/* css/app.css — chrome: top bar, floating panel, tabs, fields, buttons, dialog.
   Class and id names are the app's own; only the skin changed. */
body { background: var(--stone); color: var(--ink); font: 13px/1.45 var(--ui-font); -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

/* ---------- workspace (full window; the top bar floats over it) ---------- */
#workspace { width: 100vw; height: 100vh; overflow: hidden; position: relative;
    background: radial-gradient(ellipse at 50% 30%, #2b2822 0%, var(--stone) 70%); }
#canvas-wrapper { position: absolute; transform-origin: 0 0; }

/* ---------- top bar ---------- */
#topbar {
    position: fixed; left: 0; right: 0; top: 0; z-index: 10001;
    height: calc(var(--topbar) + env(safe-area-inset-top));
    display: flex; align-items: center; gap: 14px;
    padding: 0 16px; padding-top: env(safe-area-inset-top);
    background: var(--panel); border-bottom: 1px solid var(--panel-edge);
    -webkit-user-select: none; user-select: none;
}
#logo { display: flex; align-items: center; gap: 10px; color: var(--verdigris); }
#logo svg { width: 26px; height: 26px; display: block; }
#logo span { color: var(--ink); font-size: 14.5px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; white-space: nowrap; }
#topbar .spacer { flex: 1; }
#bench { display: flex; align-items: center; gap: 6px; margin-left: 4px; }
#bench a { position: relative; text-decoration: none; display: flex; align-items: center; justify-content: center; }
#bench a svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
#bench a::after, .tip::after {
    content: attr(data-tip);
    position: absolute; left: 50%; top: 40px; transform: translateX(-50%);
    background: #1c1a16; border: 1px solid var(--panel-edge);
    color: var(--ink); font-size: 11.5px; letter-spacing: .03em;
    padding: 4px 9px; border-radius: 6px; white-space: nowrap;
    opacity: 0; pointer-events: none; transition: opacity .12s; z-index: 30;
}
.tip { position: relative; }
@media (hover: hover) { #bench a:hover::after, .tip:hover::after { opacity: 1; transition-delay: .35s; } }

.btn {
    appearance: none; border: 1px solid var(--panel-edge); background: transparent; color: var(--ink);
    font: inherit; font-size: 12.5px; letter-spacing: .03em; padding: 7px 14px; border-radius: var(--radius);
    cursor: pointer; transition: border-color .15s, color .15s, background .15s; touch-action: manipulation; white-space: nowrap;
}
.btn:hover { border-color: var(--verdigris); color: var(--verdigris); }
.btn:focus-visible { outline: 2px solid var(--verdigris); outline-offset: 2px; }
.btn.primary { border-color: var(--verdigris); color: var(--verdigris); }
.btn.primary:hover { background: var(--verdigris-dim); }
.btn.icon { width: 34px; height: 34px; padding: 0; border-radius: 50%; font-size: 14px; color: var(--muted); display: inline-flex; align-items: center; justify-content: center; }
.btn.icon:hover { color: var(--verdigris); }
.btn.icon svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn.on { color: var(--verdigris); background: var(--verdigris-dim); border-color: #54756455; }

/* zoom lives in the top bar as a segmented control */
#zoom-controls { display: flex; align-items: center; border: 1px solid var(--panel-edge); border-radius: 7px; overflow: hidden; }
.zoom-btn { appearance: none; border: none; background: transparent; color: var(--muted); font: inherit; font-size: 13px; padding: 6px 11px; cursor: pointer; touch-action: manipulation; }
.zoom-btn + .zoom-btn { border-left: 1px solid var(--panel-edge); }
.zoom-btn:hover { color: var(--verdigris); }
#zoom-label { font-size: 11px; width: 48px; text-align: center; color: var(--ink); border-left: 1px solid var(--panel-edge); border-right: 1px solid var(--panel-edge); padding: 7px 0; font-variant-numeric: tabular-nums; }

body.ui-hidden #properties-panel { display: none !important; }
body.ui-hidden #btn-toggle-ui { color: var(--verdigris); }

/* ---------- floating properties panel ---------- */
#properties-panel {
    position: fixed; top: calc(var(--topbar) + env(safe-area-inset-top) + 16px); right: 16px; width: 272px;
    max-height: calc(100vh - var(--topbar) - env(safe-area-inset-top) - 32px); overflow-y: auto;
    background: var(--panel); border: 1px solid var(--panel-edge); border-radius: var(--radius);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .45);
    font-family: var(--ui-font); font-size: 12px; color: var(--ink); z-index: 10000;
    -webkit-overflow-scrolling: touch;
}
#properties-panel::-webkit-scrollbar { width: 0px; background: transparent; }
.tabs { display: flex; border-bottom: 1px solid var(--panel-edge); background: var(--panel); position: sticky; top: 0; z-index: 10; }
.tab-btn { flex: 1; padding: 11px 10px; background: transparent; border: none; border-bottom: 2px solid transparent; font-family: var(--ui-font); font-size: 10.5px; font-weight: 500; color: var(--muted); cursor: pointer; text-transform: uppercase; letter-spacing: .14em; transition: color .15s, border-color .15s; touch-action: manipulation; }
.tab-btn.active { color: var(--verdigris); border-bottom-color: var(--verdigris); }
.tab-btn:hover:not(.active) { color: var(--ink); }
.panel-section { padding: 14px 16px; border-bottom: 1px solid var(--panel-edge); }
.panel-section:last-child { border-bottom: none; }
.panel-title { font-weight: 500; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 10px; font-size: 10.5px; color: var(--muted); }

/* layers */
.layers-list { display: flex; flex-direction: column; }
.layer-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--panel-edge); cursor: pointer; background: transparent; transition: background .1s; }
.layer-item:hover { background: #33302a; }
.layer-item.active { background: var(--verdigris-dim); border-left: 3px solid var(--verdigris); padding-left: 13px; }
.layer-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; pointer-events: none; color: var(--ink); }
.layer-actions { display: flex; gap: 4px; }
.layer-btn { background: transparent; border: 1px solid var(--panel-edge); border-radius: 5px; cursor: pointer; padding: 3px 6px; font-size: 9px; color: var(--muted); touch-action: manipulation; }
.layer-btn:hover { color: var(--verdigris); border-color: var(--verdigris); }
.layer-empty { padding: 30px; text-align: center; color: var(--muted); font-size: 11.5px; }

/* fields */
.input-group { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; gap: 8px; }
.input-group label { flex: 1; font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.input-group input, .input-group select { width: 80px; padding: 5px 5px; border: 1px solid var(--panel-edge); border-radius: 6px; background: transparent; color: var(--ink); font-family: var(--ui-font); font-size: 12px; text-align: right; }
.input-group select { appearance: none; -webkit-appearance: none; text-align: left; padding-right: 22px; cursor: pointer;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23a49b88" stroke-width="2" stroke-linecap="round"><path d="M6 9l6 6 6-6"/></svg>');
    background-repeat: no-repeat; background-position: right 6px center; background-size: 11px; }
select option { background: var(--panel); color: var(--ink); }
select optgroup { background: var(--stone); color: var(--verdigris); font-style: normal; font-weight: 500; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
select optgroup option { text-transform: none; letter-spacing: 0; font-size: 12px; color: var(--ink); }
.input-group input[type="checkbox"] { width: auto; cursor: pointer; accent-color: var(--verdigris); }
.input-group input:focus, .input-group select:focus, .input-group textarea:focus { outline: none; border-color: var(--verdigris); }
.input-group input[type="color"] { padding: 0; height: 24px; width: 40px; cursor: pointer; background: transparent; }
.input-group input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
.input-group input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }
input::placeholder, textarea::placeholder { color: var(--faint); }
.swatch-container { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; justify-content: flex-end; }
.swatch { width: 16px; height: 16px; border-radius: 50%; border: 1px solid var(--panel-edge); cursor: pointer; transition: transform .1s; }
.swatch:hover { transform: scale(1.2); }

/* buttons inside the panel */
.ui-btn { width: 100%; padding: 8px 10px; margin-bottom: 6px; background: transparent; border: 1px solid var(--panel-edge); border-radius: var(--radius); color: var(--ink); cursor: pointer; font-family: var(--ui-font); font-size: 12px; text-align: left; transition: border-color .15s, color .15s, background .15s; touch-action: manipulation; }
.ui-btn:hover { border-color: var(--verdigris); color: var(--verdigris); }
.ui-btn.primary { border-color: var(--verdigris); color: var(--verdigris); }
.ui-btn.primary:hover { background: var(--verdigris-dim); }
.ui-btn.danger { color: var(--rust); border-color: #c8836a55; background: transparent; margin-top: 8px; margin-bottom: 0; text-align: center; }
.ui-btn.danger:hover { background: #c8836a14; border-color: var(--rust); }
.ui-btn.secondary { font-size: 10.5px; text-align: center; padding: 5px 4px; margin-bottom: 4px; }
.ui-btn.on { color: var(--verdigris); background: var(--verdigris-dim); border-color: #54756455; }

/* ---------- ? dialog ---------- */
.wrap { position: fixed; inset: 0; z-index: 10100; display: flex; align-items: center; justify-content: center; background: rgba(15, 14, 11, .72); }
.dlg { width: min(560px, calc(100% - 40px)); max-height: min(82vh, 660px); background: var(--panel); border: 1px solid var(--panel-edge); border-radius: 14px; padding: 26px 28px; overflow-y: auto; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); -webkit-user-select: text; user-select: text; -webkit-overflow-scrolling: touch; }
.dlg h2 { font-size: 15px; letter-spacing: .12em; text-transform: uppercase; color: var(--verdigris); margin-bottom: 14px; display: flex; align-items: center; justify-content: space-between; }
.dlg h3 { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 18px 0 8px; }
.dlg p { font-size: 13px; color: var(--ink); margin-bottom: 8px; line-height: 1.55; }
.dlg a { color: var(--verdigris); }
.dlg kbd { font: inherit; font-size: 11px; color: var(--ink); border: 1px solid var(--panel-edge); border-bottom-width: 2px; border-radius: 5px; padding: 0 6px; background: #1f1d19; }
.dlg table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.dlg td { padding: 5px 0; vertical-align: top; color: var(--ink); }
.dlg td:first-child { color: var(--muted); width: 38%; padding-right: 12px; }
.dlg .x { appearance: none; border: none; background: transparent; color: var(--muted); font-size: 18px; cursor: pointer; padding: 2px 6px; border-radius: 6px; line-height: 1; }
.dlg .x:hover { color: var(--ink); }
.ui-btn.secondary.danger { margin-top: 0; margin-bottom: 4px; }
#properties-panel, .dlg { color-scheme: dark; }

/* fonts section */
.font-list { margin-bottom: 8px; }
.font-item { display: flex; align-items: center; gap: 8px; padding: 5px 0; border-bottom: 1px solid var(--panel-edge); font-size: 12.5px; }
.font-item > span:first-child { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.font-meta { font-size: 10px; color: var(--faint); letter-spacing: .04em; white-space: nowrap; }

/* proof readout and gamut dots */
.lab-readout { display: flex; align-items: center; gap: 6px; margin: -2px 0 10px; font-size: 10px; color: var(--muted); font-variant-numeric: tabular-nums; }
.lab-readout .sw { width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--panel-edge); }
.lab-readout .lab { flex: 1; letter-spacing: .02em; }
.lab-readout .de { color: var(--ink); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot.ok, .swatch.ok { box-shadow: 0 0 0 2px var(--panel), 0 0 0 3px var(--verdigris); }
.dot.near, .swatch.near { box-shadow: 0 0 0 2px var(--panel), 0 0 0 3px #d9b64a; }
.dot.out, .swatch.out { box-shadow: 0 0 0 2px var(--panel), 0 0 0 3px var(--rust); }
.dot.ok { background: var(--verdigris); box-shadow: none; } .dot.near { background: #d9b64a; box-shadow: none; } .dot.out { background: var(--rust); box-shadow: none; }
.lab-readout.override { margin-top: -6px; }
.lab-readout .lbl { font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; }
.lab-readout .lbl.faint { color: var(--faint); text-transform: none; letter-spacing: 0; }
.lab-readout .adj { flex: 1; color: var(--verdigris); font-size: 10px; }
.lab-readout input.print-as { width: 28px; height: 18px; padding: 0; border: 1px solid var(--panel-edge); border-radius: 4px; background: transparent; cursor: pointer; }
.lab-readout input.print-as::-webkit-color-swatch-wrapper { padding: 1px; } .lab-readout input.print-as::-webkit-color-swatch { border: none; border-radius: 3px; }
.swatch.adjusted { position: relative; } .swatch.adjusted::after { content: ''; position: absolute; right: -2px; bottom: -2px; width: 6px; height: 6px; border-radius: 50%; background: var(--verdigris); border: 1px solid var(--panel); }

/* the mode switch above the tabs (Poster / Document) */
#pm-mode-wrap { padding: 12px 16px 8px; border-bottom: 0; }
#pm-mode-wrap .seg { display: flex; border: 1px solid var(--panel-edge); border-radius: 7px; overflow: hidden; }
#pm-mode-wrap .seg button { flex: 1; padding: 6px 4px; background: transparent; border: 0; border-right: 1px solid var(--panel-edge); font: 11px var(--ui-font); color: var(--muted); cursor: pointer; touch-action: manipulation; }
#pm-mode-wrap .seg button:last-child { border-right: 0; }
#pm-mode-wrap .seg button.on { background: var(--verdigris-dim); color: var(--verdigris); }

/* iPad: the panel becomes a bottom sheet with a grip that collapses it */
#sheet-grip { display: none; }
@media (max-width: 1024px), (pointer: coarse) {
  #properties-panel { top: auto; right: 0; left: 0; bottom: 0; width: 100%; max-height: 46vh; border-left: 0; border-right: 0; border-bottom: 0; border-radius: 12px 12px 0 0; transition: max-height .2s; }
  #sheet-grip { display: flex; justify-content: center; padding: 8px 0 4px; cursor: pointer; position: sticky; top: 0; background: var(--ui-panel-bg); z-index: 11; }
  #sheet-grip span { width: 36px; height: 4px; border-radius: 2px; background: var(--faint); }
  body.sheet-collapsed #properties-panel { max-height: 24px; overflow: hidden; }
  #pm-mode-wrap .seg button, .ui-btn { padding: 10px 6px; font-size: 12px; }
}

/* undo / redo beside the tabs */
#history-btns { display: flex; gap: 2px; align-items: center; padding: 0 8px 0 4px; border-left: 1px solid var(--panel-edge); flex: none; }
#history-btns button { width: 26px; height: 24px; background: transparent; border: 1px solid transparent; border-radius: 6px; color: var(--muted); font: 15px/1 var(--ui-font); cursor: pointer; touch-action: manipulation; }
#history-btns button:hover { border-color: var(--panel-edge); color: var(--ink); }
#history-btns button:disabled { opacity: .3; cursor: default; border-color: transparent; }

/* layers: hide and delete */
.layer-item.is-hidden .layer-name { opacity: .45; }
.layer-btn.btn-hide { font-size: 11px; }
.layer-btn.btn-remove:hover { color: var(--rust); }

/* guide colours: three small wells */
.guide-wells { display: flex; gap: 4px; align-items: center; }
.guide-wells input[type="color"] { width: 30px; height: 22px; padding: 0; border: 1px solid var(--panel-edge); border-radius: 5px; background: transparent; cursor: pointer; }
.guide-wells input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
.guide-wells input[type="color"]::-webkit-color-swatch { border: none; border-radius: 3px; }
.guide-wells .reset { background: none; border: 0; color: var(--faint); font: 10px var(--ui-font); cursor: pointer; padding: 0 2px; }
.guide-wells .reset:hover { color: var(--verdigris); }

/* the editor's own colour picker (js/ui/colorwell.js) — replaces the browser's popup */
#color-pop { position: fixed; z-index: 10010; width: 208px; padding: 8px; box-sizing: content-box; background: var(--panel); border: 1px solid var(--panel-edge); border-radius: 10px; box-shadow: 0 14px 40px rgba(0, 0, 0, .55); color-scheme: dark; }
#color-pop canvas { display: block; border-radius: 6px; touch-action: none; cursor: crosshair; }
#color-pop .cp-hue { margin-top: 6px; }
#color-pop .cp-cursor { position: absolute; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.5); pointer-events: none; transform: translate(8px, 8px); }
#color-pop .cp-row { display: flex; align-items: center; gap: 6px; margin-top: 8px; }
#color-pop .cp-swatch { width: 22px; height: 22px; border-radius: 6px; border: 1px solid var(--panel-edge); flex: none; }
#color-pop .cp-hex { flex: 1; min-width: 0; font: 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--ink); background: var(--stone); border: 1px solid var(--panel-edge); border-radius: 6px; padding: 5px 7px; text-transform: lowercase; }
#color-pop .cp-hex:focus { outline: none; border-color: var(--verdigris); }
#color-pop .cp-close { width: 22px; height: 22px; border: 0; background: transparent; color: var(--muted); font: 16px/1 var(--ui-font); cursor: pointer; border-radius: 6px; }
#color-pop .cp-close:hover { color: var(--ink); background: var(--panel-edge); }
#color-pop .cp-palette { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; padding: 0 2px; }
#color-pop .cp-palette:empty { display: none; }
#color-pop .cp-sw { width: 16px; height: 16px; border-radius: 50%; border: 1px solid var(--panel-edge); cursor: pointer; }
#color-pop .cp-sw.on { outline: 2px solid var(--ink); outline-offset: 1px; }
#color-pop .cp-readout { margin-top: 8px; }
#color-pop .cp-readout .lab-readout { margin: 0; }
input[type="color"].cp-open { outline: 2px solid var(--verdigris); outline-offset: 1px; }
@media (pointer: coarse) { #color-pop .cp-sw { width: 22px; height: 22px; } }

/* arrange: align / distribute buttons */
.align-row { display: flex; gap: 3px; }
.align-btn { width: 30px; height: 26px; background: transparent; border: 1px solid var(--panel-edge); border-radius: 6px; color: var(--muted); cursor: pointer; padding: 0; display: grid; place-items: center; touch-action: manipulation; }
.align-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; }
.align-btn svg rect { fill: color-mix(in srgb, currentColor 25%, transparent); }
.align-btn:hover { color: var(--verdigris); border-color: var(--verdigris); }
.panel-title .hint { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--faint); margin-left: 6px; }
@media (pointer: coarse) { .align-btn { width: 36px; height: 32px; } }