/* Crisp web - clean document tools. Light surface: ink on paper, per the Crisp brand. */
:root {
  --paper: #efece6;
  --white: #ffffff;
  --ink: #1a2e4f;
  --ink-dim: #5d6a80;
  --fold: #7c8595;        /* accessible slate for label text */
  --fold-soft: #a8b0bc;   /* brand fold tint, decorative only */
  --line: rgba(26, 46, 79, 0.12);
  --line-2: rgba(26, 46, 79, 0.20);
  --warn: #b4541f;
  --mono: ui-monospace, SFMono-Regular, Menlo, "JetBrains Mono", monospace;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --disp: "Inter Tight", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
body {
  min-height: 100vh;
  background:
    linear-gradient(rgba(26, 46, 79, 0.04) 1px, transparent 1px) 0 0 / 30px 30px,
    linear-gradient(90deg, rgba(26, 46, 79, 0.04) 1px, transparent 1px) 0 0 / 30px 30px,
    var(--paper);
}

.wrap { position: relative; z-index: 1; max-width: 1140px; margin: 0 auto; padding: 0 24px 80px; }

/* ---- masthead ---------------------------------------------------------- */
.top { display: flex; align-items: center; justify-content: space-between; padding: 26px 4px 22px 6px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .mk { width: 36px; height: 36px; display: block; }
.brand .wm { font-family: var(--disp); font-weight: 600; font-size: 22px; letter-spacing: -0.035em; color: var(--ink); }
.top .badge {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: var(--fold);
  border: 1px solid var(--line-2); padding: 6px 10px; border-radius: 6px; text-transform: uppercase;
}

/* ---- hero -------------------------------------------------------------- */
.hero { padding: 22px 4px 30px 6px; max-width: 780px; }
.hero .ey { font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--fold); margin: 0 0 14px; }
.hero h1 { font-family: var(--disp); font-size: clamp(34px, 6vw, 56px); line-height: 1.03; letter-spacing: -0.035em; margin: 0 0 16px; font-weight: 600; color: var(--ink); }
.hero p { font-size: 17px; line-height: 1.55; color: #46536b; margin: 0; max-width: 60ch; }
.hero .free { display: inline-flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; font-family: var(--mono); font-size: 12px; color: var(--ink-dim); }
.hero .free span { border: 1px solid var(--line-2); padding: 5px 9px; border-radius: 5px; }
.hero .free b { color: var(--ink); font-weight: 600; }

/* store buttons */
.getapp { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.storebtn {
  display: inline-flex; align-items: center; gap: 11px; border: 1px solid var(--line-2);
  border-radius: 10px; padding: 9px 16px; text-decoration: none; color: var(--ink);
  background: var(--white); transition: 0.16s;
}
.storebtn:hover { border-color: var(--ink); }
.storebtn svg { width: 22px; height: 22px; fill: var(--ink); flex: none; }
.storebtn .t { display: grid; line-height: 1.12; text-align: left; }
.storebtn .t small { font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fold); }
.storebtn .t b { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.storebtn.soon { cursor: default; }
.storebtn.soon:hover { border-color: var(--line-2); }
.storebtn .soontag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--white); background: var(--fold); padding: 3px 7px; border-radius: 4px; align-self: center; }

/* ---- the document sheet ------------------------------------------------ */
.sheet {
  position: relative; margin-top: 16px; border: 1px solid var(--line-2);
  background: var(--white); border-radius: 10px; padding: 24px;
  box-shadow: 0 24px 60px rgba(26, 46, 79, 0.08);
}
.sheet::after {
  content: ''; position: absolute; top: 0; right: 0; width: 26px; height: 26px;
  background: linear-gradient(225deg, var(--fold-soft) 0 50%, transparent 50%);
  border-top-right-radius: 10px; opacity: 0.8;
}

.lbl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fold); display: block; margin: 0 0 10px; }
.section { margin-bottom: 22px; }
.section:last-child { margin-bottom: 0; }

/* dropzone */
.drop {
  border: 1.5px dashed var(--line-2); border-radius: 10px; padding: 30px 20px; text-align: center;
  transition: 0.16s; cursor: pointer; display: block; background: #fbfaf8;
}
.drop:hover, .drop.over { border-color: var(--ink); background: #f6f4f0; }
.drop .ic { width: 36px; height: 36px; margin: 0 auto 12px; display: block; stroke: var(--fold); fill: none; }
.drop h2 { font-family: var(--disp); font-size: 18px; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 6px; color: var(--ink); }
.drop p { font-size: 13px; color: var(--ink-dim); margin: 0; }
.drop .hint { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; margin-top: 8px; color: var(--fold); }
#file { display: none; }

/* toolbar (bulk actions) */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 20px; }
.toolbar:empty, .toolbar[hidden] { display: none; }
.tbtn {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--ink);
  background: var(--white); border: 1px solid var(--line-2); border-radius: 7px; padding: 8px 12px;
  cursor: pointer; display: inline-flex; align-items: center; gap: 6px; transition: 0.14s;
}
.tbtn:hover:not(:disabled) { border-color: var(--ink); }
.tbtn:disabled { opacity: 0.4; cursor: default; }
.tbtn svg { width: 14px; height: 14px; stroke: currentColor; fill: none; }
.tbtn.danger:hover:not(:disabled) { border-color: var(--warn); color: var(--warn); }
.toolbar .selcount { font-family: var(--mono); font-size: 11px; color: var(--fold); margin-left: auto; }

/* options */
.opts { display: flex; gap: 22px; flex-wrap: wrap; align-items: flex-end; margin-top: 4px; }
.opts .g { display: grid; gap: 8px; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 7px; overflow: hidden; }
.seg button { font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--ink-dim); background: var(--white); border: none; padding: 8px 13px; cursor: pointer; border-right: 1px solid var(--line); }
.seg button:last-child { border-right: none; }
.seg button.on { background: var(--ink); color: var(--white); font-weight: 600; }
.chk { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; color: var(--ink-dim); cursor: pointer; }
.chk input { width: 16px; height: 16px; accent-color: var(--ink); }
.wmark input { font-family: var(--sans); font-size: 13px; color: var(--ink); background: var(--white); border: 1px solid var(--line-2); border-radius: 6px; padding: 8px 11px; outline: none; max-width: 200px; }
.wmark input:focus { border-color: var(--ink); }

/* pages grid */
.pages { display: grid; grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 14px; margin-top: 16px; }
.pages:empty { display: none; }
.card {
  position: relative; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden;
  background: var(--white); aspect-ratio: 3 / 4; display: grid; place-items: center; cursor: grab;
  box-shadow: 0 4px 14px rgba(26, 46, 79, 0.06); transition: box-shadow 0.14s, border-color 0.14s;
}
.card:hover { box-shadow: 0 8px 22px rgba(26, 46, 79, 0.12); }
.card.sel { border-color: var(--ink); box-shadow: 0 0 0 2px var(--ink); }
.card.drag { opacity: 0.4; }
.card .canvaswrap { width: 100%; height: 100%; display: grid; place-items: center; background: #f4f2ee; }
.card canvas, .card img { max-width: 100%; max-height: 100%; display: block; }
.card .ph { width: 42px; height: 42px; stroke: var(--fold-soft); fill: none; }
.card.look-grayscale img { filter: grayscale(1); }
.card.look-bw img { filter: grayscale(1) contrast(1.55) brightness(1.06); }
.card .num { position: absolute; top: 6px; left: 6px; font-family: var(--mono); font-size: 10px; background: var(--ink); color: var(--white); padding: 2px 6px; border-radius: 4px; }
.card .badges { position: absolute; top: 30px; left: 6px; display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.card .badges .tag { font-family: var(--mono); font-size: 9px; letter-spacing: 0.04em; background: var(--fold); color: var(--white); padding: 2px 6px; border-radius: 4px; }
.card .acts { position: absolute; top: 6px; right: 6px; display: flex; gap: 4px; opacity: 0; transition: 0.14s; }
.card:hover .acts, .card.sel .acts { opacity: 1; }
.card .acts button { width: 24px; height: 24px; display: grid; place-items: center; border: none; border-radius: 5px; background: var(--white); color: var(--ink); cursor: pointer; padding: 0; box-shadow: 0 1px 4px rgba(26,46,79,0.18); }
.card .acts button:hover { background: var(--ink); color: var(--white); }
.card .acts svg { width: 13px; height: 13px; stroke: currentColor; fill: none; }
.card .tick { position: absolute; bottom: 6px; left: 6px; width: 20px; height: 20px; border-radius: 5px; background: var(--white); border: 1px solid var(--line-2); display: grid; place-items: center; }
.card.sel .tick { background: var(--ink); border-color: var(--ink); }
.card .tick svg { width: 12px; height: 12px; stroke: var(--white); fill: none; opacity: 0; }
.card.sel .tick svg { opacity: 1; }
.card .nm { position: absolute; bottom: 0; left: 0; right: 0; font-family: var(--mono); font-size: 9px; color: var(--ink); background: linear-gradient(transparent, rgba(255,255,255,0.95)); padding: 16px 6px 5px 30px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* export bar */
.export { display: flex; align-items: center; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.btn-primary { font-family: var(--disp); font-size: 15px; font-weight: 600; letter-spacing: -0.01em; padding: 13px 24px; border-radius: 8px; cursor: pointer; transition: 0.16s; background: var(--ink); color: var(--white); border: 1px solid var(--ink); }
.btn-primary:hover:not(:disabled) { background: #233c63; }
.btn-primary:disabled { opacity: 0.4; cursor: default; }
.btn-ghost { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink); background: var(--white); border: 1px solid var(--line-2); border-radius: 8px; padding: 13px 16px; cursor: pointer; }
.btn-ghost:hover:not(:disabled) { border-color: var(--ink); }
.btn-ghost:disabled { opacity: 0.4; cursor: default; }
.export .stat { font-family: var(--mono); font-size: 12px; color: var(--fold); margin-left: auto; }
.export .stat b { color: var(--ink); }

/* filename */
.fname { display: flex; align-items: center; gap: 8px; margin-top: 18px; }
.fname label { font-family: var(--mono); font-size: 11px; color: var(--fold); letter-spacing: 0.06em; }
.fname input { font-family: var(--sans); font-size: 13px; color: var(--ink); background: var(--white); border: 1px solid var(--line-2); border-radius: 6px; padding: 8px 11px; outline: none; max-width: 240px; }
.fname input:focus { border-color: var(--ink); }
.fname .ext { font-family: var(--mono); font-size: 12px; color: var(--fold); }

/* ---- trust strip ------------------------------------------------------- */
.trust { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 0; font-family: var(--mono); font-size: 12px; color: var(--ink-dim); }
.trust span { border: 1px solid var(--line-2); border-radius: 5px; padding: 7px 11px; background: var(--white); }
.trust b { color: var(--ink); font-weight: 600; }

/* ---- about / FAQ ------------------------------------------------------- */
.about { margin: 56px 6px 0; max-width: 880px; }
.about h2 { font-family: var(--disp); font-size: clamp(22px, 3.4vw, 30px); line-height: 1.15; letter-spacing: -0.025em; color: var(--ink); font-weight: 600; margin: 0 0 14px; }
.about > p { font-size: 15px; line-height: 1.65; color: #46536b; margin: 0 0 30px; max-width: 70ch; }
.about > p strong { color: var(--ink); font-weight: 600; }
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 36px; }
.qa h3 { font-size: 15px; color: var(--ink); font-weight: 600; margin: 0 0 6px; letter-spacing: -0.01em; }
.qa p { font-size: 14px; line-height: 1.6; color: var(--ink-dim); margin: 0; }
@media (max-width: 680px) { .faq { grid-template-columns: 1fr; } }

/* ---- footer ----------------------------------------------------------- */
.titleblock { margin: 44px 0 0; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; display: grid; grid-template-columns: repeat(4, 1fr); font-family: var(--mono); font-size: 11px; background: var(--white); }
.titleblock .cell { padding: 14px 16px; border-right: 1px solid var(--line); }
.titleblock .cell:last-child { border-right: none; }
.titleblock .k { color: var(--fold); letter-spacing: 0.12em; text-transform: uppercase; display: block; margin-bottom: 6px; }
.titleblock .v { color: var(--ink); font-size: 13px; }
.titleblock .v a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--fold-soft); }
.titleblock .v a:hover { border-color: var(--ink); }

.sub { text-transform: none; letter-spacing: 0; color: var(--fold); font-weight: 400; }

/* stamps + fields */
.stamps { margin-top: 4px; }
.stamprow { display: flex; gap: 18px; flex-wrap: wrap; align-items: flex-end; }
.field { display: grid; gap: 6px; }
.field span { font-family: var(--mono); font-size: 11px; color: var(--fold); letter-spacing: 0.05em; }
.field input, .field select { font-family: var(--sans); font-size: 13px; color: var(--ink); background: var(--white); border: 1px solid var(--line-2); border-radius: 6px; padding: 8px 11px; outline: none; }
.field input:focus, .field select:focus { border-color: var(--ink); }
.field input { max-width: 170px; }
.field.rng { min-width: 150px; }
.field.rng input { padding: 0; accent-color: var(--ink); }

/* modal */
.modal { position: fixed; inset: 0; z-index: 50; background: rgba(20, 32, 54, 0.45); display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modalcard { background: var(--white); border-radius: 12px; padding: 24px; width: min(660px, 100%); max-height: 92vh; overflow: auto; box-shadow: 0 30px 80px rgba(20, 32, 54, 0.4); }
.modalcard h3 { font-family: var(--disp); font-size: 22px; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); margin: 0 0 6px; }
.modalsub { font-size: 13px; color: var(--ink-dim); margin: 0 0 16px; }
.modalnote { font-family: var(--mono); font-size: 11px; color: var(--fold); margin: 12px 0 0; }
.modalrow { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-top: 14px; }
.modalrow.end { justify-content: flex-end; margin-top: 20px; }
.modalcard label.btn-ghost { display: inline-flex; align-items: center; }

.sigpad { width: 100%; height: 200px; border: 1px dashed var(--line-2); border-radius: 8px; background: #fbfaf8; touch-action: none; cursor: crosshair; display: block; }

.cropstage { position: relative; width: 100%; max-height: 60vh; display: grid; place-items: center; background: #f4f2ee; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; user-select: none; }
.cropstage img, .cropstage canvas { max-width: 100%; max-height: 60vh; display: block; }
.cropstage .shade { position: absolute; inset: 0; background: rgba(20, 32, 54, 0.42); pointer-events: none; }
.croprect { position: absolute; border: 2px solid var(--ink); box-shadow: 0 0 0 9999px rgba(20,32,54,0.42); cursor: move; }

/* ---- responsive -------------------------------------------------------- */
@media (max-width: 520px) { .titleblock { grid-template-columns: 1fr 1fr; } .field input { max-width: 130px; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }