:root {
    --panel: rgba(8, 16, 24, 0.72);
    --edge: rgba(255, 255, 255, 0.13);
    --text: #e6eef5;
    --muted: #9fb3c8;
    --accent: #88aadd;
    --gold: #ffd27a;
    --good: #6fe08a;
    --bad: #ff5a4a;
}

* { box-sizing: border-box; }
body {
    margin: 0; overflow: hidden; background: #0b1520; color: var(--text);
    font-family: 'Inter', 'Segoe UI', sans-serif; user-select: none;
}
#canvas-container { width: 100vw; height: 100vh; }
#overlay { position: absolute; inset: 0; pointer-events: none; }
body.playing:not(.captain) #canvas-container canvas { cursor: none; }   /* the gunnery crosshair replaces it */

#loading {
    position: absolute; inset: 0; display: grid; place-items: center; background: #0b1520; z-index: 50;
    font: 600 28px 'Oswald', sans-serif; letter-spacing: 3px; transition: opacity 0.6s;
}
#loading.hidden { opacity: 0; pointer-events: none; }
#gfxReset { position: absolute; inset: 0; display: none; place-items: center; background: rgba(5, 10, 16, 0.85); z-index: 60; text-align: center; font: 600 20px 'Oswald', sans-serif; letter-spacing: 1px; }
#gfxReset.show { display: grid; }
#gfxReset small { font: 400 14px 'Inter', sans-serif; color: var(--muted); }
#fpsMeter { position: absolute; left: 50%; bottom: 4px; transform: translateX(-50%); z-index: 30; font: 11px Consolas, monospace; color: #9fffb4; background: rgba(0, 0, 0, 0.45); padding: 2px 8px; border-radius: 4px; pointer-events: none; }

.panel {
    background: var(--panel); border: 1px solid var(--edge); border-radius: 10px;
    backdrop-filter: blur(6px); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

/* --- HUD (only while playing) --- */
#hud-top, #messages, #helm, #radar, #radarLabel, #keys, #captainPanel, #camLabel { display: none; }
body.playing #hud-top, body.playing #messages, body.playing #helm, body.playing #radar,
body.playing #radarLabel, body.playing #keys, body.playing #camLabel { display: block; }
body.playing.captain #keys, body.playing.captain #camLabel { display: none; }
/* Cinematic cameras (F2-F8): the HUD steps aside, the shot's name shows for a moment */
body.playing.filmcam #hud-top, body.playing.filmcam #helm, body.playing.filmcam #radar, body.playing.filmcam #radarLabel,
body.playing.filmcam #keys, body.playing.filmcam #overlay { display: none; }
body.playing.filmcam #camLabel { transition: opacity 1.2s; }
body.playing.filmcam.filmcam-quiet #camLabel { opacity: 0; }
body.playing.captain #captainPanel { display: block; }
/* Dead in the water (watching), or a shark (sharkLife.js): no ship's instruments */
body.deadview #hud-top, body.deadview #helm, body.deadview #radar, body.deadview #radarLabel, body.deadview #keys,
body.deadview #camLabel, body.deadview #fcPanel, body.deadview #captainPanel { display: none !important; }
body.menu-open #hud-top, body.menu-open #helm, body.menu-open #radar, body.menu-open #radarLabel,
body.menu-open #keys, body.menu-open #captainPanel, body.menu-open #messages { display: none; }

#hud-top { position: absolute; top: 16px; left: 50%; transform: translateX(-50%); display: none; }
body.playing #hud-top { display: flex; gap: 10px; }
#hud-top .stat {
    background: var(--panel); border: 1px solid var(--edge); border-radius: 8px; padding: 6px 14px; text-align: center; min-width: 110px;
}
#hud-top span { display: block; font-size: 10px; letter-spacing: 1.5px; color: var(--accent); font-weight: 700; }
#hud-top b { font: 600 20px 'Oswald', sans-serif; }

#messages { position: absolute; top: 76px; left: 50%; transform: translateX(-50%); width: min(720px, 90vw); text-align: center; pointer-events: none; }
.msg {
    display: inline-block; margin: 3px auto; padding: 5px 14px; border-radius: 6px; font-size: 13px; font-weight: 500;
    background: rgba(8, 16, 24, 0.7); border-left: 3px solid var(--accent); transition: opacity 1.4s; max-width: 100%;
}
#messages .msg { display: table; }
.msg.alert { border-color: var(--bad); color: #ffd6d0; font-weight: 700; }
.msg.warn { border-color: var(--gold); }
.msg.good { border-color: var(--good); }
.msg.fade { opacity: 0; }

#banner {
    position: absolute; top: 32%; left: 50%; transform: translate(-50%, -50%); text-align: center; opacity: 0; pointer-events: none;
    text-shadow: 0 3px 18px rgba(0, 0, 0, 0.7);
}
#banner.show { animation: banner 4.2s ease forwards; }
#bannerTitle { font: 700 54px 'Oswald', sans-serif; letter-spacing: 6px; text-transform: uppercase; }
#bannerSub { font-size: 16px; color: var(--gold); letter-spacing: 2px; }
@keyframes banner { 0% { opacity: 0; letter-spacing: 16px; } 15% { opacity: 1; } 75% { opacity: 1; } 100% { opacity: 0; } }

#camLabel { position: absolute; top: 22px; left: 22px; font-size: 12px; color: var(--muted); letter-spacing: 1px; }
/* Fire-control readout: out at the side of the view, not on the target */
#fcPanel { display: none; position: absolute; top: 48px; left: 22px; padding: 7px 10px; border-radius: 6px; pointer-events: none;
    background: rgba(8, 16, 24, 0.55); border: 1px solid rgba(255, 255, 255, 0.08); font: 11px/1.55 Consolas, monospace; color: #cfe3d4; }
#fcPanel .r { display: flex; gap: 10px; white-space: nowrap; }
#fcPanel .k { color: var(--muted); width: 44px; }
#fcPanel .v.lock { color: #ff8f80; }
#fcPanel .v.rf { color: #ffd27a; }
#fcPanel .v.off { color: #ffb070; }
body.playing #fcPanel.on { display: block; }
body.playing.captain #fcPanel, body.playing.filmcam #fcPanel, body.menu-open #fcPanel { display: none !important; }

#helm { position: absolute; top: 16px; right: 16px; width: 230px; padding: 14px 16px; font-variant-numeric: tabular-nums; }
#helm .row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
#helm .lbl { color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 1.2px; min-width: 68px; }
#helm .big { font: 600 26px 'Oswald', sans-serif; }
#helm .unit { font-size: 12px; color: var(--muted); }
#helm .order { font-size: 15px; font-weight: 700; color: var(--gold); margin: 2px 0 8px; }
#helm .sub { font-size: 12px; color: #cfd9e3; }
#helm .pct { color: var(--text); float: right; }
.rudder-bar, .hull-bar { position: relative; height: 8px; background: rgba(255, 255, 255, 0.12); border-radius: 4px; margin: 6px 0 4px; overflow: visible; }
.rudder-bar::after { content: ''; position: absolute; left: 50%; top: -2px; width: 1px; height: 12px; background: rgba(255, 255, 255, 0.4); }
#rudderNeedle { position: absolute; top: -3px; width: 6px; height: 14px; margin-left: -3px; left: 50%; background: var(--gold); border-radius: 2px; }
#hullBar { height: 100%; width: 100%; border-radius: 4px; background: var(--good); transition: width 0.3s; }

#radar { position: absolute; left: 16px; bottom: 16px; border-radius: 50%; box-shadow: 0 0 0 3px #1c2a22, 0 8px 30px rgba(0, 0, 0, 0.6); }
#radarLabel { position: absolute; left: 16px; bottom: 244px; width: 220px; text-align: center; font-size: 10px; letter-spacing: 2px; color: #7fe3a0; }

#keys { position: absolute; right: 16px; bottom: 16px; padding: 10px 14px; font-size: 11px; color: var(--muted); line-height: 1.7; }
#keys b { color: #fff; }

#captainPanel {
    position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); min-width: 560px; text-align: center; pointer-events: none;
    font-family: Consolas, monospace; background: rgba(6, 12, 18, 0.62); padding: 10px 18px; border-radius: 10px; border: 1px solid var(--edge);
}
#cpStation { color: var(--accent); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; }
#cpRange { font-size: 16px; font-weight: 700; margin-top: 4px; }
#cpBearing { font-size: 13px; color: #cfd9e3; margin-top: 2px; }
#cpGuns { margin-top: 8px; display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
#cpGuns .gun { border: 1px solid; border-radius: 5px; padding: 3px 8px; font-size: 12px; font-weight: 700; min-width: 64px; }
#cpGuns .gun small { font-size: 10px; font-weight: 500; }
#cpHelp { margin-top: 8px; font-size: 11px; color: var(--muted); }

/* --- Menus --- */
.screen { position: absolute; inset: 0; display: none; place-items: center; background: radial-gradient(ellipse at center, rgba(5, 10, 16, 0.15), rgba(5, 10, 16, 0.65)); z-index: 20; }
.screen.show { display: grid; }
#mainMenu { place-items: center start; padding-left: 7vw; background: linear-gradient(90deg, rgba(5, 10, 16, 0.82) 0%, rgba(5, 10, 16, 0.35) 45%, rgba(5, 10, 16, 0) 70%); }
.menu-card { width: min(460px, 92vw); padding: 28px 30px; }
.menu-card.small { background: var(--panel); border: 1px solid var(--edge); border-radius: 12px; backdrop-filter: blur(8px); }
.kicker { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); }
.kicker.red { color: #ff8f80; }
h1 { font: 700 84px/0.95 'Oswald', sans-serif; letter-spacing: 8px; margin: 10px 0 0; text-shadow: 0 4px 24px rgba(0, 0, 0, 0.5); }
h1.title-long { font-size: 62px; letter-spacing: 5px; }
.subtitle { font: 400 22px 'Oswald', sans-serif; letter-spacing: 6px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
h2 { font: 600 28px 'Oswald', sans-serif; letter-spacing: 2px; margin: 6px 0 16px; }
.menu-card p { color: #cfd9e3; line-height: 1.55; font-size: 14px; margin: 0 0 20px; }
.btn {
    display: block; width: 100%; margin: 8px 0; padding: 12px 16px; border-radius: 8px; border: 1px solid var(--edge); cursor: pointer;
    font: 600 16px 'Oswald', sans-serif; letter-spacing: 2px; text-transform: uppercase; color: var(--text); background: rgba(255, 255, 255, 0.06);
    transition: background 0.2s, transform 0.1s;
}
.btn:hover { background: rgba(255, 255, 255, 0.14); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: #1f63b3; border-color: #3f86d8; }
.btn.primary:hover { background: #2a74cc; }
.btn.ghost { background: transparent; }
.controls-grid { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin-top: 20px; font-size: 12px; color: var(--muted); }
.controls-grid span:nth-child(odd) { color: #fff; font-weight: 700; }
.menu-card label { display: flex; justify-content: space-between; font-size: 13px; color: var(--accent); margin-top: 12px; }
.menu-card label b { color: var(--text); font-weight: 500; }
.menu-card input[type=range] { width: 100%; margin: 6px 0 2px; }
#goStats div { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.07); font-size: 14px; }
#goStats div span { color: var(--muted); }
#goStats .total { font-size: 18px; border: none; margin-top: 6px; }
#goStats .total b { color: var(--gold); }
#goStats + .btn { margin-top: 18px; }

/* --- Settings: a side panel so the sea stays visible while you tweak it --- */
#settingsMenu { place-items: center end; padding-right: 16px; background: linear-gradient(270deg, rgba(5, 10, 16, 0.55) 0%, rgba(5, 10, 16, 0) 45%); }
.menu-card.settings { width: min(400px, 94vw); max-height: 94vh; display: flex; flex-direction: column; padding: 20px 22px; }
.settings-scroll { overflow-y: auto; padding-right: 6px; margin-right: -6px; }
.settings-scroll::-webkit-scrollbar { width: 6px; }
.settings-scroll::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.2); border-radius: 3px; }
.settings h3 { font: 600 13px 'Oswald', sans-serif; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin: 16px 0 4px; border-bottom: 1px solid var(--edge); padding-bottom: 4px; }
.settings h3:first-child { margin-top: 0; }
.ctl label { display: flex; justify-content: space-between; font-size: 12px; color: var(--accent); margin-top: 8px; }
.ctl label b { color: var(--text); font-weight: 500; }
.ctl input[type=range] { width: 100%; margin: 4px 0 0; }
.ctl input:disabled { opacity: 0.35; }
.ctl.check, .ctl.color { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.ctl.check label, .ctl.color label { margin: 0; }
.ctl input[type=color] { width: 44px; height: 24px; border: 1px solid var(--edge); background: none; padding: 0; cursor: pointer; }
.settings-buttons { display: flex; gap: 8px; margin-top: 12px; }
.settings-buttons .btn { margin: 0; }

/* --- Settings tabs --- */
.tabs { display: flex; gap: 4px; margin: -4px 0 10px; flex-wrap: wrap; }
.tab {
    flex: 1 1 auto; padding: 8px 10px; border-radius: 7px; border: 1px solid var(--edge); background: rgba(255, 255, 255, 0.04);
    color: var(--muted); font: 600 13px 'Oswald', sans-serif; letter-spacing: 1.5px; text-transform: uppercase; cursor: pointer;
}
.tab.on { background: #1f63b3; border-color: #3f86d8; color: #fff; }

/* --- Settings: a sidebar of categories, a search box, folded fine-tuning --- */
.menu-card.settings { width: min(780px, 96vw); height: min(680px, 94vh); max-height: 94vh;
    background: rgba(8, 14, 22, 0.86); border: 1px solid var(--edge); border-radius: 12px; backdrop-filter: blur(10px); }
.settings-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.settings-head h2 { margin: 0; font: 600 22px 'Oswald', sans-serif; letter-spacing: 3px; text-transform: uppercase; }
#setSearch { flex: 1; min-width: 0; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--edge); background: rgba(255, 255, 255, 0.06);
    color: var(--text); font: 14px 'Inter', sans-serif; outline: none; }
#setSearch:focus { border-color: #3f86d8; background: rgba(255, 255, 255, 0.09); }
.settings-body { display: flex; gap: 16px; min-height: 0; flex: 1; }
.settings-nav { display: flex; flex-direction: column; gap: 3px; width: 170px; flex: none; overflow-y: auto; }
.settings-nav .nav-group { font: 600 10px 'Inter', sans-serif; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin: 10px 0 2px 4px; }
.settings-nav .nav-group:first-child { margin-top: 0; }
.settings-nav .tab { flex: none; text-align: left; padding: 7px 10px; font: 500 13px 'Inter', sans-serif; letter-spacing: 0; text-transform: none; }
.settings-body .settings-scroll { flex: 1; min-width: 0; }
details.fold { margin-top: 14px; border: 1px solid var(--edge); border-radius: 8px; padding: 0 10px; background: rgba(255, 255, 255, 0.025); }
details.fold > summary { cursor: pointer; padding: 9px 0; font: 600 12px 'Oswald', sans-serif; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold); }
details.fold[open] > summary { border-bottom: 1px solid var(--edge); }
details.fold .fold-body { padding-bottom: 10px; }
.settings-io { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.settings-io > label { margin: 0; text-transform: capitalize; }
.settings-io .settings-buttons { margin: 0; align-items: center; }
.io-hint { font-size: 12px; color: var(--muted); }
.search-empty { display: none; color: var(--muted); padding: 20px 0; text-align: center; }
/* Searching: every page at once, each under its name, only what matches */
#settingsMenu.searching .tabpane { display: none; }
#settingsMenu.searching .tabpane.hit { display: block; }
#settingsMenu.searching .tabpane.hit::before { content: attr(data-title); display: block; font: 600 13px 'Oswald', sans-serif; letter-spacing: 2px;
    text-transform: uppercase; color: #8cc4ff; margin: 14px 0 2px; }
#settingsMenu.searching .tabpane h3, #settingsMenu.searching .settings-buttons.inline, #settingsMenu.searching .io-hint { display: none; }
#settingsMenu.searching .tab.on { background: rgba(255, 255, 255, 0.04); border-color: var(--edge); color: var(--muted); }
#settingsMenu .nomatch { display: none !important; }
.tabpane { display: none; }
.tabpane.on { display: block; }
.ctl.select { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.ctl.select label { margin: 0; }
.ctl select {
    background: rgba(255, 255, 255, 0.08); color: var(--text); border: 1px solid var(--edge); border-radius: 6px; padding: 5px 8px;
    font: 500 12px 'Inter', sans-serif; max-width: 62%;
}
.ctl select option { background: #13202c; }
.ctl .hint { flex-basis: 100%; font-size: 11px; color: var(--muted); margin-top: 3px; line-height: 1.35; }
.ctl.off label { opacity: 0.45; }
.ctl.button { margin-top: 10px; }
.btn.small { padding: 7px 10px; font-size: 13px; margin: 0; }
.settings-buttons.inline { margin-top: 14px; }

/* ===================== Touch controls ===================== */
#touchUI { display: none; --s: 1; --edgeL: max(12px, env(safe-area-inset-left)); --edgeR: max(12px, env(safe-area-inset-right)); }
body.touch.playing:not(.menu-open) #touchUI { display: block; }
body.touch { touch-action: none; -webkit-touch-callout: none; -webkit-user-select: none; }
body.touch #canvas-container canvas { touch-action: none; }
#touchUI .tc, #touchUI .tb { position: absolute; z-index: 15; touch-action: none; -webkit-tap-highlight-color: transparent; }
.tc-caption { position: absolute; left: 0; right: 0; bottom: -15px; text-align: center; font: 600 calc(9px * var(--s)) 'Oswald', sans-serif; letter-spacing: 2px; color: rgba(232, 226, 208, 0.75); text-shadow: 0 1px 2px #000; }

/* Engine-order telegraph lever */
.tthrottle { left: var(--edgeL); bottom: 26px; width: calc(84px * var(--s)); height: calc(min(64vh, 330px) * var(--s)); }
body.lefthand .tthrottle { left: auto; right: var(--edgeR); }
.tt-face {
    position: absolute; inset: 0; border-radius: calc(40px * var(--s)) / calc(22px * var(--s));
    background: radial-gradient(ellipse at 35% 18%, #3d4855 0%, #1b232c 55%, #10161c 100%);
    box-shadow: inset 0 0 0 2px #e2c172, inset 0 0 0 4px #8d6d2e, inset 0 0 0 5px #2b2111, inset 0 6px 18px rgba(0, 0, 0, 0.7), 0 10px 26px rgba(0, 0, 0, 0.55);
    overflow: hidden;
}
.tt-astern { position: absolute; left: 6px; right: 6px; bottom: 6px; top: 61%; border-radius: 0 0 30px 30px / 0 0 16px 16px; background: linear-gradient(rgba(140, 30, 24, 0.05), rgba(140, 30, 24, 0.32)); }
.tt-slot { position: absolute; left: 62%; top: 7%; bottom: 7%; width: 8px; margin-left: -4px; border-radius: 4px; background: #05080b; box-shadow: inset 0 1px 3px #000, 0 0 0 1px rgba(226, 193, 114, 0.25); }
.tt-label { white-space: nowrap;
    position: absolute; left: 4%; width: 34%; transform: translateY(-50%); text-align: right; padding-right: 1px;
    font: 600 calc(10px * var(--s)) 'Oswald', sans-serif; letter-spacing: 0.5px; color: #e8e2d0; opacity: 0.55; text-shadow: 0 1px 0 #000;
}
.tt-label.astern { color: #ff9c8c; }
.tt-label.stop { color: #ffd27a; opacity: 0.8; }
.tt-label.on { opacity: 1; color: #fff; text-shadow: 0 0 8px rgba(255, 210, 122, 0.9); }
.tt-cap { position: absolute; right: 3%; font: 600 calc(7px * var(--s)) 'Oswald', sans-serif; letter-spacing: 1.5px; writing-mode: vertical-rl; color: rgba(232, 226, 208, 0.45); }
.tt-cap.ahead { top: 14%; }
.tt-cap.back { bottom: 10%; color: rgba(255, 156, 140, 0.55); }
.tt-speed { position: absolute; left: 40%; width: 0; height: 0; margin-left: -2px; transform: translateY(-50%); border: 6px solid transparent; border-left: 9px solid #5fe1ff; filter: drop-shadow(0 0 3px #5fe1ff); transition: top 0.25s linear; }
.tt-handle {
    position: absolute; left: 62%; width: 44%; height: calc(26px * var(--s)); transform: translate(-50%, -50%);
    border-radius: calc(14px * var(--s)); background: linear-gradient(180deg, #fbe7a8 0%, #d8b25a 38%, #9b7429 70%, #5e4517 100%);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.7), inset 0 -2px 3px rgba(0, 0, 0, 0.35);
    transition: top 0.07s ease-out;
}
.tt-handle .grip { position: absolute; left: 14%; right: 14%; top: 50%; height: 4px; margin-top: -2px; border-radius: 2px; background: #7d1c12; box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.6); }
.tthrottle.held .tt-handle { box-shadow: 0 0 0 3px rgba(255, 210, 122, 0.35), 0 6px 14px rgba(0, 0, 0, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.7); }

/* Rudder slider */
.trudder { left: calc(var(--edgeL) + 100px * var(--s)); bottom: 26px; width: min(36vw, calc(330px * var(--s))); height: calc(58px * var(--s)); }
body.lefthand .trudder { left: auto; right: calc(var(--edgeR) + 100px * var(--s)); }
.tr-track {
    position: absolute; inset: 0; border-radius: calc(16px * var(--s));
    background: linear-gradient(90deg, rgba(150, 30, 26, 0.38), rgba(16, 22, 28, 0.9) 30%, rgba(16, 22, 28, 0.9) 70%, rgba(30, 130, 60, 0.38));
    box-shadow: inset 0 0 0 2px #e2c172, inset 0 0 0 4px #8d6d2e, inset 0 4px 12px rgba(0, 0, 0, 0.7), 0 8px 22px rgba(0, 0, 0, 0.5);
}
.tr-tick { position: absolute; top: 22%; height: 18%; width: 1px; background: rgba(232, 226, 208, 0.35); }
.tr-tick.major { height: 30%; background: rgba(232, 226, 208, 0.7); }
.tr-side { position: absolute; bottom: 12%; font: 600 calc(9px * var(--s)) 'Oswald', sans-serif; letter-spacing: 2px; }
.tr-side.port { left: 9%; color: #ff8f80; }
.tr-side.stbd { right: 9%; color: #7fe39a; }
.tr-needle { position: absolute; top: 14%; bottom: 14%; width: 3px; margin-left: -1.5px; background: #ffd27a; border-radius: 2px; box-shadow: 0 0 6px #ffd27a; }
.tr-handle {
    position: absolute; top: 50%; width: calc(30px * var(--s)); height: 120%; transform: translate(-50%, -50%);
    border-radius: calc(10px * var(--s)); background: linear-gradient(90deg, #5e4517, #d8b25a 30%, #fbe7a8 50%, #d8b25a 70%, #5e4517);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.7); transition: left 0.12s ease-out;
}
.trudder.held .tr-handle { transition: none; }

/* Ship's wheel */
.twheel { left: calc(var(--edgeL) + 96px * var(--s)); bottom: 18px; width: calc(150px * var(--s)); height: calc(150px * var(--s)); }
body.lefthand .twheel { left: auto; right: calc(var(--edgeR) + 96px * var(--s)); }
.wheel-svg { width: 100%; height: 100%; filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.6)); }
.wheel-rot { transition: transform 0.05s linear; }

/* Tilt steering gauge */
.tgyro { left: calc(var(--edgeL) + 100px * var(--s)); bottom: 26px; width: calc(150px * var(--s)); height: calc(76px * var(--s)); }
body.lefthand .tgyro { left: auto; right: calc(var(--edgeR) + 100px * var(--s)); }
.g-arc { position: absolute; left: 0; right: 0; top: 0; height: 200%; border-radius: 50%; border: 3px solid #b8913f; border-bottom-color: transparent; border-left-color: #c0392b; border-right-color: #27ae60; background: rgba(16, 22, 28, 0.75); clip-path: inset(0 0 50% 0); }
.g-needle { position: absolute; left: 50%; bottom: 0; width: 3px; height: 92%; margin-left: -1.5px; background: #ffd27a; transform-origin: 50% 100%; box-shadow: 0 0 6px #ffd27a; border-radius: 2px; }
.g-txt { position: absolute; left: 0; right: 0; bottom: 4px; text-align: center; font: 600 calc(9px * var(--s)) 'Oswald', sans-serif; letter-spacing: 1.5px; color: #e8e2d0; line-height: 1.2; }
.g-txt small { font-size: 0.85em; opacity: 0.6; letter-spacing: 0.5px; }

/* Buttons */
.tb {
    width: calc(62px * var(--s)); height: calc(62px * var(--s)); border-radius: 50%; padding: 0; border: none; cursor: pointer;
    background: radial-gradient(circle at 50% 35%, #34404c, #151c23 70%);
    box-shadow: inset 0 0 0 2px #e2c172, inset 0 0 0 4px #7d6024, 0 6px 16px rgba(0, 0, 0, 0.6);
    color: #f3ead2; font: 600 calc(12px * var(--s)) 'Oswald', sans-serif; letter-spacing: 1.5px;
}
.tb span { pointer-events: none; }
.tb.down { transform: scale(0.94); filter: brightness(1.25); }
.tb.lit { box-shadow: inset 0 0 0 2px #ffd27a, inset 0 0 0 4px #ff6a3d, 0 0 16px rgba(255, 106, 61, 0.6); }
.tb.big { width: calc(92px * var(--s)); height: calc(92px * var(--s)); font-size: calc(16px * var(--s)); }
.tb.fire { background: radial-gradient(circle at 50% 35%, #d8412e, #7c1810 72%); }
.tb.small { width: calc(48px * var(--s)); height: calc(48px * var(--s)); font-size: calc(10px * var(--s)); }
#tFire { right: var(--edgeR); bottom: 22px; }
#tLock { right: calc(var(--edgeR) + 100px * var(--s)); bottom: 18px; }
#tTorp { right: calc(var(--edgeR) + 14px * var(--s)); bottom: calc(22px + 102px * var(--s)); }
#tAA { right: calc(var(--edgeR) + 100px * var(--s)); bottom: calc(18px + 72px * var(--s)); }
#tView { right: calc(var(--edgeR) + 166px * var(--s)); bottom: 24px; }
#tZoom { right: calc(var(--edgeR) + 166px * var(--s)); bottom: calc(24px + 56px * var(--s)); }
#tPause { left: var(--edgeL); top: 10px; }
body.lefthand #tFire { right: auto; left: var(--edgeL); }
body.lefthand #tLock { right: auto; left: calc(var(--edgeL) + 100px * var(--s)); }
body.lefthand #tTorp { right: auto; left: calc(var(--edgeL) + 14px * var(--s)); }
body.lefthand #tAA { right: auto; left: calc(var(--edgeL) + 100px * var(--s)); }
body.lefthand #tView { right: auto; left: calc(var(--edgeL) + 166px * var(--s)); }
body.lefthand #tZoom { right: auto; left: calc(var(--edgeL) + 166px * var(--s)); }


/* ===================== Compact HUD on touch screens ===================== */
body.touch #keys, body.touch #cpHelp { display: none !important; }

body.touch #hud-top { top: 8px; gap: 6px; }
body.touch #hud-top .stat { min-width: 0; padding: 3px 10px; }
body.touch #hud-top span { font-size: 8px; letter-spacing: 1px; }
body.touch #hud-top b { font-size: 15px; }
body.touch #helm { top: 8px; right: max(8px, env(safe-area-inset-right)); width: 150px; padding: 6px 10px; }
body.touch #helm .row { margin-bottom: 0; }
body.touch #helm .big { font-size: 17px; }
body.touch #helm .lbl { font-size: 8px; min-width: 50px; letter-spacing: 1px; }
body.touch #helm .sub { font-size: 9px; }
body.touch #helm .lbl[style] { margin-top: 3px !important; }
body.touch #helm .rudder-bar, body.touch #hudRudder, body.touch #helm .rudlbl, body.touch #helm .englbl, body.touch #hudOrder { display: none; }
body.touch #radar { left: calc(var(--edgeL, 12px) + 58px); right: auto; bottom: auto; top: 8px; width: 100px; height: 100px; }
body.touch #camLabel { display: none !important; }
body.touch #radarLabel { display: none !important; }
body.touch #messages { top: 52px; width: min(480px, calc(100vw - 380px)); }
body.touch .msg { font-size: 11px; padding: 3px 10px; }
body.touch #captainPanel { min-width: 0; width: min(440px, 52vw); bottom: auto; top: 46px; padding: 6px 10px; }
body.touch #cpRange { font-size: 12px; }
body.touch #cpBearing, body.touch #cpStation { font-size: 10px; }
body.touch #cpGuns .gun { min-width: 44px; font-size: 9px; padding: 2px 4px; }
body.touch #bannerTitle { font-size: 34px; }


/* ===================== Small screens: menus ===================== */
@media (max-height: 520px), (max-width: 700px) {
    #mainMenu { padding-left: 4vw; place-items: center start; }
    .menu-card { padding: 14px 18px; }
    h1 { font-size: 46px; letter-spacing: 5px; margin-top: 4px; }
    h1.title-long { font-size: 34px; letter-spacing: 3px; }
    .subtitle { font-size: 14px; letter-spacing: 4px; margin-bottom: 8px; }
    .menu-card p { font-size: 12px; margin-bottom: 10px; line-height: 1.4; }
    .btn { padding: 9px 12px; font-size: 14px; margin: 6px 0; }
    .controls-grid { display: none; }
    .kicker { font-size: 10px; }
    .menu-card.settings { max-height: 96vh; height: 96vh; width: min(560px, 98vw); padding: 12px 14px; }
    .tab { padding: 6px 6px; font-size: 11px; }
    /* narrow: the categories become a scrolling row across the top */
    .settings-body { flex-direction: column; gap: 8px; }
    .settings-nav { flex-direction: row; width: auto; overflow-x: auto; overflow-y: hidden; padding-bottom: 4px; }
    .settings-nav .nav-group { display: none; }
    .settings-nav .tab { white-space: nowrap; }
    .settings-head h2 { font-size: 17px; }
    #settingsMenu { place-items: center; padding-right: 0; }
}
@media (orientation: portrait) and (pointer: coarse) {
    body.playing:not(.menu-open)::after {
        content: 'Turn your phone sideways for the best view'; position: absolute; left: 50%; top: 40%; transform: translateX(-50%);
        background: rgba(5, 10, 16, 0.78); padding: 8px 14px; border-radius: 8px; font-size: 12px; color: var(--gold); pointer-events: none; z-index: 40;
        animation: rotateHint 6s ease forwards;
    }
    @keyframes rotateHint { 0%, 70% { opacity: 1; } 100% { opacity: 0; } }
}

/* Manning an AA gun: the gunsight replaces the key help */
body.aaview #keys { display: none; }
.touch-help { display: none; margin-top: 18px; font-size: 13px; line-height: 1.5; color: var(--muted); }
body.touch .touch-help { display: block; }
body.touch .controls-grid { display: none; }

/* --- Sound lab --- */
.menu-card.settings.wide { width: min(560px, 94vw); }
.lab-row { border-bottom: 1px solid var(--edge); }
.lab-head { display: flex; align-items: center; gap: 6px; padding: 5px 0; }
.lab-name {
    flex: 1 1 auto; min-width: 0; text-align: left; background: none; border: none; color: var(--text); cursor: pointer;
    font: 500 13px 'Inter', sans-serif; padding: 4px 0; display: flex; align-items: center; gap: 6px;
}
.lab-caret { color: var(--muted); font-size: 11px; width: 10px; transition: transform 0.15s; }
.lab-row.open .lab-caret { transform: rotate(90deg); }
.lab-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold, #e8c15a); display: none; flex: none; }
.lab-row.changed .lab-dot { display: inline-block; }
.lab-btn {
    flex: none; width: 34px; height: 28px; border-radius: 6px; border: 1px solid var(--edge); background: rgba(255, 255, 255, 0.06);
    color: var(--text); cursor: pointer; font-size: 13px; line-height: 1;
}
.lab-btn:hover { background: #1f63b3; border-color: #3f86d8; }
.lab-body { display: none; padding: 0 0 12px 16px; }
.lab-row.open .lab-body { display: block; }
.lab-filebtns { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.ctl .lab-pick { display: inline-block; margin: 0; color: var(--text); position: relative; overflow: hidden; cursor: pointer; }
.lab-pick input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.settings-io { flex-wrap: wrap; align-items: center; border-top: 1px solid var(--edge); padding-top: 10px; margin-top: 16px; }
.settings-io label.btn { display: inline-block; cursor: pointer; margin: 0; color: var(--text); font-size: 13px; }
.settings-io .hint { font-size: 11px; color: var(--muted); }