:root{
  --paper:#f3f1eb;
  --paper-dim:#eae7de;
  --ink:#22261f;
  --ink-soft:#5a5c50;
  --line:#d8d3c4;
  --accent:#c1502e;
  --accent-dim:#c1502e22;
  --moss:#52705b;
  --danger:#a8352b;
  --radius:6px;
  font-size:15px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{height:100%;margin:0;overflow-x:hidden;}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace;}

#app{height:100vh;display:flex;flex-direction:column;max-width:100vw;overflow-x:hidden;}

/* ---- TOPBAR ---- */
#topbar{
  display:flex;align-items:center;gap:18px;
  padding:10px 16px;
  background:var(--ink);
  color:var(--paper);
  flex-wrap:wrap;
  border-bottom:3px solid var(--accent);
}
/* Su desktop il markup di riga1 (logo + hamburger) si comporta come elementi diretti della topbar,
   così brand / azioni / stato restano su un'unica riga come prima. Su mobile viene ripristinato
   come riga a sé stante (vedi media query). */
.topbar-row1{display:contents;}
.brand{display:flex;align-items:center;gap:8px;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.05rem;letter-spacing:.2px;}
.brand-logo{width:28px;height:28px;border-radius:7px;display:block;object-fit:cover;flex-shrink:0;}
.topbar-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.sep{width:1px;height:22px;background:#ffffff2a;margin:0 4px;}
.topbar-status{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-size:.8rem;color:#d8d5c8;max-width:40vw;}
#currentFileLabel{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;}
.save-status{flex-shrink:0;font-size:.72rem;color:#9fb89a;}
.save-status.dirty{color:#e0a15c;}

.icon-only-btn{
  display:none;
  background:transparent;color:var(--paper);border:1px solid #ffffff33;
  border-radius:var(--radius);width:36px;height:36px;font-size:1.05rem;
  cursor:pointer;align-items:center;justify-content:center;flex-shrink:0;
}
.icon-only-btn:hover{background:#ffffff1a;}
#sidebarBackdrop{display:none;}

.btn{
  background:transparent;color:var(--paper);
  border:1px solid #ffffff33;
  padding:7px 12px;border-radius:var(--radius);
  font-size:.82rem;font-family:inherit;cursor:pointer;
  transition:background .12s ease, border-color .12s ease;
  white-space:nowrap;
}
.btn:hover{background:#ffffff1a;border-color:#ffffff55;}
.btn-primary{background:var(--accent);border-color:var(--accent);}
.btn-primary:hover{background:#a8432a;}
.toggle-btn.active{background:var(--moss);border-color:var(--moss);}
.btn-block{display:block;width:100%;text-align:center;margin-bottom:8px;color:var(--ink);border-color:var(--line);font-size:.95rem;padding:11px 12px;}
.btn-block:hover{background:var(--paper-dim);}

/* ---- BODY LAYOUT ---- */
#body{flex:1;display:flex;min-height:0;}
#sidebar{
  width:320px;flex-shrink:0;
  background:var(--paper);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  overflow:hidden;
  position:relative;
}
.tabs{display:flex;border-bottom:1px solid var(--line);}
.tab-btn{
  flex:1;padding:11px 6px;background:none;border:none;cursor:pointer;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.82rem;
  color:var(--ink-soft);border-bottom:2px solid transparent;
}
.tab-btn.active{color:var(--ink);border-bottom-color:var(--accent);}
.tab-panel{display:none;padding:14px;overflow-y:auto;flex:1;}
.tab-panel.active{display:block;}

.panel-actions{margin-bottom:14px;}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-top:4px;}
h3{font-family:'Space Grotesk',sans-serif;font-size:.78rem;text-transform:none;letter-spacing:.2px;color:var(--ink-soft);margin:14px 0 8px;font-weight:600;}
.hint{font-size:.92rem;color:var(--ink-soft);line-height:1.55;margin:0 0 14px;}
.empty-hint{font-size:.85rem;color:var(--ink-soft);font-style:italic;}

.info-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.85rem;font-weight:600;color:var(--accent);
  text-decoration:none;border-bottom:1px solid transparent;
  margin:-4px 0 14px;
}
.info-link:hover{border-bottom-color:var(--accent);}
.info-banner-link{display:block;margin:4px 0 14px;}
.info-banner-link img{
  max-width:100%;height:auto;border-radius:8px;border:1px solid var(--line);
  box-shadow:0 2px 10px #0002;display:block;margin:0 auto;
}

.list{display:flex;flex-direction:column;gap:6px;}
.list-row{
  display:flex;align-items:center;gap:8px;
  padding:8px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;cursor:pointer;
}
.list-row.active{border-color:var(--accent);background:var(--accent-dim);}
.row-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px;cursor:pointer;}
.row-name{border:none;background:transparent;font-family:inherit;font-size:.85rem;font-weight:500;color:var(--ink);padding:1px 0;width:100%;}
.row-name:focus{outline:none;border-bottom:1px solid var(--accent);}
.row-name-static{font-size:.85rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.row-sub{font-size:.7rem;color:var(--ink-soft);}
.swatch{width:12px;height:12px;border-radius:50%;flex-shrink:0;}
.wpt-swatch{background:var(--moss);}
.icon-btn{background:none;border:none;cursor:pointer;font-size:.9rem;color:var(--ink-soft);padding:4px;border-radius:4px;}
.icon-btn:hover{background:var(--paper-dim);color:var(--ink);}

.sidebar-close{display:none;position:absolute;top:8px;right:8px;color:var(--ink);border-color:var(--line);z-index:5;}
.sidebar-close:hover{background:var(--paper-dim);}

.stats{display:flex;flex-direction:column;gap:6px;}
.stat{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;padding:6px 8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);}
.stat span{color:var(--ink-soft);}
.stat strong{font-weight:500;font-size:.82rem;}

.btn-small{font-size:.72rem;padding:5px 9px;border-radius:4px;border:1px solid var(--line);background:#fff;cursor:pointer;}
.btn-danger{color:var(--danger);border-color:var(--danger);}
.btn-danger:hover{background:#a8352b11;}

/* ---- MAP AREA ---- */
#mapArea{flex:1;display:flex;flex-direction:column;min-width:0;position:relative;}
#map{flex:1;background:#dcd9cd;}

/* ---- SEARCH BOX (floating over map) ---- */
.map-search{
  position:absolute;top:14px;left:14px;z-index:900;
  width:min(320px, calc(100% - 28px));
}
.map-search input{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:.85rem;background:#fff;
  box-shadow:0 2px 10px #0002;
}
.map-search input:focus{outline:none;border-color:var(--accent);}
.search-results{
  margin-top:6px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 4px 14px #0002;overflow:hidden;max-height:260px;overflow-y:auto;
}
.search-results.hidden{display:none;}
.search-result{
  padding:9px 12px;font-size:.8rem;cursor:pointer;border-bottom:1px solid var(--line);
  display:flex;flex-direction:column;gap:1px;
}
.search-result:last-child{border-bottom:none;}
.search-result:hover{background:var(--paper-dim);}
.search-result .r-title{font-weight:500;color:var(--ink);}
.search-result .r-sub{font-size:.7rem;color:var(--ink-soft);}
.search-empty{padding:10px 12px;font-size:.78rem;color:var(--ink-soft);font-style:italic;}

/* Leaflet layer-switcher control, restyled to match theme */
.leaflet-control-layers{
  border-radius:var(--radius) !important;border:1px solid var(--line) !important;
  box-shadow:0 2px 10px #0002 !important;font-family:'Inter',sans-serif;
}
.leaflet-control-layers-toggle{width:34px !important;height:34px !important;}
.leaflet-control-layers-expanded{padding:10px 12px !important;font-size:.8rem;}
.leaflet-control-layers label{margin-bottom:5px;}

/* ---- DRAG & DROP OVERLAY ---- */
#dropOverlay{
  position:fixed;inset:0;z-index:5000;
  background:#22261fcc;
  display:flex;align-items:center;justify-content:center;
}
#dropOverlay.hidden{display:none;}
.drop-inner{
  border:3px dashed var(--paper);border-radius:12px;
  padding:60px 90px;color:var(--paper);
  font-family:'Space Grotesk',sans-serif;font-size:1.2rem;font-weight:600;
  text-align:center;
}
#elevWrap{height:180px;background:#fff;border-top:1px solid var(--line);padding:10px 14px 4px;}
#elevWrap.hidden{display:none;}
#elevChart{width:100%;height:100%;}

.vertex-handle{cursor:grab;}
.vertex-popup .leaflet-popup-content{margin:8px 10px;}
.vertex-popup .leaflet-popup-content-wrapper{border-radius:var(--radius);}

/* waypoint popup */
.wpt-popup{display:flex;flex-direction:column;gap:6px;font-family:'Inter',sans-serif;}
.wpt-popup label{font-size:.68rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.4px;}
.wpt-popup input,.wpt-popup textarea{
  font-family:inherit;font-size:.82rem;padding:5px 7px;border:1px solid var(--line);border-radius:4px;resize:vertical;
}
.wpt-popup-actions{display:flex;justify-content:flex-end;margin-top:2px;}

/* toast */
#toast{
  position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:var(--radius);
  font-size:.82rem;opacity:0;pointer-events:none;transition:all .2s ease;
  box-shadow:0 4px 14px #0003;z-index:2000;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
#toast.error{background:var(--danger);}

/* ---- RESPONSIVE (mobile) ----
   La mappa deve restare grande: la sidebar diventa un pannello a scomparsa
   (drawer) che si apre sopra la mappa invece di occuparne lo spazio. */
@media (max-width: 860px){
  #topbar{flex-direction:column;align-items:stretch;gap:8px;padding:8px 14px 10px;}
  .topbar-row1{display:flex !important;align-items:center;justify-content:space-between;}
  .brand-name{font-size:.95rem;}
  .icon-only-btn{display:flex;}
  #sidebarToggle{
    flex-shrink:0;width:40px;height:40px;margin-left:10px;
  }
  .topbar-actions{flex-wrap:wrap;row-gap:6px;}
  .btn{padding:7px 11px;font-size:.78rem;}
  .topbar-status{margin-left:0;flex-direction:row;align-items:center;justify-content:space-between;max-width:none;width:100%;font-size:.74rem;}

  #body{flex-direction:row;position:relative;overflow:hidden;}

  #sidebar{
    position:fixed;top:0;bottom:0;left:0;
    width:86vw;max-width:340px;height:100%;
    transform:translateX(-100%);
    transition:transform .22s ease;
    z-index:1500;
    box-shadow:6px 0 18px #0004;
  }
  #sidebar.open{transform:translateX(0);}
  .sidebar-close{display:flex;}
  .tabs{margin-top:6px;}

  #sidebarBackdrop{
    display:block;position:fixed;inset:0;background:#20241f66;
    opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:1400;
  }
  #sidebarBackdrop.show{opacity:1;pointer-events:auto;}

  #mapArea{width:100%;}
  #elevWrap{height:130px;padding:8px 10px 2px;}
  .map-search{top:10px;left:10px;width:min(260px, calc(100% - 20px));}
}

/* focus visibility */
button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--accent); outline-offset:1px;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}

/* ================= SEZIONI INFORMATIVE (sotto il tool) ================= */
.info-wrap{max-width:920px;margin:0 auto;padding:0 24px;}
.info-section{padding:56px 0;}
.info-section.alt{background:var(--paper-dim);}
.info-section h2{
  font-family:'Space Grotesk',sans-serif;font-size:1.5rem;font-weight:600;
  color:var(--ink);margin:0 0 28px;text-align:center;
}
.info-intro{padding:64px 0 48px;text-align:center;}
.eyebrow{
  display:inline-block;font-size:.72rem;letter-spacing:.4px;font-weight:600;
  color:var(--moss);text-transform:uppercase;margin:0 0 14px;
}
.info-intro h1{
  font-family:'Space Grotesk',sans-serif;font-size:2rem;font-weight:700;
  color:var(--ink);margin:0 0 16px;line-height:1.25;
}
.info-intro p{font-size:1rem;color:var(--ink-soft);line-height:1.6;max-width:680px;margin:0 auto;}

.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:18px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;
}
.info-card h3{
  font-family:'Space Grotesk',sans-serif;font-size:.95rem;font-weight:600;
  color:var(--accent);margin:0 0 8px;
}
.info-card p{font-size:.85rem;color:var(--ink-soft);line-height:1.55;margin:0;}

.steps-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:24px;}
.step{text-align:center;padding:0 8px;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:.95rem;margin-bottom:12px;
}
.step h3{font-family:'Space Grotesk',sans-serif;font-size:.95rem;font-weight:600;color:var(--ink);margin:0 0 8px;}
.step p{font-size:.85rem;color:var(--ink-soft);line-height:1.55;margin:0;}

.faq-list{display:flex;flex-direction:column;gap:14px;max-width:760px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;}
.faq-q{font-weight:600;color:var(--ink);font-size:.88rem;margin:0 0 6px;}
.faq-a{font-size:.85rem;color:var(--ink-soft);line-height:1.55;margin:0;}

/* ================= FOOTER ================= */
#siteFooter{
  background:var(--ink);color:#c9c6ba;padding:22px 20px;
}
.footer-wrap{
  max-width:920px;margin:0 auto;display:flex;align-items:center;
  gap:14px;flex-wrap:wrap;justify-content:center;text-align:center;
}
.footer-logo img{height:100px;display:block;}
.footer-text{font-size:1.0rem;line-height:1.7;margin:0;color:#b6b3a7;}
.footer-text a{color:#d8d5c8;text-decoration:underline;}
.footer-text a:hover{color:#fff;}
.footer-credit img{height:16px;vertical-align:middle;display:inline-block;}

@media (max-width: 720px){
  .info-grid{grid-template-columns:1fr 1fr;}
  .steps-grid{grid-template-columns:1fr;gap:28px;}
  .info-intro h1{font-size:1.5rem;}
  .info-section{padding:40px 0;}
}
@media (max-width: 480px){
  .info-grid{grid-template-columns:1fr;}
}