/* Parallax flight planner. Same surface as Droney Mahoney: DM Sans, hairlines, no cards. */
@font-face{font-family:"DM Sans";font-style:normal;font-weight:100 1000;font-display:swap;src:url(../droneymahoney/assets/fonts/dm-sans-var-normal-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"DM Sans";font-style:normal;font-weight:100 1000;font-display:swap;src:url(../droneymahoney/assets/fonts/dm-sans-var-normal-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

:root{
  --bg:#f3f4f0;--surface:#fff;--ink:#1b2a2f;--mute:#62737a;--line:#dde3df;--tint:#e8eeea;
  --accent:#2b6a55;--accent-ink:#fff;--danger:#b4412c;--caution:#8a5a00;
  --r-sm:6px;--r-md:10px;
  --sans:"DM Sans",ui-sans-serif,system-ui,sans-serif;
  --shadow:0 1px 2px rgba(20,35,40,.08),0 4px 14px rgba(20,35,40,.12);
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0f1619;--surface:#172126;--ink:#e8eeec;--mute:#8fa1a8;--line:#26343a;--tint:#1f2d33;
  --accent:#5fb596;--accent-ink:#0c1a15;--danger:#e0735d;--caution:#e2b65a;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 18px rgba(0,0,0,.35);
}}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}
body{display:flex;flex-direction:column}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
h1,h2{font-weight:650;letter-spacing:-.015em;margin:0;line-height:1.15}

/* ---- controls ---- */
button,input,select{font:inherit;color:inherit}
button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:2.4rem;padding:0 .85rem;
  background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer;white-space:nowrap;
  transition:background-color .15s ease-out,border-color .15s ease-out,scale .1s ease-out}
button:hover{background:var(--tint)}
button:active{scale:.97}
button:disabled{opacity:.45;cursor:default;scale:1}
button.go{width:100%;min-height:2.9rem;background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
button.go:hover:not(:disabled){background:var(--accent);filter:brightness(1.08)}
input[type=text],input[type=number]{width:100%;min-width:0;min-height:2.4rem;padding:0 .65rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);font-variant-numeric:tabular-nums}
input:focus-visible{outline-offset:0;border-color:var(--accent)}
input[aria-invalid=true]{border-color:var(--danger)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);padding:2px;gap:2px}
.seg button{border:0;background:transparent;min-height:2.1rem;border-radius:calc(var(--r-md) - 2px);padding:0 .75rem}
.seg button:hover{background:var(--tint)}
.seg button[aria-pressed=true],.seg button[aria-checked=true]{background:var(--ink);color:var(--bg)}
.seg.wide{display:flex}
.seg.wide button{flex:1;padding:0 .4rem}

/* ---- header ---- */
.mast{display:flex;align-items:center;gap:1rem;padding:.6rem 1rem;background:var(--surface);border-bottom:1px solid var(--line);flex:none}
.mast .title{display:flex;align-items:baseline;gap:.7rem;flex-wrap:wrap;min-width:0}
.mast h1{font-size:1.2rem}
.mast .sub{color:var(--mute);font-size:.85rem}
.mast nav{margin-left:auto;display:flex;gap:.5rem}

/* ---- layout ---- */
main{flex:1;min-height:0;display:flex;flex-direction:column;overflow-y:auto}
.mapwrap{position:relative;flex:none;height:58dvh;min-height:20rem}
#map{position:absolute;inset:0;background:var(--tint);touch-action:none}
.panel{background:var(--surface);padding:0 1.1rem 2rem}
@media(min-width:900px){
  main{flex-direction:row;overflow:hidden}
  .mapwrap{flex:1;height:auto}
  .panel{flex:none;width:25rem;overflow-y:auto;border-left:1px solid var(--line)}
}

/* ---- map overlays ---- */
.maptools{position:absolute;z-index:500;left:.75rem;top:.75rem;right:3.6rem;display:flex;gap:.5rem;flex-wrap:wrap;pointer-events:none}
.maptools>*{pointer-events:auto;box-shadow:var(--shadow)}
.maptools .solo{border-radius:var(--r-md)}
.legend{position:absolute;z-index:500;left:.75rem;bottom:1.6rem;margin:0;padding:.45rem .7rem;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);font-size:.82rem;display:flex;flex-direction:column;gap:.15rem}
.legend li{display:flex;align-items:center;gap:.5rem}
.legend i{width:.65rem;height:.65rem;border-radius:50%;border:1.5px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.25);flex:none}
.legend span{color:var(--mute);margin-left:auto;padding-left:.8rem;font-variant-numeric:tabular-nums}
.dropcue{position:absolute;inset:.75rem;z-index:600;display:grid;place-items:center;border:2px dashed var(--accent);border-radius:var(--r-md);background:color-mix(in srgb,var(--surface) 80%,transparent);font-weight:600;pointer-events:none}
.leaflet-container{font-family:var(--sans)}
.leaflet-bar,.leaflet-control-layers{border:1px solid var(--line)!important;border-radius:var(--r-md)!important;box-shadow:var(--shadow)!important;overflow:hidden}
.leaflet-bar a{background:var(--surface);color:var(--ink);border-bottom-color:var(--line)}
.leaflet-bar a:hover{background:var(--tint)}
.leaflet-control-layers{background:var(--surface);color:var(--ink)}
.leaflet-control-attribution{font-size:.7rem}
.corner{border:2px solid #fff;border-radius:50%;background:var(--accent);color:#fff;font-weight:650;font-size:.72rem;display:grid;place-content:center;box-shadow:0 1px 4px rgba(0,0,0,.35);cursor:grab}
.corner:active{cursor:grabbing}

/* ---- panel ---- */
.group{padding:1.1rem 0;border-bottom:1px solid var(--line)}
.group h2{font-size:.78rem;font-weight:600;color:var(--mute);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.7rem}
.note{margin:0 0 .8rem;font-size:.92rem}
.hint{margin:.55rem 0 1rem;color:var(--mute);font-size:.88rem;min-height:2.5em}
.goto{display:flex;gap:.4rem}
/* Settings: big value, full-width slider, thumb-sized steppers. */
.fields{display:flex;flex-direction:column}
.field{padding:.7rem 0;border-top:1px solid var(--line)}
.field:first-child{border-top:0;padding-top:0}
.fhead{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:.35rem}
.fhead label{font-size:.92rem;font-weight:500}
.val{display:inline-flex;align-items:baseline;gap:.25rem}
.val input{width:4.6rem;min-height:2.2rem;padding:0 .4rem;text-align:right;font-size:1.25rem;font-weight:600;border-color:transparent;background:transparent;-moz-appearance:textfield;appearance:textfield}
.val input::-webkit-inner-spin-button,.val input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.val input:hover{border-color:var(--line)}
.val input:focus-visible{background:var(--surface);border-color:var(--accent)}
.val .unit{color:var(--mute);font-size:.9rem;min-width:1.6rem}
.fctl{display:flex;align-items:center;gap:.6rem}
.fctl .step{width:2.75rem;height:2.75rem;min-height:0;padding:0;border-radius:50%;font-size:1.3rem;line-height:1;flex:none;touch-action:manipulation}
.fctl .fit{height:2.75rem;flex:none;border-radius:var(--r-md)}
.fnote{margin:.35rem 0 0;color:var(--mute);font-size:.82rem}
input[type=range]{flex:1;min-width:0;height:2.75rem;margin:0;background:transparent;accent-color:var(--accent);-webkit-appearance:none;appearance:none;touch-action:pan-y;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:.3rem;border-radius:1rem;background:linear-gradient(to right,var(--accent) var(--fill,50%),var(--line) var(--fill,50%))}
input[type=range]::-moz-range-track{height:.3rem;border-radius:1rem;background:var(--line)}
input[type=range]::-moz-range-progress{height:.3rem;border-radius:1rem;background:var(--accent)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:1.6rem;height:1.6rem;margin-top:-.65rem;border-radius:50%;background:var(--surface);border:2px solid var(--accent);box-shadow:var(--shadow)}
input[type=range]::-moz-range-thumb{width:1.4rem;height:1.4rem;border-radius:50%;background:var(--surface);border:2px solid var(--accent);box-shadow:var(--shadow)}
input[type=range]:focus-visible{outline:none}
input[type=range]:focus-visible::-webkit-slider-thumb{outline:2px solid var(--accent);outline-offset:2px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;margin:0 0 1rem}
.facts div{display:flex;flex-direction:column;min-width:0}
.facts dt{font-size:.78rem;color:var(--mute)}
.facts dd{margin:0;font-size:1.15rem;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.warn{color:var(--danger);font-size:.92rem;margin:0 0 1rem}
.caution{color:var(--caution);font-size:.9rem;margin:0 0 1rem}
.viewing{display:flex;align-items:center;gap:.8rem;justify-content:space-between;padding:1rem 0;border-bottom:1px solid var(--line)}
.viewing div{display:flex;flex-direction:column;min-width:0}
.viewing strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.viewing span{color:var(--mute);font-size:.85rem}
.panel.readonly #g-area,.panel.readonly #g-flight{opacity:.4;pointer-events:none}
.fine{font-size:.8rem;color:var(--mute);line-height:1.5;margin:1.1rem 0 0}
@media(max-width:600px){
  .legend{flex-direction:row;flex-wrap:wrap;gap:.2rem .7rem;right:3.6rem;bottom:1.4rem;padding:.35rem .55rem;font-size:.75rem}
  .legend span{margin-left:0;padding-left:.15rem}
}
@media(max-width:420px){.facts{grid-template-columns:1fr 1fr;row-gap:.8rem}.mast .sub{display:none}}