/* Layout: full-screen sea canvas, thin HUD strip on top, harbor ledger as a parchment sheet over the sea.
   Single deliberate theme (night-sea + parchment), so no light/dark switch. */
:root {
  --sea: #0f3f52;
  --sea-deep: #08222d;
  --parch: #efe3c4;
  --parch-2: #e0cc9c;
  --ink: #2a1d10;
  --ink-soft: #6b5638;
  --brass: #c08f2e;
  --blood: #b4412c;
  --kelp: #5b9a56;
  --foam: #f6f1e3;
  --f-display: "IM Fell English SC", "Noto Serif TC", "Iowan Old Style", Georgia, serif;
  --f-ui: "Barlow Semi Condensed", "Noto Sans TC", "Microsoft JhengHei", "Arial Narrow", system-ui, sans-serif;
  --ts: 1;              /* text size setting (js/options.js): 1, 1.15 or 1.3 */
  color-scheme: dark;
}
html, body { height: 100%; }
[hidden] { display: none !important; }
body { background: var(--sea-deep); color: var(--foam); font-family: var(--f-ui); overflow: hidden; overscroll-behavior: none; }
#game { position: fixed; inset: 0; touch-action: none; }
#game canvas { display: block; }

/* HUD */
#hud {
  position: fixed; top: 0; left: 0; right: 0; z-index: 5; pointer-events: none;
  padding-top: calc(env(safe-area-inset-top, 0px) + 10px);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
}
.bars { display: grid; gap: 6px; width: min(46vw, calc(220px * var(--ts))); }
.bar { position: relative; height: calc(18px * var(--ts)); border-radius: 3px; background: rgba(8,34,45,.75); border: 1px solid rgba(246,241,227,.25); overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; width: 100%; transition: width .2s; }
.bar.hp i { background: linear-gradient(#d45a43, var(--blood)); }
.bar.cargo i { background: linear-gradient(#ddb04e, var(--brass)); }
.bar span { position: relative; display: flex; justify-content: space-between; padding: 0 6px; font-size: calc(12px * var(--ts)); line-height: calc(18px * var(--ts)); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; text-shadow: 0 1px 2px #000; font-variant-numeric: tabular-nums; }
.bar.full { border-color: var(--brass); box-shadow: 0 0 0 2px rgba(192,143,46,.45); }
.side { display: grid; justify-items: end; gap: 6px; }
.purse { display: flex; gap: 8px; align-items: baseline; background: rgba(8,34,45,.75); border: 1px solid rgba(246,241,227,.25); border-radius: 3px; padding: 2px 8px; }
.purse small { font-size: calc(11px * var(--ts)); text-transform: uppercase; letter-spacing: .08em; opacity: .75; }
.purse b { font-size: calc(17px * var(--ts)); color: #f0c766; font-variant-numeric: tabular-nums; }
.lang { pointer-events: auto; font: inherit; font-size: calc(13px * var(--ts)); font-weight: 700; color: var(--foam); background: rgba(8,34,45,.75);
  border: 1px solid rgba(246,241,227,.35); border-radius: 3px; padding: 3px 9px; cursor: pointer; justify-self: start; }
.lang.on-sheet { color: var(--ink); background: transparent; border-color: rgba(42,29,16,.35); }
#lv { font-size: calc(12px * var(--ts)); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; opacity: .85; }
#mini { width: 112px; height: 112px; border-radius: 50%; border: 2px solid rgba(192,143,46,.7); background: var(--sea-deep); box-shadow: 0 2px 10px rgba(0,0,0,.4); }

#hint { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(env(safe-area-inset-bottom, 0px) + 18px); z-index: 5; pointer-events: none;
  font-size: calc(14px * var(--ts)); letter-spacing: .04em; background: rgba(8,34,45,.7); padding: 6px 12px; border-radius: 3px; transition: opacity .6s; width: max-content; max-width: calc(100vw - 32px); text-align: center; }
/* the dock ring's prompt, under the ship (the camera follows it): js/mooring.js */
#moor { position: fixed; left: 50%; top: calc(50% + 64px); transform: translateX(-50%); z-index: 6; pointer-events: none; width: max-content; max-width: calc(100vw - 32px);
  font-size: calc(15px * var(--ts)); text-align: center; color: #f6f1e3; background: rgba(8,34,45,.78); border: 1px solid rgba(240,199,102,.45); border-radius: 3px; padding: 5px 12px; }
#moor[hidden] { display: none; }
#toast { position: fixed; left: 50%; top: calc(env(safe-area-inset-top, 0px) + 92px); transform: translateX(-50%); z-index: 11; pointer-events: none;
  font-family: var(--f-display); font-size: calc(22px * var(--ts)); color: var(--foam); text-shadow: 0 2px 6px #000; opacity: 0; transition: opacity .3s; text-align: center; width: max-content; max-width: calc(100vw - 32px); }
#toast.on { opacity: 1; }
/* On narrow screens the chart fills the top-right corner, so toasts drop below it instead of running under it. */
@media (max-width: 560px) { #toast { top: calc(env(safe-area-inset-top, 0px) + 82px + min(124px * var(--mini, 1), 44vw)); font-size: calc(19px * var(--ts)); } }

/* Floating joystick */
#joy { position: fixed; width: 110px; height: 110px; margin: -55px 0 0 -55px; border-radius: 50%; border: 2px solid rgba(246,241,227,.45); background: rgba(246,241,227,.08); z-index: 4; pointer-events: none; }
#joy i { position: absolute; left: 50%; top: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border-radius: 50%; background: rgba(246,241,227,.5); }

/* Harbor ledger */
#port { position: fixed; inset: 0; z-index: 10; display: grid; place-items: center; background: rgba(4,18,24,.55);
  padding-block: calc(env(safe-area-inset-top, 0px) + 12px) calc(env(safe-area-inset-bottom, 0px) + 12px);
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.sheet { width: min(100%, calc(560px * var(--ts))); max-height: 100%; overflow-y: auto; background: var(--parch); color: var(--ink); border-radius: 4px;
  box-shadow: 0 18px 50px rgba(0,0,0,.55), inset 0 0 60px rgba(150,110,50,.25); display: grid; gap: 18px; padding: 20px 20px 0; }
.sheet header { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; border-bottom: 2px solid var(--ink); padding-bottom: 10px; }
.eyebrow { font-size: calc(12px * var(--ts)); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); font-weight: 700; }
.sheet h1 { font-family: var(--f-display); font-weight: 400; font-size: calc(34px * var(--ts)); line-height: 1; margin: 2px 0 0; text-wrap: balance; }
.sheet h2 { font-family: var(--f-display); font-weight: 400; font-size: calc(22px * var(--ts)); margin: 0 0 8px; }
.gold-big { text-align: right; }
.gold-big b { display: block; font-size: calc(26px * var(--ts)); color: #8a5d0c; font-variant-numeric: tabular-nums; }
.msg { margin: 0; font-size: calc(16px * var(--ts)); line-height: 1.4; }
.msg em { font-style: normal; font-weight: 700; color: #8a5d0c; }
.stats { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: calc(14px * var(--ts)); color: var(--ink-soft); font-weight: 600; font-variant-numeric: tabular-nums; }
.stats b { color: var(--ink); }
.hint-s { margin: -4px 0 8px; font-size: calc(14px * var(--ts)); color: var(--ink-soft); }

/* Gun deck (js/deck-art.js): the ship bow-up in the middle column on a canvas, larboard guns left of it, starboard right,
   bow guns above, stern guns below; an SVG leader line runs from each button to its muzzle on the hull. */
.deck { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) var(--shipw, 30%) minmax(0, 1fr);
  grid-template-areas: "bow bow bow" "left ship right" "stern stern stern"; gap: 10px 12px; }
.dk-art, .dk-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.dk-lines line { stroke: var(--ink); stroke-width: 1.2; stroke-linecap: round; }
.dk-lines line.halo { stroke: rgba(239,227,196,.75); stroke-width: 3.4; }
.dk-lines circle { fill: var(--brass); stroke: var(--ink); stroke-width: 1.2; }
.dk-lines .on line:not(.halo) { stroke: var(--blood); stroke-width: 2; }
.dk-lines .on circle { fill: var(--blood); r: 4.5px; }
.dk-ship { grid-area: ship; aspect-ratio: var(--ship-ar, 1 / 2); align-self: center; }
.dk-grp { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 0; }
.dk-bow { grid-area: bow; } .dk-stern { grid-area: stern; }
.dk-left { grid-area: left; align-items: flex-end; } .dk-right { grid-area: right; align-items: flex-start; }
.dk-left, .dk-right { justify-content: center; }
.dk-grp .slots { display: flex; gap: 8px; }
.dk-left .slots, .dk-right .slots { flex-direction: column; gap: 6px; width: min(100%, calc(104px * var(--ts))); }
.dk-left .lbl, .dk-right .lbl { width: min(100%, calc(104px * var(--ts))); text-align: center; }
.dk-bow .slot, .dk-stern .slot { width: calc(84px * var(--ts)); }
.deck .lbl, .bay .lbl { font-size: calc(12px * var(--ts)); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; color: var(--ink-soft); }
.slot { font: inherit; font-size: calc(13px * var(--ts)); font-weight: 700; padding: 8px 4px; border-radius: 3px; border: 1.5px solid var(--ink); background: var(--parch-2); color: var(--ink); cursor: pointer; line-height: 1.15; min-width: 0; }
.slot:hover { background: #ead8aa; }
.slot.empty { border-style: dashed; border-color: rgba(42,29,16,.5); background: rgba(224,204,156,.35); color: var(--ink-soft); font-weight: 600; }
.slot.sel { background: var(--ink); color: var(--parch); box-shadow: 0 0 0 3px var(--brass); }
.slot.sel small { color: rgba(239,227,196,.75); }
/* the picked gun's card and the gun store (js/gunbay.js), between the gun deck and the armory */
#gunSel:empty { display: none; }
.gcard { margin-top: 12px; padding: 10px 12px; border: 1.5px solid var(--brass); border-radius: 4px; background: rgba(224,204,156,.4);
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; }
.gcard .nm { font-size: calc(17px * var(--ts)); font-weight: 700; }
.gcard .nm small { font-weight: 600; font-size: calc(13px * var(--ts)); color: var(--ink-soft); margin-left: 6px; }
.gcard .ds { grid-column: 1 / -1; font-size: calc(13px * var(--ts)); color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.gcard .ds b { color: var(--ink); } .gcard .ds .up { color: #2f6b2b; }
.gcard .hint-s { grid-column: 1 / -1; margin: 2px 0 0; }
.gcard > .hint-s:only-child { margin: 0; }
.gacts { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.gacts .btn { min-width: 0; }
.btn.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.bay { margin-top: 14px; padding-top: 10px; border-top: 1px dashed rgba(42,29,16,.35); }
.bay .lbl { margin-bottom: 6px; }
.bay .slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(calc(84px * var(--ts)), 1fr)); gap: 6px; }
.bay .hint-s { margin: 0; }
.slot small { display: block; font-weight: 500; font-size: calc(11px * var(--ts)); color: var(--ink-soft); }

.list { display: grid; gap: 8px; }
.item { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 10px 0; border-top: 1px solid rgba(42,29,16,.25); }
.item:first-child { border-top: 0; }
.item .nm { font-size: calc(17px * var(--ts)); font-weight: 700; }
.item .nm small { font-weight: 600; font-size: calc(13px * var(--ts)); color: var(--ink-soft); margin-left: 6px; }
.item .ds { grid-column: 1; font-size: calc(13px * var(--ts)); color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.item .ds b { color: var(--ink); }
.item .ds .up { color: #2f6b2b; }
.btn { grid-row: 1 / span 2; grid-column: 2; font: inherit; font-weight: 700; font-size: calc(15px * var(--ts)); min-width: 104px; padding: 9px 12px; border-radius: 3px; cursor: pointer;
  border: 0; background: var(--ink); color: var(--parch); font-variant-numeric: tabular-nums; }
.btn:disabled { background: rgba(42,29,16,.25); color: rgba(42,29,16,.6); cursor: default; }
.btn.max { background: transparent; color: var(--ink-soft); border: 1.5px solid rgba(42,29,16,.3); }
button:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }

.sheet footer { position: sticky; bottom: 0; z-index: 3; margin: 0 -20px; padding: 12px 20px calc(12px + env(safe-area-inset-bottom, 0px) * 0); background: linear-gradient(transparent, var(--parch) 30%); display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.sail { font-family: var(--f-display); font-size: calc(24px * var(--ts)); padding: 8px 28px; border: 0; border-radius: 3px; background: var(--blood); color: var(--foam); cursor: pointer; box-shadow: 0 3px 0 #6e2416; }
.sail:active { transform: translateY(2px); box-shadow: 0 1px 0 #6e2416; }
.textbtn { font: inherit; font-size: calc(13px * var(--ts)); background: none; border: 0; color: var(--ink-soft); text-decoration: underline; cursor: pointer; padding: 6px 0; }

@media (prefers-reduced-motion: reduce) { .bar i, #toast, #hint { transition: none; } }
@media (max-width: 420px) { .deck { column-gap: 8px; } .sheet h1 { font-size: calc(28px * var(--ts)); } }

/* Big desktop screens: the sea is framed like 1280x720 (js/view.js), so the overlays grow with it instead of shrinking
   into the corners. Whole-box zoom keeps fixed-width bars and their text in proportion. #bossArrow is placed in CSS
   pixels by script, so it stays unzoomed. */
@media (min-width: 1500px) and (min-height: 900px) {
  #hud, #hint, #toast, #coach, #achToast, #bossBar, #seaBanner, #port, #title, #pause, #logbook, #victory, #wanted { zoom: 1.25; }
}
@media (min-width: 2400px) and (min-height: 1300px) {
  #hud, #hint, #toast, #coach, #achToast, #bossBar, #seaBanner, #port, #title, #pause, #logbook, #victory, #wanted { zoom: 1.5; }
}