*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#161B22;--surf:#21262D;--surf2:#2D333B;--surf3:#373E47;
  --border:#30363D;--border2:#444C56;
  --accent:#4A9EBF;--accent-dim:#0E2330;
  --green:#3FB950;--green-dim:#0B2515;
  --amber:#D29922;--amber-dim:#2B1F00;
  --red:#E05C5C;--purple:#A78BFA;--purple-dim:#1E1535;
  --text:#E6EDF3;--text-dim:#8B949E;--text-muted:#484F58;
  --font:'Space Grotesk',sans-serif;--mono:'JetBrains Mono',monospace;
  --nav-h:68px;--header-h:80px;--tab-h:38px;--range-h:100px;
  --bub:48px;--bub-gap:8px;--bub-pad:14px;
}
[data-theme="light"]{
  --bg:#EFE3CC;--surf:#F8F1E0;--surf2:#F1E6D0;--surf3:#E8D9BC;
  --border:#D8C7A1;--border2:#C3AC80;
  --accent:#A8512E;--accent-dim:#F0DCC8;
  --green:#5B7F44;--green-dim:#E3EAD7;
  --amber:#A6790B;--amber-dim:#F5E8C8;
  --red:#A23B2E;--purple:#7A5C8E;--purple-dim:#EAE1ED;
  --text:#3B2E1F;--text-dim:#6B5A45;--text-muted:#A8967A;
}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);font-family:var(--font);
  min-height:100vh;
  padding-top:calc(var(--header-h) + var(--tab-h) + var(--range-h));
  padding-bottom:calc(var(--nav-h) + 24px);
  transition:background .3s,color .3s;
}

/* ── INTRO / WELCOME SCREEN ── */
#introScreen{
  position:fixed;inset:0;z-index:9999;
  background:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:1;
  transition:opacity .7s ease,transform .55s ease;
}
#introScreen img{width:100%;max-width:700px;padding:0;display:block}
#introScreen.show{opacity:1}
#introScreen.fly{
  opacity:0;transform:scale(1.18) translateY(-50px);
  transition:opacity .55s ease,transform .55s cubic-bezier(.4,0,.2,1);
}
#introScreen.hide{display:none}

/* ── FIXED HEADER (2-row) ── */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:var(--surf);border-bottom:1px solid var(--border);
  height:var(--header-h);
  display:flex;flex-direction:column;
  padding:0;
  transition:background .3s,border-color .3s;
}
.topbar-row1{
  display:flex;align-items:center;gap:6px;
  padding:0 14px;height:48px;flex-shrink:0;
}
.topbar-row1 > div:nth-child(1){display: flex;align-items: center;}
.topbar-row1 img{height: 32px;width: auto;flex-shrink: 0;}
.topbar-row1 h1 {margin-left: 10px;font-size: 20px; line-height: 1;color: #bf1f17;font-weight: 900;}
.topbar-row2{
  display:flex;align-items:center;
  padding:0 14px;height:32px;border-top:1px solid var(--border);
}
.tengu-svg{width:28px;height:28px;flex-shrink:0}
.header-logo{height:34px;width:auto;display:block;flex-shrink:0}
.topbar-right{margin-left:auto;display:flex;gap:2px;align-items:center;position:relative}
.page-nav-menu{
  position:absolute;top:calc(100% + 8px);right:0;min-width:180px;
  background:var(--surf);border:1px solid var(--border);border-radius:10px;
  box-shadow:0 8px 18px rgba(59,46,31,.18);overflow:hidden;
  display:none;flex-direction:column;z-index:500;
}
.page-nav-menu.open{display:flex}
.page-nav-menu a{
  padding:11px 16px;font-size:.82rem;font-weight:600;color:var(--text);
  text-decoration:none;border-bottom:1px solid var(--border);
}
.page-nav-menu a:last-child{border-bottom:none}
.page-nav-menu a:hover{background:var(--surf2);color:var(--accent)}
.icon-btn{
  background:transparent;border:1px solid transparent;border-radius:6px;
  color:var(--text-dim);width:32px;height:32px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;position:relative;flex-shrink:0;
}
.icon-btn:hover{border-color:var(--border2);color:var(--text);background:var(--surf2)}
.icon-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#listTitle{
  flex:1;background:transparent;border:none;
  color:var(--text);font-family:var(--font);font-size:0.82rem;font-weight:500;
  padding:0;outline:none;
  border-bottom:1px solid var(--border);
  transition:border-color .2s;height:22px;
}
#listTitle::placeholder{color:var(--text-muted);font-weight:400}
#listTitle:focus{border-bottom-color:var(--accent)}
.theme-track{width:32px;height:17px;background:var(--surf2);border:1px solid var(--border);border-radius:20px;position:relative;cursor:pointer;transition:background .2s;flex-shrink:0}
.theme-thumb{width:11px;height:11px;background:var(--accent);border-radius:50%;position:absolute;top:2px;left:2px;transition:transform .2s}
[data-theme="light"] .theme-thumb{transform:translateX(15px)}

/* ── SEASON TABS ── */
.season-bar{
  position:fixed;top:var(--header-h);left:0;right:0;z-index:199;
  background:var(--surf);border-bottom:1px solid var(--border);
  height:var(--tab-h);display:flex;align-items:stretch;
  transition:background .3s;
}
.stab{
  flex:1;padding:0;border:none;border-bottom:2px solid transparent;
  background:transparent;color:var(--text-muted);
  font-family:var(--font);font-size:0.78rem;font-weight:700;
  letter-spacing:.07em;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;
}
.stab:hover{color:var(--text-dim)}
.stab.active{color:var(--text);border-bottom-color:var(--accent)}
.s-icon{font-size:1.15rem}

/* ── MOUNTAIN BANNER ── */
.mountain-banner{
  position:fixed;
  top:calc(var(--header-h) + var(--tab-h));
  left:0;right:0;z-index:198;
  height:var(--range-h);overflow:hidden;
}
.mountain-banner svg{width:100%;height:100%;display:block}

/* ── SCREENS ── */
.screen{display:none}
.screen.active{display:block}
.screen-inner{max-width:700px;margin:0 auto;padding:14px 14px 0}
.climb-screen .screen-inner{padding-bottom:14px}
#screen-equip .screen-inner{position:relative;}
/* ── PACK HEADER ── */
.pack-header-row{
  display:flex;align-items:center;gap:8px;margin-bottom:8px;
}
.pack-label{font-size:0.62rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}
.pack-count{font-family:var(--mono);font-size:0.72rem;color:var(--accent);margin-left:auto}

/* ── PACK CANVAS ── */
.pack-canvas{
  background:var(--surf);border:1px solid var(--border);border-radius:10px;
  min-height:calc(var(--bub-pad)*2 + var(--bub)*2 + var(--bub-gap));
  overflow-y:auto;overflow-x:hidden;
  position:relative;
  cursor:pointer;
  transition:background .3s,border-color .3s,height .2s;
  scrollbar-width:thin;scrollbar-color:transparent transparent;
}
.pack-canvas:hover{scrollbar-color:var(--border2) transparent}
.pack-canvas::-webkit-scrollbar{width:3px}
.pack-canvas::-webkit-scrollbar-track{background:transparent}
.pack-canvas::-webkit-scrollbar-thumb{background:transparent;border-radius:2px;transition:background .2s}
.pack-canvas:hover::-webkit-scrollbar-thumb{background:var(--border2)}
.pack-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:calc(var(--bub-pad)*2 + var(--bub)*2 + var(--bub-gap));
  gap:8px;color:var(--text-muted);pointer-events:none;
}
.pack-empty-glyph{font-size:2rem;opacity:.18}
.pack-empty-txt{font-size:0.7rem;opacity:.4;text-align:center;padding:0 16px}
.pack-icons-grid{
  display:flex;flex-wrap:wrap;align-content:flex-start;
  gap:var(--bub-gap);padding:var(--bub-pad);
}
.pack-bubble{
  width:var(--bub);height:var(--bub);border-radius:10px;
  background:var(--green-dim);border:1px solid var(--green);
  display:flex;align-items:center;justify-content:center;
  font-size:1.45rem;position:relative;cursor:default;flex-shrink:0;
  animation:bubIn .24s cubic-bezier(.34,1.56,.64,1) both;
  transition:transform .1s,border-color .15s;
  -webkit-tap-highlight-color:transparent;
}
.pack-bubble:hover{transform:scale(1.08);border-color:#52d068}
@keyframes bubIn{from{opacity:0;transform:scale(.4) rotate(-10deg)}to{opacity:1;transform:scale(1) rotate(0)}}
.bubble-remove{
  position:absolute;top:-5px;right:-5px;
  width:15px;height:15px;
  background:var(--red);border:none;border-radius:50%;
  color:#fff;font-size:0.55rem;font-weight:700;cursor:pointer;
  display:none;align-items:center;justify-content:center;
  line-height:1;z-index:5;
}
.pack-bubble:hover .bubble-remove{display:flex}
/* Touch: show remove after tap (handled in JS) */
.pack-bubble.tapped .bubble-remove{display:flex}

/* ── GLOBAL TOOLTIP ── */
#gTooltip{
  position:absolute;
  /* bottom:calc(var(--nav-h) + 32px); */
  top: 18px;
  left:50px;
  /* transform:translateX(-50%); */
  background:var(--surf2);border:1px solid var(--border2);
  color:var(--text);font-family:var(--font);font-size:0.72rem;font-weight:600;
  padding:4px 12px;border-radius:6px;
  pointer-events:none;z-index:500;
  white-space:nowrap;
  opacity:0;transition:opacity .15s;
}
#gTooltip.show{opacity:1}

/* ── MEAL SCREEN ── */
.meal-screen .screen-inner{padding-bottom:14px}
.screen-title{font-size:0.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:12px}
.meal-setup{background:var(--surf);border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:14px;display:flex;gap:16px;flex-wrap:wrap;align-items:flex-start}
.meal-setup-field{display:flex;flex-direction:column;gap:4px}
.mf-label{font-size:0.6rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.mf-row{display:flex;align-items:center;gap:6px}
input[type="number"],input[type="text"],input[type="date"],textarea{
  background:var(--surf2);border:1px solid var(--border);border-radius:6px;
  color:var(--text);font-family:var(--font);font-size:0.82rem;
  padding:6px 10px;outline:none;transition:border-color .2s,background .3s;
}
input[type="number"]:focus,input[type="text"]:focus,input[type="date"]:focus,textarea:focus{border-color:var(--accent)}
input[type="number"]{width:66px}
.mf-unit{font-size:0.75rem;color:var(--text-dim)}
.water-computed{font-family:var(--mono);font-size:0.82rem;color:var(--accent);padding:6px 10px;background:var(--accent-dim);border:1px solid #1A3D56;border-radius:6px;white-space:nowrap}
[data-theme="light"] .water-computed{background:#F0DCC8;border-color:#D8C7A1;color:var(--accent)}
.meal-badge{font-size:0.82rem;font-family:var(--mono);color:var(--accent);background:var(--accent-dim);border:1px solid #1A3D56;border-radius:6px;padding:6px 10px}
[data-theme="light"] .meal-badge{background:#F0DCC8;border-color:#D8C7A1}
.day-block{background:var(--surf);border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:10px}
.day-block-head{font-size:0.64rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.meal-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.meal-tag-sm{font-size:0.6rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 8px;border-radius:3px;width:68px;text-align:center;flex-shrink:0}
.tag-b{background:var(--amber-dim);color:var(--amber)}
.tag-l{background:var(--green-dim);color:var(--green)}
.tag-d{background:var(--accent-dim);color:var(--accent)}
.tag-s{background:var(--purple-dim);color:var(--purple)}
[data-theme="light"] .tag-b{background:#F5E8C8;color:#8A6209}
[data-theme="light"] .tag-l{background:#E3EAD7;color:#4A6B38}
[data-theme="light"] .tag-d{background:#F0DCC8;color:#8B4226}
[data-theme="light"] .tag-s{background:#EAE1ED;color:#6B4E80}
.meal-inp{flex:1;font-size:0.78rem;padding:5px 8px}

/* ── CLIMB DETAILS ── */
.climb-card{background:var(--surf);border:1px solid var(--border);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:12px}
.cf-row{display:flex;flex-direction:column;gap:5px}
.cf-label{font-size:0.6rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.cf-2col{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cf-row input[type="text"],.cf-row input[type="date"],.cf-row textarea{width:100%}
.cf-row textarea{resize:vertical;min-height:70px;font-size:0.8rem;line-height:1.5}
.itin-duration{font-family:var(--mono);font-size:0.78rem;color:var(--accent);background:var(--accent-dim);border:1px solid #1A3D56;border-radius:6px;padding:6px 10px;margin-bottom:10px;display:inline-block}
[data-theme="light"] .itin-duration{background:#F0DCC8;border-color:#D8C7A1}
.itin-empty{font-size:0.78rem;color:var(--text-muted);padding:4px 0}
#itineraryWrap .itin-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
#itineraryWrap .itin-time{width:84px;flex-shrink:0;font-size:0.78rem;padding:5px 8px;width:25%;}
#itineraryWrap .itin-activity{flex:1;font-size:0.78rem;padding:5px 8px}
.itin-rm{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:0.7rem;padding:3px 5px;flex-shrink:0;transition:color .15s}
.itin-rm:hover{color:var(--red)}
.itin-addline{margin-top:2px}

/* ── FLOAT NAV ── */
.float-nav{
  position:fixed;bottom:20px;left:20px;right:20px;
  background:var(--surf);border:1px solid var(--border);
  border-radius:20px;height:var(--nav-h);
  display:flex;align-items:center;
  z-index:200;box-shadow:0 8px 32px rgba(0,0,0,.4);
  transition:background .3s,border-color .3s;
  max-width:700px;margin:0 auto;
}
.nav-btn{
  flex:1;height:100%;border:none;background:transparent;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;color:var(--text-muted);transition:color .15s;border-radius:20px;
}
.nav-btn:hover{color:var(--text-dim);background:var(--surf2)}
.nav-btn.active{color:var(--accent)}
.nav-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-btn span{font-size:0.58rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}

/* ── DRAWER ── */
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px);z-index:250;opacity:0;pointer-events:none;transition:opacity .25s}
.drawer-overlay.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;width:300px;height:100%;
  background:var(--surf);border-right:1px solid var(--border);
  z-index:260;display:flex;flex-direction:column;
  transform:translateX(-300px);transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  padding:12px 14px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  flex-shrink:0;background:var(--surf2);
}
.drawer-title{font-size:0.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}
.drawer-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1rem;padding:4px;transition:color .15s;line-height:1}
.drawer-close:hover{color:var(--text)}
.drawer-add{padding:10px 12px;border-bottom:1px solid var(--border);flex-shrink:0;display:flex;gap:6px}
.gear-inp{flex:1;background:var(--surf2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--font);font-size:0.78rem;padding:6px 10px;outline:none;transition:border-color .15s}
.gear-inp:focus{border-color:var(--accent)}
.gear-inp::placeholder{color:var(--text-muted)}
.btn-add{background:var(--accent);border:none;border-radius:6px;color:#fff;font-size:1.1rem;width:30px;height:30px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}
.btn-add:hover{background:#5bb4d4}
.drawer-list{flex:1;overflow-y:auto;padding:4px 0}
.drawer-list::-webkit-scrollbar{width:3px}
.drawer-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.cat-header{display:flex;align-items:center;justify-content:space-between;padding:6px 12px 3px;border-bottom:1px solid var(--border);margin-top:4px}
.cat-lbl{font-size:0.58rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}
.cat-select-all{font-size:0.58rem;font-weight:600;color:var(--accent);background:none;border:none;cursor:pointer;padding:1px 5px;border-radius:3px;transition:background .1s}
.cat-select-all:hover{background:var(--accent-dim)}
.gear-item{display:flex;align-items:center;gap:7px;padding:5px 12px;cursor:pointer;transition:background .1s;user-select:none}
.gear-item:hover{background:var(--surf2)}
.gear-item.checked{background:var(--green-dim)}
.gear-cb{width:14px;height:14px;border:1.5px solid var(--border2);border-radius:3px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:0.58rem;font-weight:700;transition:all .15s}
.gear-item.checked .gear-cb{background:var(--green);border-color:var(--green);color:#fff}
.gear-icon{font-size:0.88rem;width:16px;text-align:center}
.gear-name{flex:1;font-size:0.75rem;font-weight:500}
.gear-item.checked .gear-name{color:var(--green)}
.gear-del{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:0.72rem;padding:2px 4px;opacity:0;transition:opacity .1s,color .1s}
.gear-item:hover .gear-del{opacity:1}
.gear-del:hover{color:var(--red)}

/* ── MODALS ── */
.modal-ov{position:fixed;inset:0;background:rgba(0,0,0,.75);backdrop-filter:blur(4px);z-index:400;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-ov.hidden{display:none}
.modal{background:var(--surf);border:1px solid var(--border);border-radius:12px;padding:20px;width:100%;max-width:520px;max-height:85vh;display:flex;flex-direction:column;gap:12px;overflow-y:auto}
.modal-title{font-size:0.88rem;font-weight:700;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.modal-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.1rem;padding:2px;transition:color .15s}
.modal-close:hover{color:var(--text)}
/* About */
.about-logo-ph{
  width:180px;margin:0 auto;display:flex;align-items:center;justify-content:center;
}
.about-logo-ph img{width:100%;height:auto;display:block}
.about-dev{text-align:center;padding-top:6px}
.about-dev .dev-name{font-size:0.9rem;font-weight:700;color:var(--text);margin-bottom:4px}
.about-dev p{font-size:0.74rem;color:var(--text-dim);line-height:1.8}
.about-copy{font-size:0.62rem;color:var(--text-muted);text-align:center;padding-top:10px;border-top:1px solid var(--border)}
/* Export */
.export-pre{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:12px;font-family:var(--mono);font-size:0.68rem;color:var(--text-dim);white-space:pre-wrap;overflow-y:auto;max-height:300px;flex:1;line-height:1.7}
.modal-foot{display:flex;gap:6px;justify-content:flex-end;flex-shrink:0;flex-wrap:wrap}
.mbtn{padding:5px 12px;border-radius:5px;border:1px solid var(--border);font-family:var(--font);font-size:0.68rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;transition:all .15s}
.mbtn-ghost{background:transparent;color:var(--text-dim)}
.mbtn-ghost:hover{border-color:var(--border2);color:var(--text)}
.mbtn-acc{background:var(--accent);border-color:var(--accent);color:#fff}
.mbtn-acc:hover{background:#5bb4d4}

/* light overrides */
[data-theme="light"] input[type="number"],[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="date"],[data-theme="light"] textarea{background:#FBF5E8;color:var(--text)}
[data-theme="light"] .gear-inp{background:#FBF5E8;color:var(--text)}