@font-face{font-family:"DM Serif Display";src:url("assets/dm-serif.ttf") format("truetype");font-display:swap}
@font-face{font-family:"DM Sans";src:url("assets/dm-sans.ttf") format("truetype");font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("assets/space-grotesk.ttf") format("truetype");font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("assets/ibm-plex-mono.ttf") format("truetype");font-display:swap}

:root{
  --abyss:#06222f; --deep:#0a3448; --teal:#0e7c9e; --foam:#bfe9ef;
  --sand:#f6f1e3; --sand2:#efe4cb; --ink:#12303c;
  --sun:#ffc53d; --coral:#ff6b5e; --kelp:#1f7a4d; --kelpbg:#dff0df;
  --drift:#0e7c9e; --driftbg:#d8eef5; --pearl:#6a4fd0; --pearlbg:#e7e1ff;
  --shallowsbg:#fff3d1;
  --radius:18px;
}
*{box-sizing:border-box}
button{touch-action:manipulation;-webkit-tap-highlight-color:rgba(14,124,158,.3)}
h1,h2,h3{text-wrap:balance}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);
  font-family:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:linear-gradient(180deg,#082b3c 0,#0b415c 340px,var(--sand) 340px);
  min-height:100vh;
}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:.6rem 1rem;z-index:99;border-radius:0 0 12px 0}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:6px}

/* ambient bubbles */
.bubbles{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.bubbles i{position:absolute;bottom:-30px;border-radius:50%;border:2px solid rgba(191,233,239,.55);background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.7),transparent 60%);animation:rise linear infinite}
@keyframes rise{to{transform:translateY(-110vh)}}

/* masthead */
.masthead{background:linear-gradient(160deg,#06222f,#0a3a52 60%,#0e6d8c);color:#f2f7f3;position:relative;z-index:1}
.masthead-inner{max-width:1120px;margin:0 auto;padding:2.2rem 1.25rem .5rem;display:flex;gap:2rem;flex-wrap:wrap;align-items:flex-start;justify-content:space-between}
.brand{display:flex;gap:1rem;align-items:flex-start;max-width:640px}
.brand-mark{flex:none;background:var(--sun);border:3px solid #06222f;border-radius:16px;padding:.25rem;transform:rotate(-6deg);box-shadow:4px 4px 0 #06222f}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--foam);margin:.2rem 0}
h1{font-family:"DM Serif Display",Georgia,serif;font-size:clamp(2rem,4.5vw,3.2rem);line-height:1;margin:.1rem 0 .4rem;color:#fff}
.h1-light{color:var(--sun);font-style:italic}
.tagline{margin:0;max-width:46ch;color:#dcefe9;font-size:1rem}
.tide-gauge{display:grid;grid-template-columns:repeat(4,minmax(72px,1fr));gap:.5rem;background:rgba(246,241,227,.1);border:2px dashed rgba(246,241,227,.5);border-radius:var(--radius);padding:.7rem .9rem;margin:0}
.tide-gauge div{text-align:center}
.tide-gauge dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--foam)}
.tide-gauge dt span{display:block;font-size:.68rem;color:#fff;opacity:.85}
.tide-gauge dd{font-family:"Space Grotesk",sans-serif;font-size:1.8rem;margin:.1rem 0 0;color:var(--sun);font-variant-numeric:tabular-nums}
.waves{display:block;width:100%;height:46px;margin-top:1rem}

main{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:0 1.25rem 3rem}
.controls-card{background:#fffdf4;border:3px solid var(--abyss);border-radius:22px;box-shadow:7px 7px 0 var(--abyss);padding:1.1rem;display:grid;grid-template-columns:1.3fr 1fr auto;gap:1rem;align-items:end;margin-top:-8px}
.field label{font-family:"Space Grotesk",sans-serif;font-weight:700;display:block;margin-bottom:.4rem}
.input-wrap{position:relative}
.input-wrap input{width:100%;font-size:1rem;padding:.7rem .8rem .7rem 2.4rem;border:2.5px solid var(--abyss);border-radius:14px;background:#fff}
.sonar-ring{position:absolute;left:.7rem;top:50%;width:1rem;height:1rem;border:3px solid var(--teal);border-radius:50%;transform:translateY(-50%)}
.sonar-ring::after{content:"";position:absolute;right:-7px;bottom:-5px;width:8px;height:3px;background:var(--teal);transform:rotate(45deg);border-radius:2px}
select{font-size:1rem;padding:.7rem .8rem;border:2.5px solid var(--abyss);border-radius:14px;background-color:#fff;color:var(--ink);max-width:100%}
.hint{font-size:.82rem;color:#43606c;margin:.35rem 0 0}
.btn{font-family:"Space Grotesk",sans-serif;font-weight:700;background:var(--sun);border:2.5px solid var(--abyss);border-radius:999px;padding:.7rem 1.1rem;cursor:pointer;box-shadow:3px 3px 0 var(--abyss);transition:transform .15s}
.btn:hover{transform:translate(-1px,-1px) rotate(-1deg)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--abyss)}
.drift-btn{background:var(--teal);color:#fff}

/* zone nav */
.zones{display:grid;grid-template-columns:repeat(4,1fr);gap:.7rem;margin:1rem 0}
.zones button{display:flex;flex-direction:column;align-items:flex-start;gap:.1rem;background:var(--sand);border:2.5px solid var(--abyss);border-radius:16px;padding:.7rem .8rem;cursor:pointer;box-shadow:4px 4px 0 var(--abyss);text-align:left;color:var(--ink)}
.zones button small{color:#43606c}
.zones button strong{font-family:"Space Grotesk",sans-serif}
.zones button[aria-pressed="true"]{background:var(--abyss);color:#fff;transform:rotate(-1deg)}
.zones button[aria-pressed="true"] small{color:var(--foam)}
.zone-emoji{font-size:1.4rem}

/* lagoon */
.lagoon{background:linear-gradient(180deg,var(--sand),var(--sand2));border:3px solid var(--abyss);border-radius:26px;padding:1.4rem;box-shadow:8px 8px 0 var(--abyss)}
.lagoon-head h2{font-family:"DM Serif Display",serif;font-size:1.7rem;margin:0}
.lagoon-head p{margin:.3rem 0 1rem;color:#3d5a66}
.bottle-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:1rem}

/* bottle cards */
.bottle{position:relative;background:#fffdf4;border:2.5px solid var(--abyss);border-radius:20px;padding:.9rem;box-shadow:5px 5px 0 var(--abyss);display:flex;flex-direction:column;gap:.55rem;transition:transform .18s}
.bottle:nth-child(odd){transform:rotate(-.7deg)}
.bottle:nth-child(even){transform:rotate(.7deg)}
.bottle:hover{transform:rotate(0) translateY(-3px)}
.bottle-top{display:flex;gap:.7rem;align-items:center}
.flask{flex:none;width:58px;height:72px;border:2.5px solid var(--abyss);border-radius:12px 12px 16px 16px;display:grid;place-items:center;font-size:1.7rem;position:relative;overflow:hidden}
.flask::after{content:"";position:absolute;left:0;right:0;bottom:0;height:38%;opacity:.45}
.bottle[data-status="todo"] .flask{background:var(--shallowsbg)} .bottle[data-status="todo"] .flask::after{background:var(--sun)}
.bottle[data-status="in-progress"] .flask{background:var(--driftbg)} .bottle[data-status="in-progress"] .flask::after{background:var(--drift)}
.bottle[data-status="blocked"] .flask{background:#ffe3de} .bottle[data-status="blocked"] .flask::after{background:var(--coral)}
.bottle[data-status="done"] .flask{background:var(--pearlbg)} .bottle[data-status="done"] .flask::after{background:var(--pearl)}
.flask span{position:relative;z-index:1}
.pill{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;border:2px solid var(--abyss);border-radius:999px;padding:.15rem .55rem;background:#fff}
.pill.todo{background:var(--sun)} .pill.in-progress{background:#7fd0e6} .pill.blocked{background:var(--coral);color:#fff} .pill.done{background:var(--pearl);color:#fff}
.bottle h3{font-family:"Space Grotesk",sans-serif;font-size:1.02rem;line-height:1.25;margin:0}
.meta{font-size:.85rem;color:#3d5a66;margin:0}
.meta b{color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:.3rem;margin:0;padding:0;list-style:none}
.tags li{font-size:.72rem;background:#eef4f1;border:1.5px solid #12303c;border-radius:999px;padding:.1rem .5rem}
.bottle-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.due{font-size:.78rem;font-family:"IBM Plex Mono",monospace}
.open-btn{font-weight:700;background:#fff;border:2.5px solid var(--abyss);border-radius:12px;padding:.5rem .8rem;cursor:pointer;box-shadow:2px 2px 0 var(--abyss)}
.open-btn:hover{background:var(--sun)}

/* empty */
.empty{text-align:center;background:#fff;border:3px dashed var(--abyss);border-radius:20px;padding:2.2rem 1.5rem;margin-top:1rem}
.empty-kraken{font-size:3rem;margin:0}
.empty h3{font-family:"DM Serif Display",serif;font-size:1.5rem;margin:.3rem 0}

/* dialog / detail */
dialog{overscroll-behavior:contain;border:3px solid var(--abyss);border-radius:24px;padding:0;max-width:min(640px,94vw);width:640px;box-shadow:10px 10px 0 rgba(6,34,47,.85);background:#fffdf4}
dialog::backdrop{background:rgba(6,34,47,.6);backdrop-filter:blur(2px)}
.detail-head{padding:1.1rem 1.3rem;border-bottom:3px solid var(--abyss);display:flex;gap:.8rem;align-items:flex-start;justify-content:space-between}
.detail-head.todo{background:var(--shallowsbg)} .detail-head.in-progress{background:var(--driftbg)} .detail-head.blocked{background:#ffe3de} .detail-head.done{background:var(--pearlbg)}
.detail-head h3{font-family:"DM Serif Display",serif;font-size:1.5rem;margin:.3rem 0;line-height:1.15}
.detail-body{padding:1.1rem 1.3rem}
.detail-body p{line-height:1.6}
.fact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.6rem;margin:1rem 0}
.fact-grid div{background:#fff;border:2px solid var(--abyss);border-radius:12px;padding:.5rem .6rem;font-size:.85rem}
.fact-grid dt{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:#43606c}
.fact-grid dd{margin:.1rem 0 0;font-weight:700}
.status-row{background:var(--abyss);color:#fff;border-radius:16px;padding:.9rem;margin-top:1rem}
.status-row label{font-family:"Space Grotesk",sans-serif;font-weight:700;display:block;margin-bottom:.45rem}
.status-row select{width:100%;border-color:#fff}
.status-note{margin:.5rem 0 0;font-size:.88rem;color:var(--foam);min-height:1.3em}
.detail-actions{display:flex;gap:.6rem;padding:0 1.3rem 1.3rem;flex-wrap:wrap}
.close-btn{background:#fff;border:2.5px solid var(--abyss);border-radius:999px;padding:.6rem 1rem;font-weight:700;cursor:pointer;box-shadow:2px 2px 0 var(--abyss)}
.scroll-art{font-size:.8rem;color:#43606c;font-style:italic}

.toast{position:fixed;left:50%;bottom:1.2rem;transform:translateX(-50%) translateY(150%);background:var(--abyss);color:#fff;border:2px solid var(--sun);border-radius:999px;padding:.7rem 1.2rem;z-index:60;transition:transform .25s;max-width:92vw;text-align:center;font-weight:600}
.toast.show{transform:translateX(-50%) translateY(0)}
footer{max-width:1120px;margin:0 auto;padding:0 1.25rem 2.5rem;color:#dcefe9;font-size:.85rem;position:relative;z-index:1}
kbd{background:#fff;color:#000;border-radius:6px;padding:.05rem .4rem;border:1px solid #999;font-family:monospace}

@media (max-width:820px){
  .controls-card{grid-template-columns:1fr}
  .zones{grid-template-columns:repeat(2,1fr)}
  .tide-gauge{grid-template-columns:repeat(4,1fr);width:100%}
  .masthead-inner{padding-top:1.4rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .bottle:nth-child(odd),.bottle:nth-child(even){transform:none}
}