px 0 16px;
  border-bottom: 1px solid var(--color-border-faint);
  gap: 5px;
}
.sub-row-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  opacity: 0.7;
  flex-shrink: 0;
  /* background set inline — phase.color is user-defined */
}
.sub-row-input      { flex: 1; font-size: 11px; color: var(--color-text-mid); font-family: 'DM Sans', sans-serif; min-width: 0; }
.sub-row-date-badge { flex-shrink: 0; width: 32px; font-size: 10px; color: var(--color-text-faint); font-family: 'DM Sans', sans-serif; letter-spacing: .01em; }
.sub-row-delete     { font-size: 10px; padding: 1px 3px; color: var(--color-danger); background: transparent; border: none; }
.sub-row-label-text { flex: 1; font-size: 11px; color: var(--color-text-mid); font-family: 'DM Sans', sans-serif; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── Label column: milestones section ──────────────────────────────────── */
.milestones-header {
  height: var(--phase-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-phase-row);
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-mid);
}
.milestones-header__title { flex: 1; }
.milestone-row {
  height: var(--row-h);
  display: flex;
  align-items: center;
  padding: 0 8px 0 16px;
  border-bottom: 1px solid var(--color-border-faint);
  gap: 5px;
}
.milestone-icon              { flex-shrink: 0; overflow: visible; }
.milestone-icon--clickable   { cursor: pointer; }
.milestone-date-badge        { flex-shrink: 0; width: 32px; font-size: 10px; color: var(--color-text-faint); font-family: 'DM Sans', sans-serif; cursor: pointer; letter-spacing: .01em; }
.milestone-row-delete        { font-size: 10px; padding: 1px 3px; color: var(--color-danger); background: transparent; border: none; }
.milestone-label-text        { flex: 1; font-size: 11px; color: var(--color-text-mid); font-family: 'DM Sans', sans-serif; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.milestone-label-text--clickable { cursor: pointer; }
.milestone-row--indented { padding-left: 28px; }

/* ─── Milestone groups ───────────────────────────────────────────────────── */
.group-row {
  height: var(--row-h);
  display: flex;
  align-items: center;
  padding: 0 8px 0 8px;
  border-bottom: 1px solid var(--color-border-faint);
  gap: 5px;
  background: rgba(0,0,0,0.025);
}

/* ─── Drop indicator ─────────────────────────────────────────────────────── */
.drop-indicator {
  display: none;
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--color-drop-line);
  z-index: 20;
  border-radius: 1px;
  pointer-events: none;
}
.drop-indicator__dot {
  position: absolute;
  left: -4px; top: -4px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-drop-line);
}

/* ─── Reorder ghost: inner content ──────────────────────────────────────── */
.reorder-ghost__inner {
  height: var(--phase-h);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 7px;
}
.reorder-ghost__dot   { width: 8px; height: 8px; border-radius: 50%; /* background set inline — phase.color */ }
.reorder-ghost__label { font-family: 'DM Sans', sans-serif; font-size: 12px; font-weight: 500; color: var(--color-text); }

/* ─── Modal: inner content components ───────────────────────────────────── */
.modal-title          { font-family: 'Libre Baskerville', Georgia, serif; font-size: 14px; font-weight: 700; color: var(--color-text); margin-bottom: 10px; }
.modal-title--lg-gap  { margin-bottom: 22px; }
.modal-body           { font-size: 12px; color: var(--color-text-mid); line-height: 1.6; margin-bottom: 24px; }
.modal-body strong    { color: var(--color-text); }
.modal-footer         { display: flex; justify-content: flex-end; }
.modal-footer--gap    { gap: 8px; }
.modal-field          { margin-bottom: 16px; }
.modal-field--lg-gap  { margin-bottom: 26px; }
.modal-field__label   { font-size: 10px; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 5px; }
.modal-field__input         { width: 100%; font-size: 13px; color: var(--color-text); background: var(--color-chrome); border: 1px solid var(--color-border); border-radius: 5px; padding: 7px 10px; font-family: 'DM Sans', sans-serif; outline: none; }
.modal-field__input--color  { height: 36px; padding: 3px 5px; cursor: pointer; }
.modal-type-row       { display: flex; gap: 6px; flex-wrap: wrap; }
.modal-type-btn       { display: flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 5px; font-size: 11px; background: var(--color-chrome); border: 1px solid var(--color-border); color: var(--color-text-mid); }
/* Active state: background, border-color, color set inline — depends on each milestone type's icon color */
.modal-url-box        { background: var(--color-chrome); border: 1px solid var(--color-border); border-radius: 5px; padding: 10px 14px; font-family: monospace; font-size: 13px; color: var(--color-accent); word-break: break-all; margin-bottom: 24px; user-select: all; cursor: text; }
.modal-desc           { font-size: 12px; color: var(--color-text-mid); margin-bottom: 14px; line-height: 1.6; }
.modal-btn--cancel    { padding: 5px 16px; font-size: 12px; color: var(--color-text-mid); background: var(--color-chrome); border: 1px solid var(--color-border); border-radius: 5px; }
.modal-btn--delete    { padding: 5px 16px; font-size: 12px; color: #fff; background: var(--color-danger); border: none; border-radius: 5px; }
.modal-btn--done      { padding: 6px 20px; font-size: 12px; color: #fff; background: var(--color-accent); border: none; border-radius: 5px; }

/* ─── Legend: components ─────────────────────────────────────────────────── */
.legend-label         { font-family: 'DM Sans', sans-serif; font-size: 9px; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: .08em; flex-shrink: 0; }
.legend-divider       { width: 1px; height: 14px; background: var(--color-border); flex-shrink: 0; }
.legend-items         { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.legend-item          { display: flex; align-items: center; gap: 5px; }
.legend-swatch        { width: 22px; height: 7px; border-radius: 2px; flex-shrink: 0; /* background set inline — item.color */ }
.legend-icon          { flex-shrink: 0; overflow: visible; }
.legend-item-label    { font-size: 10.5px; color: var(--color-text-mid); font-family: 'DM Sans', sans-serif; }

/* ─── SVG: text label styles (applied via setAttribute("class", ...)) ──── */
.svg-text-month     { font-family: 'DM Sans', sans-serif; font-size: 9.5px; fill: var(--color-text-mid); font-weight: 500; letter-spacing: .04em; }
.svg-text-period    { font-family: 'DM Sans', sans-serif; font-size: 9px;   fill: var(--color-text-mid); }
.svg-text-bar       { font-family: 'DM Sans', sans-serif; font-size: 10.5px; font-weight: 500; pointer-events: none; user-select: none; }
.svg-text-bar--inside  { fill: rgba(255,255,255,0.95); }
.svg-text-bar--outside { fill: var(--color-text-mid); }
.svg-text-row          { font-family: 'DM Sans', sans-serif; font-size: 9.5px; pointer-events: none; user-select: none; }
.svg-text-row--inside  { fill: var(--color-text); }
.svg-text-row--outside { fill: var(--color-text-mid); }
.svg-text-milestone    { font-family: 'DM Sans', sans-serif; font-size: 9.5px; fill: var(--color-text-mid); pointer-events: none; user-select: none; }
.svg-text-today        { font-family: 'DM Sans', sans-serif; font-size: 8.5px; fill: #fff; font-weight: 600; letter-spacing: .04em; }

/* ─── Save spinner ───────────────────────────────────────────────────────── */
@keyframes save-spinner-spin { to { transform: rotate(360deg); } }

#save-spinner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 900;
  display: none;
  align-items: center;
  gap: 7px;
  padding: 6px 12px 6px 10px;
  background: var(--color-chrome);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
  pointer-events: none;
}
.save-spinner__ring {
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: save-spinner-spin 0.7s linear infinite;
}
.save-spinner__label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  color: var(--color-text-mid);
}