/* ui/BuildSheet — contract: ./BuildSheet.spec.md. Tokens from ui/Theme. */

.sp-build {
  --build-ship: var(--sp-accent);
  --build-good: var(--sp-accent-2);
  --build-cost: var(--sp-warn, var(--sp-accent));
  position: fixed;
  z-index: 5;
  top: 16px;
  left: 16px;
  width: min(660px, calc(100vw - 32px));
  max-height: calc(100vh - 150px);
  overflow-y: auto;
  overscroll-behavior: contain;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  grid-template-areas: "head head" "path path" "stats cards";
  align-content: start;
  gap: 10px 18px;
  padding: 12px 16px 14px;
  border: 1px solid color-mix(in srgb, var(--build-ship) 40%, var(--sp-line));
  border-radius: var(--sp-radius);
  background: linear-gradient(160deg, color-mix(in srgb, var(--build-ship) 10%, transparent), transparent 55%), color-mix(in srgb, var(--sp-space-1) 90%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--sp-space-0) 70%, transparent);
  color: var(--sp-text);
  font-family: var(--sp-font-ui);
  font-size: 13px;
  line-height: 1.3;
  text-align: left;
  user-select: none;
  /* A held peek: the mouse aims and fires straight through it. */
  pointer-events: none;
  animation: sp-build-in var(--sp-dur-fast) ease-out;
}
.sp-build[data-interactive="true"] { pointer-events: auto; }

@keyframes sp-build-in {
  from { opacity: 0; transform: translateY(-4px); }
}

.sp-build[data-ship="laser"] { --build-ship: var(--sp-ship-laser); }
.sp-build[data-ship="tracerTank"] { --build-ship: var(--sp-ship-laser); }
.sp-build[data-ship="plasma"] { --build-ship: var(--sp-ship-plasma); }
.sp-build[data-ship="heTank"] { --build-ship: var(--sp-ship-plasma); }
.sp-build[data-ship="rocket"] { --build-ship: var(--sp-ship-rocket); }
.sp-build[data-ship="scatter"] { --build-ship: var(--sp-ship-scatter); }
.sp-build[data-ship="canisterTank"] { --build-ship: var(--sp-ship-scatter); }
.sp-build[data-ship="arc"] { --build-ship: var(--sp-ship-arc); }
.sp-build[data-ship="graviton"] { --build-ship: var(--sp-ship-graviton); }
.sp-build[data-ship="mortarTank"] { --build-ship: var(--sp-ship-graviton); }
.sp-build[data-ship="shuriken"] { --build-ship: var(--sp-ship-shuriken); }
.sp-build[data-ship="gatling"] { --build-ship: var(--sp-ship-gatling); }
.sp-build[data-ship="tesla"] { --build-ship: var(--sp-ship-tesla); }
.sp-build[data-ship="inferno"] { --build-ship: var(--sp-ship-inferno); }
.sp-build[data-ship="flameTank"] { --build-ship: var(--sp-ship-inferno); }
.sp-build[data-ship="warden"] { --build-ship: var(--sp-ship-warden); }
.sp-build[data-ship="harpoon"] { --build-ship: var(--sp-ship-harpoon); }
.sp-build[data-ship="chrono"] { --build-ship: var(--sp-ship-chrono); }
.sp-build[data-ship="fuseTank"] { --build-ship: var(--sp-ship-chrono); }
.sp-build[data-ship="foundry"] { --build-ship: var(--sp-ship-foundry); }

/* ——— the header: what this is, whose it is, how to put it away ——— */
.sp-build__head { grid-area: head; display: flex; align-items: center; gap: 10px; min-width: 0; }
.sp-build__title {
  margin: 0; flex: none;
  font-family: var(--sp-font-display); font-weight: 600; font-size: 14px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--build-ship);
}
.sp-build__ship {
  margin: 0; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 13px; font-weight: 600; color: var(--sp-text-dim);
}
.sp-build__hint { flex: none; }
.sp-build__close {
  flex: none; display: grid; place-items: center; width: 32px; height: 32px; padding: 0;
  border: 1px solid var(--sp-line-strong); border-radius: 50%; background: transparent;
  color: var(--sp-text); font-size: 14px; line-height: 1; cursor: pointer;
}
.sp-build__close:focus-visible { outline: 2px solid var(--build-ship); outline-offset: 2px; }

/* ——— the path: the Hangar form card's words, four in a row ——— */
.sp-build__path {
  grid-area: path; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px;
  margin: 0; padding: 0; list-style: none;
}
.sp-build__step {
  display: flex; flex-direction: column; gap: 1px; min-width: 0; padding: 6px 8px;
  border: 1px solid color-mix(in srgb, var(--build-ship) 45%, var(--sp-line)); border-radius: 8px;
  background: color-mix(in srgb, var(--sp-space-1) 60%, transparent);
}
.sp-build__step[data-taken="false"] { border-style: dashed; border-color: var(--sp-line); opacity: 0.7; }
.sp-build__step[data-tier="3"][data-taken="true"] { border-color: color-mix(in srgb, var(--sp-rarity-legendary) 55%, var(--sp-line)); }
.sp-build__step-label {
  font-family: var(--sp-font-display); font-weight: 600; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--build-ship);
}
.sp-build__step[data-tier="3"] .sp-build__step-label { color: var(--sp-rarity-legendary); }
.sp-build__step[data-taken="false"] .sp-build__step-label { color: var(--sp-text-faint); }
.sp-build__step-name {
  overflow-wrap: anywhere;
  font-family: var(--sp-font-display); font-weight: 600; font-size: 14px; letter-spacing: 0.04em; color: var(--sp-text);
}
.sp-build__step-part { font-size: 12px; font-style: italic; color: var(--sp-text-faint); }
.sp-build__step-level { font-size: 12px; color: var(--sp-text-dim); }
.sp-build__step-passive { margin: 2px 0 0; font-size: 12px; color: var(--sp-text-dim); }

/* ——— the stats: label · base · yours · the change ——— */
.sp-build__stats { grid-area: stats; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.sp-build__group { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; column-gap: 10px; row-gap: 3px; align-items: baseline; }
.sp-build__group-title {
  grid-column: 1 / -1; margin: 0 0 1px;
  font-family: var(--sp-font-display); font-weight: 600; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--sp-text-faint);
}
.sp-build__row { display: contents; }
.sp-build__row-label { grid-column: 1; min-width: 0; color: var(--sp-text); font-size: 13px; white-space: nowrap; }
.sp-build__row-signature { margin-left: 4px; color: var(--build-ship); }
.sp-build__row-value { grid-column: 2; font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.sp-build__row-base { font-size: 12px; color: var(--sp-text-faint); }
.sp-build__row-number { font-weight: 700; color: var(--sp-text); }
.sp-build__row-unit { font-size: 12px; color: var(--sp-text-dim); }
.sp-build__row-detail { display: block; font-size: 12px; font-weight: 400; color: var(--sp-text-dim); }
.sp-build__row-change {
  grid-column: 3; justify-self: start; padding: 0 5px; border-radius: 4px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
  color: var(--build-good); background: color-mix(in srgb, var(--build-good) 12%, transparent);
}
.sp-build__row-change[data-good="false"] { color: var(--build-cost); background: color-mix(in srgb, var(--build-cost) 14%, transparent); }

/* ——— the cards, by tag, and how close each tag is to Resonance ——— */
.sp-build__cards, .sp-build__points { grid-area: cards; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.sp-build__cards-count { color: var(--sp-text-dim); letter-spacing: 0.04em; }
.sp-build__empty { margin: 0; font-size: 13px; color: var(--sp-text-dim); }
.sp-build__tags { display: flex; flex-direction: column; gap: 6px; margin: 0; padding: 0; list-style: none; }
.sp-build__tag-head { display: flex; align-items: baseline; gap: 8px; margin: 0; }
.sp-build__tag-name {
  font-family: var(--sp-font-display); font-weight: 600; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sp-text);
}
.sp-build__tag-count { font-family: var(--sp-font-mono); font-size: 12px; color: var(--sp-text-dim); }
.sp-build__tag-resonance {
  padding: 0 5px; border: 1px solid currentColor; border-radius: 4px;
  font-size: 12px; font-weight: 600; color: var(--sp-accent-2);
}
.sp-build__tag[data-tier="2"] .sp-build__tag-resonance { color: var(--sp-rarity-legendary); }
.sp-build__tag-cards { display: flex; flex-wrap: wrap; gap: 4px; margin: 3px 0 0; padding: 0; list-style: none; }
.sp-build__card {
  --rarity: var(--sp-rarity-common);
  padding: 1px 6px; border-left: 2px solid var(--rarity); border-radius: 3px;
  background: color-mix(in srgb, var(--rarity) 10%, transparent); font-size: 12px; color: var(--sp-text);
}
.sp-build__card[data-rarity="rare"] { --rarity: var(--sp-rarity-rare); }
.sp-build__card[data-rarity="epic"] { --rarity: var(--sp-rarity-epic); }
.sp-build__card[data-rarity="legendary"] { --rarity: var(--sp-rarity-legendary); }
.sp-build__card-stacks { font-weight: 600; color: var(--sp-text-dim); }
.sp-build__point-list { display: flex; flex-direction: column; gap: 2px; margin: 0; padding: 0; list-style: none; }
.sp-build__point { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; }
.sp-build__point-count { color: var(--sp-text-dim); }

/* ——— on a phone: across the top, clear of the sticks ——— */
.sp-build[data-touch="true"] .sp-build__close { width: 44px; height: 44px; }
@media (orientation: portrait) {
  .sp-build[data-touch="true"][data-variant="hud"] {
    top: max(8px, env(safe-area-inset-top));
    left: 8px;
    right: 8px;
    width: auto;
    /* TouchControls spawns its sticks in the bottom 55 %. */
    max-height: calc(45vh - max(8px, env(safe-area-inset-top)));
    overflow-y: auto;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "head" "path" "stats" "cards";
    padding: 10px 12px 12px;
  }
  /* The settings gear keeps its corner. */
  .sp-build[data-touch="true"][data-variant="hud"] .sp-build__head { padding-right: 52px; }
  .sp-build[data-touch="true"] .sp-build__path { gap: 4px; }
  .sp-build[data-touch="true"] .sp-build__step { padding: 4px 6px; }
}
@media (orientation: landscape) {
  .sp-build[data-touch="true"][data-variant="hud"] {
    top: max(8px, env(safe-area-inset-top));
    left: 50%;
    width: min(700px, calc(100vw - 140px));
    transform: translateX(-50%);
    animation: none;
    /* Every part of a landscape screen is a stick zone: the thumbs rest in the bottom corners. */
    max-height: 62vh;
    overflow-y: auto;
    padding: 8px 12px 10px;
    gap: 6px 14px;
  }
  /* Short: each step's tier and name share a line, its part under them. */
  .sp-build[data-touch="true"][data-variant="hud"] .sp-build__step { flex-direction: row; flex-wrap: wrap; align-items: baseline; column-gap: 6px; padding: 4px 8px; }
  .sp-build[data-touch="true"][data-variant="hud"] .sp-build__step-part,
  .sp-build[data-touch="true"][data-variant="hud"] .sp-build__step-passive { flex-basis: 100%; }
}

/* ——— on the results screen: fill the box, scroll inside it ——— */
.sp-build[data-variant="results"] {
  position: static;
  z-index: auto;
  width: auto;
  height: 100%;
  max-height: 100%;
  overflow-y: auto;
  padding: 4px 2px 8px;
  border: 0;
  background: none;
  box-shadow: none;
  backdrop-filter: none;
  animation: none;
}
@media (max-width: 759px) {
  .sp-build[data-variant="results"] { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "path" "stats" "cards"; }
}
@media (max-height: 520px) and (min-width: 600px) {
  .sp-build[data-variant="results"] { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); grid-template-areas: "head head" "path path" "stats cards"; gap: 6px 14px; }
  .sp-build[data-variant="results"] .sp-build__step { flex-direction: row; flex-wrap: wrap; align-items: baseline; column-gap: 6px; padding: 4px 8px; }
  .sp-build[data-variant="results"] .sp-build__step-part,
  .sp-build[data-variant="results"] .sp-build__step-passive { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .sp-build { animation: none; }
}

/* A thumb's ✕ wherever the sheet is drawn, the results screen included, which
   passes no `touch` (docs/premium-pass.md §1.11 rule 1). */
@media (pointer: coarse) {
  .sp-build__close { width: 44px; height: 44px; }
}