/* Volo — simulatore di volo nel browser
   Autore: Massimiliano Petra <massimiliano.petra@gmail.com>
   Copyright (C) 2026 Massimiliano Petra
   Licenza: GNU General Public License versione 3 o successiva
   (GPL-3.0-or-later). Questo programma è software libero: puoi
   ridistribuirlo e/o modificarlo secondo i termini della GNU GPL
   pubblicata dalla Free Software Foundation, versione 3 o (a tua scelta)
   qualunque versione successiva. È distribuito SENZA ALCUNA GARANZIA.
   Testo completo nel file LICENSE.
   ---------------------------------------------------------------------
   Layout: scena 3D a tutto schermo, strumenti in stile glass cockpit sovrapposti.
   Tema unico scuro (strumenti su cielo), scelto di proposito. */
:root{
  --panel:rgba(8,16,30,.78);
  --ink:#e8f1f8;
  --dim:#8ea6bb;
  --cyan:#39d7ff;
  --magenta:#ff5ad9;
  --amber:#ffb020;
  --red:#ff4d3d;
  --f-ui:"B612",system-ui,sans-serif;
  --f-num:"B612 Mono",ui-monospace,Menlo,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:#c9dceb;color:var(--ink);font-family:var(--f-ui);overflow:hidden}
#app{position:fixed;inset:0}
#gl{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#gl:active{cursor:grabbing}

.hud{position:absolute;background:var(--panel);border:1px solid rgba(57,215,255,.2);border-radius:8px;padding:10px 12px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none}
.row{display:flex;align-items:baseline;gap:8px}
.lbl{font:700 10px/1 var(--f-ui);letter-spacing:.14em;color:var(--dim);min-width:4.2em}
.val{font:700 18px/1 var(--f-num);color:var(--cyan);font-variant-numeric:tabular-nums;min-width:3.6ch;text-align:right}
.val.sm{font-size:14px}
.unit{font:400 11px/1 var(--f-ui);color:var(--dim)}
.mag{color:var(--magenta)}
.dim{color:var(--dim);font-weight:400}
kbd{font:700 11px var(--f-num);color:var(--cyan);border:1px solid rgba(57,215,255,.35);border-radius:3px;padding:0 4px}

/* in alto a sinistra: pulsanti dell'aiuto e del libretto */
.angolo{position:absolute;top:calc(12px + env(safe-area-inset-top,0px));left:12px;display:flex;gap:6px}
.hud-btn{background:var(--panel);border-color:rgba(57,215,255,.3);padding:7px 10px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.hud-btn kbd{margin-left:4px}

/* in alto al centro: obiettivo della missione */
.obiettivo{position:absolute;top:calc(12px + env(safe-area-inset-top,0px));left:50%;transform:translateX(-50%);white-space:nowrap;
  background:var(--panel);border:1px solid rgba(255,90,217,.45);border-radius:8px;padding:7px 14px;font:400 14px/1.2 var(--f-num);pointer-events:none;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);max-width:calc(100vw - 700px)}
.obiettivo b{color:var(--magenta)}
.obiettivo .ambra,.ambra{color:var(--amber)!important}
.obiettivo .rosso,.rosso{color:var(--red)!important}
.stella{color:var(--amber);letter-spacing:.05em}
.con-obiettivo .msg{top:calc(58px + env(safe-area-inset-top,0px))}

/* comandi (finestra) */
.card.aiuto{font-size:12.5px;line-height:1.45;max-width:40rem;width:100%;max-height:calc(100vh - 32px);overflow-y:auto;scrollbar-width:thin}
.card-testa{display:flex;justify-content:space-between;align-items:center;gap:10px}
button.chiudi{padding:6px 9px;font-size:13px;border-color:rgba(142,166,187,.5)}
/* radio */
.radiopan{font-size:12px;line-height:1.35}
.riga-com{margin-top:6px}
/* transponder */
.riga-xpdr{margin-top:6px;align-items:center;flex-wrap:wrap;gap:6px}
.xp-codice{pointer-events:auto;font:700 15px var(--f-num);color:#4ade80;background:#061008;border:1px solid #2c4a33;border-radius:4px;padding:3px 8px;letter-spacing:.12em;min-width:5.2em}
.xp-codice.digita{color:#fbbf24;border-color:#fbbf24}
.xp-modi{display:flex;gap:3px;pointer-events:auto}
.xp-modi button{padding:3px 6px;font-size:10px}
.xp-modi button.attivo{background:#14532d;border-color:#4ade80;color:#bbf7d0}
.xp-modi button.ident{background:#854d0e;border-color:#fbbf24;color:#fff}
.selcom{pointer-events:auto;color:#4ade80;font-size:13px;padding:3px 4px;flex:1;min-width:0}
.radiocom{font:700 11px var(--f-num);color:#4ade80;letter-spacing:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.radioavviso{margin-top:6px;color:#1b1000;background:var(--amber);border-radius:4px;padding:4px 7px;font-weight:700}
.radiolog{max-height:110px;overflow-y:auto;margin-top:6px;pointer-events:auto;scrollbar-width:thin}
.radiolog:empty{display:none}
.rl{display:grid;grid-template-columns:2.6em 1fr;gap:6px;margin:3px 0}
.rl b{font:700 10px var(--f-num);padding-top:1px}
.rl.atc b{color:#4ade80}.rl.pilota b{color:var(--cyan)}.rl.altro b{color:#c4b5fd}
.rl i,.radiomenu i{display:block;color:var(--dim);font-style:italic}
.radiomenu{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:4px;pointer-events:auto}
.radiomenu button{display:flex;gap:6px;align-items:flex-start;width:100%;text-align:left;text-transform:none;letter-spacing:0;
  font:400 12px/1.35 var(--f-ui);padding:6px 7px}
.radiomenu kbd{flex:none}
.radiomenu .nota,.radiomenu .vuoto{color:var(--dim);font-size:11px}
.aiuto dl{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:0 0 6px}
.aiuto dt{font:700 11px var(--f-num);color:var(--cyan);white-space:nowrap}
.aiuto dd{margin:0}
a.istr{display:inline-block;margin-top:8px;color:var(--cyan);font-weight:700;pointer-events:auto}
.azioni a.istr{margin-top:0;align-self:center}
.regola{display:flex;align-items:center;gap:8px;margin-top:6px;pointer-events:auto;cursor:pointer}
.regola #sens{flex:1;min-width:0;accent-color:var(--cyan)}
.regola #centro{accent-color:var(--cyan);margin:0}

/* colonna di destra a schede */
.destra{position:absolute;top:calc(12px + env(safe-area-inset-top,0px));right:12px;width:320px;display:flex;flex-direction:column;gap:6px;pointer-events:none}
.destra .hud{position:relative}
.destra .scheda{overflow-y:auto;scrollbar-width:thin}
.destra .scheda:not(.nav){pointer-events:auto}
.schede{display:flex;gap:4px;pointer-events:auto}
.schede button{flex:1 1 auto;white-space:nowrap;background:var(--panel);border-color:rgba(57,215,255,.25);padding:7px 4px;font-size:10px;letter-spacing:.04em;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.schede button kbd{font-size:9px;padding:0 3px;margin-left:2px}
.schede button.attiva{background:rgba(22,60,84,.92);border-color:var(--cyan);color:var(--cyan)}
.schede button.chiama{background:var(--amber);border-color:var(--amber);color:#1b1000;animation:lampeggio 1s steps(2) infinite}
.schede button.chiama kbd{color:#1b1000;border-color:#1b1000}
.radiosott{font-size:12px;line-height:1.35;padding:7px 10px}
.radiosott .rl{margin:0}
.radiosott .radioavviso{margin-top:0}
.radiosott .rl+.radioavviso{margin-top:6px}
.destra[data-aperta="radio"] .radiosott{display:none}
/* missione */
.missione{padding:8px 10px;font-size:11.5px;line-height:1.4;display:grid;gap:6px}
.missione .corpo{display:grid;gap:6px}
.mi-punti{margin:0;padding-left:1.2em;display:grid;gap:2px}
.mi-punti b{font-family:var(--f-num);color:var(--cyan)}
.mi-tab{border-collapse:collapse;width:100%;font-size:12px}
.mi-tab td{padding:3px 6px;border-bottom:1px solid rgba(142,166,187,.2)}
.mi-tab td:last-child{text-align:right;font-family:var(--f-num)}
.mi-tab tr.tot td{border-bottom:0;font-size:13px}
.mi-tab b{color:var(--cyan)}
.nav{display:flex;flex-direction:column;gap:8px;padding:8px}
#minimap{display:block;margin:0 auto;width:100%;height:auto;aspect-ratio:1/1;border-radius:5px;pointer-events:auto;cursor:pointer}
.navinfo{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px}

/* piano di volo */
.piano{padding:8px 10px;font-size:11px;line-height:1.35}
.piano .corpo{margin-top:6px;display:grid;gap:6px}
.pv-testa{display:flex;justify-content:space-between;gap:8px;font:700 12px var(--f-num);color:var(--magenta)}
.pv-testa span{color:var(--ink);font-weight:400}
.pv-tappe{list-style:none;margin:0;padding:0;display:grid;gap:1px}
.pv-tappe li{display:grid;grid-template-columns:3.6em 1fr;gap:6px;padding:2px 4px;border-radius:3px;color:var(--ink)}
.pv-tappe b{font:700 11px var(--f-num);color:var(--dim)}
.pv-tappe em{font-style:normal;font-family:var(--f-num);color:var(--cyan)}
.pv-tappe li.fatto{opacity:.45}
.pv-tappe li.ora{background:rgba(255,90,217,.16);box-shadow:inset 2px 0 var(--magenta)}
.pv-tappe li.ora b{color:var(--magenta)}
.pv-pista{display:grid;gap:2px;padding-top:5px;border-top:1px solid rgba(142,166,187,.25)}
.pv-pista .lbl{display:inline-block;min-width:5.2em}
.pv-pista b{font-family:var(--f-num);color:var(--cyan)}
.pv-nota{color:var(--amber)}
.pv-fase{font:700 11px var(--f-num);color:var(--magenta);min-height:1.35em}

/* avvisi */
.avviso{position:absolute;top:24%;left:50%;transform:translateX(-50%);font:700 22px/1 var(--f-num);letter-spacing:.22em;
  color:#1b1000;background:var(--amber);padding:8px 16px;border-radius:4px;animation:lampeggio .7s steps(2) infinite;pointer-events:none;white-space:nowrap}
.avviso.rosso{background:var(--red);color:#fff}
@keyframes lampeggio{50%{opacity:.35}}
.msg{position:absolute;top:calc(12px + env(safe-area-inset-top,0px));left:50%;transform:translateX(-50%);max-width:min(32rem,calc(100vw - 32px));
  background:var(--panel);border:1px solid rgba(57,215,255,.35);border-radius:8px;padding:10px 16px;text-align:center;font-size:15px;line-height:1.4;pointer-events:none}
.msg b{color:var(--cyan)}

/* fascia bassa */
.basso{position:absolute;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));display:flex;justify-content:center;align-items:stretch;gap:12px;pointer-events:none}
.basso .hud{position:relative}
/* sugli schermi larghi gli strumenti in basso stanno a sinistra della colonna di destra */
/* PFD e pannello motore alti uguali (align-items:stretch): il pannello è largo e basso */
.pfdbox{padding:0;overflow:hidden;display:flex;align-items:center}
#pfd{display:block;width:min(500px,calc(100vw - 24px));aspect-ratio:5/3;height:auto}
.sys{display:grid;gap:8px;width:420px;align-content:space-between;pointer-events:auto}
.sys .griglia{display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;gap:8px 10px}
.sys .griglia .lbl{min-width:0}
.sys{flex:none}
/* (dopo #pfd) sugli schermi larghi il PFD si stringe un po' se non c'è posto per tutti e due i riquadri */
@media (min-width:1170px){.basso{right:344px}#pfd{width:min(500px,calc(100vw - 788px))}}
@media (min-width:861px) and (max-width:1169px){#pfd{width:min(500px,calc(100vw - 456px))}}

.aux{display:block;width:100%;height:96px}
.spie{display:flex;gap:6px;flex-wrap:wrap}
.spia{font:700 10px/1 var(--f-ui);letter-spacing:.1em;padding:5px 7px;border-radius:3px;border:1px solid rgba(142,166,187,.35);color:var(--dim)}
.spia.on{color:#06210f;background:#4ade80;border-color:#4ade80}
.spia.warn{color:#1b1000;background:var(--amber);border-color:var(--amber)}
.manetta{display:flex;align-items:center;gap:8px}
#thr{flex:1;min-width:0;accent-color:var(--cyan)}
.bottoni{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.bottoni .rifornimento{grid-column:1/-1;background:#14532d;border-color:#4ade80;color:#dcfce7}
.bottoni .rifornimento.attivo{background:#854d0e;border-color:#fbbf24}
.pv-pista .rosso{color:#f87171}
button{font:700 11px/1 var(--f-ui);letter-spacing:.06em;text-transform:uppercase;background:transparent;color:var(--ink);
  border:1px solid var(--dim);border-radius:4px;padding:9px 4px;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none}
button:hover{border-color:var(--cyan);color:var(--cyan)}
button.premuto{background:rgba(57,215,255,.2);border-color:var(--cyan)}
button:focus-visible,#thr:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
button.primario{background:var(--cyan);color:#05202a;border-color:var(--cyan);padding:12px 18px;font-size:13px}
button.primario:hover{background:#7fe6ff;color:#05202a}

#stick{position:absolute;width:150px;height:150px;margin:-75px 0 0 -75px;border:1px solid rgba(232,241,248,.45);border-radius:50%;pointer-events:none}
#knob{position:absolute;left:50%;top:50%;width:36px;height:36px;margin:-18px 0 0 -18px;border-radius:50%;background:rgba(57,215,255,.55)}

/* finestre sovrapposte */
.overlay{position:absolute;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(8,16,30,.5);pointer-events:auto;overflow:auto}
/* risultato della missione */
.card.esito{text-align:center;min-width:min(26rem,100%)}
.card.esito h2.rosso{color:var(--amber)!important}
.stelle{font-size:40px;line-height:1;color:var(--amber);letter-spacing:.1em}
.stelle:empty{display:none}
.card.esito .azioni{justify-content:center}
.card.esito .mi-tab,.card.esito .mi-punti{text-align:left}
.card.esito .mi-punti{list-style:none;padding:0}
/* libretto di volo */
.card.libretto{max-width:58rem;width:100%;max-height:calc(100vh - 32px);overflow-y:auto;scrollbar-width:thin}
.card h3{margin:4px 0 0;font:700 12px var(--f-ui);letter-spacing:.14em;color:var(--dim);text-transform:uppercase}
.tessere{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px}
.tess{border:1px solid rgba(57,215,255,.2);border-radius:6px;padding:8px 10px;display:grid;gap:4px}
.tess b{font:700 20px/1 var(--f-num);color:var(--cyan)}
.tess span{font-size:11px;color:var(--dim)}
.record{margin:0;padding-left:1.2em;display:grid;gap:3px;font-size:13px}
.tab-libretto{max-height:42vh;overflow:auto;scrollbar-width:thin}
.tab-libretto table{border-collapse:collapse;width:100%;font-size:12px}
.tab-libretto th{position:sticky;top:0;background:#0b1322;text-align:left;font:700 10px var(--f-ui);letter-spacing:.1em;color:var(--dim);padding:6px}
.tab-libretto td{padding:5px 6px;border-top:1px solid rgba(142,166,187,.15);white-space:nowrap}
.tab-libretto td:last-child{white-space:normal}
.tab-libretto tr.male td{color:#ffb3a8}
/* briefing: missione */
.brief-missione{border-left:3px solid var(--magenta);background:rgba(255,90,217,.08);padding:8px 10px;border-radius:4px;line-height:1.5}
.brief-missione b{color:var(--magenta)}
button.piccolo{padding:5px 8px;font-size:10px;margin-left:4px}
.scelte .intera{grid-column:1/-1}
.card{background:rgba(8,16,30,.92);border:1px solid rgba(57,215,255,.35);border-radius:10px;padding:22px 26px;display:grid;gap:12px;max-width:34rem}
.card h1,.card h2{margin:0;font:700 20px/1.2 var(--f-num);letter-spacing:.12em;color:var(--cyan);text-wrap:balance}
.card p{margin:0;line-height:1.5}
.card .check{margin:0;padding-left:1.3em;display:grid;gap:6px;line-height:1.45}
.card .primario{justify-self:start}
.allarme{border-color:rgba(255,176,32,.6);text-align:center}
.allarme h2{color:var(--amber)}
.allarme .primario{justify-self:center}
.papi{display:inline-flex;gap:3px;vertical-align:middle}
.papi i{width:10px;height:10px;border-radius:50%;display:inline-block}
.papi .w{background:#fff}.papi .r{background:#ff2a1a}

@media (max-width:1100px){
}
@media (max-width:860px){
  .basso{flex-direction:column;align-items:stretch}
  .sys{width:auto}
  #pfd{width:100%;max-height:42vh}
  .pfdbox{align-self:center}
  .destra{width:min(260px,calc(100vw - 24px))}
  .obiettivo{max-width:calc(100vw - 24px);top:calc(52px + env(safe-area-inset-top,0px))}
  .navinfo{grid-template-columns:1fr}
  .val{font-size:15px}
}
@media (max-width:860px) and (max-height:700px){
  .nav .navinfo{display:none}
}
@media (prefers-reduced-motion:reduce){.avviso{animation:none}}
.card .azioni{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.card .azioni button:not(.primario){padding:12px 14px;font-size:12px}
.riga-cloche{display:flex;align-items:center;gap:10px}
.cloche-dx{flex:1;min-width:0;display:grid;gap:7px}
.spie button{margin-left:auto;padding:5px 8px;font-size:10px}
.cloche-ind{position:relative;width:44px;height:44px;border:1px solid rgba(142,166,187,.5);border-radius:6px;flex:none;
  background:linear-gradient(var(--dim),var(--dim)) center/1px 100% no-repeat,linear-gradient(var(--dim),var(--dim)) center/100% 1px no-repeat}
.cloche-ind i{position:absolute;left:50%;top:50%;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 2px rgba(8,16,30,.8)}
.vista-cabina .basso{display:none}
.crediti{font-size:11px;color:var(--dim);overflow-wrap:anywhere}
.scelte{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 12px}
.scelte select{width:100%;min-width:0;text-overflow:ellipsis}
.scelte label{display:grid;gap:4px;font:700 10px var(--f-ui);letter-spacing:.12em;color:var(--dim);text-transform:uppercase}
select{font:700 13px var(--f-num);color:var(--ink);background:#0b1322;border:1px solid var(--dim);border-radius:4px;padding:6px 6px;max-width:100%}
select:focus-visible{outline:2px solid var(--cyan);outline-offset:1px}
.seldest{pointer-events:auto;color:var(--magenta);font-size:14px;padding:3px 4px;flex:1;min-width:0}
.navinfo .row:first-child,.navinfo .riga-scala,.navinfo .riga-nav{grid-column:1/-1}
.selnav{pointer-events:auto;color:#4ade80;font-size:13px;padding:3px 4px;flex:1;min-width:0}
.val.verde{color:#4ade80}
.selscala{pointer-events:auto;color:var(--cyan);font-size:13px;padding:3px 4px;flex:1;min-width:0}
/* scheda AP (autopilota) */
.apan{padding:8px 10px;font-size:12px;display:grid;gap:7px}
.ap-modi{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}
.ap-btn.armato{border-color:#fff;color:#fff;box-shadow:inset 0 0 0 1px #fff}
.ap-stato .armato{color:#fff}
.ap-cdi{grid-column:span 2;font:700 12px var(--f-num);letter-spacing:.06em;color:#4ade80;border-color:#4ade80}
.ap-cdi.gps{color:var(--magenta);border-color:var(--magenta)}
.ap-btn{padding:8px 0;font:700 13px var(--f-num);letter-spacing:.1em}
.ap-btn.on{background:#4ade80;border-color:#4ade80;color:#06210f}
.ap-stato{font:700 11.5px var(--f-num);color:#4ade80;min-height:1.3em}
.verde{color:#4ade80}
.ap-riga{display:flex;align-items:center;gap:4px}
.ap-riga .lbl{min-width:4.6em}
.ap-riga button{padding:5px 0;flex:1;font-size:10px;letter-spacing:0}
.ap-val{min-width:5.2em;text-align:center;font:700 14px var(--f-num);color:var(--cyan)}
.ap-riga .unit{margin-left:4px}
.ap-nota{font-size:11px;line-height:1.4}
.schede button.acceso{color:#4ade80;border-color:#4ade80}

/* attesa del caricamento (sopra il briefing) */
.carica{position:absolute;inset:0;z-index:30;display:grid;place-items:center;padding:16px;background:#0b1322}
.carica.leggera{background:rgba(8,16,30,.72)}
.carica.via{opacity:0;pointer-events:none;transition:opacity .4s}
.carica.leggera .dim{display:none}
.carica-box{display:grid;justify-items:center;gap:14px;text-align:center;max-width:26rem}
.carica-titolo{font:700 22px var(--f-ui);letter-spacing:.22em;color:var(--cyan)}
.carica-aereo{font-size:40px;line-height:1;color:var(--ink);animation:carica-vola 2.4s ease-in-out infinite}
.carica-barra{width:min(18rem,70vw);height:4px;border-radius:2px;background:rgba(57,215,255,.18);overflow:hidden}
.carica-barra i{display:block;width:35%;height:100%;background:var(--cyan);border-radius:2px;animation:carica-scorre 1.3s ease-in-out infinite}
.carica p{margin:0}
.carica .dim{font-size:12px}
@keyframes carica-scorre{from{transform:translateX(-100%)}to{transform:translateX(290%)}}
@keyframes carica-vola{0%,100%{transform:translateY(0) rotate(-8deg)}50%{transform:translateY(-8px) rotate(4deg)}}
@media (prefers-reduced-motion:reduce){.carica-aereo,.carica-barra i{animation:none}}

/* avviso privacy (in basso, sopra tutto) */
.privacy{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:40;width:min(46rem,calc(100% - 32px));
  display:flex;align-items:center;gap:16px;background:rgba(8,16,30,.96);border:1px solid rgba(57,215,255,.45);border-radius:10px;
  padding:14px 18px;font-size:13px;line-height:1.5;box-shadow:0 6px 24px rgba(0,0,0,.45)}
.privacy p{margin:0;flex:1}
.privacy a{color:var(--cyan)}
.privacy button{flex:none}
@media (max-width:560px){.privacy{flex-direction:column;align-items:stretch}}
/* nota di non affiliazione in fondo al briefing */
.nota-marchi{margin:12px 0 0;font-size:11px;line-height:1.4;color:var(--dim);}
code.metar{display:block;margin:4px 0;font-family:"B612 Mono",monospace;font-size:11px;color:var(--cyan,#7dd3fc);white-space:normal;word-break:break-word}