/* Folio — print-shop palette: warm paper, press-black ink, vermilion registration red. */
:root {
  --paper: #f4f1ea;
  --sheet: #fffdf8;
  --ink: #1a1915;
  --ink-2: #57534a;
  --ink-3: #8c877b;
  --rule: #ddd7ca;
  --rule-2: #e9e4d8;
  --red: #e0452b;
  --red-soft: #fbe3dc;
  --blue: #2457d6;
  --blue-soft: #e1e8fb;
  --ok: #2f7d4f;
  --warn-bg: #fff3d6;
  --warn: #8a5a00;
  --shadow: 0 1px 0 rgba(26, 25, 21, .05), 0 8px 24px -12px rgba(26, 25, 21, .25);
  --serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --sans: 'IBM Plex Sans', -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', Menlo, Consolas, monospace;
  --pdf-bg: #6b675f;
  color-scheme: light;
}
/* Theme: Auto follows the system; the switch in the top bar sets data-theme="light" | "dark". */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #161512; --sheet: #1f1e1a; --ink: #f1ede3; --ink-2: #bcb6a8; --ink-3: #847f73;
    --rule: #34322c; --rule-2: #292823; --red: #ff6a4d; --red-soft: #3a211b; --blue: #7b9dff; --blue-soft: #1d2540;
    --ok: #6cc28f; --warn-bg: #3a2f14; --warn: #f2c56b; color-scheme: dark;
    --pdf-bg: #0e0d0b;
  }
}
:root[data-theme="dark"] {
  --paper: #161512; --sheet: #1f1e1a; --ink: #f1ede3; --ink-2: #bcb6a8; --ink-3: #847f73;
    --rule: #34322c; --rule-2: #292823; --red: #ff6a4d; --red-soft: #3a211b; --blue: #7b9dff; --blue-soft: #1d2540;
    --ok: #6cc28f; --warn-bg: #3a2f14; --warn: #f2c56b; color-scheme: dark;
  --pdf-bg: #0e0d0b;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 14px/1.45 var(--sans); -webkit-font-smoothing: antialiased; display: flex; flex-direction: column; overflow: hidden; }
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }
kbd { font: 11px var(--mono); border: 1px solid var(--rule); border-bottom-width: 2px; border-radius: 4px; padding: 0 4px; background: var(--sheet); }
code, .mono { font-family: var(--mono); font-size: 12px; }

/* ---------- top bar ---------- */
.top { display: flex; align-items: center; gap: 16px; padding: 12px 18px; border-bottom: 1px solid var(--rule); background: var(--paper); }
.brand { display: flex; align-items: center; gap: 9px; font: 30px/1 var(--serif); color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.mark { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--red); position: relative; }
.mark::before, .mark::after { content: ''; position: absolute; background: var(--red); }
.mark::before { left: 50%; top: -5px; bottom: -5px; width: 1.5px; transform: translateX(-50%); }
.mark::after { top: 50%; left: -5px; right: -5px; height: 1.5px; transform: translateY(-50%); }
.urlbar { flex: 1; display: flex; gap: 8px; max-width: 760px; }
.urlbar input { flex: 1; min-width: 0; height: 40px; padding: 0 14px; border: 1px solid var(--rule); border-radius: 10px; background: var(--sheet); font-family: var(--mono); font-size: 13px; outline: none; transition: border-color .15s, box-shadow .15s; }
.urlbar input:focus { border-color: var(--ink-2); box-shadow: 0 0 0 3px var(--rule-2); }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; border-radius: 99px; background: var(--red-soft); color: var(--red); font-weight: 500; font-size: 12.5px; white-space: nowrap; max-width: 280px; overflow: hidden; text-overflow: ellipsis; }

/* theme switch */
.theme-btn { width: 36px; height: 36px; padding: 0; border-radius: 9px; border: 1px solid var(--rule); background: var(--sheet); color: var(--ink-2); cursor: pointer; display: grid; place-items: center; flex: none; margin-left: auto; }
.theme-btn:hover { color: var(--ink); border-color: var(--ink-3); }
.theme-btn svg { width: 18px; height: 18px; }

/* ---------- buttons & controls ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: 9px; border: 1px solid var(--rule); background: var(--sheet); cursor: pointer; font-weight: 500; font-size: 13px; white-space: nowrap; transition: background .15s, border-color .15s, transform .05s; }
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn.primary:hover { background: var(--red); border-color: var(--red); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: var(--rule-2); }
.btn:disabled { opacity: .45; pointer-events: none; }
.urlbar .btn { height: 40px; padding: 0 18px; }
.link { background: none; border: 0; padding: 0; color: var(--ink-3); cursor: pointer; font-size: 12px; text-decoration: underline; text-underline-offset: 2px; }
.link:hover { color: var(--red); }
.row { display: flex; align-items: center; flex-wrap: wrap; }
.gap { gap: 8px; }

.seg { display: flex; padding: 3px; gap: 2px; background: var(--rule-2); border-radius: 10px; }
.seg button { flex: 1; border: 0; background: transparent; border-radius: 7px; padding: 7px 8px; cursor: pointer; font-size: 12.5px; font-weight: 500; color: var(--ink-2); display: flex; flex-direction: column; align-items: center; gap: 1px; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--sheet); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, .12); }
.seg.sm button { padding: 4px 10px; font-size: 12px; }
.papers button b { font: 22px/1 var(--serif); font-weight: 400; }
.papers button small { font: 10px var(--mono); color: var(--ink-3); }

/* ---------- workspace ---------- */
.work { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) 340px; min-height: 0; }
.stage { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.tabs { display: flex; align-items: center; gap: 2px; padding: 8px 14px 0; border-bottom: 1px solid var(--rule); }
.tab { border: 0; background: none; padding: 9px 12px 10px; cursor: pointer; font-weight: 500; color: var(--ink-3); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab small { font-weight: 400; color: var(--ink-3); margin-left: 4px; font-size: 11.5px; }
.tab.on { color: var(--ink); border-bottom-color: var(--red); }
.toolbar { margin-left: auto; display: flex; align-items: center; gap: 10px; padding-bottom: 6px; min-width: 0; }
.crumbs { display: flex; gap: 3px; overflow: hidden; max-width: 46vw; }
.crumbs button { border: 1px solid var(--rule); background: var(--sheet); border-radius: 6px; padding: 2px 7px; font: 11px var(--mono); color: var(--ink-2); cursor: pointer; white-space: nowrap; max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
.crumbs button:hover { border-color: var(--red); color: var(--red); }
.crumbs button.cur { border-color: var(--ink-3); color: var(--ink); }

.frames { position: relative; flex: 1; min-height: 0; background: repeating-linear-gradient(45deg, transparent 0 10px, var(--rule-2) 10px 11px); }
.frames iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #fff; }
#pageFrame { inset: auto; top: 0; transform-origin: 0 0; box-shadow: 0 0 0 1px var(--rule), 0 10px 30px -12px rgba(0,0,0,.35); }
/* the real PDF lives off-screen, only for print(); the preview is drawn by pdf.js */
.print-frame { position: absolute !important; width: 10px !important; height: 10px !important; inset: auto !important; left: -9999px !important; top: 0 !important; visibility: hidden; }
.pdf-view { position: absolute; inset: 0; overflow: auto; background: var(--pdf-bg); display: flex; flex-direction: column; align-items: center; gap: 22px; padding: 26px 16px 40px; }
.pdf-view figure { margin: 0; display: grid; gap: 6px; justify-items: center; }
.pdf-view canvas { display: block; background: #fff; box-shadow: 0 2px 4px rgba(0,0,0,.25), 0 16px 40px -16px rgba(0,0,0,.6); }
.pdf-view figcaption { font: 11px var(--mono); color: rgba(255,255,255,.7); }

.empty { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px 24px; background: var(--paper); overflow: auto; }
.empty h1 { font: 44px/1.05 var(--serif); font-weight: 400; margin: 26px 0 12px; letter-spacing: -.01em; }
.empty h1 em { color: var(--red); }
.empty p { max-width: 460px; color: var(--ink-2); margin: 0; }
.sheet-art { position: relative; width: 150px; height: 110px; }
.sheet-art i { position: absolute; bottom: 0; background: var(--sheet); border: 1px solid var(--rule); box-shadow: var(--shadow); border-radius: 2px; }
.sheet-art .a3 { left: 0; width: 66px; height: 94px; }
.sheet-art .a4 { left: 52px; width: 47px; height: 66px; }
.sheet-art .a5 { left: 88px; width: 33px; height: 47px; border-color: var(--red); }
.recent { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; width: min(520px, 100%); }
.recent h3 { font: 500 11px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 4px; text-align: left; }
.recent button { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; text-align: left; border: 1px solid var(--rule); background: var(--sheet); border-radius: 10px; padding: 9px 12px; cursor: pointer; }
.recent button:hover { border-color: var(--ink-3); }
.recent b { font-weight: 500; font-size: 13px; }
.recent small { font: 11px var(--mono); color: var(--ink-3); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.loading { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; background: color-mix(in srgb, var(--paper) 88%, transparent); z-index: 3; color: var(--ink-2); }
.press { display: flex; gap: 6px; }
.press span { width: 10px; height: 14px; background: var(--ink); border-radius: 1px; animation: press 1s ease-in-out infinite; }
.press span:nth-child(2) { animation-delay: .15s; background: var(--red); }
.press span:nth-child(3) { animation-delay: .3s; }
@keyframes press { 0%, 100% { transform: scaleY(.4); opacity: .4; } 50% { transform: scaleY(1); opacity: 1; } }

.hover-tag { position: absolute; z-index: 2; pointer-events: none; background: var(--ink); color: var(--paper); font: 11px/1.3 var(--mono); padding: 3px 7px; border-radius: 5px; max-width: 420px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; box-shadow: var(--shadow); }
.hover-tag.keep, .hover-tag.adjust { background: var(--blue); color: #fff; }

/* ---------- sources (pages of the PDF) ---------- */
.sources { display: flex; align-items: center; gap: 6px; padding: 8px 18px; border-bottom: 1px solid var(--rule); overflow-x: auto; background: var(--paper); }
.sources .lbl { font: 500 11px var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-right: 4px; white-space: nowrap; }
.src { display: inline-flex; align-items: center; gap: 2px; border: 1px solid var(--rule); background: var(--sheet); border-radius: 9px; padding: 2px 3px 2px 8px; max-width: 280px; flex: none; }
.src.on { border-color: var(--red); box-shadow: 0 0 0 2px var(--red-soft); }
.src > button { border: 0; background: none; cursor: pointer; color: var(--ink-3); font-size: 12px; padding: 3px 5px; border-radius: 6px; }
.src > button:hover { color: var(--ink); background: var(--rule-2); }
.src .pick { color: var(--ink); display: flex; gap: 6px; align-items: baseline; min-width: 0; padding-left: 0; }
.src .pick b { font: 11px var(--mono); color: var(--red); }
.src .pick span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12.5px; }
.src .tpl { font-size: 10px; color: var(--ok); }

/* ---------- adjust popover ---------- */
.adjust-pop { position: absolute; z-index: 4; width: 290px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 12px; padding: 12px; box-shadow: 0 18px 50px -18px rgba(0,0,0,.45); display: grid; gap: 9px; }
.adjust-pop header { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.adjust-pop header code { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--blue); }
.adjust-pop .mini { font-size: 11.5px; color: var(--ink-3); margin-bottom: -5px; }
.adjust-pop .btn { height: 30px; padding: 0 9px; font-size: 12px; }
#hiddenList li.adj { background: var(--blue-soft); }
#hiddenList li.adj code { cursor: pointer; }

/* ---------- panel ---------- */
.panel { border-left: 1px solid var(--rule); background: var(--sheet); display: flex; flex-direction: column; min-height: 0; }
.panel[inert] .scroll { opacity: .5; }
.panel .scroll { flex: 1; overflow-y: auto; padding: 6px 18px 18px; }
.group { padding: 16px 0; border-bottom: 1px solid var(--rule-2); display: grid; gap: 10px; }
.group:last-child { border-bottom: 0; }
.group h2 { font: 500 11px var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0; }
.hint { font-size: 12px; color: var(--ink-3); margin: 0; }
.note { font-size: 12px; margin: 0; padding: 8px 10px; border-radius: 8px; }
.note.warn { background: var(--warn-bg); color: var(--warn); }
.check { display: flex; gap: 9px; align-items: flex-start; font-size: 13px; cursor: pointer; color: var(--ink-2); }
.check input { margin: 2px 0 0; accent-color: var(--red); }
.range { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; font-size: 13px; color: var(--ink-2); }
.range output { font: 12px var(--mono); color: var(--ink); }
.range input { grid-column: 1 / -1; accent-color: var(--red); width: 100%; }

.hidden-list { border: 1px solid var(--rule); border-radius: 10px; padding: 8px 10px; display: grid; gap: 6px; }
.list-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 500; color: var(--ink-2); }
#hiddenList { grid-template-columns: minmax(0, 1fr); list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; max-height: 210px; overflow-y: auto; }
#hiddenList li { min-width: 0; display: flex; align-items: center; gap: 6px; padding: 4px 4px 4px 8px; border-radius: 7px; background: var(--red-soft); }
#hiddenList li.keep { background: var(--blue-soft); }
#hiddenList li.miss { opacity: .55; }
#hiddenList code { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
#hiddenList .tag { font: 600 10px var(--sans); text-transform: uppercase; letter-spacing: .05em; color: var(--blue); }
#hiddenList .n { font: 10px var(--mono); color: var(--ink-3); }
#hiddenList button { border: 0; background: none; cursor: pointer; color: var(--ink-3); font-size: 11px; padding: 2px 5px; border-radius: 5px; white-space: nowrap; }
#hiddenList button:hover { color: var(--ink); background: var(--sheet); }

.hf { display: grid; grid-template-columns: auto 1fr 1fr 1fr; gap: 5px; align-items: center; }
.hf-label { font-size: 12px; color: var(--ink-3); padding-right: 4px; }
.hf input, .tpl-form input, .dialog input { width: 100%; min-width: 0; height: 32px; padding: 0 8px; border: 1px solid var(--rule); border-radius: 7px; background: var(--paper); font-size: 12px; outline: none; }
.hf input:focus, .tpl-form input:focus, .dialog input:focus { border-color: var(--ink-3); }
.vars { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.var { border: 1px dashed var(--rule); background: none; border-radius: 6px; padding: 1px 6px; font: 11px var(--mono); color: var(--ink-2); cursor: pointer; }
.var:hover { border-color: var(--red); color: var(--red); }
.logo-row { display: flex; gap: 12px; align-items: center; }
.logo-box { width: 88px; height: 52px; flex: none; border: 1px dashed var(--rule); border-radius: 8px; display: grid; place-items: center; background: var(--paper); overflow: hidden; font-size: 11px; color: var(--ink-3); }
.logo-box img { max-width: 80px; max-height: 44px; }
.logo-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.logo-actions .seg { width: 100%; }

.tpl-current { font-size: 13px; color: var(--ink-2); }
.tpl-current b { color: var(--ink); font-weight: 600; }
.tpl-current code { display: block; margin-top: 2px; color: var(--ink-3); }
.tpl-form { display: grid; gap: 8px; padding: 10px; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); }
.tpl-form label { display: grid; gap: 4px; font-size: 12px; color: var(--ink-2); }
.tpl-form input { background: var(--sheet); }
.ok { color: var(--ok); }
.bad { color: var(--red); }

.actions { border-top: 1px solid var(--rule); padding: 12px 18px 14px; display: grid; gap: 8px; background: var(--sheet); }
.actions .row { display: grid; grid-template-columns: 1fr 1fr; }
.actions .btn { height: 42px; }
.status { margin: 0; font-size: 12px; color: var(--ink-3); min-height: 17px; }

.tpl-links { margin: 4px 0 0; padding-left: 16px; display: grid; gap: 2px; }
.tpl-links li, .tpl-list .pats li { font: 11px var(--mono); color: var(--ink-3); word-break: break-all; }
.tpl-list .pats { margin: 2px 0 4px; padding-left: 18px; }
.tpl-links-head { font-size: 12px; color: var(--ink-2); }
#tplLinks { display: grid; gap: 6px; }
.tpl-link { display: grid !important; grid-template-columns: 1fr auto; gap: 3px 6px; align-items: center; }
.tpl-link .lbl { grid-column: 1 / -1; font-size: 11.5px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tpl-link .chk { font-weight: 600; width: 14px; text-align: center; }
.api-help { margin-top: 10px; border-top: 1px solid var(--rule-2); padding-top: 10px; font-size: 13px; }
.api-help summary { cursor: pointer; font-weight: 500; }
.api-help pre { background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; padding: 10px; overflow-x: auto; font-size: 11.5px; white-space: pre-wrap; word-break: break-all; }

/* ---------- dialogs & toast ---------- */
.dialog { border: 1px solid var(--rule); border-radius: 14px; padding: 18px 20px; background: var(--sheet); color: var(--ink); width: min(560px, calc(100vw - 32px)); box-shadow: 0 20px 60px -20px rgba(0, 0, 0, .4); }
.dialog::backdrop { background: rgba(20, 18, 14, .35); }
.dialog > header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.dialog h2 { font: 28px/1 var(--serif); font-weight: 400; margin: 0; }
.dialog.small { width: 320px; }
.dialog.small form { display: grid; gap: 10px; }
.tpl-list { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 6px; max-height: 60vh; overflow: auto; }
.tpl-list li { border: 1px solid var(--rule); border-radius: 10px; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; align-items: center; }
.tpl-list .meta { font-size: 11.5px; color: var(--ink-3); }
.tpl-list .acts { grid-row: span 2; display: flex; gap: 4px; }
.tpl-list input { height: 28px; }
.tpl-list .empty-row { color: var(--ink-3); font-size: 13px; border-style: dashed; display: block; }

.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 10px; font-size: 13px; box-shadow: var(--shadow); z-index: 20; max-width: min(520px, calc(100vw - 32px)); }
.toast.err { background: var(--red); color: #fff; }

/* ---------- narrow screens ---------- */
@media (max-width: 1100px) { .tab small { display: none; } }
@media (max-width: 860px) {
  body { overflow: auto; }
  .top { flex-wrap: wrap; padding: 10px 16px; }
  .urlbar { order: 3; flex-basis: 100%; }
  .work { grid-template-columns: 1fr; }
  .stage { height: 70vh; }
  .toolbar { display: none; }
  .panel { border-left: 0; border-top: 1px solid var(--rule); }
  .panel .scroll { overflow: visible; }
  .empty h1 { font-size: 34px; }
}