/* SnapText — "darkroom proof sheet": serif display, mono output, ink-blue accent.
   System font stacks on purpose: the app must render identically offline / in Tauri. */
:root{
  --brand:#2563EB; --brand-ink:#1E40AF; --brand-wash:#DBEAFE;
  --paper:#F6F4EF; --sheet:#FFFFFF; --ink:#16181D; --muted:#5B6170; --rule:#D9D5CC;
  --ok:#0F7B4B; --err:#B42318; --err-wash:#FEE4E2;
  --serif:"Iowan Old Style","Palatino Linotype",Charter,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --r-sm:4px; --r-lg:14px;
  --shadow:0 1px 0 rgba(22,24,29,.04),0 12px 32px -12px rgba(22,24,29,.18);
  --fast:150ms; --ease:cubic-bezier(.16,1,.3,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --brand:#5B8CFF; --brand-ink:#A9C1FF; --brand-wash:#172554;
  --paper:#0F1115; --sheet:#171A21; --ink:#ECEDEF; --muted:#9AA1AE; --rule:#2A2F3A;
  --ok:#4ADE80; --err:#FCA5A5; --err-wash:#3B1414;
  --shadow:0 1px 0 rgba(0,0,0,.4),0 16px 40px -16px rgba(0,0,0,.7);
  color-scheme:dark;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 var(--sans);
  background-image:radial-gradient(var(--rule) .6px,transparent .6px);background-size:18px 18px;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--brand)}
a:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible,.drop:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
header,footer{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;max-width:1080px;width:100%;margin:0 auto;padding:1rem 16px}
header nav,footer{font-size:.9rem}
header nav{margin-left:auto;display:flex;gap:1rem}
header nav a,footer a{color:var(--muted);text-decoration:none}
header nav a:hover,footer a:hover{color:var(--ink);text-decoration:underline}
.logo{display:flex;align-items:center;gap:.5rem;font:600 1.15rem/1 var(--serif);color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.mark{width:22px;height:22px;border-radius:5px;background:var(--brand);position:relative;box-shadow:inset 0 0 0 2px rgba(255,255,255,.25)}
.mark::after{content:"";position:absolute;left:5px;right:5px;top:7px;height:2px;background:#fff;box-shadow:0 4px 0 #fff,0 8px 0 rgba(255,255,255,.6)}
main{flex:1;max-width:1080px;width:100%;margin:0 auto;padding:0 16px 3rem}
footer{border-top:1px solid var(--rule);color:var(--muted)}
footer span{margin-left:auto}

.hero{padding:2.5rem 0 1.75rem;max-width:44rem}
.eyebrow{font:500 .75rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
h1{font:600 clamp(2.2rem,1.4rem + 4vw,4rem)/1.02 var(--serif);letter-spacing:-.025em;margin:.6rem 0 .8rem}
h1 em{font-style:italic;color:var(--brand)}
.lede{color:var(--muted);font-size:1.075rem;margin:0}
.privacy-pill{display:inline-flex;align-items:center;gap:.45rem;margin-top:1rem;padding:.35rem .7rem;border:1px solid var(--rule);border-radius:999px;background:var(--sheet);font-size:.85rem}
.privacy-pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}

.bench{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:1.25rem;align-items:start}
@media (max-width:820px){.bench{grid-template-columns:1fr}}
.panel{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:1rem}
.panel h2{font:500 .75rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .75rem;display:flex;justify-content:space-between;gap:.5rem}
.drop{position:relative;display:grid;place-items:center;text-align:center;min-height:260px;border:1.5px dashed var(--rule);border-radius:10px;padding:1.25rem;cursor:pointer;transition:border-color var(--fast) var(--ease),background-color var(--fast) var(--ease)}
.drop:hover,.drop.over{border-color:var(--brand);background:color-mix(in srgb,var(--brand-wash) 45%,transparent)}
.drop strong{font:600 1.35rem/1.2 var(--serif);display:block}
.drop small{color:var(--muted)}
.drop img{max-width:100%;max-height:420px;border-radius:6px;display:block}
.drop.has-img{border-style:solid;padding:.5rem;min-height:0}
.kbd{font:500 .8em var(--mono);border:1px solid var(--rule);border-bottom-width:2px;border-radius:4px;padding:0 .3em}
.row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-top:.85rem}
.row .grow{flex:1}
label.sel{display:flex;align-items:center;gap:.4rem;font-size:.9rem;color:var(--muted)}
select{font:inherit;color:var(--ink);background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-sm);padding:.45rem .5rem}
.btn{font:600 .92rem/1 var(--sans);display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.7rem 1rem;border-radius:8px;border:1px solid var(--rule);background:var(--sheet);color:var(--ink);cursor:pointer;text-decoration:none;transition:transform var(--fast) var(--ease),background-color var(--fast) var(--ease),border-color var(--fast)}
.btn:hover{border-color:var(--ink)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-ink);border-color:var(--brand-ink)}
.btn[disabled],.btn[aria-disabled=true]{opacity:.45;cursor:not-allowed;transform:none}
.cam{display:none}
@media (pointer:coarse){.cam{display:inline-flex}}
.progress{height:6px;border-radius:999px;background:var(--rule);overflow:hidden;margin-top:.85rem}
.progress>i{display:block;height:100%;width:100%;background:var(--brand);transform-origin:left;transform:scaleX(0);transition:transform 200ms var(--ease)}
.status{font:500 .82rem/1.4 var(--mono);color:var(--muted);margin-top:.5rem;min-height:1.2em}
.error{display:none;margin-top:.75rem;padding:.65rem .8rem;border-radius:8px;background:var(--err-wash);color:var(--err);font-size:.92rem}
.error.show{display:block}
textarea{width:100%;min-height:360px;resize:vertical;font:15px/1.6 var(--mono);color:var(--ink);background:transparent;border:1px solid var(--rule);border-radius:10px;padding:.9rem;
  background-image:linear-gradient(transparent calc(1.6em - 1px),color-mix(in srgb,var(--rule) 60%,transparent) 1px);background-size:100% 1.6em;background-attachment:local;background-position:0 .9rem}
.meta{color:var(--muted);font-size:.85rem}

.prose{max-width:42rem;padding-top:2rem}
.prose h1{font-size:clamp(2rem,1.5rem + 2.5vw,3rem)}
.prose h2{font:600 1.35rem/1.25 var(--serif);margin-top:2rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-top:1.25rem}
.card{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-lg);padding:1rem;display:flex;flex-direction:column;gap:.5rem}
.card h3{font:600 1.1rem var(--serif);margin:0 0 .25rem}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}