/* Love Ocean v3: laut senja dengan botol pesan.
   Warna diambil dari ikon: langit ungu ke merah muda, matahari krem, laut biru, hati merah muda. */
:root{
  --night:#151142; --dusk:#2a1c5b; --plum:#5a2a73; --rose-sky:#a8446f; --glow:#e8707f; --peach:#ffc9a8;
  --sun:#fdf0d6; --sea-1:#e08392; --sea-2:#23618f; --sea-3:#174a77; --sea-4:#0f3358;
  --heart:#ff5f84; --heart-d:#e5557c; --foam:#eef0ff; --paper:#fff4e0; --ink:#3b2a35; --ink-soft:#8a4a62;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{background:var(--night);color:var(--foam);font-family:var(--sans);overscroll-behavior:none;touch-action:manipulation}
button{font:inherit;color:inherit;cursor:pointer}
[hidden]{display:none!important}
.defs{position:absolute;width:0;height:0;overflow:hidden}
.ic{width:24px;height:24px;display:block;flex:none}
.lnk{color:var(--peach)}

.app{position:fixed;inset:0;display:flex;flex-direction:column;overflow:hidden;padding-top:env(safe-area-inset-top,0px)}

/* ---------- adegan ---------- */
.scene{position:absolute;inset:0;z-index:0}
.sky{position:absolute;inset:0;overflow:hidden;
  background:linear-gradient(180deg,#141041 0%,#271a58 22%,#4b2670 38%,#8e3a74 50%,#e0707f 58%,#f6a47d 63%)}
.stars{position:absolute;left:0;right:0;top:0;height:46%}
.stars.s1{opacity:.9;animation:twinkle 5s ease-in-out infinite alternate;
  background-image:
   radial-gradient(1.6px 1.6px at 12% 14%,#fff,transparent),radial-gradient(1px 1px at 28% 30%,#fff,transparent),
   radial-gradient(1.6px 1.6px at 47% 9%,#fff,transparent),radial-gradient(1px 1px at 63% 26%,#fff,transparent),
   radial-gradient(1.6px 1.6px at 82% 12%,#fff,transparent),radial-gradient(1px 1px at 91% 34%,#fff,transparent),
   radial-gradient(1px 1px at 20% 42%,#fff,transparent),radial-gradient(1px 1px at 74% 40%,#fff,transparent)}
.stars.s2{opacity:.6;animation:twinkle 7s 1.5s ease-in-out infinite alternate;
  background-image:
   radial-gradient(1px 1px at 5% 24%,#fff,transparent),radial-gradient(1.4px 1.4px at 36% 18%,#fff,transparent),
   radial-gradient(1px 1px at 55% 36%,#fff,transparent),radial-gradient(1.4px 1.4px at 70% 7%,#fff,transparent),
   radial-gradient(1px 1px at 96% 20%,#fff,transparent),radial-gradient(1px 1px at 41% 44%,#fff,transparent)}
.shooting{position:absolute;top:10%;left:70%;width:110px;height:2px;border-radius:2px;opacity:0;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff);transform:rotate(-28deg);animation:shoot 19s 6s linear infinite}
.cloud{position:absolute;height:34px;border-radius:50%;filter:blur(14px);opacity:.35;background:#ffb8b0}
.cloud.c1{top:44%;left:-30%;width:70%;animation:cloud 90s linear infinite}
.cloud.c2{top:50%;left:-60%;width:90%;opacity:.25;background:#d58bb4;animation:cloud 130s -50s linear infinite}
.halo{position:absolute;left:50%;top:calc(58% - 300px);width:560px;height:560px;margin-left:-280px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,214,170,.5),rgba(255,160,150,.22) 55%,transparent)}
.sun{position:absolute;left:50%;top:calc(58% - 86px);width:128px;height:128px;margin-left:-64px;border-radius:50%;
  background:radial-gradient(circle at 40% 36%,#fffaf0,var(--sun) 62%,#ffd9b0);
  box-shadow:0 0 60px 16px rgba(255,214,170,.5)}
.boat{position:absolute;top:calc(58% - 22px);left:-12%;width:30px;height:22px;opacity:.85;animation:sail 150s linear infinite}

.sea{position:absolute;left:0;right:0;top:58%;bottom:0;
  background:linear-gradient(180deg,var(--sea-1) 0%,#6a7ca6 5%,var(--sea-2) 20%,var(--sea-3) 48%,var(--sea-4) 100%)}
.shimmer{position:absolute;left:50%;top:0;width:200px;margin-left:-100px;height:52%;overflow:hidden;pointer-events:none}
.shimmer i{position:absolute;left:50%;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,rgba(255,232,200,.85) 30%,rgba(255,232,200,.85) 70%,transparent);transform:translateX(-50%);animation:glint 3.2s ease-in-out infinite alternate}
.shimmer i:nth-child(1){top:4%;width:120px}.shimmer i:nth-child(2){top:12%;width:96px;animation-delay:-.6s}
.shimmer i:nth-child(3){top:21%;width:110px;animation-delay:-1.2s}.shimmer i:nth-child(4){top:31%;width:72px;animation-delay:-1.8s}
.shimmer i:nth-child(5){top:42%;width:88px;animation-delay:-2.4s}.shimmer i:nth-child(6){top:54%;width:54px;animation-delay:-.9s}
.shimmer i:nth-child(7){top:68%;width:64px;animation-delay:-1.5s}.shimmer i:nth-child(8){top:84%;width:36px;animation-delay:-2.1s}

.waves{position:absolute;left:0;right:0;height:48px;overflow:hidden;pointer-events:none}
.waves.back{top:-20px}
.waves.front{top:44%}
.wave{position:absolute;left:0;width:200%;height:46px;display:block;animation:slide linear infinite}
.wave path{fill:currentColor}
.wave.w1{color:#f08a86;opacity:.55;top:4px;animation-duration:26s}
.wave.w2{color:#6c7fa8;opacity:.8;top:14px;animation-duration:18s}
.wave.w3{color:#1f5f8f;opacity:.85;top:0;animation-duration:20s}
.wave.w4{color:#174a77;top:14px;animation-duration:13s}

.bottles{position:absolute;inset:0}
.bottle{position:absolute;display:block;width:calc(44px*var(--s,1));height:calc(74px*var(--s,1));padding:0;border:0;background:none;color:var(--mood,#ff5f84);
  clip-path:inset(-30px -30px 12% -30px);animation:drift var(--dur,9s) ease-in-out var(--delay,0s) infinite alternate}
.bottle::before{content:"";position:absolute;inset:-16px -14px}
.bottle::after{content:"";position:absolute;left:-34%;right:-34%;bottom:9%;height:7px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,255,255,.4),transparent)}
.bottle .sway{display:block;width:100%;height:100%;transform-origin:50% 88%;animation:bob 5s ease-in-out infinite;
  filter:drop-shadow(0 0 7px var(--mood,#ff5f84)) drop-shadow(0 5px 5px rgba(0,0,0,.35))}
.bottle .sway svg{width:100%;height:100%;display:block;pointer-events:none}
.bottle:hover .sway,.bottle:focus-visible .sway{filter:drop-shadow(0 0 12px var(--mood,#ff5f84)) drop-shadow(0 5px 5px rgba(0,0,0,.35))}
.bottle.catching{animation:catching .5s ease-in forwards}
.thrown{position:absolute;z-index:3;left:50%;bottom:150px;width:46px;height:78px;margin-left:-23px;pointer-events:none;color:var(--mood,#ff5f84);
  opacity:0;animation:fly 2.8s var(--ease) forwards}
.thrown svg{width:100%;height:100%;filter:drop-shadow(0 0 9px var(--mood,#ff5f84))}
.ring{position:absolute;z-index:2;bottom:calc(150px + 9vh);width:26px;height:9px;margin-left:-13px;border:2px solid rgba(255,255,255,.75);border-radius:50%;opacity:0;animation:ring 1.6s 2.2s ease-out forwards}

/* ---------- atas ---------- */
.top{position:relative;z-index:5;display:flex;justify-content:space-between;align-items:flex-start;padding:14px 18px 0}
h1{margin:0;white-space:nowrap;font-family:var(--serif);font-style:italic;font-weight:600;font-size:33px;line-height:1.1;letter-spacing:.01em;color:#fff6e4;
  text-shadow:0 2px 16px rgba(255,95,132,.5)}
.tagline{margin:3px 0 0;font-size:14px;color:var(--peach)}
.top-btns{display:flex;gap:8px;align-items:center}
.round,.install{min-width:44px;min-height:44px;border-radius:22px;border:1.5px solid rgba(255,201,168,.8);background:rgba(21,17,66,.5);
  backdrop-filter:blur(6px);color:#fff1d6;display:inline-flex;align-items:center;justify-content:center}
.install{padding:0 18px;font-weight:600}
.round .ital{font-family:var(--serif);font-style:italic;font-size:21px;font-weight:700}
.pill{position:relative;z-index:5;align-self:flex-start;margin:12px 18px 0;padding:7px 14px 7px 12px;border-radius:999px;font-size:13px;line-height:1.35;
  background:rgba(21,17,66,.55);border:1px solid rgba(255,201,168,.3);backdrop-filter:blur(6px);color:#fff1d6;display:flex;gap:8px;align-items:center;max-width:calc(100% - 36px)}
.pill .dot{width:8px;height:8px;border-radius:50%;background:#5be2a8;flex:none;box-shadow:0 0 8px #5be2a8}
.pill.off .dot{background:#ffb347;box-shadow:0 0 8px #ffb347}

/* ---------- dock ---------- */
.dock{position:absolute;left:0;right:0;bottom:0;z-index:6;display:flex;align-items:flex-end;justify-content:center;gap:10px;
  padding:14px 14px calc(14px + env(safe-area-inset-bottom,0px));background:linear-gradient(180deg,transparent,rgba(8,12,38,.88) 58%)}
.dock-btn{flex:1;max-width:128px;min-height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  border-radius:22px;border:1px solid rgba(238,240,255,.25);background:rgba(23,45,92,.72);backdrop-filter:blur(8px);font-size:13px;font-weight:600;
  transition:transform .15s var(--ease)}
.dock-btn.main{flex:1.5;max-width:188px;min-height:74px;border:0;font-size:15px;color:#3a0f22;
  background:linear-gradient(135deg,#ffc9a8,var(--heart));box-shadow:0 8px 26px rgba(255,95,132,.5)}
.dock-btn:active{transform:scale(.96)}
.dock-btn:disabled,.btn:disabled{opacity:.5;cursor:default}
.ico-wrap{position:relative;display:block}
.badge{position:absolute;top:-8px;right:-14px;min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:var(--heart);color:#3a0f22;
  font-size:12px;line-height:20px;font-weight:700;text-align:center}
.badge[hidden]{display:none}
.bottle:focus-visible,.dock-btn:focus-visible,.btn:focus-visible,.round:focus-visible,.install:focus-visible,.item:focus-visible{outline:3px solid var(--sun);outline-offset:3px}

/* ---------- lembar ---------- */
dialog{width:100%;max-width:520px;margin:auto auto 0;padding:10px 20px calc(20px + env(safe-area-inset-bottom,0px));border:0;border-radius:28px 28px 0 0;
  max-height:90dvh;overflow:auto;background:linear-gradient(180deg,#26225f,#121a46);color:var(--foam)}
dialog[open]{animation:rise .3s var(--ease)}
dialog::backdrop{background:rgba(6,8,30,.7);backdrop-filter:blur(3px)}
.grab{width:44px;height:5px;border-radius:3px;background:rgba(238,240,255,.3);margin:0 auto 12px}
h2{margin:0 0 12px;font-family:var(--serif);font-size:25px;font-weight:600;line-height:1.2;color:#fff1d6}
label,legend{display:block;margin:14px 0 6px;font-size:14px;color:var(--peach);padding:0}
input[type=text],textarea{width:100%;padding:12px 14px;border-radius:14px;border:1.5px solid rgba(238,240,255,.25);background:rgba(8,12,38,.5);color:var(--foam);font:inherit;font-size:16px}
textarea{resize:none;line-height:1.5}
input:focus,textarea:focus{outline:none;border-color:var(--heart)}
.count{margin-top:4px;text-align:right;font-size:13px;color:rgba(238,240,255,.7)}
.count.warn{color:var(--peach)}
.hint{margin:10px 0 0;font-size:13.5px;line-height:1.55;color:rgba(238,240,255,.78)}
.hint.first{margin-top:0}
.row{display:flex;gap:10px;margin-top:18px}
.row.wrap{flex-wrap:wrap}.row.wrap .btn{flex:1 1 40%}
.row.col{flex-direction:column}
.btn{flex:1;min-height:52px;border-radius:16px;border:0;font-weight:700;font-size:16px}
.btn.primary{background:linear-gradient(135deg,#ffc9a8,var(--heart));color:#3a0f22}
.btn.ghost{background:rgba(238,240,255,.1);border:1px solid rgba(238,240,255,.25)}
.btn.danger{background:#7a2340;color:#fff}
.btn.full{width:100%;margin-top:10px}

.steps{margin:14px 0 0;padding:0;list-style:none;counter-reset:s;display:grid;gap:12px}
.steps li{counter-increment:s;position:relative;padding-left:44px;min-height:32px;line-height:1.5;font-size:15.5px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,201,168,.18);border:1.5px solid var(--peach);color:#fff1d6;font-family:var(--serif);font-weight:700}

/* pilihan suasana */
.moods{border:0;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.moods legend{width:100%;margin:6px 0 8px}
.chip{position:relative;margin:0;display:block}
.chip input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.chipface{display:flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border-radius:22px;border:1.5px solid rgba(238,240,255,.25);font-size:14.5px;font-weight:600;color:var(--foam)}
.chipface::before{content:"";width:12px;height:12px;border-radius:50%;background:var(--mood);box-shadow:0 0 8px var(--mood)}
.chip input:checked + .chipface{border-color:var(--mood);background:rgba(255,255,255,.12)}
.chip input:focus-visible + .chipface{outline:3px solid var(--sun);outline-offset:2px}

/* surat */
.note{position:relative;margin:10px 0 0;padding:24px 18px 16px;background:var(--paper);color:var(--ink);border-radius:4px;border-left:5px solid var(--mood,#ff5f84);
  box-shadow:0 10px 24px rgba(0,0,0,.4);transform-origin:50% 0;animation:unroll .6s var(--ease);
  background-image:repeating-linear-gradient(transparent 0 28px,rgba(138,74,98,.09) 28px 29px);background-position:0 40px}
.seal{position:absolute;top:-14px;right:16px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--mood,#ff5f84);
  box-shadow:inset 0 -5px 7px rgba(0,0,0,.25),inset 0 3px 4px rgba(255,255,255,.4),0 4px 9px rgba(0,0,0,.4)}
.seal .ic{width:22px;height:22px}
.note-mood{margin:0 0 6px;font-size:13px;font-weight:700;color:var(--ink-soft);display:flex;align-items:center;gap:7px}
.mdot{width:10px;height:10px;border-radius:50%;background:var(--mood);display:inline-block;flex:none}
.note-text{margin:0;font-family:var(--serif);font-size:19px;line-height:29px;white-space:pre-wrap;overflow-wrap:anywhere}
.note-from{margin:14px 0 0;text-align:right;font-family:var(--serif);font-style:italic;font-size:15px;color:var(--ink-soft)}

.thread{display:flex;flex-direction:column;gap:10px;margin-top:14px;max-height:34dvh;overflow:auto}
.bubble{max-width:86%;padding:10px 12px;border-radius:16px;line-height:1.45}
.bubble .bt{margin:0;font-size:15.5px;white-space:pre-wrap;overflow-wrap:anywhere}
.bubble .bm{display:block;margin-top:4px;font-size:11.5px;opacity:.75}
.bubble.me{align-self:flex-end;background:linear-gradient(135deg,#ffc9a8,var(--heart));color:#3a0f22;border-bottom-right-radius:4px}
.bubble.them{align-self:flex-start;background:rgba(238,240,255,.12);border:1px solid rgba(238,240,255,.2);border-bottom-left-radius:4px}

.list{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.item{display:block;width:100%;min-height:64px;text-align:left;font:inherit;background:var(--paper);color:var(--ink);border:0;border-radius:6px;border-left:5px solid var(--mood,#ff5f84);padding:14px 14px 12px}
.item .tag{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:12.5px;font-weight:700;color:var(--ink-soft);margin-bottom:6px}
.item .new{padding:2px 8px;border-radius:10px;background:var(--heart);color:#3a0f22;font-size:12px}
.item .prev{margin:0;font-family:var(--serif);font-size:16.5px;line-height:1.5;overflow-wrap:anywhere}
.item .when{display:block;margin-top:8px;font-size:12.5px;color:var(--ink-soft)}
.empty{padding:24px 8px;text-align:center;color:rgba(238,240,255,.8);line-height:1.6}

.toast{position:fixed;left:16px;right:16px;bottom:calc(122px + env(safe-area-inset-bottom,0px));z-index:50;margin:0 auto;max-width:420px;padding:12px 16px;border-radius:14px;
  background:var(--paper);color:var(--ink);font-size:14px;line-height:1.45;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.4);
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .25s,transform .25s}
.toast.show{opacity:1;transform:none}

/* ---------- gerak ---------- */
@keyframes slide{to{transform:translateX(-50%)}}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-6px) rotate(6deg)}}
@keyframes drift{from{transform:translateX(-16px)}to{transform:translateX(16px)}}
@keyframes twinkle{from{opacity:.4}to{opacity:.95}}
@keyframes glint{from{opacity:.15;transform:translateX(-50%) scaleX(.6)}to{opacity:.8;transform:translateX(-50%) scaleX(1.15)}}
@keyframes cloud{to{transform:translateX(260%)}}
@keyframes sail{to{left:112%}}
@keyframes shoot{0%,96%{opacity:0;transform:translate(0,0) rotate(-28deg)}97%{opacity:1}100%{opacity:0;transform:translate(-220px,120px) rotate(-28deg)}}
@keyframes rise{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
@keyframes unroll{from{transform:scaleY(.35);opacity:0}to{transform:none;opacity:1}}
@keyframes catching{to{transform:translateY(-34px) scale(1.7);opacity:0}}
@keyframes fly{0%{opacity:0;transform:translate(0,0) scale(1.5) rotate(-24deg)}
  12%{opacity:1}
  45%{transform:translate(calc(var(--tx,0px)*.6),-30vh) scale(1.05) rotate(30deg)}
  80%{opacity:1;transform:translate(var(--tx,0px),-9vh) scale(.8) rotate(8deg)}
  100%{opacity:0;transform:translate(var(--tx,0px),-8vh) scale(.6) rotate(-4deg)}}
@keyframes ring{0%{opacity:.9;transform:scale(.4)}100%{opacity:0;transform:scale(3.4)}}

@media (min-width:700px){
  .app{max-width:520px;margin:0 auto;border-left:1px solid rgba(255,255,255,.1);border-right:1px solid rgba(255,255,255,.1)}
}
@media (max-height:600px){.pill{display:none}.sun{width:92px;height:92px;margin-left:-46px;top:calc(58% - 80px)}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;animation-delay:0s!important;transition-duration:.001s!important}
  .shooting,.cloud{display:none}
}