/* ===================== AvantPDF screens ===================== */

/* ---------- Themes ---------- */
:root, [data-theme="default"] {           /* Silver */
  --chrome-1: #f4f5f7;  --chrome-2: #e3e6ea; /* toolbar gradient */
  --menubar: #eceef1;
  --border: #c4c9d0;    --border-soft: #d6dae0;
  --text: #22262c;      --muted: #6b727c;
  --hover: rgba(30, 60, 110, .09);  --pressed: rgba(30, 60, 110, .16);
  --accent: #2f6bdc;    --accent-text: #fff;  --accent-soft: rgba(47, 107, 220, .14);
  --rail: #5a6069;      --rail-icon: #e4e7eb; --rail-hover: rgba(255,255,255,.12); --rail-active: rgba(255,255,255,.2);
  --panel: #f2f3f5;     --panel-head: #e4e7eb;
  --work: #8d939b;      --page-shadow: 0 1px 2px rgba(0,0,0,.25), 0 6px 18px rgba(0,0,0,.28);
  --field: #fff;        --menu: #fff; --menu-shadow: 0 8px 28px rgba(20,30,50,.22);
  --soon: #8a919b;
}
[data-theme="light"] {                   /* White */
  --chrome-1: #ffffff;  --chrome-2: #ffffff;
  --menubar: #ffffff;
  --border: #e1e4e8;    --border-soft: #eceef1;
  --text: #1f2328;      --muted: #6e7681;
  --hover: rgba(20, 40, 80, .06);   --pressed: rgba(20, 40, 80, .11);
  --accent: #2563eb;    --accent-text: #fff;  --accent-soft: rgba(37, 99, 235, .1);
  --rail: #f6f7f9;      --rail-icon: #4b525c; --rail-hover: rgba(20,40,80,.07); --rail-active: rgba(37,99,235,.12);
  --panel: #ffffff;     --panel-head: #f6f7f9;
  --work: #eef0f3;      --page-shadow: 0 1px 2px rgba(0,0,0,.08), 0 4px 14px rgba(0,0,0,.08);
  --field: #fff;        --menu: #fff; --menu-shadow: 0 8px 28px rgba(20,30,50,.14);
  --soon: #9aa1ab;
}
[data-theme="dark"] {
  --chrome-1: #2a2d32;  --chrome-2: #24272b;
  --menubar: #1f2124;
  --border: #3a3e45;    --border-soft: #33363c;
  --text: #e6e8eb;      --muted: #9aa1aa;
  --hover: rgba(255,255,255,.07);   --pressed: rgba(255,255,255,.13);
  --accent: #4d8bf5;    --accent-text: #fff;  --accent-soft: rgba(77, 139, 245, .18);
  --rail: #1b1d20;      --rail-icon: #b9bfc7; --rail-hover: rgba(255,255,255,.08); --rail-active: rgba(77,139,245,.22);
  --panel: #232529;     --panel-head: #2a2d32;
  --work: #141518;      --page-shadow: 0 1px 2px rgba(0,0,0,.6), 0 8px 24px rgba(0,0,0,.55);
  --field: #1b1d20;     --menu: #2a2d32; --menu-shadow: 0 10px 30px rgba(0,0,0,.5);
  --soon: #7d848e;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  display: flex; flex-direction: column;
  background: var(--work); color: var(--text);
  font: 13px/1.35 "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  user-select: none; -webkit-user-select: none;
}
svg.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round; flex: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- Menu bar ---------- */
#menubar {
  height: 28px; display: flex; align-items: center; padding: 0 4px;
  background: var(--menubar); border-bottom: 1px solid var(--border-soft);
}
#menubar .mb {
  height: 22px; padding: 0 10px; border: 0; border-radius: 4px; background: none; cursor: default;
}
#menubar .mb:hover, #menubar .mb.open { background: var(--hover); }
#menubar .spacer { flex: 1; }

/* licence status (top right) */
.lic {
  height: 20px; padding: 0 10px; margin-right: 8px; border-radius: 10px; border: 1px solid var(--border);
  background: none; font-size: 11.5px; font-weight: 600; cursor: pointer; color: var(--muted);
}
.lic:hover { background: var(--hover); }
.lic.active { color: #1f8f4e; border-color: rgba(31, 143, 78, .45); }
.lic.warn { color: #c2410c; border-color: rgba(194, 65, 12, .45); }
.lic.free { color: var(--accent); border-color: var(--accent-soft); }

/* theme switch (top right) */
#themeSwitch { display: flex; gap: 4px; padding: 0 6px; }
#themeSwitch button {
  width: 18px; height: 18px; border-radius: 50%; padding: 0; cursor: pointer;
  border: 1px solid var(--border); position: relative;
}
#themeSwitch button[data-t="default"] { background: linear-gradient(135deg, #f4f5f7 50%, #8d939b 50%); }
#themeSwitch button[data-t="light"]   { background: #fff; }
#themeSwitch button[data-t="dark"]    { background: linear-gradient(135deg, #2a2d32 50%, #141518 50%); }
#themeSwitch button.on { box-shadow: 0 0 0 2px var(--menubar), 0 0 0 3.5px var(--accent); }

/* ---------- Toolbars ---------- */
.toolbar {
  display: flex; align-items: center; gap: 2px; padding: 0 8px;
  background: linear-gradient(var(--chrome-1), var(--chrome-2));
  border-bottom: 1px solid var(--border);
}
#tb1 { height: 44px; }
#tb2 { height: 40px; }
.tb {
  height: 32px; min-width: 32px; padding: 0 7px; display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; border: 0; border-radius: 6px; background: none; cursor: pointer; white-space: nowrap;
}
.tb:hover:not(:disabled) { background: var(--hover); }
.tb:active:not(:disabled), .tb.on { background: var(--pressed); }
.tb.on { color: var(--accent); }
.tb:disabled { opacity: .38; cursor: default; }
.tb.primary { background: var(--accent); color: var(--accent-text); padding: 0 12px 0 10px; font-weight: 600; }
.tb.primary:hover { background: var(--accent); filter: brightness(1.08); }
.sep { width: 1px; height: 22px; margin: 0 6px; background: var(--border); }
.toolbar .spacer { flex: 1; }

/* page number */
.pagebox { display: flex; align-items: center; gap: 6px; margin: 0 4px; color: var(--muted); }
.field {
  height: 26px; border: 1px solid var(--border); border-radius: 5px; background: var(--field); color: var(--text);
  font: inherit; text-align: center; padding: 0 4px;
}
.field:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
#pageNum { width: 46px; }

/* zoom combo */
.combo { display: flex; align-items: center; position: relative; margin: 0 2px; }
.combo .field { width: 66px; border-radius: 5px 0 0 5px; }
.combo button {
  height: 26px; width: 22px; border: 1px solid var(--border); border-left: 0; border-radius: 0 5px 5px 0;
  background: var(--field); cursor: pointer; display: grid; place-items: center; padding: 0;
}
.combo button svg.i { width: 14px; height: 14px; }

/* right tabs */
.tabs { display: flex; gap: 2px; }
.tab {
  height: 30px; padding: 0 14px; border: 0; border-radius: 6px; background: none; cursor: pointer;
  font-weight: 600; color: var(--muted);
}
.tab:hover { background: var(--hover); color: var(--text); }
.tab.on { background: var(--accent-soft); color: var(--accent); }

/* ---------- Main area ---------- */
#main { flex: 1; display: flex; min-height: 0; }

/* left rail */
#rail {
  width: 44px; flex: none; display: flex; flex-direction: column; align-items: center; gap: 4px; padding-top: 8px;
  background: var(--rail); color: var(--rail-icon); border-right: 1px solid var(--border);
}
#rail button {
  width: 34px; height: 34px; border: 0; border-radius: 7px; background: none; display: grid; place-items: center;
  cursor: pointer; color: inherit;
}
#rail button:hover:not(:disabled) { background: var(--rail-hover); }
#rail button.on { background: var(--rail-active); }
#rail button:disabled { opacity: .35; cursor: default; }

/* navigation panel (thumbnails) */
#nav {
  width: 196px; flex: none; display: flex; flex-direction: column;
  background: var(--panel); border-right: 1px solid var(--border);
}
#nav[hidden] { display: none; }
.panel-head {
  height: 34px; flex: none; display: flex; align-items: center; justify-content: space-between; padding: 0 6px 0 12px;
  background: var(--panel-head); border-bottom: 1px solid var(--border-soft); font-weight: 600;
}
.icon-btn { width: 24px; height: 24px; border: 0; border-radius: 5px; background: none; display: grid; place-items: center; cursor: pointer; color: var(--muted); }
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn svg.i { width: 15px; height: 15px; }
#thumbs { flex: 1; overflow-y: auto; padding: 14px 0 20px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.thumb { display: flex; flex-direction: column; align-items: center; gap: 5px; cursor: pointer; }
.thumb .box {
  width: 120px; background: #fff; position: relative; border-radius: 2px;
  box-shadow: 0 0 0 1px var(--border), 0 2px 6px rgba(0,0,0,.12); transition: box-shadow .12s;
}
.thumb .box img { position: absolute; inset: 0; width: 100%; height: 100%; }
.thumb:hover .box { box-shadow: 0 0 0 2px var(--accent-soft), 0 2px 8px rgba(0,0,0,.18); }
.thumb.on .box { box-shadow: 0 0 0 3px var(--accent), 0 2px 8px rgba(0,0,0,.18); }
.thumb span { font-size: 12px; color: var(--muted); }
.thumb.on span { color: var(--accent); font-weight: 600; }

/* document view */
#view { flex: 1; overflow: auto; position: relative; background: var(--work); }
#view.hand { cursor: grab; }
#view.hand.dragging { cursor: grabbing; }
#pages { position: relative; display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 24px; min-width: max-content; }
.page { position: relative; background: #fff; box-shadow: var(--page-shadow); flex: none; }
.page img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }

/* welcome */
#welcome { position: absolute; inset: 0; display: grid; place-items: center; }
#welcome[hidden] { display: none; }
.welcome-card {
  width: 420px; padding: 36px 36px 30px; text-align: center; border-radius: 16px;
  background: var(--panel); border: 1px solid var(--border-soft);
  box-shadow: 0 20px 50px rgba(0,0,0,.18);
}
.welcome-card .logo { width: 64px; height: 64px; margin: 0 auto 14px; }
.welcome-card h1 { margin: 0 0 4px; font-size: 22px; font-weight: 700; letter-spacing: -.2px; }
.welcome-card h1 b { color: var(--accent); }
.welcome-card p { margin: 0 0 22px; color: var(--muted); }
.welcome-card .tb.primary { height: 38px; padding: 0 18px 0 14px; font-size: 14px; }
.welcome-card .hint { margin: 16px 0 0; font-size: 12px; }
kbd {
  font: 11px "Segoe UI", sans-serif; padding: 1px 6px; border-radius: 4px;
  border: 1px solid var(--border); border-bottom-width: 2px; background: var(--field); color: var(--text);
}

/* drop overlay */
#drop {
  position: fixed; inset: 10px; z-index: 40; border: 2px dashed var(--accent); border-radius: 14px;
  background: var(--accent-soft); display: grid; place-items: center; pointer-events: none;
  font-size: 16px; font-weight: 600; color: var(--accent);
}
#drop[hidden] { display: none; }

/* ---------- Right task pane ---------- */
#pane {
  width: 252px; flex: none; display: flex; flex-direction: column;
  background: var(--panel); border-left: 1px solid var(--border); overflow-y: auto;
}
#pane[hidden] { display: none; }
.acc { border-bottom: 1px solid var(--border-soft); }
.acc-head {
  width: 100%; height: 34px; display: flex; align-items: center; gap: 6px; padding: 0 10px;
  border: 0; background: var(--panel-head); font-weight: 600; cursor: pointer; text-align: left;
}
.acc-head:hover { background: var(--hover); }
.acc-head svg.i { width: 14px; height: 14px; transition: transform .15s; color: var(--muted); }
.acc.open .acc-head svg.i { transform: rotate(90deg); }
.acc-body { display: none; padding: 6px 0 10px; }
.acc.open .acc-body { display: block; }
.grp-title {
  display: flex; align-items: center; gap: 8px; margin: 8px 12px 4px; font-size: 11.5px; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: .5px;
}
.grp-title::after { content: ""; flex: 1; height: 1px; background: var(--border-soft); }
.item {
  width: calc(100% - 12px); margin: 0 6px; height: 32px; display: flex; align-items: center; gap: 10px;
  padding: 0 10px; border: 0; border-radius: 6px; background: none; cursor: pointer; text-align: left;
}
.item:hover:not(:disabled) { background: var(--hover); }
.item svg.i { color: var(--accent); }
.item:disabled { cursor: default; }
.item:disabled > svg.i, .item:disabled > .label { opacity: .5; }
.item .label { flex: 1; }

.soon {
  font-size: 10px; font-weight: 600; padding: 1px 6px; border-radius: 9px; letter-spacing: .3px;
  color: var(--soon); border: 1px solid var(--border);
}

/* ---------- Dropdown menus ---------- */
.menu {
  position: fixed; z-index: 50; min-width: 230px; padding: 5px;
  background: var(--menu); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--menu-shadow);
}
.menu .mi {
  width: 100%; height: 28px; display: flex; align-items: center; gap: 8px; padding: 0 10px 0 6px;
  border: 0; border-radius: 5px; background: none; cursor: default; text-align: left;
}
.menu .mi:hover:not(:disabled) { background: var(--accent); color: var(--accent-text); }
.menu .mi:hover:not(:disabled) .key { color: inherit; opacity: .85; }
.menu .mi:disabled { color: var(--muted); }
.menu .mi .chk { width: 18px; display: grid; place-items: center; }
.menu .mi .chk svg.i { width: 14px; height: 14px; stroke-width: 2.2; }
.menu .mi .label { flex: 1; }
.menu .mi .key { color: var(--muted); font-size: 12px; }
.menu .msep { height: 1px; margin: 5px 6px; background: var(--border-soft); }
.menu .mhead { padding: 6px 10px 3px 30px; font-size: 11.5px; font-weight: 600; color: var(--muted); }

/* ---------- Toast & dialog ---------- */
#toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; z-index: 60;
  max-width: 520px; padding: 10px 16px; border-radius: 9px; background: #2b2f36; color: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,.3); transition: opacity .2s, transform .2s; pointer-events: none;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

#dialog { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; background: rgba(0,0,0,.35); }
#dialog[hidden] { display: none; }
.dlg {
  width: 380px; padding: 26px; border-radius: 14px; text-align: center;
  background: var(--panel); border: 1px solid var(--border); box-shadow: var(--menu-shadow);
}
.dlg .logo { width: 56px; height: 56px; margin: 0 auto 10px; }
.dlg h2 { margin: 0 0 4px; font-size: 19px; }
.dlg p { margin: 0 0 6px; color: var(--muted); }
.dlg .tb { margin-top: 14px; }

/* scrollbars */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-thumb { background: rgba(127,127,127,.45); border-radius: 8px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background-color: rgba(127,127,127,.7); }
::-webkit-scrollbar-corner { background: transparent; }

/* ---------- Developer mode: planned features ---------- */
body:not(.dev) .planned { display: none !important; }
.tb .soon { margin-left: 2px; }
svg.flip { transform: scaleX(-1); }

/* ---------- Busy indicator ---------- */
#busy { display: flex; align-items: center; gap: 8px; padding: 0 10px; color: var(--muted); }
#busy[hidden] { display: none; }
.spin {
  width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--accent-soft); border-top-color: var(--accent);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Bookmarks ---------- */
#bookmarks { flex: 1; overflow: auto; padding: 8px 4px 16px; }
#bookmarks[hidden] { display: none; }
.bm { display: flex; align-items: flex-start; gap: 2px; padding: 4px 6px; border-radius: 5px; cursor: pointer; line-height: 1.3; }
.bm:hover { background: var(--hover); }
.bm.on { background: var(--accent-soft); color: var(--accent); }
.bm .tw { width: 16px; height: 17px; flex: none; display: grid; place-items: center; color: var(--muted); }
.bm .tw svg.i { width: 12px; height: 12px; transition: transform .12s; }
.bm-node.open > .bm .tw svg.i { transform: rotate(90deg); }
.bm-kids { display: none; padding-left: 14px; }
.bm-node.open > .bm-kids { display: block; }
.empty-note { padding: 18px 14px; color: var(--muted); text-align: center; }

/* ---------- Thumbnail multi-select ---------- */
.thumb.sel .box { box-shadow: 0 0 0 3px var(--accent), 0 2px 8px rgba(0,0,0,.18); }
.thumb.sel span { color: var(--accent); font-weight: 600; }

/* ---------- Text layer (selectable text over the page image) ---------- */
.textLayer {
  position: absolute; left: 0; top: 0; z-index: 1; transform-origin: 0 0; line-height: 1;
  user-select: text; -webkit-user-select: text; cursor: text; overflow: hidden;
}
.textLayer span {
  position: absolute; white-space: pre; color: transparent; transform-origin: 0 0;
  font-family: Arial, "Segoe UI", sans-serif;
}
.textLayer ::selection { background: rgba(47, 107, 220, .32); color: transparent; }
#view.hand .textLayer { pointer-events: none; }
/* text is selectable only with the Select and Highlight tools */
#view:not(.tool-select):not(.tool-highlight) .textLayer { pointer-events: none; }

/* ---------- Tools on the page ---------- */
#view.tool-addText .page, #view.tool-image .page, #view.tool-note .page,
#view.tool-check .page, #view.tool-sign .page { cursor: crosshair; }

/* the layers cover the whole page but only their boxes take clicks */
.objLayer { position: absolute; left: 0; top: 0; z-index: 2; transform-origin: 0 0; display: none; pointer-events: none; }
#view.tool-editText .txtObjs, #view.tool-editImage .imgObjs { display: block; }
.tobj, .iobj { pointer-events: auto; }
.tobj { position: absolute; cursor: text; border-radius: 1px; }
.tobj:hover { outline: 1px solid var(--accent); background: rgba(47, 107, 220, .08); }
.iobj { position: absolute; cursor: pointer; }
.iobj:hover { outline: 1.5px dashed #e07b00; background: rgba(224, 123, 0, .08); }

/* selected image: move by dragging, resize from the corners */
.imgSel { position: absolute; z-index: 6; outline: 2px solid #e07b00; cursor: move; background: rgba(224, 123, 0, .06); }
.imgSel .h {
  position: absolute; width: 10px; height: 10px; background: #fff; border: 2px solid #e07b00; border-radius: 2px;
}
.imgSel .h.nw { left: -6px; top: -6px; cursor: nwse-resize; }
.imgSel .h.ne { right: -6px; top: -6px; cursor: nesw-resize; }
.imgSel .h.sw { left: -6px; bottom: -6px; cursor: nesw-resize; }
.imgSel .h.se { right: -6px; bottom: -6px; cursor: nwse-resize; }
.imgBar {
  position: absolute; left: 0; top: -40px; display: flex; gap: 2px; padding: 3px; border-radius: 7px; cursor: default;
  background: var(--menu); border: 1px solid var(--border); box-shadow: var(--menu-shadow); white-space: nowrap;
}
.imgBar .tb { height: 28px; font-size: 12px; color: var(--text); }

.editor {
  position: absolute; z-index: 5; margin: 0; padding: 0 2px; border: 1px dashed var(--accent);
  background: rgba(255,255,255,.92); color: #000; resize: none; overflow: hidden; outline: none;
  line-height: 1.2; white-space: pre; min-width: 40px; transform-origin: 0 0;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.noteHit { position: absolute; z-index: 3; cursor: help; }

/* text options (Add Text) */
#textOpts { display: flex; align-items: center; gap: 4px; }
#textOpts[hidden] { display: none; }
#fontFamily { width: 170px; text-align: left; }
#fontSize { width: 54px; }
#fontColor { width: 30px; height: 26px; padding: 1px; border: 1px solid var(--border); border-radius: 5px; background: var(--field); cursor: pointer; }

.panel-head > span:last-child { display: flex; gap: 2px; }
.icon-btn[hidden] { display: none; }

/* ---------- Attachments ---------- */
#attachments { flex: 1; overflow: auto; padding: 8px 6px 16px; }
#attachments[hidden] { display: none; }
.att { display: flex; align-items: center; gap: 6px; padding: 6px; border-radius: 6px; }
.att:hover { background: var(--hover); }
.att .nm { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att .sz { font-size: 11px; color: var(--muted); }
.att svg.i { color: var(--accent); }

/* ---------- Dialog forms ---------- */
.dlg.wide { width: 420px; text-align: left; }
.dlg.wide h2 { text-align: left; }
.opt { display: flex; align-items: center; gap: 8px; margin: 10px 0; }
.opt input[type=radio] { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; }
.dlg .opt .field { width: 64px; height: 28px; margin: 0; text-align: center; padding: 0 4px; }
.opt .muted, .muted { color: var(--muted); }
.grid4 { display: grid; grid-template-columns: auto 80px auto 80px; gap: 8px 10px; align-items: center; margin: 10px 0; }
.dlg .grid4 .field { width: 80px; height: 28px; margin: 0; text-align: center; padding: 0 4px; }
.dlg .row.end { justify-content: flex-end; margin-top: 8px; }
.grid2 { display: grid; grid-template-columns: 150px 1fr; gap: 8px 10px; align-items: center; margin: 6px 0 12px 24px; }
.grid2[hidden], #enPermBox[hidden] { display: none; }
.dlg .grid2 .field { width: 100%; height: 30px; margin: 0; text-align: left; padding: 0 10px; }
.opt input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; }
.opt.sub { margin: 6px 0 6px 24px; }
.tb.danger { background: #d14343; color: #fff; padding: 0 14px; font-weight: 600; }
.tb.danger:hover { background: #d14343; filter: brightness(1.08); }
.dlg textarea.field { height: 90px; padding: 8px 10px; resize: vertical; font: inherit; }
#sigPad { width: 100%; height: 170px; background: #fff; border: 1px solid var(--border); border-radius: 8px; cursor: crosshair; touch-action: none; margin-top: 10px; }

/* ---------- Password dialog ---------- */
.dlg .field { width: 100%; height: 34px; margin-top: 12px; text-align: left; padding: 0 10px; }
.dlg .row { display: flex; gap: 8px; justify-content: center; }
.dlg .tb.plain { border: 1px solid var(--border); }
.dlg .err { color: #d14343; min-height: 18px; margin-top: 6px; }

/* full screen: hide everything except the document */
body.fullscreen #menubar, body.fullscreen .toolbar, body.fullscreen #rail,
body.fullscreen #nav, body.fullscreen #pane { display: none; }