/* LeanFlow Shift. Tokens come from /public/css/light.css. */

.shift-page { background: var(--paper); }
.shift-page [hidden] { display: none !important; }
.shift-page .band.slim .page-header { padding: 14px 24px; }
.header-links { display: flex; align-items: center; gap: 24px; }
.page-header .back-link.try-3d { color: var(--accent); }
.page-header .back-link.try-3d:hover { color: #FFFFFF; }
.try-3d-card { display: inline-block; margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--accent-strong); }
.try-3d-card:hover { color: var(--navy); }
@media (max-width: 600px) { .header-links .back-link:not(.try-3d) { display: none; } }

.play { max-width: 1440px; margin: 0 auto; padding: 18px 16px 40px; }

/* Board and controls side by side on wide screens, stacked on narrow ones. */
.play-area { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-items: start; }
@media (min-width: 1000px) {
  .play-area { grid-template-columns: minmax(0, 1fr) 340px; }
  .play-area.no-panel { grid-template-columns: minmax(0, 1fr); }
  .play-area .panel { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow-y: auto; }
  .play-area .result-head { font-size: 22px; }
}

/* ----- HUD ----- */
.hud {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 10px;
}
.stepper { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; counter-reset: step; }
.stepper li {
  counter-increment: step;
  font-size: 13px; font-weight: 600; color: var(--faint);
  padding: 6px 12px 6px 8px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card);
}
.stepper li::before {
  content: counter(step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; margin-right: 6px; border-radius: 50%;
  background: var(--paper); color: var(--faint); font-size: 11px;
}
.stepper li.on { color: var(--navy); border-color: var(--accent-border); background: var(--accent-soft); }
.stepper li.on::before { background: var(--accent); color: #FFFFFF; }

.hud-right { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.pill {
  font-size: 13px; font-weight: 600; color: var(--navy);
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px; font-variant-numeric: tabular-nums;
}
.pill.done { color: var(--green); border-color: #BBE5C8; background: var(--green-soft); }
.speed { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: var(--card); }
.speed button {
  font: inherit; font-size: 13px; font-weight: 600; color: var(--muted);
  background: none; border: 0; padding: 6px 11px; cursor: pointer;
}
.speed button.on { background: var(--navy); color: #FFFFFF; }

/* ----- Job card: what the player controls ----- */
.job {
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: 12px; padding: 12px 16px; margin-bottom: 12px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px;
}
.job-text { margin: 0; font-size: 15px; color: var(--navy-ink); flex: 1 1 360px; }
.job-text strong { color: var(--navy); }
.job-you { color: var(--accent-strong); font-weight: 600; }
.job-route { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.route-label { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.route { display: flex; flex-wrap: wrap; gap: 4px; list-style: none; margin: 0; padding: 0; counter-reset: stop; }
.route li {
  counter-increment: stop; font-size: 13px; font-weight: 600; color: var(--navy);
  background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px 3px 4px;
  transition: background 0.15s, border-color 0.15s;
}
.route li::before {
  content: counter(stop);
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; margin-right: 6px; border-radius: 50%;
  background: var(--navy); color: #FFFFFF; font-size: 11px;
}
.route li.on { background: var(--accent-soft); border-color: var(--accent-border); }
.route li.on::before { background: var(--accent); }

/* ----- Time bar and meter ----- */
.live-head { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.timebar { display: flex; height: 14px; border-radius: 999px; overflow: hidden; background: var(--paper); border: 1px solid var(--line); }
.tb-walk { background: var(--accent); transition: width 0.2s; }
.tb-work { background: var(--navy); transition: width 0.2s; }
.tb-wait { background: var(--red); transition: width 0.2s; }
.tb-legend { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; margin: 6px 0 12px; font-size: 13px; font-weight: 600; }
.tb-legend .walk { color: var(--accent-strong); }
.tb-legend .work { color: var(--navy); }
.tb-legend .wait { color: var(--red); }
.meter {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px;
  background: var(--accent-soft); border: 1px solid var(--accent-border); border-radius: 12px;
  padding: 10px 14px; margin-bottom: 12px;
}
.m-label { font-size: 13px; font-weight: 600; color: var(--navy); }
.m-value { font-size: 24px; font-weight: 800; color: var(--accent-strong); font-variant-numeric: tabular-nums; }
.m-note { font-size: 13px; color: var(--muted); }
.m-note.warn { color: var(--red); font-weight: 600; }
.m-purple { color: #6D28D9; }
.m-sub { flex-basis: 100%; font-size: 13px; color: #0F766E; }
.m-sub b { font-variant-numeric: tabular-nums; }

/* ----- Moves left ----- */
.moves { display: flex; align-items: center; gap: 6px; margin: 0 0 10px; }
.mv-label { font-size: 13px; font-weight: 600; color: var(--navy); margin-right: 4px; }
.mv-dot { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--accent-border); background: var(--card); }
.mv-dot.on { background: var(--accent); border-color: var(--accent); }

/* ----- Level picker on the title card ----- */
.levels { display: grid; gap: 8px; margin-top: 18px; text-align: left; }
.level-btn {
  font: inherit; display: grid; grid-template-columns: auto 1fr; gap: 0 10px; align-items: baseline; text-align: left;
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; cursor: pointer;
}
.level-btn .lv-n { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-strong); }
.level-btn .lv-name { font-size: 15px; font-weight: 700; color: var(--navy); }
.level-btn .lv-best { grid-column: 2; font-size: 13px; color: var(--muted); }
.level-btn.on { border-color: var(--accent); background: var(--accent-soft); }
.level-btn:disabled { cursor: not-allowed; opacity: 0.6; }
.level-btn:disabled .lv-n { color: var(--faint); }
.level-pill { color: var(--accent-strong); }
.m-note .up, .delta strong.up { color: var(--green); }
.m-note .down { color: var(--red); }
.coach { font-size: 15px; color: var(--navy-ink); margin: 0 0 12px; }
.coach strong { color: var(--accent-strong); }
.last-line { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.last-line strong { color: var(--navy); }

/* ----- Stage and boards ----- */
.stage { position: relative; display: grid; grid-template-columns: 1fr; gap: 16px; }
.stage.racing { grid-template-columns: 1fr 1fr; }
/* Keep one board short enough that the results panel fits on a laptop screen. */
.stage:not(.racing) .board { width: 100%; max-width: max(520px, calc((100vh - 290px) * 1.73 + 22px)); margin: 0 auto; }
@media (max-width: 860px) { .stage.racing { grid-template-columns: 1fr; } }

.board {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 10px; box-shadow: var(--shadow);
}
.board canvas { display: block; width: 100%; border-radius: 10px; }
.board.arranging canvas { touch-action: none; }
.board-label {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 2px 6px 8px; font-size: 13px; font-weight: 600; color: var(--muted);
}
.board-label strong { color: var(--navy); font-variant-numeric: tabular-nums; }
.board.ghost .board-label strong { color: var(--muted); }

.stage.has-overlay { min-height: 560px; }
.stage.has-overlay .board { min-height: 560px; }

.confetti { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 3; }

/* ----- Overlays ----- */
.overlay {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-items: center; padding: 16px;
  background: rgba(247, 246, 242, 0.72);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  border-radius: 16px;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow-hover); padding: 32px 36px; max-width: 460px; width: 100%;
  text-align: center;
}
.title-card .brand {
  font-size: 13px; font-weight: 700; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--accent-strong);
}
.title-card .wordmark {
  font-size: clamp(56px, 11vw, 96px); font-weight: 800; letter-spacing: 0.08em;
  color: var(--navy); line-height: 1; margin: 6px 0 10px; padding-left: 0.08em;
}
.title-card .tagline {
  font-family: var(--font-serif); font-size: 22px; color: var(--muted); margin-bottom: 26px;
}
.btn-big {
  font: inherit; font-size: 17px; font-weight: 700; color: #FFFFFF;
  background: var(--accent-btn); border: 0; border-radius: 12px;
  padding: 15px 34px; cursor: pointer; box-shadow: 0 6px 18px rgba(234, 88, 12, 0.28);
}
.btn-big:hover { background: var(--accent-btn-hover); }
.best-line { margin-top: 18px; font-size: 14px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; align-items: center; }
.link-btn {
  font: inherit; font-size: 14px; font-weight: 600; color: var(--accent-strong);
  background: none; border: 0; cursor: pointer; padding: 2px;
}
.link-btn:hover { color: var(--navy); }

.intro-card .eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-strong);
}
.intro-card h2 {
  font-family: var(--font-serif); font-weight: 400; font-size: 28px; line-height: 1.2;
  color: var(--navy); margin: 8px 0 12px;
}
.intro-card p { font-size: 15px; color: var(--muted); margin: 0 0 22px; }

/* ----- Panel under the board ----- */
.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 18px 20px; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
/* Order inside the panel: live bar, moves, meter, result, hint, buttons.
   While rearranging, the last shift's summary drops below the buttons. */
#live { order: 1; } #moves { order: 2; } #meter { order: 3; } #result { order: 4; }
#split { order: 3; } #cards { order: 4; } #helper { order: 5; } #toolbar { order: 6; }
.panel.arranging #result { order: 7; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.panel.arranging #result:empty { display: none; }
.panel:empty { display: none; }
.result-head {
  font-family: var(--font-serif); font-weight: 400; font-size: 26px; line-height: 1.2;
  color: var(--navy); margin: 0 0 12px;
}
.result-head.won { color: var(--green); }
.stats { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 12px; }
.stat {
  flex: 1 1 22%; min-width: 130px; background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 10px 14px;
}
.stat span { display: block; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.stat strong { font-size: 22px; color: var(--navy); font-variant-numeric: tabular-nums; }
.stat em { font-style: normal; font-size: 13px; color: var(--muted); margin-left: 4px; }
.stat.ghost strong { color: var(--muted); }
.delta { font-size: 15px; color: var(--navy-ink); margin: 0 0 8px; }
.delta strong.up { color: var(--green); }
.delta strong.down { color: var(--red); }
.best { font-size: 13px; color: var(--muted); margin: 0 0 8px; }
.best strong { color: var(--accent-strong); }
.helper { font-size: 14px; color: var(--muted); margin: 0 0 12px; min-height: 22px; }
.helper.warn { color: var(--red); font-weight: 600; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-main, .btn-alt {
  font: inherit; font-size: 15px; font-weight: 600; border-radius: 10px; padding: 11px 18px; cursor: pointer;
}
.btn-main { color: #FFFFFF; background: var(--accent-btn); border: 1px solid var(--accent-btn); }
.btn-main:hover { background: var(--accent-btn-hover); }
.btn-alt { color: var(--navy); background: var(--card); border: 1px solid var(--line-strong); }
.btn-alt:hover { border-color: var(--navy); }
.btn-main:disabled, .btn-alt:disabled { opacity: 0.45; cursor: not-allowed; }

.play-footer { text-align: center; font-size: 13px; color: var(--faint); padding: 8px 16px 32px; }
.play-footer a { color: var(--muted); }

@media (max-width: 600px) {
  .card { padding: 24px 20px; }
  .board { padding: 4px; border-radius: 12px; }
  .stage.has-overlay { min-height: 0; }
  .stage.has-overlay .board { display: none; }
  .stage.has-overlay .overlay { position: relative; inset: auto; padding: 0; background: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .job { padding: 10px 12px; }
  .job-text { font-size: 14px; }
  .route-label { display: none; }
  .route li { font-size: 12px; }
  .board canvas { border-radius: 8px; }
  .result-head { font-size: 22px; }
  .stepper li { padding: 5px 9px 5px 6px; font-size: 12px; }
}

/* ----- Level 3: two workers ----- */
.bar-label { font-size: 12px; font-weight: 700; color: var(--navy); margin: 2px 0 4px; }
.route li.w1::before { background: var(--accent); }
.route li.w2::before { background: #7C3AED; }
.route li.w2.on { background: #F3EEFF; border-color: #C4B5FD; }
.split { margin: 0 0 12px; }
.split-label { font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.split-label span { font-weight: 500; color: var(--muted); }
.split-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.split-btn {
  font: inherit; display: flex; flex-direction: column; align-items: flex-start; gap: 1px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; cursor: pointer;
  font-size: 12px; font-weight: 600;
}
.split-btn .w1 { color: var(--accent-strong); }
.split-btn .w2 { color: #6D28D9; }
.split-btn.on { border-color: var(--navy); background: var(--card); box-shadow: 0 0 0 1px var(--navy); }

/* ----- Change points and improvement cards ----- */
.moves { flex-wrap: wrap; }
.mv-legend { flex-basis: 100%; font-size: 11px; color: var(--faint); margin-top: 2px; }
.m-sub.warn { color: #B45309; font-weight: 600; }
.cards { margin: 0 0 12px; }
.cards-label { font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.card-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.imp {
  font: inherit; text-align: left; display: flex; flex-direction: column; gap: 2px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 7px 8px; cursor: pointer;
}
.imp strong { font-size: 12px; color: var(--navy); line-height: 1.25; }
.imp:hover:not(:disabled) { border-color: var(--accent-border); }
.imp.on { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent); }
.imp.done { opacity: 0.7; cursor: default; }
.imp-cost { font-size: 11px; font-weight: 700; color: var(--accent-strong); white-space: nowrap; }
.imp.done .imp-cost { color: var(--green); }
.imp-text { font-size: 11px; color: var(--muted); line-height: 1.3; }
/* Never squeeze panel sections into each other when the panel scrolls. */
.panel > * { flex-shrink: 0; }