/* Field Lessons — mission-driven tutorial in the Library's cabinet language. */

.app {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 100vh;
}

.bench {
  display: grid;
  grid-template-columns: 292px minmax(520px, 1fr) 286px;
  gap: 14px;
  padding: 14px 14px 0;
  min-height: 0;
}

.mission-index,
.field-notes { max-height: calc(100vh - 190px); }

.chapter-button {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 3px 10px;
  align-items: center;
  width: 100%;
  padding: 11px 14px;
  border: 0;
  border-bottom: 1px solid rgba(164,147,114,.48);
  background: transparent;
  color: var(--ink);
  text-align: left;
}
.chapter-button:hover { background: var(--vellum-hi); }
.chapter-button[aria-current="true"] { background: var(--vellum-low); box-shadow: inset 4px 0 var(--brass); }
.chapter-no {
  grid-row: 1 / 3;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--rule);
  color: var(--brass);
  font: 700 13px var(--serif);
}
.chapter-button.done .chapter-no { color: var(--vellum-hi); border-color: var(--verdigris); background: var(--verdigris); }
.chapter-name { font: 600 15px/1.15 var(--serif); }
.chapter-skill { color: var(--ink-soft); font-size: 12px; }
.chapter-count { grid-column: 3; grid-row: 1 / 3; color: var(--ink-soft); font-size: 11px; font-weight: 700; }

.lesson-stage {
  container-type: inline-size;
  background:
    radial-gradient(ellipse at 48% 28%, rgba(75,62,49,.94), var(--wood) 68%),
    var(--wood);
  border: 1px solid var(--wood-line);
  border-radius: 3px;
  min-height: 620px;
  overflow: auto;
  min-width: 0;
  padding: 18px 22px 26px;
}
.lesson-head { display: flex; justify-content: space-between; gap: 20px; align-items: flex-end; margin-bottom: 16px; }
.lesson-head h1 { margin: 2px 0 3px; color: var(--vellum-hi); font: 600 30px/1.05 var(--serif); }
.lesson-head p { margin: 0; color: var(--on-wood-soft); font-size: 14px; max-width: 620px; }
.lesson-number { color: var(--brass-pale); font-size: 11px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.lesson-score { color: var(--brass-pale); font: 600 22px var(--serif); white-space: nowrap; }
.lesson-score small { display: block; color: var(--on-wood-soft); font: 600 11px var(--narrow); letter-spacing: .12em; text-transform: uppercase; text-align: right; }

.mission-list { display: grid; gap: 12px; }
.mission {
  color-scheme: light;
  display: grid;
  grid-template-columns: minmax(210px, .86fr) minmax(300px, 1.14fr);
  background: var(--vellum);
  color: var(--ink);
  border-radius: 3px;
  box-shadow: 0 7px 18px rgba(0,0,0,.34), inset 0 0 0 1px rgba(255,255,255,.38);
  overflow: hidden;
  min-width: 0;
}
.mission.complete { box-shadow: 0 0 0 2px var(--verdigris), 0 7px 18px rgba(0,0,0,.34); }
.mission-copy { padding: 15px 16px; display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.mission-kicker { color: var(--ink-soft); font-size: 10.5px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.mission h2 { margin: 2px 0 6px; font: 600 21px/1.05 var(--serif); }
.objective { margin: 0; font-size: 15px; line-height: 1.35; }
.cost-line { display: flex; gap: 7px; align-items: center; margin: 10px 0 0; color: var(--ink-soft); font-size: 12.5px; font-weight: 700; }
.token-dot { width: 17px; height: 17px; display: inline-grid; place-items: center; border-radius: 50%; background: var(--brass); color: #1b1610; font-size: 10px; }
.mission-actions { margin-top: auto; padding-top: 14px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.complete-mission[aria-pressed="true"] { background: var(--verdigris); border-color: var(--verdigris); color: var(--vellum-hi); }
.complete-mission[aria-pressed="true"]:hover { background: #42625a; color: var(--vellum-hi); }
.done-word { color: var(--verdigris); font-size: 12px; font-weight: 700; }
.verified-word { color: var(--ink-soft); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }

.mission-visual {
  min-height: 206px;
  padding: 16px;
  display: grid;
  place-items: center;
  background: var(--vellum-low);
  border-left: 1px solid var(--rule);
  min-width: 0;
  overflow: hidden;
}
.diagram { width: 100%; max-width: 440px; min-width: 0; }
.diagram-caption { margin: 10px 0 0; text-align: center; color: var(--ink-soft); font-size: 12px; font-weight: 700; }

.board-grid { display: grid; grid-template-columns: repeat(5, 42px); gap: 5px; justify-content: center; }
.board-grid.three { grid-template-columns: repeat(3, 42px); }
.tile {
  position: relative;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid #8f8168;
  border-radius: 2px;
  background: #d4c8ae;
  color: var(--ink-soft);
  font-size: 11px;
}
.tile.owned { background: #c8d5c7; border-color: var(--verdigris); box-shadow: inset 0 0 0 2px rgba(79,113,104,.28); }
.tile.legal { background: var(--vellum-hi); border-color: var(--brass); box-shadow: 0 0 0 2px rgba(148,118,49,.28); }
.tile.enemy { background: #d9bfc0; border-color: var(--oxblood); }
.tile.route { background: #e0d1a8; border-color: var(--brass); }
.tile.structure { border-radius: 12px; border-width: 2px; }
.tile img { width: 30px; height: 30px; object-fit: contain; }
.tile .step { position: absolute; top: -7px; right: -7px; width: 17px; height: 17px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--vellum-hi); font-size: 10px; font-weight: 700; }

.flow { display: flex; align-items: center; justify-content: center; gap: 9px; flex-wrap: wrap; }
.flow-node { min-width: 76px; padding: 9px 10px; border: 1px solid var(--rule); background: var(--vellum-hi); text-align: center; border-radius: 2px; font-weight: 700; }
.flow-node strong { display: block; font: 600 15px var(--serif); }
.flow-node small { color: var(--ink-soft); }
.flow-arrow { color: var(--brass); font-size: 21px; font-weight: 700; }
.icon-medal { width: 54px; height: 54px; margin: 0 auto 5px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); overflow: hidden; }
.icon-medal.structure-icon { border-radius: 15px; }
.icon-medal img { width: 100%; height: 100%; object-fit: cover; }

.die-net { display: grid; grid-template-columns: repeat(4, 58px); grid-template-rows: repeat(3, 58px); gap: 4px; justify-content: center; }
.die-side { display: grid; place-items: center; padding: 3px; border: 1px solid var(--rule); background: var(--vellum-hi); border-radius: 2px; font-size: 10px; font-weight: 700; text-align: center; }
.die-side.current { box-shadow: 0 0 0 3px var(--verdigris); }
.die-side.target { box-shadow: 0 0 0 3px var(--brass); }
.die-side img { width: 35px; height: 35px; border-radius: 50%; object-fit: cover; }
.p1 { grid-column: 1; grid-row: 2; } .p2 { grid-column: 2; grid-row: 2; }
.p3 { grid-column: 2; grid-row: 1; } .p4 { grid-column: 2; grid-row: 3; }
.p6 { grid-column: 3; grid-row: 2; } .p5 { grid-column: 4; grid-row: 2; }

.resource-row, .influence-stack { display: grid; gap: 6px; }
.resource-row { grid-template-columns: repeat(3, minmax(70px, 1fr)); }
.resource-chip { padding: 7px 5px; text-align: center; border: 1px solid var(--rule); background: var(--vellum-hi); border-radius: 2px; font-size: 11px; font-weight: 700; }
.resource-chip img { width: 38px; height: 38px; display: block; margin: 0 auto 3px; border-radius: 50%; }
.resource-chip.exhausted { opacity: .48; filter: grayscale(.75); }
.resource-chip .state-label { display: block; color: var(--verdigris); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.resource-chip.exhausted .state-label { color: var(--oxblood); }

.state-strip { display: flex; gap: 7px; align-items: center; justify-content: center; flex-wrap: wrap; }
.state-box { padding: 8px 10px; border: 1px solid var(--rule); background: var(--vellum-hi); font-weight: 700; text-align: center; min-width: 68px; }
.state-box small { display: block; color: var(--ink-soft); font-weight: 600; }
.state-box.stop { border-color: var(--oxblood); background: #e1c9c9; }

.influence-stack { width: min(330px, 100%); margin: auto; }
.score-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 7px 10px; background: var(--vellum-hi); border-left: 7px solid var(--brass); }
.score-row:nth-child(2) { border-left-color: var(--verdigris); }
.score-row:nth-child(3) { border-left-color: var(--blue); }
.score-row.total { border-left-color: var(--ink); background: var(--ink); color: var(--vellum-hi); font-weight: 700; }
.condition-lamps { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.condition { padding: 7px 10px; border: 1px solid var(--verdigris); background: #d3ddd5; font-size: 11px; font-weight: 700; }

.rule-toggle { background: none; border: 0; padding: 0; color: var(--blue); font-size: 12px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.rule-detail { grid-column: 1 / -1; padding: 12px 16px; border-top: 1px solid var(--rule); background: var(--vellum-hi); color: var(--ink-soft); font-size: 13px; line-height: 1.45; }
.rule-detail strong { color: var(--ink); }

.note-block { padding: 12px 14px; border-bottom: 1px solid rgba(164,147,114,.5); }
.note-block h3 { margin: 0 0 5px; font: 600 16px var(--serif); }
.note-block p { margin: 0; color: var(--ink-soft); font-size: 12.5px; line-height: 1.45; }
.note-block ul { margin: 5px 0 0; padding-left: 18px; color: var(--ink-soft); font-size: 12.5px; }
.note-block li + li { margin-top: 3px; }
.legend-row { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 9px; align-items: center; margin-top: 7px; color: var(--ink-soft); font-size: 12px; }
.legend-mark { width: 22px; height: 22px; border: 1px solid var(--rule); background: var(--vellum-hi); display: grid; place-items: center; font-weight: 700; }
.legend-mark.green { box-shadow: inset 0 0 0 3px rgba(79,113,104,.42); }
.legend-mark.gold { box-shadow: inset 0 0 0 3px rgba(148,118,49,.42); }
.legend-mark.red { box-shadow: inset 0 0 0 3px rgba(120,58,62,.42); }

.rail { display: grid; grid-template-columns: minmax(220px, auto) minmax(240px, 1fr) auto; gap: 18px; align-items: center; padding: 12px 14px 14px; }
.rail-head { min-width: 235px; }
.rail h3 { margin: 1px 0 0; color: var(--vellum-hi); font: 600 16px var(--serif); }
.rail .eyebrow { color: var(--on-wood-soft); }
.rail-copy { color: var(--on-wood-soft); font-size: 12px; }
.progress-track { height: 12px; background: #4a3d2f; border-radius: 2px; overflow: hidden; }
.progress-track span { display: block; height: 100%; width: 0; background: var(--brass-hi); transition: width .2s ease; }
.chapter-lamps { display: flex; gap: 6px; }
.chapter-lamp { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--wood-line); color: var(--on-wood-soft); font-size: 11px; font-weight: 700; }
.chapter-lamp.lit { background: var(--verdigris); border-color: var(--verdigris-lit); color: var(--vellum-hi); }

@media (max-width: 1160px) {
  .bench { grid-template-columns: 240px minmax(500px, 1fr); }
  .field-notes { display: none; }
}
@media (max-width: 900px) {
  .cab .spacer, .cab #readiness, .cab #reset-progress { display: none; }
  .cab .nav { width: 100%; overflow-x: auto; }
}
@media (max-width: 820px) {
  .bench { grid-template-columns: minmax(0, 1fr); width: 100%; min-width: 0; }
  .lesson-stage, .mission-index { width: 100%; min-width: 0; }
  .lesson-head > div:first-child { min-width: 0; }
  .lesson-head p { max-width: 100%; overflow-wrap: anywhere; }
  .mission-index { max-height: none; }
  .mission-index .folio-body { display: flex; overflow-x: auto; }
  .chapter-button { min-width: 210px; border-right: 1px solid rgba(164,147,114,.48); }
  .lesson-stage { min-height: auto; }
  .mission { grid-template-columns: 1fr; }
  .mission, .mission-visual, .diagram { width: 100%; max-width: 100%; }
  .mission-visual { border-left: 0; border-top: 1px solid var(--rule); }
  .rail { grid-template-columns: 1fr; }
  .chapter-lamps { display: none; }
}
@media (max-width: 520px) {
  .bench { padding: 8px 8px 0; }
  .lesson-stage { padding: 14px 10px 18px; }
  .lesson-head { align-items: flex-start; }
  .lesson-score { display: none; }
  .board-grid { grid-template-columns: repeat(5, 35px); gap: 4px; }
  .board-grid.three { grid-template-columns: repeat(3, 35px); }
  .tile { width: 35px; height: 35px; }
  .resource-row { grid-template-columns: repeat(2, 1fr); }
  .mission-index h2 span { display: none; }
}
@media (prefers-reduced-motion: reduce) { .progress-track span { transition: none; } }