/* ============================================================
   Garden Plaza — Key Plans (/key-plans) and Unit Types (/unit-types)
   Loaded after site.css; uses its tokens (--bg, --panel, --ink, --muted, --line, --green, motion scale).
   Drawings sit on a light "paper" stage so their own colours read correctly on the dark site.
   Behaviour lives in plans.js. Without JavaScript every tower / unit type is shown, stacked.
   ============================================================ */
.page-plans{--paper:#fff;--paper-ink:#1c2321}
.page-plans .section{scroll-margin-top:176px}
.page-plans .section[data-plan-panel]{padding-top:30px}
.page-plans .section[hidden]{display:none}
.plan-lock{overflow:hidden}

/* ---- Tower tabs (key plans): sticky under the site header ---- */
.plan-tabs{position:sticky;top:100px;z-index:10;background:rgba(11,15,13,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.plan-tabs .container{display:flex;justify-content:center;gap:4px;overflow-x:auto}
.plan-tabs .tab{flex-direction:column;gap:0;line-height:1.25;padding:10px 20px;min-height:56px;justify-content:center;white-space:nowrap;margin-bottom:0}
.plan-tabs .tab small{font-weight:400;font-size:12px}
.plan-tabs .tab[aria-current="true"]{color:var(--green);border-bottom-color:var(--green)}

/* ---- Layout: drawing beside its facts ---- */
.plan-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:0 0 16px}
.plan-head h2{margin:0;font-size:clamp(22px,3vw,28px);font-weight:800;letter-spacing:-.01em}
.plan-head p{margin:0;color:var(--muted);font-size:15px}
.plan-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:22px;align-items:start}
.plan-side{display:grid;gap:16px}
.plan-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.plan-card h3{margin:0 0 12px;font-size:17px}
.plan-ref{color:var(--muted);font-size:13px;margin:12px 0 0}

/* ---- Viewer ---- */
.plan-viewer{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.plan-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:10px;border-bottom:1px solid var(--line)}
.plan-bar .sp{flex:1}
.plan-bar [hidden]{display:none}
.plan-bar .btn-sm{min-height:44px}
.pz-btn{width:44px;height:44px;flex:none;display:inline-grid;place-items:center;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:10px;font:800 20px/1 inherit;cursor:pointer;
  transition:border-color var(--dur-fast),color var(--dur-fast),transform 120ms var(--ease-out)}
.pz-btn:hover{border-color:var(--green);color:var(--green)}
.pz-btn:active{transform:scale(.97)}
.pz-btn:disabled,.plan-bar .btn:disabled{opacity:.4;cursor:default;pointer-events:none}
.plan-frame{position:relative;background:var(--paper)}
.plan-stage{position:relative;overflow:hidden;background:var(--paper);touch-action:pan-y;cursor:zoom-in;outline-offset:-3px}
.plan-stage.is-zoomed{touch-action:none;cursor:grab}
.plan-stage.is-dragging{cursor:grabbing}
.plan-stage img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:contain;transform-origin:0 0;-webkit-user-drag:none;user-select:none}
.plan-hint{margin:0;padding:8px 12px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
/* Unit types: fixed-height stage shared by the 2D plan and the 3D canvas, so nothing shifts when they swap */
.plan-viewer[data-unit] .plan-stage{height:min(70vh,620px)}
/* Without JavaScript the drawing is an ordinary responsive image */
html:not(.js) .plan-stage{aspect-ratio:auto!important;height:auto!important;cursor:default}
html:not(.js) .plan-stage img{position:static;height:auto}

/* Full screen (fixed overlay; works where the Fullscreen API does not) */
.plan-viewer.is-full{position:fixed;inset:0;z-index:200;border-radius:0;border:0}
.plan-viewer.is-full .plan-frame{flex:1;min-height:0;display:flex}
.plan-viewer.is-full .plan-stage{flex:1;aspect-ratio:auto!important;height:auto!important}

/* ---- 2D / 3D switch ---- */
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
.seg button{appearance:none;border:0;background:none;color:var(--muted);font:700 14px/1 inherit;padding:0 16px;min-height:42px;cursor:pointer;transition:background var(--dur-fast),color var(--dur-fast)}
.seg button + button{border-left:1px solid var(--line)}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--green);color:#05130d}

/* ---- 3D view (three.js canvas from /unittypes/web/viewer3d.js) ---- */
.v3d{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity var(--dur-slow) ease,visibility 0s var(--dur-slow)}
.is-3d .v3d{opacity:1;visibility:visible;transition-delay:0s}
.v3d-canvas{position:absolute;inset:0;overflow:hidden;background:#edf0ea}
.v3d-canvas canvas{display:block}
.v3d-label{font:700 11px/1.2 Arial,Helvetica,sans-serif;color:#222;background:rgba(255,255,255,.82);padding:2px 6px;border-radius:3px;white-space:nowrap}
.v3d-status{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:2;background:rgba(11,15,13,.86);color:var(--ink);font-size:13px;padding:8px 16px;border-radius:999px;white-space:nowrap;pointer-events:none}
.v3d-status:empty{display:none}
.v3d-bar{display:none;flex-wrap:wrap;gap:8px 16px;align-items:center;padding:10px;border-top:1px solid var(--line);font-size:14px}
.is-3d .v3d-bar{display:flex}
.v3d-bar label{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--ink);cursor:pointer}
.v3d-bar input{width:18px;height:18px;accent-color:var(--green)}

/* ---- Layout variants (unit types): drop-down on the drawing, and the crossfade when the layout changes ---- */
.plan-variant{position:absolute;right:10px;top:10px;z-index:3;display:inline-flex;align-items:center;gap:6px;max-width:calc(100% - 20px);padding:0;
  background:rgba(11,15,13,.92);border:1px solid var(--line);border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.2);
  color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;transition:border-color var(--dur-fast)}
.plan-variant select{min-width:0;min-height:44px;padding:0 10px;background:transparent;color:var(--ink);border:0;border-radius:9px;
  font-family:inherit;font-size:14px;font-weight:700;letter-spacing:0;text-transform:none;text-overflow:ellipsis;cursor:pointer;color-scheme:dark}
/* the word "Layout" is kept for screen readers only: the options already say what the control is */
.plan-variant span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.plan-variant select option{background:#121815;color:#fff}
/* Green only while a real pointer rests on it (hover sticks after a tap on touch screens) or while the keyboard is on it.
   plans.js lets go of the focus after a tap or click, so no frame is left behind once a layout is chosen. */
@media(hover:hover){.plan-variant:hover{border-color:var(--green)}}
/* the select fills the whole chip (the chip has no padding), so its focus ring is the chip's full outer frame */
.plan-variant select:focus-visible{outline:2px solid var(--green);outline-offset:1px}
.plan-ghost,.v3d-snap{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:1;transition:opacity 320ms ease}
.plan-ghost.is-out,.v3d-snap.is-out{opacity:0}
.plan-card[hidden]{display:none}
@media(max-width:820px){
  .plan-variant select{font-size:16px}   /* 16px: iOS does not zoom the page when the list opens */
}

/* ---- Floor finder (key plans) ---- */
.floor-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.floor{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;background:var(--bg);
  transition:border-color var(--dur-fast),box-shadow var(--dur-fast)}
.floor__main{display:block;padding:11px 14px;text-align:left;min-height:56px}
button.floor__main{appearance:none;border:0;background:none;color:inherit;font:inherit;cursor:pointer;width:100%;border-radius:12px}
.floor__main b{display:block;font-size:15px}
.floor__main span{display:block;color:var(--muted);font-size:13px}
.floor__type{margin-right:12px;white-space:nowrap}
a.tag{display:inline-flex;align-items:center;min-height:32px;padding:2px 12px;transition:background var(--dur-fast)}
a.tag:hover{background:rgba(51,201,140,.28)}
.floor:hover{border-color:rgba(51,201,140,.5)}
.floor.is-on{border-color:var(--green);box-shadow:inset 4px 0 0 var(--green)}

/* ---- Legends ---- */
.plan-legend{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;font-size:14px}
.plan-legend i{display:inline-block;width:24px;height:15px;border:1px solid rgba(255,255,255,.55);border-radius:2px;vertical-align:-2px;margin-right:9px}

/* ---- Unit type picker ---- */
.type-nav{padding:30px 0 0}
.type-picker{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.type-card{display:grid;grid-template-columns:104px minmax(0,1fr);grid-template-rows:auto 1fr;column-gap:12px;row-gap:2px;align-items:start;padding:10px;background:var(--panel);border:1px solid var(--line);border-radius:14px;color:var(--ink);
  transition:border-color var(--dur-fast),transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast)}
.type-card__img{display:block;grid-row:1 / span 2;aspect-ratio:4/3;background:var(--paper);border-radius:8px;overflow:hidden}
.type-card__img img{width:100%;height:100%;object-fit:contain}
.type-card b{font-size:17px;align-self:end;padding-top:6px}
.type-card span{color:var(--muted);font-size:13px;line-height:1.45}
.type-card[aria-current="true"]{border-color:var(--green);box-shadow:0 0 0 1px var(--green)}
@media(hover:hover){.type-card:hover{border-color:var(--green);transform:translateY(-2px)}}

/* ---- Facts ---- */
.facts{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px 16px;font-size:15px}
.facts dt{color:var(--muted)}
.facts dd{margin:0;font-weight:600}
.facts ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.facts a{color:var(--green)} .facts a:hover{text-decoration:underline}
.facts .tbc{color:var(--muted);font-weight:400}

/* ---- Cross-link card ---- */
.plan-cross{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.plan-cross + .plan-cross{margin-top:14px}
.plan-cross b{display:block;font-size:17px}
.plan-cross span{color:var(--muted);font-size:15px}

@media(max-width:900px){
  .plan-layout{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:1100px){
  /* picker becomes a sticky row of chips */
  .type-nav{position:sticky;top:100px;z-index:10;padding:0;background:rgba(11,15,13,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .type-picker{display:flex;gap:8px;overflow-x:auto;padding:10px 0}
  .type-card{display:flex;align-items:center;flex:none;gap:8px;padding:0 16px 0 10px;min-height:44px;border-radius:999px}
  .type-card > span:not(.type-card__img){display:none}
  .type-card__img{flex:none;width:30px;border-radius:5px}   /* a very small plan preview inside the chip */
  .type-card b{font-size:15px;white-space:nowrap;padding:0;align-self:center}   /* centre: the card layout's align-self:end must not carry over */
  .type-card[aria-current="true"]{background:var(--green);color:#05130d}
}
@media(max-width:820px){
  .plan-tabs{top:64px}
  .type-nav{top:64px}
  .plan-tabs .container{justify-content:flex-start;padding:0 10px}
  .plan-tabs .tab{padding:10px 14px}
  .page-plans .section{scroll-margin-top:132px}
  .plan-viewer[data-unit] .plan-stage{height:min(70vh,92vw)}
}
@media(prefers-reduced-motion:reduce){
  .plan-stage img{transition:none!important}
  .type-card:hover{transform:none}
}