/* ————————————————————————————————————————————————
   Future Me — “stationery from the future”
   Editorial serif + clean grotesk, atmosphere derived
   from the admin brand palette (--primary/--accent/--bg/--text).
   ———————————————————————————————————————————————— */

*{box-sizing:border-box}

:root{
  --ink-70:color-mix(in srgb,var(--text) 70%,transparent);
  --ink-55:color-mix(in srgb,var(--text) 55%,transparent);
  --ink-12:color-mix(in srgb,var(--text) 12%,transparent);
  --ink-08:color-mix(in srgb,var(--text) 8%,transparent);
  --paper:color-mix(in srgb,#ffffff 92%,var(--bg));
  --glow:color-mix(in srgb,var(--primary) 26%,transparent);
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,"Segoe UI",sans-serif;
}

html{scroll-behavior:smooth;scrollbar-color:color-mix(in srgb,var(--text) 28%,transparent) transparent;scrollbar-width:thin}
body{
  margin:0;min-height:100svh;
  background:var(--bg);color:var(--text);
  font:16.5px/1.6 var(--sans);
  -webkit-text-size-adjust:100%;
  -webkit-font-smoothing:antialiased;
}

/* flat paper + fine grain */
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection{background:color-mix(in srgb,var(--accent) 35%,transparent)}
a{color:var(--primary);text-underline-offset:3px}

/* ————— header: floating letterhead ————— */
.top{
  position:sticky;top:12px;z-index:20;
  width:min(720px,calc(100% - 28px));margin:14px auto 2px;
  background:var(--primary);
  color:var(--on-primary);
  padding:9px 12px 9px 22px;
  display:flex;align-items:center;gap:14px;justify-content:space-between;
  border:1px solid color-mix(in srgb,var(--on-primary) 16%,transparent);border-radius:999px;
  box-shadow:0 14px 34px -18px var(--glow);
}
body:has(main.wide) .top{width:min(1040px,calc(100% - 28px))}
.top .brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:17px;min-width:0}
.top .brand::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--on-primary);flex:none}
.top .brand:has(img)::before{display:none} /* a logo brings its own mark */
.top .brand span{font-family:var(--serif);font-weight:600;font-size:21px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top img{max-height:34px;max-width:150px;object-fit:contain}
.lang{
  background:transparent;
  color:inherit;border:1px solid color-mix(in srgb,currentColor 30%,transparent);
  border-radius:999px;padding:5px 14px;font:inherit;font-size:13.5px;font-weight:600;
  cursor:pointer;transition:background .2s,border-color .2s,transform .15s;
}
.lang:hover{background:color-mix(in srgb,currentColor 14%,transparent);border-color:currentColor;transform:translateY(-1px)}

main{max-width:720px;margin:0 auto;padding:clamp(26px,5vw,44px) 18px 110px}
main.wide{max-width:1040px}

/* staggered entrance */
@media (prefers-reduced-motion:no-preference){
  main>*{animation:rise .7s cubic-bezier(.22,.9,.3,1) both}
  main>*:nth-child(2){animation-delay:.08s}
  main>*:nth-child(3){animation-delay:.16s}
  main>*:nth-child(4){animation-delay:.24s}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
}

/* ————— type ————— */
h1{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(34px,6vw,48px);line-height:1.06;letter-spacing:-.01em;
  margin:10px 0 8px;text-wrap:balance;
}
h2{
  font-family:var(--serif);font-weight:600;
  font-size:25px;line-height:1.15;letter-spacing:-.005em;margin:0 0 14px;
}
.sub{color:var(--ink-70);margin:0 0 26px;font-size:17px;max-width:56ch;text-wrap:pretty}

/* ————— surfaces ————— */
.card{
  background:var(--paper);
  border:1px solid var(--ink-12);
  border-radius:20px;padding:clamp(18px,3.4vw,28px);margin-bottom:20px;
  box-shadow:0 1px 2px #0000000a,0 14px 40px -26px color-mix(in srgb,var(--text) 35%,transparent);
}

label{
  display:block;font-weight:600;font-size:12.5px;
  text-transform:uppercase;letter-spacing:.09em;color:var(--ink-70);
  margin:20px 0 8px;
}
label small{font-weight:450;color:var(--ink-55);text-transform:none;letter-spacing:.01em;font-size:12.5px}
input,textarea,select{
  width:100%;font:inherit;color:var(--text);
  background:#fff;border:1px solid color-mix(in srgb,var(--text) 20%,transparent);
  border-radius:11px;padding:13px 16px;
  transition:border-color .2s,box-shadow .2s;
}
input:hover,textarea:hover,select:hover{border-color:color-mix(in srgb,var(--text) 40%,transparent)}
::placeholder{color:color-mix(in srgb,var(--text) 38%,transparent)}
input[type=color]{display:block;margin-top:6px;padding:3px;height:46px;width:72px;cursor:pointer}
input[type=checkbox]{width:auto;accent-color:var(--primary)}
textarea{min-height:220px;resize:vertical}
#body{ /* the letter itself is written in serif — it should feel like a letter */
  font-family:var(--serif);font-size:20px;line-height:1.6;font-weight:500;
}
input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3.5px color-mix(in srgb,var(--primary) 13%,transparent);outline:none}
button:focus-visible{outline:3px solid var(--glow);outline-offset:2px}

/* ————— buttons ————— */
.btn{
  display:inline-block;position:relative;
  background:var(--primary);
  color:var(--on-primary);border:0;border-radius:999px;
  padding:13px 26px;font:inherit;font-weight:650;letter-spacing:.01em;
  cursor:pointer;text-decoration:none;
  box-shadow:0 2px 6px -2px var(--glow),0 12px 28px -14px var(--glow);
  transition:transform .18s cubic-bezier(.34,1.56,.64,1),box-shadow .2s,background .2s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 4px 10px -2px var(--glow),0 18px 36px -14px var(--glow);background:color-mix(in srgb,var(--primary) 88%,#000)}
.btn:active{transform:translateY(0) scale(.985)}
.btn:disabled{opacity:.55;cursor:wait;transform:none}
.btn.ghost{background:transparent;color:var(--primary);border:1.5px solid color-mix(in srgb,var(--primary) 55%,transparent);box-shadow:none}
.btn.ghost:hover{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 7%,transparent)}
.btn.danger{background:#b3261e;color:#fff;box-shadow:none}
.btn.sm{padding:7px 15px;font-size:14px}
.btn.big{width:100%;font-size:18px;padding:17px;margin-top:24px}

/* ————— chips (delivery presets) ————— */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  border:1.5px solid color-mix(in srgb,var(--text) 22%,transparent);
  background:#fff;border-radius:999px;padding:9px 18px;font:inherit;font-weight:550;
  cursor:pointer;color:var(--text);
  transition:transform .18s cubic-bezier(.34,1.56,.64,1),background .2s,border-color .2s,color .2s;
}
.chip:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary)}
.chip[aria-pressed=true]{
  background:var(--primary);color:var(--on-primary);border-color:var(--primary);
  box-shadow:0 8px 20px -10px var(--glow);
}

.hint{font-size:14px;color:var(--ink-55);margin-top:7px}
.notice{
  background:color-mix(in srgb,var(--accent) 16%,#fff);
  border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);
  border-left:5px solid var(--accent);
  padding:13px 17px;border-radius:12px;margin:16px 0;
}
.err{color:#b3261e;font-weight:600;margin-top:12px}

/* ————— uploads ————— */
.drop{
  border:1.5px dashed color-mix(in srgb,var(--text) 32%,transparent);
  border-radius:16px;padding:26px 20px;text-align:center;cursor:pointer;
  background:color-mix(in srgb,var(--primary) 4%,#fff);
  transition:border-color .2s,background .2s,transform .18s;
}
.drop:hover{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 8%,#fff);transform:translateY(-1px)}
.drop.over{border-color:var(--primary);background:color-mix(in srgb,var(--primary) 13%,#fff);transform:scale(1.01)}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin-top:14px}
.thumb{
  position:relative;aspect-ratio:1;border-radius:14px;overflow:hidden;
  background:var(--ink-08);display:grid;place-items:center;
  font-size:13px;text-align:center;padding:4px;word-break:break-all;
  box-shadow:0 6px 16px -10px color-mix(in srgb,var(--text) 50%,transparent);
}
.thumb img,.thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.thumb button{
  position:absolute;top:6px;right:6px;z-index:2;border:0;border-radius:50%;
  width:28px;height:28px;background:#000c;color:#fff;cursor:pointer;font-size:16px;line-height:1;
  backdrop-filter:blur(4px);transition:transform .15s;
}
.thumb button:hover{transform:scale(1.12)}

.bar{height:8px;background:var(--ink-08);border-radius:99px;overflow:hidden;margin-top:14px}
.bar>i{display:block;height:100%;background:var(--primary);width:0;transition:width .2s;border-radius:99px}

/* ————— success ————— */
.success{text-align:center;padding:38px 14px}
.success .big{
  font-size:58px;line-height:1;position:relative;
  filter:drop-shadow(0 10px 18px color-mix(in srgb,var(--primary) 30%,transparent));
}
@media (prefers-reduced-motion:no-preference){
  .success .big{display:inline-block;animation:float 3.2s ease-in-out infinite}
  @keyframes float{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-9px) rotate(3deg)}}
}

.hidden{display:none!important}

/* ————— admin: tabs as segmented control ————— */
.tabs{
  display:inline-flex;gap:4px;flex-wrap:wrap;margin-bottom:24px;
  background:var(--paper);border:1px solid var(--ink-12);border-radius:999px;padding:5px;
  box-shadow:0 1px 2px #0000000a;
}
.tab{
  border:0;background:transparent;font:inherit;font-weight:600;font-size:15px;
  padding:9px 18px;border-radius:999px;cursor:pointer;color:var(--ink-70);
  transition:color .2s,background .2s;
}
.tab:hover{color:var(--text)}
.tab[aria-selected=true]{background:var(--primary);color:var(--on-primary);box-shadow:0 6px 16px -8px var(--glow)}

/* ————— admin: stats ————— */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:20px}
.stat{
  background:var(--paper);border:1px solid var(--ink-12);border-radius:16px;padding:16px 18px;
  transition:transform .2s,box-shadow .2s;
}
.stat:hover{transform:translateY(-2px);box-shadow:0 12px 28px -18px color-mix(in srgb,var(--text) 45%,transparent)}
.stat b{
  display:block;font-family:var(--serif);font-weight:700;
  font-size:34px;letter-spacing:-.01em;overflow-wrap:anywhere;line-height:1.05;color:var(--primary);
}
.stat span{font-size:11.5px;color:var(--ink-55);text-transform:uppercase;letter-spacing:.08em;font-weight:550}

table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--ink-08);vertical-align:top}

/* ————— admin: charts ————— */
.cols{display:flex;gap:4px;align-items:flex-end;height:120px;margin-top:24px}
.cols div{
  flex:1;max-width:56px;min-height:3px;position:relative;border-radius:6px 6px 2px 2px;
  background:var(--primary);
  transition:filter .2s,transform .2s;transform-origin:bottom;
}
.cols div:hover{filter:brightness(1.12);transform:scaleY(1.03)}
.cols div span{position:absolute;top:-19px;left:0;right:0;text-align:center;font-size:11px;font-weight:600;color:var(--ink-70)}
.axis{display:flex;gap:4px;justify-content:flex-start;font-size:10px;color:var(--ink-55)}
.axis span{flex:1;max-width:56px;text-align:center;overflow:hidden}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ————— admin: branding ————— */
.swatches{display:flex;gap:9px;flex-wrap:wrap}
.swatch{
  width:84px;height:46px;border-radius:12px;border:2px solid var(--ink-12);
  cursor:pointer;display:flex;overflow:hidden;padding:0;
  transition:transform .18s cubic-bezier(.34,1.56,.64,1),border-color .2s;
}
.swatch:hover{transform:translateY(-3px) rotate(-1deg);border-color:var(--ink-70)}
.swatch i{flex:1}
.preview{border-radius:16px;overflow:hidden;border:1px solid var(--ink-12);box-shadow:0 10px 30px -22px color-mix(in srgb,var(--text) 50%,transparent)}

.pill{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.02em;padding:3px 10px;border-radius:99px;background:var(--ink-08)}
.pill.sent{background:#d9f2e0;color:#146c2e}
.pill.scheduled{background:#e3ebff;color:#2447a5}
.pill.failed{background:#ffd9d6;color:#9c1c14}

/* ————— delivered letter ————— */
.letter-body{
  font-family:var(--serif);font-size:21px;line-height:1.65;font-weight:500;
  white-space:pre-wrap;text-wrap:pretty;
  background:var(--paper);
  border:1px solid var(--ink-12);border-left:5px solid var(--primary);
  padding:clamp(20px,4vw,34px);border-radius:16px;
  box-shadow:0 1px 2px #0000000a,0 18px 50px -32px color-mix(in srgb,var(--text) 45%,transparent);
}
.letter-body::first-letter{
  font-size:2.7em;line-height:.85;font-weight:600;color:var(--primary);
}
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin-top:24px}
.media-grid img,.media-grid video{
  width:100%;border-radius:4px;background:#000;display:block;
  box-shadow:0 10px 30px -18px color-mix(in srgb,var(--text) 55%,transparent);
}
/* photographs as paper prints, slightly askew */
.media-grid img{
  padding:10px 10px 26px;background:#fff;border:1px solid var(--ink-12);
  transition:transform .25s cubic-bezier(.22,.9,.3,1);
}
.media-grid img:nth-child(odd){transform:rotate(-1.4deg)}
.media-grid img:nth-child(even){transform:rotate(1.2deg)}
.media-grid img:hover{transform:rotate(0) scale(1.015)}

/* arrival line reads like a note in the margin */
#arrival{font-family:var(--serif);font-style:italic;font-size:17.5px;color:var(--ink-70);margin-top:12px}

/* landing page hero */
main.hero{text-align:center;padding-top:max(8vh,48px)}
main.hero h1{font-size:clamp(38px,6.6vw,62px);font-style:italic;font-weight:500;max-width:18ch;margin-inline:auto}
main.hero .sub{margin-inline:auto}

@media(max-width:520px){
  .card{padding:18px 16px}
  .tabs{display:flex}
  .tab{padding:9px 13px;font-size:14px;flex:1;text-align:center}
}