/* Layout: a "water surface" header band with bubbles and caustic light, then the page sinks
   into deeper water: places + map, two planning cards (days, tanks), one dive-log style table. */
:root{
  /* light: sunlit shallows */
  --bg:#e3f2f3; --bg-deep:#bfdde3; --surface:rgba(255,255,255,.88); --surface-solid:#ffffff;
  --fg:#0a2a33; --muted:#4a6d75; --line:#c2dadf;
  --accent:#08808e; --accent-fg:#ffffff; --accent-soft:#d8eff1;
  --flag:#d62839; --tank:#f2b92b; --tank-dark:#c48d0c;
  --best:#16804a; --best-soft:#dcf2e5; --warn:#9a6a10; --closed:#a33b3b; --wa:#128c47;
  --sea-1:#29b6c6; --sea-2:#0b6f8a; --sea-3:#0a4562;
  --display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --body:"IBM Plex Sans",ui-sans-serif,system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  /* dark: open water at depth */
  --bg:#061b25; --bg-deep:#020a10; --surface:rgba(9,36,49,.86); --surface-solid:#0a2633;
  --fg:#def1f4; --muted:#8db0b8; --line:#1a3e4b;
  --accent:#4fd3de; --accent-fg:#03222a; --accent-soft:#0f3a46;
  --flag:#ff4d5e; --tank:#f5c44a; --tank-dark:#b8890f;
  --best:#5fd08d; --best-soft:#123a2a; --warn:#e8b552; --closed:#e07b7b; --wa:#3ddc84;
  --sea-1:#127f93; --sea-2:#0a4a63; --sea-3:#062c3d;
  color-scheme:dark}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.5;
  background:var(--bg-deep) linear-gradient(180deg,var(--bg) 0,var(--bg) 40%,var(--bg-deep) 100%) no-repeat;min-height:100vh}
button,input,select{font:inherit;color:inherit}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- surface header ---------- */
.surface{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(180deg,var(--sea-1) 0%,var(--sea-2) 55%,var(--sea-3) 100%);
  padding-top:env(safe-area-inset-top,0px)}
.surface-in{position:relative;z-index:2;max-width:1320px;margin:0 auto;padding-block:36px 64px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.brand{display:flex;align-items:center;gap:10px}
.flag{width:30px;height:22px;flex:none;box-shadow:0 1px 3px rgba(0,0,0,.3);border-radius:2px}
.eyebrow{font:600 .74rem var(--mono);letter-spacing:.14em;text-transform:uppercase;opacity:.85}
h1{font-family:var(--display);font-weight:800;font-size:clamp(2rem,5vw,3.3rem);line-height:1.02;margin:10px 0 0;
  letter-spacing:-.02em;text-wrap:balance;text-shadow:0 2px 18px rgba(0,30,45,.35)}
.lede{margin:12px 0 0;max-width:62ch;font-size:1.02rem;color:rgba(255,255,255,.9)}
.lede b{color:#fff;font-weight:600}
.wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:36px;z-index:2}
.wave path{fill:var(--bg)}
.caustics{position:absolute;inset:-40%;z-index:0;opacity:.28;mix-blend-mode:soft-light;
  background:
    radial-gradient(closest-side,rgba(255,255,255,.9),transparent 70%) 10% 20%/240px 160px,
    radial-gradient(closest-side,rgba(255,255,255,.8),transparent 70%) 60% 10%/320px 200px,
    radial-gradient(closest-side,rgba(255,255,255,.7),transparent 70%) 85% 60%/260px 180px,
    radial-gradient(closest-side,rgba(255,255,255,.8),transparent 70%) 30% 70%/300px 170px;
  background-repeat:repeat}
.bubbles{position:absolute;inset:0;z-index:1;pointer-events:none}
.bubbles i{position:absolute;bottom:-20px;width:10px;height:10px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.55);background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.5),transparent 60%);opacity:0}
.bubbles i:nth-child(1){left:6%;width:8px;height:8px}
.bubbles i:nth-child(2){left:14%;width:14px;height:14px}
.bubbles i:nth-child(3){left:38%;width:6px;height:6px}
.bubbles i:nth-child(4){left:63%;width:12px;height:12px}
.bubbles i:nth-child(5){left:78%;width:7px;height:7px}
.bubbles i:nth-child(6){left:88%;width:16px;height:16px}
.bubbles i:nth-child(7){left:95%;width:9px;height:9px}
@media (prefers-reduced-motion:no-preference){
  .bubbles i{animation:rise 9s linear infinite}
  .bubbles i:nth-child(2){animation-duration:12s;animation-delay:2s}
  .bubbles i:nth-child(3){animation-duration:8s;animation-delay:4s}
  .bubbles i:nth-child(4){animation-duration:11s;animation-delay:1s}
  .bubbles i:nth-child(5){animation-duration:10s;animation-delay:6s}
  .bubbles i:nth-child(6){animation-duration:14s;animation-delay:3s}
  .bubbles i:nth-child(7){animation-duration:9.5s;animation-delay:7s}
  .caustics{animation:drift 26s ease-in-out infinite alternate}
}
@keyframes rise{0%{transform:translate(0,0);opacity:0}10%{opacity:.9}50%{transform:translate(8px,-160px)}90%{opacity:.7}100%{transform:translate(-4px,-320px);opacity:0}}
@keyframes drift{from{transform:translate(0,0) rotate(0)}to{transform:translate(60px,30px) rotate(4deg)}}

/* ---------- page ---------- */
.wrap{max-width:1320px;margin:0 auto;padding-block:8px 56px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  display:grid;gap:16px}
h2{font-family:var(--display);font-size:1.1rem;margin:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);box-shadow:0 1px 2px rgba(0,40,60,.06),0 8px 24px -12px rgba(0,40,60,.18)}
button{cursor:pointer;border:1px solid var(--line);background:transparent;border-radius:8px;padding:6px 12px}
button:hover{border-color:var(--accent)}
button.primary,.days button[aria-pressed="true"],#pPick[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.lbl,.field label{font:600 .72rem var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}

/* places + map */
.split{display:grid;grid-template-columns:minmax(0,370px) minmax(0,1fr);gap:16px}
@media (max-width:820px){.split{grid-template-columns:minmax(0,1fr)}}
.places{padding:18px;display:grid;gap:12px;align-content:start}
.placelist{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.placelist li{border:1px solid var(--line);border-radius:10px;padding:9px 11px;display:grid;gap:3px;background:var(--surface-solid)}
.placelist li.active{border-color:var(--accent);background:var(--accent-soft)}
.placelist .pick{all:unset;cursor:pointer;font-weight:600;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.placelist .pick:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.placelist .dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--accent);flex:none}
.placelist li.active .dot{background:var(--accent)}
.placelist .sub{font:.76rem var(--mono);color:var(--muted)}
.placelist .acts{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.placelist .acts button{font-size:.78rem;padding:2px 9px}
.placelist .temp{font:600 .66rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--warn)}
.placelist .live{font:600 .66rem var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--best)}
.geo{display:flex;align-items:center;justify-content:center;gap:8px;padding:11px 12px;font-weight:600;border:1.5px dashed var(--accent);color:var(--accent);background:var(--surface-solid)}
.geo[aria-busy="true"]{opacity:.6;cursor:progress}
.geo-ic{width:14px;height:14px;border-radius:50%;border:2px solid currentColor;position:relative;flex:none}
.geo-ic::after{content:"";position:absolute;inset:3px;border-radius:50%;background:currentColor}
.addform{display:grid;gap:9px;border-top:1px solid var(--line);padding-top:12px}
.field{display:grid;gap:3px}
input{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface-solid)}
.row{display:flex;gap:8px;flex-wrap:wrap}
.msg{margin:0;font-size:.85rem;color:var(--muted);min-height:1.2em}
.msg.err{color:var(--closed)}
.results{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.results button{width:100%;text-align:left;font-size:.85rem;background:var(--surface-solid)}
.fine{margin:0;font-size:.78rem;color:var(--muted)}

.mapwrap{overflow:hidden;min-height:440px;display:flex}
#map{flex:1;min-height:440px;background:var(--sea-2)}
#map.picking{cursor:crosshair}
@media (prefers-color-scheme: dark){ #map .leaflet-tile-pane{filter:invert(1) hue-rotate(185deg) brightness(.82) contrast(.92) saturate(.9)} }
.leaflet-container{font-family:var(--body)}
.leaflet-popup-content{font-size:.85rem;margin:10px 12px}
/* shop pins: bubbles */
.pin{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font:600 11px var(--mono);
  color:var(--fg);background:radial-gradient(circle at 32% 30%,#fff 0,var(--surface-solid) 45%,var(--accent-soft) 100%);
  border:2px solid var(--accent);box-shadow:0 2px 6px rgba(0,30,45,.35)}
.pin.best{border-color:var(--best);background:var(--best);color:#fff}
.pin.closed{border-color:var(--closed);opacity:.55}
.pin.hl{transform:scale(1.35)}
.pin.off{width:12px;height:12px;border-width:1.5px;opacity:.4;box-shadow:none;margin:7px;font-size:0}
/* the active place: house emoji with its name */
.home{position:absolute;left:0;top:0;transform:translate(-15px,-50%);display:flex;align-items:center;gap:4px;white-space:nowrap;pointer-events:auto}
.home-ic{font-size:26px;line-height:1;filter:drop-shadow(0 2px 3px rgba(0,0,0,.45))}
.home-n{background:var(--surface-solid);color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;
  font:600 12px var(--body);box-shadow:0 1px 4px rgba(0,0,0,.25)}

/* planning cards */
.plan{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px}
@media (max-width:820px){.plan{grid-template-columns:minmax(0,1fr)}}
.ctl{padding:14px 18px;display:grid;gap:10px;align-content:start}
.ctl-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.gauge{font:600 1.05rem var(--mono);color:var(--accent);font-variant-numeric:tabular-nums}
.days{display:flex;gap:6px;flex-wrap:wrap}
.days button{font:500 .92rem var(--mono);min-width:42px;padding:7px 9px;background:var(--surface-solid)}
.tanks{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.tankbtn{display:grid;justify-items:center;gap:4px;padding:6px 8px 4px;border-color:transparent;background:transparent}
.tankbtn:hover{border-color:var(--line)}
.cyl{position:relative;display:block;width:18px;height:40px;border-radius:9px 9px 5px 5px;border:2px solid var(--muted);margin-top:8px;background:var(--surface-solid)}
.cyl .valve{position:absolute;left:50%;top:-8px;width:8px;height:7px;transform:translateX(-50%);border-radius:2px 2px 0 0;background:var(--muted)}
.tankbtn.full .cyl{border-color:var(--tank-dark);background:linear-gradient(90deg,var(--tank-dark),var(--tank) 40%,#fff3c4 55%,var(--tank) 70%,var(--tank-dark))}
.tankbtn.full .valve{background:var(--fg)}
.tankbtn .tn{font:600 .8rem var(--mono);color:var(--muted)}
.tankbtn[aria-pressed="true"] .tn{color:var(--accent)}
@media (prefers-reduced-motion:no-preference){.cyl{transition:background .15s,border-color .15s}}

/* filters */
.filters{padding:14px 18px;display:grid;gap:10px}
.fcount{font:500 .8rem var(--mono);color:var(--muted)}
.fhead-r{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.units{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface-solid)}
.units button{border:0;border-radius:0;padding:3px 10px;font:600 .78rem var(--mono)}
.units button+button{border-left:1px solid var(--line)}
.units button[aria-pressed="true"]{background:var(--accent);color:var(--accent-fg)}
.frow{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:flex-end}
.fsel{display:grid;gap:3px}
.fsel select,.money-in{height:36px;border:1px solid var(--line);border-radius:8px;background:var(--surface-solid)}
.fsel select{padding:0 8px;min-width:96px;cursor:pointer}
.money-in{display:flex;align-items:center;gap:2px;padding-left:9px;width:110px;color:var(--muted)}
.money-in input{border:0;background:transparent;padding:0 8px 0 0;height:100%;color:var(--fg);min-width:0}
.money-in input:focus-visible{outline:none}
.money-in:focus-within{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:560px){
  .frow{gap:10px}
  .fsel{flex:1 1 0;min-width:0}
  .fsel select{min-width:0;width:100%;padding:0 4px}
  .money-in{width:auto}
  .fchips{flex-basis:100%}
}
.fchips{display:flex;flex-wrap:wrap;gap:6px}
.fchips button{height:36px;padding:0 12px;border-radius:18px;background:var(--surface-solid);font-size:.88rem}
.fchips button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.fchips button[aria-pressed="true"]::before{content:"✓ "}
.freset{height:36px;border-color:transparent;color:var(--accent);text-decoration:underline;padding:0 6px}
td.empty{text-align:center;padding:28px 12px;color:var(--muted)}
td.empty button{margin-left:8px}

/* table: dive log */
.tablebox{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:1100px;font-size:.84rem}
/* hover / tap tooltip for short cell notes (15 L tank column) */
.tip{position:relative;cursor:help;border-bottom:1px dotted currentColor}
.tip sup{font-size:.7em;margin-left:1px;color:var(--accent)}
.tip::after{content:attr(data-tip);position:absolute;left:50%;top:calc(100% + 6px);transform:translateX(-50%);
  width:max-content;max-width:24ch;white-space:pre-line;padding:6px 9px;border-radius:7px;
  background:var(--fg);color:var(--surface-solid);font:400 .76rem/1.35 var(--body);text-align:left;
  box-shadow:0 3px 10px rgba(0,20,30,.3);opacity:0;visibility:hidden;transition:opacity .12s;z-index:5;pointer-events:none}
.tip:hover::after,.tip:focus::after{opacity:1;visibility:visible}
/* contact cell: number, then round call / WhatsApp buttons (32px tap targets) */
td.contact{white-space:nowrap}
.contact .ph{display:block;font:500 .82rem var(--mono);font-variant-numeric:tabular-nums;margin-bottom:6px}
.cbtns{display:flex;gap:6px}
.ic{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;flex:none;
  border:1px solid var(--line);background:var(--surface-solid);color:var(--accent);text-decoration:none}
.ic svg{width:17px;height:17px;display:block}
.ic.wa{color:var(--wa)}
.ic:hover{border-color:currentColor}
.contact .how{margin-top:5px}
.leaflet-popup-content .pc{display:inline-flex;align-items:center;gap:4px;margin-right:10px}
.leaflet-popup-content .pc svg{width:14px;height:14px}
.leaflet-popup-content .pc.wa{color:var(--wa)}
th,td{padding:11px 9px;text-align:left;vertical-align:top;border-bottom:1px dashed var(--line)}
tbody tr:last-child td{border-bottom:0}
thead th{background:var(--accent-soft);border-bottom:1px solid var(--line)}
thead th:first-child{border-top-left-radius:13px}
thead th:last-child{border-top-right-radius:13px}
th button,th.plain{all:unset;cursor:pointer;font:600 .7rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);
  display:inline-flex;gap:4px;align-items:flex-start;white-space:nowrap;line-height:1.25}
th button .tl{white-space:pre}
th.plain{cursor:default;display:table-cell;padding:11px 9px}
th button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
th button .arr{opacity:.35}
th[aria-sort] button{color:var(--fg)}
th[aria-sort] button .arr{opacity:1;color:var(--accent)}
td.num{font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
tbody tr.hl td{background:var(--accent-soft)}
tbody tr.closed td{opacity:.5}
.drive a{color:var(--fg);text-decoration:none;display:grid;gap:1px}
.drive a:hover .dk{color:var(--accent)}
.dk{font-weight:600}
.dm{font-size:.78rem;color:var(--muted)}
.dn{font-size:.7rem;color:var(--muted);white-space:nowrap}
.num-badge{display:inline-grid;place-items:center;width:21px;height:21px;border-radius:50%;border:1.5px solid var(--accent);
  font:600 11px var(--mono);margin-right:7px;vertical-align:1px}
tr.top .num-badge{background:var(--best);border-color:var(--best);color:#fff}
.shop a{color:var(--fg);font-weight:600;text-decoration:none;border-bottom:1px solid var(--line)}
.shop a:hover{border-color:var(--accent)}
.area{display:block;color:var(--muted);font-size:.8rem;margin-left:28px}
.total{font-weight:600;font-size:1rem}
.how{display:block;font-family:var(--body);font-size:.76rem;color:var(--muted);white-space:normal;max-width:26ch}
tr.top td.totalcell{background:var(--best-soft)}
.chip{display:inline-block;font:600 .64rem var(--mono);text-transform:uppercase;letter-spacing:.06em;padding:2px 6px;border-radius:4px;margin-left:6px;vertical-align:1px}
.chip.best{background:var(--best);color:#fff}
.chip.est{border:1px solid var(--warn);color:var(--warn)}
td.num .chip{display:table;margin:3px 0 0}
.chip.closed{border:1px solid var(--closed);color:var(--closed)}
.na{color:var(--muted)}
.hours{min-width:15ch;font-size:.84rem}
.notes{font-size:.8rem;color:var(--muted);max-width:32ch}

footer{font-size:.82rem;color:var(--muted);display:grid;gap:7px;max-width:92ch;padding-top:6px}
footer p{margin:0}
footer b{color:var(--fg)}
@media (prefers-reduced-motion:no-preference){.pin{transition:transform .15s}button{transition:background .15s,border-color .15s}}