/* SPDX-FileCopyrightText: AXENTRA */
/* SPDX-License-Identifier: LicenseRef-Proprietary */
/* Axentra — web client styles.
   Colours come only from the variables below (docs/themes.md). Light is the base; Dark and High contrast override
   it. The Dark block appears twice, once for an explicit choice and once for "Same as my computer" on a computer
   set to dark; server/tests/test_themes.py checks the two stay the same and every text pair meets WCAG AA. */
:root {
  color-scheme: light;
  --bg: #F3F4F1;
  --panel: #FFFFFF;
  --panel-2: #F8F9F7;
  --ink: #16191D;
  --ink-2: #353B41;
  --muted: #5A6167;
  --line: #DCDFDC;
  --line-2: #ECEEEC;
  --rail: #16191D;
  --rail-2: #252B31;
  --rail-ink: #B6BDC3;
  --brand: #EF5A28;          /* Axentra orange (docs/brand); the logo only, not the interface accent */
  --rail-ink-hover: #FFFFFF;
  --mark: #5AA2F0;
  --accent: #0B5CAD;
  --accent-hover: #094C8F;
  --accent-soft: #E7F0FA;
  --accent-line: #A9C8EA;
  --on-accent: #FFFFFF;
  --on-ink: #FFFFFF;
  --sel: #DCE7F8;
  --sel-line: #9DB8E4;
  --blue: #1F5FBF;
  --link-hover: #163F80;
  --field: #FFFFFF;
  --field-line: #C9CED2;
  --input-line: #B9BFC4;
  --btn-bg: #FFFFFF;
  --btn-line: #C3C9CE;
  --btn-line-hover: #A9B0B6;
  --row-hover: #F5F7FA;
  --thumb-bg: #FFFFFF;
  --disabled-ink: #9AA1A7;
  --ok-bg: #DDF0E4; --ok: #14532D;
  --work-bg: #FDE9D7; --work: #8A3A08;
  --rev-bg: #DCE7F8; --rev: #1E3A8A;
  --obs-bg: #E5E7EA; --obs: #3F4650;
  --err-bg: #FBE0DE; --err: #8B1D16;
  --warn-bg: #FFF4D6; --warn: #6B4E00;
  --err-line: #E9B4AE;
  --info-bg: #EEF3FB; --info-line: #C6D6EF;
  --ok-soft: #EAF6EE; --ok-line: #B9DEC6;
  --dev-bg: #FFF4D6; --dev-ink: #5C4300; --dev-line: #E8CF7A;
  --mention-bg: #E7F0FA; --mention-ink: #0B4A8C;
  --unread: #0B5CAD;
  --chip-type-bg: #E8EBEE; --chip-type-ink: #2E3A46;
  --type-part: #E3EAF4; --type-asm: #DCE5F0; --type-drw: #E8E3F1;
  --type-cad2d: #F1E4D3; --type-pdf: #F6DEDB; --type-mesh: #E1EEE6;
  --badge: #C2410C; --on-badge: #FFFFFF;     /* count badges; white on it meets AA */
  --avatar: #2A3A55; --on-avatar: #FFFFFF;
  --toast-bg: #16191D; --toast-ink: #FFFFFF; --toast-err: #8B1D16; --toast-ok: #14532D;
  --shadow: 0 10px 30px rgba(22, 25, 29, .16);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, .3);
  --card-shadow: 0 6px 20px rgba(194, 65, 12, .1);
  --backdrop: rgba(17, 20, 23, .45);
  /* the viewer, the preview strip and the sign-in artwork are dark in every theme */
  --viewer-bg: #111417; --viewer-ink: #E8EBEE; --viewer-ink-2: #BAC1C7; --viewer-muted: #9DA5AC;
  --viewer-bar: #1B1F23; --viewer-line: #2A3036; --viewer-paper: #2A2F34;
  --viewer-btn: #262B30; --viewer-btn-line: #3A4249; --viewer-btn-hover: #30363C;
  --viewer-accent: #F2733A; --viewer-model: #9EA8B3;
  --viewer-hud: rgba(17, 20, 23, .85); --viewer-hud-line: #343B42;
  --viewer-glow: #2E353C; --viewer-deep: #121518;
  /* revision overlay: lines are drawn on white paper with multiply, so these stay the same in every theme */
  --overlay-paper: #FFFFFF; --overlay-old: #D32F2F; --overlay-new: #1F5FBF;
  --overlay-old-ink: #FF8A80; --overlay-new-ink: #82B1FF;
  --art-bg: #111417; --art-ink: #F3F4F1; --art-ink-2: #BAC1C7; --art-muted: #8C959D;
  --art-grid: rgba(255, 255, 255, .045);
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --display: Bahnschrift, "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --mono: "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace;
  --row: 40px;
  --fs: 14px;
  --radius: 6px;
}
/* theme: dark (chosen) */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121518;
  --panel: #1B1F23;
  --panel-2: #21262B;
  --ink: #E6E9EC;
  --ink-2: #C9CFD5;
  --muted: #9DA6AE;
  --line: #353C43;
  --line-2: #2A3036;
  --rail: #0C0E10;
  --rail-2: #22282E;
  --accent: #5AA2F0;
  --accent-hover: #7DB6F4;
  --accent-soft: #182B40;
  --accent-line: #2F5683;
  --on-accent: #0B1520;
  --on-ink: #121518;
  --sel: #1F3655;
  --sel-line: #4D74AB;
  --blue: #6FAAF2;
  --link-hover: #A3C8F7;
  --field: #15191C;
  --field-line: #3E464E;
  --input-line: #4A535C;
  --btn-bg: #262C32;
  --btn-line: #434B53;
  --btn-line-hover: #5B646D;
  --row-hover: #252B31;
  --thumb-bg: #262C32;
  --disabled-ink: #6B747C;
  --ok-bg: #173322; --ok: #86D7A2;
  --work-bg: #3B2512; --work: #F4B27C;
  --rev-bg: #1C2D4C; --rev: #A5C2F6;
  --obs-bg: #2C3238; --obs: #BAC2CA;
  --err-bg: #431B1B; --err: #F7A199;
  --warn-bg: #3A2F10; --warn: #EBC968;
  --err-line: #7A3B36;
  --info-bg: #172539; --info-line: #2E4B72;
  --ok-soft: #15281C; --ok-line: #2E5A3E;
  --dev-bg: #352B0E; --dev-ink: #EDCD72; --dev-line: #6E5A1C;
  --mention-bg: #182B40; --mention-ink: #A3C8F7;
  --unread: #5AA2F0;
  --chip-type-bg: #2C3339; --chip-type-ink: #CDD5DC;
  --type-part: #1E2B3C; --type-asm: #1C2938; --type-drw: #2A2439;
  --type-cad2d: #3A2D1C; --type-pdf: #3D2321; --type-mesh: #1C3226;
  --avatar: #3B5B8A;
  --toast-bg: #2E363E; --toast-ink: #F1F3F5; --toast-err: #7E2520; --toast-ok: #1C5A33;
  --shadow: 0 10px 30px rgba(0, 0, 0, .5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, .6);
  --card-shadow: 0 6px 20px rgba(0, 0, 0, .35);
  --backdrop: rgba(0, 0, 0, .6);
}
/* theme: dark (same as my computer) — keep identical to the block above */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="contrast"]) {
    color-scheme: dark;
    --bg: #121518;
    --panel: #1B1F23;
    --panel-2: #21262B;
    --ink: #E6E9EC;
    --ink-2: #C9CFD5;
    --muted: #9DA6AE;
    --line: #353C43;
    --line-2: #2A3036;
    --rail: #0C0E10;
    --rail-2: #22282E;
    --accent: #5AA2F0;
    --accent-hover: #7DB6F4;
    --accent-soft: #182B40;
    --accent-line: #2F5683;
    --on-accent: #0B1520;
    --on-ink: #121518;
    --sel: #1F3655;
    --sel-line: #4D74AB;
    --blue: #6FAAF2;
    --link-hover: #A3C8F7;
    --field: #15191C;
    --field-line: #3E464E;
    --input-line: #4A535C;
    --btn-bg: #262C32;
    --btn-line: #434B53;
    --btn-line-hover: #5B646D;
    --row-hover: #252B31;
    --thumb-bg: #262C32;
    --disabled-ink: #6B747C;
    --ok-bg: #173322; --ok: #86D7A2;
    --work-bg: #3B2512; --work: #F4B27C;
    --rev-bg: #1C2D4C; --rev: #A5C2F6;
    --obs-bg: #2C3238; --obs: #BAC2CA;
    --err-bg: #431B1B; --err: #F7A199;
    --warn-bg: #3A2F10; --warn: #EBC968;
    --err-line: #7A3B36;
    --info-bg: #172539; --info-line: #2E4B72;
    --ok-soft: #15281C; --ok-line: #2E5A3E;
    --dev-bg: #352B0E; --dev-ink: #EDCD72; --dev-line: #6E5A1C;
    --mention-bg: #182B40; --mention-ink: #A3C8F7;
    --unread: #5AA2F0;
    --chip-type-bg: #2C3339; --chip-type-ink: #CDD5DC;
    --type-part: #1E2B3C; --type-asm: #1C2938; --type-drw: #2A2439;
    --type-cad2d: #3A2D1C; --type-pdf: #3D2321; --type-mesh: #1C3226;
    --avatar: #3B5B8A;
    --toast-bg: #2E363E; --toast-ink: #F1F3F5; --toast-err: #7E2520; --toast-ok: #1C5A33;
    --shadow: 0 10px 30px rgba(0, 0, 0, .5);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, .6);
    --card-shadow: 0 6px 20px rgba(0, 0, 0, .35);
    --backdrop: rgba(0, 0, 0, .6);
  }
}
/* theme: high contrast (light, black text, strong lines) */
:root[data-theme="contrast"] {
  color-scheme: light;
  --bg: #FFFFFF;
  --panel: #FFFFFF;
  --panel-2: #F1F2F3;
  --ink: #000000;
  --ink-2: #111417;
  --muted: #33383D;
  --line: #6B7278;
  --line-2: #8E959B;
  --rail: #000000;
  --rail-2: #262B30;
  --rail-ink: #FFFFFF;
  --accent: #003D7A;
  --accent-hover: #002B57;
  --accent-soft: #DCE9F8;
  --accent-line: #003D7A;
  --sel: #C3D9F7;
  --sel-line: #003D7A;
  --blue: #003A99;
  --link-hover: #00235E;
  --field-line: #4A5056;
  --input-line: #33383D;
  --btn-line: #4A5056;
  --btn-line-hover: #000000;
  --row-hover: #E4EBF4;
  --disabled-ink: #6B7278;
  --ok-bg: #D3EEDC; --ok: #0B3D1F;
  --work-bg: #FDE2CB; --work: #5E2604;
  --rev-bg: #D3E1F8; --rev: #0F2563;
  --obs-bg: #DDE0E4; --obs: #23282F;
  --err-bg: #F9D7D4; --err: #6E1510;
  --warn-bg: #FFEDB8; --warn: #4A3600;
  --err-line: #8B1D16;
  --info-line: #4A6FA5; --ok-line: #2E6B45;
  --dev-ink: #3D2C00; --dev-line: #8A6D10;
  --mention-ink: #002B57;
  --unread: #003D7A;
  --chip-type-ink: #111417;
  --toast-bg: #000000;
}
:root[data-theme="contrast"] .chip { box-shadow: inset 0 0 0 1px currentColor; }
:root[data-theme="contrast"] :focus-visible { outline-width: 3px; }
/* accent colour (Account menu › Theme); blue is the default above. High contrast keeps its own.
   server/tests/test_workbench_ui.py checks every accent meets WCAG AA in light and dark. */
:root[data-accent="teal"]:not([data-theme="contrast"]) {
  --accent: #0F6E6E; --accent-hover: #0B5757; --accent-soft: #E3F3F2; --accent-line: #9FD3CF;
}
:root[data-accent="green"]:not([data-theme="contrast"]) {
  --accent: #1D6B34; --accent-hover: #165428; --accent-soft: #E6F4EA; --accent-line: #A7D7B4;
}
:root[data-accent="purple"]:not([data-theme="contrast"]) {
  --accent: #6B3FA0; --accent-hover: #55307F; --accent-soft: #F0EAF8; --accent-line: #C9B5E3;
}
:root[data-accent="orange"]:not([data-theme="contrast"]) {
  --accent: #B4460C; --accent-hover: #923809; --accent-soft: #FCEDE3; --accent-line: #EDB993;
}
:root[data-theme="dark"][data-accent="teal"] {
  --accent: #4FC1BA; --accent-hover: #73D0CA; --accent-soft: #12302F; --accent-line: #2A5E5B;
}
:root[data-theme="dark"][data-accent="green"] {
  --accent: #6CC788; --accent-hover: #8AD5A1; --accent-soft: #16301F; --accent-line: #2E5E3D;
}
:root[data-theme="dark"][data-accent="purple"] {
  --accent: #B49AE8; --accent-hover: #C6B2EE; --accent-soft: #2A2140; --accent-line: #4E3F78;
}
:root[data-theme="dark"][data-accent="orange"] {
  --accent: #F29A62; --accent-hover: #F5B184; --accent-soft: #3A2416; --accent-line: #6E4429;
}
@media (prefers-color-scheme: dark) {
  :root[data-accent="teal"]:not([data-theme="light"]):not([data-theme="contrast"]) {
    --accent: #4FC1BA; --accent-hover: #73D0CA; --accent-soft: #12302F; --accent-line: #2A5E5B;
  }
  :root[data-accent="green"]:not([data-theme="light"]):not([data-theme="contrast"]) {
    --accent: #6CC788; --accent-hover: #8AD5A1; --accent-soft: #16301F; --accent-line: #2E5E3D;
  }
  :root[data-accent="purple"]:not([data-theme="light"]):not([data-theme="contrast"]) {
    --accent: #B49AE8; --accent-hover: #C6B2EE; --accent-soft: #2A2140; --accent-line: #4E3F78;
  }
  :root[data-accent="orange"]:not([data-theme="light"]):not([data-theme="contrast"]) {
    --accent: #F29A62; --accent-hover: #F5B184; --accent-soft: #3A2416; --accent-line: #6E4429;
  }
}
/* text size (Account menu › Theme): the whole workbench and its dialogs grow together */
:root[data-text="90"] { --text-zoom: .9; }
:root[data-text="115"] { --text-zoom: 1.15; }
:root[data-text="130"] { --text-zoom: 1.3; }
.app, dialog { zoom: var(--text-zoom, 1); }
body.mode-expert { --row: 28px; --fs: 13px; }
body.mode-guided { --row: 42px; --fs: 14.5px; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; font-family: var(--font); font-size: var(--fs); color: var(--ink); background: var(--bg); }
a { color: var(--blue); }
a:hover { color: var(--link-hover); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
.mono { font-family: var(--mono); font-size: .92em; }
.muted { color: var(--muted); }
.small { font-size: .88em; }
.nowrap { white-space: nowrap; }
.ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.spacer { flex: 1; }
.row { display: flex; align-items: center; gap: 8px; }
.wrap { flex-wrap: wrap; }
.col { display: flex; flex-direction: column; gap: 8px; }
h1, h2, h3 { font-family: var(--display); margin: 0; font-weight: 600; letter-spacing: .005em; }
h1 { font-size: 24px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
h1.mono { font-size: 26px; }

/* ------------------------------------------------------------ layout */
.app { display: grid; grid-template-columns: 76px minmax(0, 1fr); height: calc(100vh / var(--text-zoom, 1)); }
.rail { background: var(--rail); color: var(--rail-ink); display: flex; flex-direction: column; align-items: stretch; padding: 10px 6px; gap: 2px; overflow-y: auto; }
.rail .logo { display: flex; justify-content: center; padding: 6px 0 14px; }
.rail a { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 9px 2px; border-radius: 6px; color: var(--rail-ink); text-decoration: none; font-size: 11px; text-align: center; line-height: 1.15; min-height: 54px; justify-content: center; }
.rail a:hover { background: var(--rail-2); color: var(--rail-ink-hover); }
.rail a.active { background: var(--rail-2); color: var(--rail-ink-hover); box-shadow: inset 3px 0 0 var(--mark); }
.rail a.active svg { color: var(--mark); }
.rail .badge { position: absolute; top: 4px; right: 10px; }
.rail a { position: relative; }
.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.topbar { height: 56px; flex: none; background: var(--panel); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 14px; padding: 0 16px; }
.topbar .title { font-family: var(--display); font-size: 17px; font-weight: 600; white-space: nowrap; }
.search { position: relative; flex: 1; max-width: 560px; }
.search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search input { width: 100%; height: 38px; border: 1px solid var(--field-line); border-radius: 6px; background: var(--panel-2); padding: 0 12px 0 36px; }
.search input:focus { background: var(--field); }
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--field-line); border-radius: 7px; padding: 2px; background: var(--panel-2); }
.seg button { border: 0; background: transparent; padding: 5px 12px; border-radius: 5px; cursor: pointer; font-weight: 600; font-size: 13px; color: var(--muted); min-height: 30px; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--on-ink); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--avatar); color: var(--on-avatar); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; border: 0; cursor: pointer; }
.page { flex: 1; min-height: 0; overflow: auto; }
.route-view { height: 100%; min-height: 0; }
.page-pad { padding: 22px 26px 40px; max-width: 1500px; }

/* ------------------------------------------------------------ controls */
.btn { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--btn-line); background: var(--btn-bg); border-radius: var(--radius); padding: 0 13px; min-height: 36px; cursor: pointer; font-weight: 600; font-size: 13.5px; white-space: nowrap; text-decoration: none; color: var(--ink); }
.btn:hover { background: var(--panel-2); border-color: var(--btn-line-hover); color: var(--ink); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn.dark { background: var(--ink); border-color: var(--ink); color: var(--on-ink); }
.btn.danger { color: var(--err); border-color: var(--err-line); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--line-2); }
.btn.sm { min-height: 28px; padding: 0 9px; font-size: 12.5px; }
.btn.icon { padding: 0; width: 34px; justify-content: center; }
.input, select.input, textarea.input { border: 1px solid var(--input-line); border-radius: var(--radius); padding: 7px 10px; background: var(--field); min-height: 36px; width: 100%; }
textarea.input { min-height: 80px; resize: vertical; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > label, .field > .lbl { font-weight: 600; font-size: 13px; }
.field .hint { font-size: 12.5px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px 18px; }
.check { display: flex; align-items: center; gap: 9px; min-height: 32px; cursor: pointer; }
.check input { width: 17px; height: 17px; accent-color: var(--accent); }

.chip { display: inline-flex; align-items: center; gap: 5px; border-radius: 4px; padding: 1px 7px; font-size: 12px; font-weight: 600; white-space: nowrap; line-height: 1.6; }
.st-in_work { background: var(--work-bg); color: var(--work); }
.st-in_review { background: var(--rev-bg); color: var(--rev); }
.st-released { background: var(--ok-bg); color: var(--ok); }
.st-obsolete { background: var(--obs-bg); color: var(--obs); text-decoration: line-through; }
.st-spares_only { background: var(--warn-bg); color: var(--warn); }
.st-superseded { background: var(--err-bg); color: var(--err); }
/* an old released revision: nobody should manufacture from it (specification 7.3) */
.superseded-band { background: var(--err); color: var(--err-bg); font-weight: 700; text-align: center; padding: 6px 12px; letter-spacing: .02em; }
.st-draft { background: var(--obs-bg); color: var(--obs); }
.st-submitted, .st-pending, .st-running { background: var(--rev-bg); color: var(--rev); }
.st-approved, .st-sent, .st-implemented, .st-standardized { background: var(--ok-bg); color: var(--ok); }
.st-rejected, .st-failed { background: var(--err-bg); color: var(--err); }
.st-open { background: var(--rev-bg); color: var(--rev); }
.st-resolved, .st-done { background: var(--ok-bg); color: var(--ok); }
.st-interrupted { background: var(--err-bg); color: var(--err); }
.st-cancelled, .st-dry_run, .st-skipped, .st-later, .st-waiting { background: var(--obs-bg); color: var(--obs); }
.chip.out { background: var(--warn-bg); color: var(--warn); }
.chip.type { background: var(--chip-type-bg); color: var(--chip-type-ink); font-family: var(--mono); font-size: 10.5px; letter-spacing: .02em; }
.badge { display: inline-flex; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--badge); color: var(--on-badge); font-size: 11px; font-weight: 700; align-items: center; justify-content: center; }
.badge.quiet { background: var(--avatar); color: var(--on-avatar); }
.chip.type.t-sldprt { background: var(--type-part); }
.chip.type.t-sldasm { background: var(--type-asm); }
.chip.type.t-slddrw { background: var(--type-drw); }
.chip.type.t-dwg, .chip.type.t-dxf { background: var(--type-cad2d); }
.chip.type.t-pdf { background: var(--type-pdf); }
.chip.type.t-stl { background: var(--type-mesh); }
.chip.std { background: var(--info-bg); color: var(--rev); }
.thumb-ph { display: inline-flex; align-items: center; justify-content: center; color: var(--muted); }
.theme-opts { display: flex; flex-direction: column; gap: 4px; }
.theme-opts .check { align-items: flex-start; padding: 6px 8px; border: 1px solid var(--line); border-radius: var(--radius); }
.theme-opts .check:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.theme-opts .check input { margin-top: 2px; }
.theme-opts .check small { display: block; color: var(--muted); font-size: 12.5px; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.panel-h { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line-2); }
.panel-b { padding: 14px 16px; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(420px, 100%), 1fr)); gap: 16px; }

table.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-weight: 600; font-size: 12.5px; color: var(--muted); background: var(--panel-2); border-bottom: 1px solid var(--line); padding: 8px 10px; position: sticky; top: 0; z-index: 1; white-space: nowrap; }
.tbl td { border-bottom: 1px solid var(--line-2); padding: 0 10px; height: var(--row); vertical-align: middle; }
.tbl tr.clickable { cursor: pointer; }
.tbl tr.clickable:hover td { background: var(--row-hover); }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); padding: 0 6px; flex-wrap: wrap; }
.tabs button { border: 0; background: transparent; padding: 10px 14px; cursor: pointer; font-weight: 600; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }

.banner { display: flex; gap: 12px; align-items: flex-start; background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: 7px; padding: 10px 14px; line-height: 1.45; }
.banner.info { background: var(--info-bg); border-color: var(--info-line); }
.banner.ok { background: var(--ok-soft); border-color: var(--ok-line); }
.banner.err { background: var(--err-bg); border-color: var(--err-line); color: var(--err); }
.banner.warn { background: var(--warn-bg); border-color: var(--warn); }
.banner svg { flex: none; margin-top: 2px; }

/* ------------------------------------------------------------ explorer */
.explorer { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.toolbar { display: flex; flex-wrap: wrap; align-items: stretch; gap: 6px; padding: 8px 12px; background: var(--panel); border-bottom: 1px solid var(--line); }
.tb-group { display: flex; gap: 4px; padding-right: 8px; border-right: 1px solid var(--line-2); align-items: stretch; }
.tb-group:last-child { border-right: 0; }
.tb-btn { display: inline-flex; align-items: center; gap: 7px; border: 1px solid transparent; background: transparent; border-radius: 6px; padding: 4px 9px; cursor: pointer; font-weight: 600; font-size: 13px; color: var(--ink); text-align: left; min-height: 34px; }
.tb-btn:hover:not(:disabled) { background: var(--line-2); }
.tb-btn:disabled { opacity: .38; cursor: not-allowed; }
.tb-btn.primary:not(:disabled) { background: var(--accent); color: var(--on-accent); }
.tb-btn .t { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.tb-btn .d { display: none; font-weight: 400; font-size: 12px; color: var(--muted); }
body.mode-guided .tb-btn { flex-direction: column; align-items: flex-start; gap: 1px; padding: 6px 11px; min-width: 116px; border-color: var(--line); }
body.mode-guided .tb-btn .t { display: flex; align-items: center; gap: 7px; }
body.mode-guided .tb-btn .d { display: block; }
body.mode-guided .tb-btn.primary:not(:disabled) .d { color: var(--on-accent); opacity: .88; }
body.mode-expert .tb-btn .kbd { display: inline; }
.kbd { display: none; font-family: var(--mono); font-size: 10.5px; color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: 0 3px; margin-left: 2px; font-weight: 400; }
.addr { display: flex; align-items: center; gap: 6px; padding: 6px 12px; background: var(--panel); border-bottom: 1px solid var(--line); }
.crumbs { flex: 1; display: flex; align-items: center; border: 1px solid var(--field-line); border-radius: 6px; min-height: 32px; padding: 0 6px; overflow: hidden; background: var(--field); }
.crumbs button { border: 0; background: transparent; padding: 3px 6px; border-radius: 4px; cursor: pointer; white-space: nowrap; }
.crumbs button:hover { background: var(--line-2); }
.crumbs .sep { color: var(--muted); }
.pathbox { flex: 1; min-width: 0; display: flex; align-items: center; }
.path-input { flex: 1; min-width: 120px; font-family: var(--mono, ui-monospace, monospace); }
.addr .filter { width: 240px; }
.ex-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 260px minmax(0, 1fr) 340px; }
.ex-body.no-preview { grid-template-columns: 260px minmax(0, 1fr); }
.ex-tree { border-right: 1px solid var(--line); background: var(--panel-2); overflow: auto; padding: 8px 4px; }
.tree-node { display: flex; align-items: center; gap: 4px; padding: 0 6px; border-radius: 4px; cursor: pointer; height: calc(var(--row) - 8px); min-height: 26px; white-space: nowrap; user-select: none; }
.tree-node:hover { background: var(--line-2); }
.tree-node.active { background: var(--sel); font-weight: 600; }
.tree-node.drop { outline: 2px dashed var(--blue); }
.tree-node .tw { width: 18px; height: 18px; border: 0; background: transparent; padding: 0; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; color: var(--muted); flex: none; }
.tree-node .cnt { margin-left: auto; color: var(--muted); font-size: 11.5px; }
.tree-sec { font-size: 11.5px; font-weight: 700; color: var(--muted); padding: 10px 8px 4px; letter-spacing: .04em; text-transform: uppercase; }
.ex-list { overflow: auto; position: relative; background: var(--panel); outline: none; }
.ex-list.dragover { box-shadow: inset 0 0 0 3px var(--blue); background: var(--accent-soft); }
.ex-list table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.ex-list th { position: sticky; top: 0; background: var(--panel-2); border-bottom: 1px solid var(--line); text-align: left; padding: 0 8px; height: 32px; font-weight: 600; font-size: 12.5px; color: var(--muted); cursor: pointer; white-space: nowrap; overflow: hidden; z-index: 1; user-select: none; }
.ex-list th:hover { color: var(--ink); }
.ex-list td { padding: 0 8px; height: var(--row); border-bottom: 1px solid var(--line-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; user-select: none; }
.ex-list tr.sel td { background: var(--sel); }
.ex-list tr.sel.focus td { box-shadow: inset 0 1px 0 var(--sel-line), inset 0 -1px 0 var(--sel-line); }
.ex-list tr:hover:not(.sel) td { background: var(--row-hover); }
.ex-list .name { display: flex; align-items: center; gap: 8px; overflow: hidden; }
.ex-list .name span.fn { overflow: hidden; text-overflow: ellipsis; }
.ex-list img.mini { width: 30px; height: 22px; object-fit: contain; background: var(--thumb-bg); border: 1px solid var(--line-2); border-radius: 3px; flex: none; }
body.mode-expert .ex-list img.mini { width: 22px; height: 16px; }
.ex-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; padding: 14px; }
.tile { border: 1px solid var(--line); border-radius: 7px; background: var(--panel); overflow: hidden; cursor: pointer; user-select: none; display: flex; flex-direction: column; }
.tile.sel { border-color: var(--blue); box-shadow: 0 0 0 2px var(--sel); }
.tile .tim { height: 118px; display: flex; align-items: center; justify-content: center; background: var(--panel-2); border-bottom: 1px solid var(--line-2); }
.tile .tim img { max-width: 92%; max-height: 108px; }
.tile .tb { padding: 8px 10px; display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; }
.ex-preview { border-left: 1px solid var(--line); background: var(--panel); overflow: auto; display: flex; flex-direction: column; }
.pv-img { height: 230px; display: flex; align-items: center; justify-content: center; background: var(--viewer-bar); cursor: zoom-in; position: relative; flex: none; }
.pv-img.light { background: var(--thumb-bg); border-bottom: 1px solid var(--line-2); }
.pv-img img { max-width: 94%; max-height: 214px; }
.pv-img .open { position: absolute; right: 8px; bottom: 8px; }
.pv-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
.props { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 6px 10px; font-size: 13px; }
.props dt { color: var(--muted); }
.props dd { margin: 0; overflow-wrap: anywhere; }
.statusbar { height: 28px; flex: none; display: flex; align-items: center; gap: 18px; padding: 0 12px; background: var(--panel-2); border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.ex-banner { padding: 8px 12px 0; background: var(--panel); }
body.mode-expert .ex-banner { display: none; }
.icon-file { flex: none; display: inline-flex; }

/* ------------------------------------------------------------ menus, dialogs, toasts */
.ctxmenu { position: fixed; z-index: 1000; background: var(--panel); color: var(--ink); border: 1px solid var(--field-line); border-radius: 7px; box-shadow: var(--shadow); padding: 5px; min-width: 230px; font-size: 13.5px; }
.ctxmenu button { display: flex; width: 100%; align-items: center; gap: 9px; border: 0; background: transparent; text-align: left; padding: 7px 10px; border-radius: 4px; cursor: pointer; }
.ctxmenu button:hover:not(:disabled) { background: var(--sel); }
.ctxmenu button:disabled { color: var(--disabled-ink); cursor: default; }
.ctxmenu .k { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.ctxmenu hr { border: 0; border-top: 1px solid var(--line-2); margin: 4px 2px; }
dialog.dlg { border: 0; border-radius: 10px; padding: 0; background: var(--panel); color: var(--ink); box-shadow: var(--shadow-lg); width: min(560px, 94vw); max-height: 90vh; }
dialog.dlg.wide { width: min(900px, 96vw); }
dialog.dlg::backdrop { background: var(--backdrop); }
.dlg-h { padding: 16px 20px 10px; display: flex; align-items: center; gap: 10px; }
.dlg-b { padding: 6px 20px 16px; display: flex; flex-direction: column; gap: 14px; overflow: auto; max-height: calc(90vh - 130px); }
.dlg-f { padding: 12px 20px; border-top: 1px solid var(--line-2); display: flex; justify-content: flex-end; gap: 8px; background: var(--panel-2); }
.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--toast-bg); color: var(--toast-ink); padding: 10px 14px; border-radius: 7px; box-shadow: var(--shadow); max-width: 440px; display: flex; gap: 10px; align-items: flex-start; line-height: 1.4; }
.toast.err { background: var(--toast-err); }
.toast.ok { background: var(--toast-ok); }
.dropzone { border: 2px dashed var(--input-line); border-radius: 8px; padding: 22px; text-align: center; color: var(--muted); }
.progress { height: 6px; background: var(--line-2); border-radius: 3px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); width: 0; transition: width .2s; }

/* ------------------------------------------------------------ viewer */
.viewer { position: fixed; inset: 0; z-index: 900; background: var(--viewer-bg); display: flex; flex-direction: column; color: var(--viewer-ink); }
.viewer .vh { height: 54px; display: flex; align-items: center; gap: 12px; padding: 0 14px; background: var(--viewer-bar); border-bottom: 1px solid var(--viewer-line); }
.viewer .vh .btn { background: var(--viewer-btn); border-color: var(--viewer-btn-line); color: var(--viewer-ink); }
.viewer .vh .btn:hover { background: var(--viewer-btn-hover); }
.viewer .vh .btn[aria-pressed="true"] { background: var(--viewer-accent); color: var(--viewer-bg); border-color: var(--viewer-accent); }
.viewer .vh select { background: var(--viewer-btn); color: var(--viewer-ink); border: 1px solid var(--viewer-btn-line); border-radius: 6px; min-height: 34px; padding: 0 8px; }
.viewer .stage { flex: 1; position: relative; overflow: hidden; }
.viewer .stage.paper { background: var(--viewer-paper); }
.viewer .stage.model { background: radial-gradient(circle at 50% 40%, var(--viewer-glow), var(--viewer-deep) 75%); }
.viewer .stage canvas { width: 100%; height: 100%; display: block; cursor: grab; }
.viewer .svgwrap { position: absolute; inset: 0; cursor: grab; }
.viewer .svgwrap svg { position: absolute; left: 0; top: 0; width: 100%; height: 100%; }
.viewer .svgwrap.measuring { cursor: crosshair; }
.viewer .hud { position: absolute; left: 14px; bottom: 14px; background: var(--viewer-hud); border: 1px solid var(--viewer-hud-line); border-radius: 6px; padding: 8px 12px; font-family: var(--mono); font-size: 12.5px; }
.viewer .legend { position: absolute; right: 14px; top: 14px; background: var(--viewer-hud); border: 1px solid var(--viewer-hud-line); border-radius: 6px; padding: 8px 12px; font-size: 12.5px; display: flex; flex-direction: column; gap: 4px; }
.viewer iframe { border: 0; width: 100%; height: 100%; background: var(--overlay-paper); }
.viewer .sub { color: var(--viewer-muted); }
.viewer .note { color: var(--viewer-ink-2); }
.viewer .chip.rev { background: var(--viewer-btn); color: var(--viewer-ink); }
.viewer .svgwrap.overlay { background: var(--overlay-paper); }
.viewer .measure-pt { fill: var(--viewer-accent); }
.viewer .sw-old { color: var(--overlay-old-ink); }
.viewer .sw-new { color: var(--overlay-new-ink); }
.overlay-old * { stroke: var(--overlay-old) !important; }
.overlay-old text, .overlay-old tspan { fill: var(--overlay-old) !important; stroke: none !important; }
.overlay-new * { stroke: var(--overlay-new) !important; }
.overlay-new text, .overlay-new tspan { fill: var(--overlay-new) !important; stroke: none !important; }
.overlay-new > rect:first-of-type, .overlay-old > rect:first-of-type { fill: none !important; stroke: none !important; }

/* ------------------------------------------------------------ pages */
.page-head { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head .sub { color: var(--muted); margin-top: 4px; }
.stepper { display: flex; align-items: center; gap: 0; flex-wrap: wrap; }
.stepper .s { display: flex; align-items: center; gap: 7px; padding: 5px 12px 5px 8px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.stepper .s .dot { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--btn-line); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; background: var(--panel); }
.stepper .s.done { color: var(--ok); }
.stepper .s.done .dot { background: var(--ok); border-color: var(--ok); color: var(--ok-bg); }
.stepper .s.cur { color: var(--ink); }
.stepper .s.cur .dot { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.stepper .line { width: 22px; height: 2px; background: var(--line); }
.action-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.action-card { display: flex; flex-direction: column; gap: 8px; padding: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 9px; text-decoration: none; color: var(--ink); min-height: 132px; }
.action-card:hover { border-color: var(--accent); box-shadow: var(--card-shadow); color: var(--ink); }
.action-card .ic { width: 38px; height: 38px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; }
.action-card strong { font-size: 16px; font-family: var(--display); }
.action-card span { color: var(--muted); font-size: 13.5px; line-height: 1.45; }
.list-row { display: flex; align-items: center; gap: 10px; padding: 9px 16px; border-bottom: 1px solid var(--line-2); text-decoration: none; color: var(--ink); }
.list-row:last-child { border-bottom: 0; }
.list-row:hover { background: var(--row-hover); color: var(--ink); }
.list-row img { width: 40px; height: 30px; object-fit: contain; border: 1px solid var(--line-2); border-radius: 3px; background: var(--thumb-bg); flex: none; }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; }
.kpi b { display: block; font-family: var(--display); font-size: 26px; font-weight: 600; }
.kpi span { color: var(--muted); font-size: 12.5px; }
.timeline { display: flex; flex-direction: column; }
.tl { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 10px; padding-bottom: 14px; position: relative; }
.tl:before { content: ""; position: absolute; left: 8px; top: 18px; bottom: 0; width: 2px; background: var(--line); }
.tl:last-child:before { display: none; }
.tl .dot { width: 18px; height: 18px; border-radius: 50%; background: var(--panel); border: 2px solid var(--btn-line-hover); margin-top: 1px; }
.tl .dot.released { border-color: var(--ok); background: var(--ok-bg); }
.tl .dot.in_review { border-color: var(--rev); background: var(--rev-bg); }
.tl .dot.in_work { border-color: var(--work); background: var(--work-bg); }
.bom-grid td.lvl { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.bom-grid .tw { border: 0; background: transparent; cursor: pointer; padding: 0; width: 18px; display: inline-flex; color: var(--muted); }
.bom-grid input.qty { width: 74px; text-align: right; min-height: 28px; padding: 3px 6px; border: 1px solid var(--input-line); border-radius: 4px; background: var(--field); }
.issue { display: flex; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line-2); font-size: 13px; line-height: 1.4; }
.issue:last-child { border-bottom: 0; }
.sev-error { color: var(--err); }
.sev-warning { color: var(--warn); }
.sev-info { color: var(--blue); }
.cp-layout { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 16px; align-items: start; }
.cp-card { display: flex; flex-direction: column; gap: 8px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); cursor: pointer; text-align: left; width: 100%; }
.cp-card.active { border-color: var(--blue); box-shadow: 0 0 0 2px var(--sel); }
.cp-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.cp-thumbs img { width: 100%; height: 56px; object-fit: contain; border: 1px solid var(--line-2); border-radius: 4px; background: var(--thumb-bg); }
.cp-members { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.cp-member { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--panel); display: flex; flex-direction: column; }
.cp-member.std { border-color: var(--ok); box-shadow: 0 0 0 2px var(--ok-bg); }
.cp-member .img { height: 170px; display: flex; align-items: center; justify-content: center; background: var(--thumb-bg); border-bottom: 1px solid var(--line-2); cursor: zoom-in; }
.cp-member .img img { max-width: 96%; max-height: 160px; }
.cp-member .b { padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.diff { background: var(--warn-bg); border-radius: 3px; padding: 0 3px; }
.login { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.login .art { background: var(--art-bg); background-image: linear-gradient(var(--art-grid) 1px, transparent 1px), linear-gradient(90deg, var(--art-grid) 1px, transparent 1px); background-size: 32px 32px; color: var(--art-ink); padding: 44px 52px; display: flex; flex-direction: column; justify-content: space-between; }
.login .art h1 { font-size: 46px; line-height: 1.05; max-width: 520px; }
.login .form { display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.login form { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 16px; }
.wordmark { font-family: var(--display); font-weight: 700; letter-spacing: .08em; font-size: 17px; color: var(--brand); }
.brand-mark { display: inline-flex; }
.brand-mark img { display: block; }
/* Light and dark marks follow the active theme; the media query covers the
   "Same as my computer" setting, where data-theme stays "system". */
.theme-logo-dark { display: none !important; }
:root[data-theme="dark"] .theme-logo-light,
:root[data-theme="contrast"] .theme-logo-light { display: none !important; }
:root[data-theme="dark"] .theme-logo-dark,
:root[data-theme="contrast"] .theme-logo-dark { display: block !important; }
@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] .theme-logo-light { display: none !important; }
  :root[data-theme="system"] .theme-logo-dark { display: block !important; }
}
.login-logo { height: 48px; width: auto; display: block; }
.login .art .lead { color: var(--art-ink-2); font-size: 17px; line-height: 1.6; max-width: 520px; }
.login .art .foot { color: var(--art-muted); font-size: 13px; }
.login .sso { display: flex; flex-direction: column; gap: 8px; }
.login .sso .btn { min-height: 44px; justify-content: center; font-size: 14.5px; white-space: normal; text-align: center; }
.login .or { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12.5px; }
.login .or::before, .login .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
@media (max-width: 1100px) {
  .ex-body { grid-template-columns: 220px minmax(0, 1fr); }
  .ex-preview { display: none; }
  .cp-layout { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
  .rail { flex-direction: row; overflow-x: auto; padding: 4px; }
  .rail .logo { display: none; }
  .rail a { min-width: 70px; }
  .ex-body { grid-template-columns: 1fr; }
  .ex-tree { display: none; }
  .login { grid-template-columns: 1fr; }
  .login .art { display: none; }
  .topbar .title { display: none; }
}

/* add-ins */
.st-enabled { background: var(--ok-bg); color: var(--ok); }
.st-awaiting_approval, .st-desktop { background: var(--rev-bg); color: var(--rev); }
.st-disabled { background: var(--obs-bg); color: var(--obs); }
.st-incompatible, .st-invalid { background: var(--err-bg); color: var(--err); }
.perm-list { margin: 8px 0 0; padding-left: 18px; line-height: 1.6; }

/* ------------------------------------------------------------ deviations, discussions, notifications */
.banner.dev { background: var(--dev-bg); border-color: var(--dev-line); color: var(--dev-ink); align-items: center; }
.banner.dev a { color: var(--dev-ink); }
.dev-banners { margin: -6px 0 16px; gap: 8px; }
.st-dev-active { background: var(--dev-bg); color: var(--dev-ink); box-shadow: inset 0 0 0 1px var(--dev-line); text-decoration: none; }
.st-dev-closed { background: var(--obs-bg); color: var(--obs); }
.pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.pick-list { max-height: 240px; overflow: auto; border: 1px solid var(--line); border-radius: 6px; margin-top: 6px; }
.pick-list .list-row { width: 100%; border: 0; background: transparent; cursor: pointer; text-align: left; }
.disc-slot { margin-top: 16px; }
.disc-list { gap: 12px; }
.disc-new { padding: 12px; border: 1px solid var(--accent-line); border-radius: 8px; background: var(--panel-2); }
.disc-t { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.disc-t.resolved { background: var(--panel-2); }
.disc-t.focus { box-shadow: 0 0 0 2px var(--sel-line); }
.disc-th { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--line-2); flex-wrap: wrap; }
.disc-t.resolved .disc-th { border-bottom: 0; }
.disc-cs { display: flex; flex-direction: column; }
.disc-c { padding: 8px 12px; border-bottom: 1px solid var(--line-2); }
.disc-c:last-child { border-bottom: 0; }
.disc-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; flex-wrap: wrap; }
.disc-body { white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 3px; line-height: 1.45; }
.disc-body.removed { color: var(--muted); font-style: italic; }
.disc-reply { padding: 8px 12px 12px; border-top: 1px solid var(--line-2); }
.mention { background: var(--mention-bg); color: var(--mention-ink); border-radius: 3px; padding: 0 2px; font-weight: 600; }
.mention-wrap { position: relative; }
.mention-wrap textarea.input { min-height: 64px; }
.mention-list { position: absolute; left: 8px; top: 100%; z-index: 50; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow); min-width: 240px; padding: 4px; display: flex; flex-direction: column; }
.mention-list button { display: flex; gap: 8px; align-items: baseline; border: 0; background: transparent; padding: 6px 8px; border-radius: 4px; cursor: pointer; text-align: left; }
.mention-list button.on, .mention-list button:hover { background: var(--sel); }
.bell { position: relative; }
.bell .bell-badge { position: absolute; top: -2px; right: -4px; }
.notif-panel { position: fixed; z-index: 1000; width: min(400px, 94vw); max-height: min(560px, 80vh); display: flex; flex-direction: column; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); }
.notif-h { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--line-2); }
.notif-list { overflow: auto; }
.notif { display: flex; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--line-2); text-decoration: none; color: var(--ink); }
.notif:hover { background: var(--panel-2); color: var(--ink); }
.notif .dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 6px; flex: none; }
.notif.unread .dot { background: var(--unread); }
.notif.unread .notif-t { font-weight: 600; }
/* filter chips (ERP reconciliation, delivery log) */
.filter-chips button.chip { border: 1px solid var(--line); background: var(--panel); color: var(--muted); cursor: pointer; padding: 3px 9px; }
.filter-chips button.chip[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent-line); color: var(--ink); }
.st-sending { background: var(--rev-bg); color: var(--rev); }

/* ------------------------------------------------------------ AI assistance (optional) */
:root {
  --ai-bg: #F4F1FB; --ai-line: #D3C8EE; --ai-ink: #46307A;
  --ai-spin: #8A74C9;
}
.ai-box { background: var(--ai-bg); border: 1px solid var(--ai-line); border-radius: 7px; padding: 10px 12px; color: var(--ai-ink); }
:root[data-theme="dark"] {
  --ai-bg: #241C33; --ai-line: #4B3E69; --ai-ink: #ECE5FF; --ai-spin: #B9A7E8;
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    --ai-bg: #241C33; --ai-line: #4B3E69; --ai-ink: #ECE5FF; --ai-spin: #B9A7E8;
  }
}
.ai-box .tbl th { background: transparent; }
.ai-box .tbl td { height: auto; padding: 7px 8px; vertical-align: top; }
.ai-box .tbl td:first-child { padding-top: 14px; }
.check-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.check-list .row { gap: 8px; }
.sev-ok { color: var(--ok); }
.ai-usage td.num { text-align: right; font-variant-numeric: tabular-nums; }
.ai-chip { background: var(--ai-bg); color: var(--ai-ink); box-shadow: inset 0 0 0 1px var(--ai-line); }
.ai-spin { width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--ai-line); border-top-color: var(--ai-spin); animation: ai-spin 0.9s linear infinite; flex: none; }
@keyframes ai-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .ai-spin { animation: none; } }
.ai-answer { margin: 0; line-height: 1.55; white-space: pre-wrap; }
.ai-cite { font-weight: 600; text-decoration: none; }
.ai-sources { margin: 4px 0 0; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 4px; }
.ai-pre { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font-family: var(--mono); font-size: 12px; max-height: 40vh; overflow: auto; margin: 4px 0 0; }
.ask-slot:empty { display: none; }
.live-bar { margin: 0 0 12px; align-items: center; }

/* workbench: Ctrl+K, favourites, pinned pages, Undo (specification 9.1) */
.chip .st-ic { display: inline-flex; margin-left: -2px; }
.toast-undo { margin-left: 6px; background: transparent; border: 1px solid currentColor; color: inherit; border-radius: 5px; padding: 2px 10px; font-weight: 700; cursor: pointer; white-space: nowrap; }
.fav-btn { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 4px; border-radius: 6px; display: inline-flex; }
.fav-btn:hover { background: var(--row-hover); color: var(--ink); }
.fav-btn[aria-pressed="true"] { color: var(--accent); }
.fav-btn[aria-pressed="true"] svg { fill: currentColor; }
dialog.palette { width: min(640px, 94vw); margin-top: 12vh; }
.palette-q { width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 16px 18px; font-size: 16px; background: var(--panel); color: var(--ink); outline: none; }
.palette-list { max-height: 56vh; overflow: auto; padding: 6px 0 10px; }
.palette-group { padding: 10px 18px 4px; font-size: 11.5px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.palette-item { display: flex; align-items: center; gap: 10px; padding: 8px 18px; cursor: pointer; color: var(--ink); }
.palette-item .sub { color: var(--muted); font-size: .9em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.palette-item[aria-selected="true"] { background: var(--sel); }
.palette-hint { padding: 8px 18px; border-top: 1px solid var(--line-2); color: var(--muted); font-size: 12px; background: var(--panel-2); }
.pin-strip { display: flex; gap: 6px; align-items: center; padding: 5px 12px; border-top: 1px solid var(--line); background: var(--panel-2); overflow-x: auto; min-height: 38px; }
.pin-strip[hidden] { display: none; }
.pin-tab { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--panel); border-radius: 6px; padding: 3px 4px 3px 10px; font-size: 12.5px; white-space: nowrap; color: var(--ink); text-decoration: none; }
.pin-tab.active { border-color: var(--accent); background: var(--accent-soft); }
.pin-tab button { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 2px; border-radius: 4px; display: inline-flex; }
.pin-tab button:hover { color: var(--ink); background: var(--row-hover); }
.kbd { font-family: var(--mono); font-size: 11px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; color: var(--muted); }
@media (max-width: 760px) {
  dialog.palette { margin-top: 4vh; }
  .palette-item .sub { display: none; }
  .topbar .kbd { display: none; }
}

/* ------------------------------------------------------------ shop view (large, read-only, for tablets and big screens) */
.shop .shop-bar { gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.shop .shop-input { font-size: 22px; min-height: 52px; flex: 1 1 260px; max-width: 520px; }
.btn.lg { min-height: 52px; padding: 0 18px; font-size: 16px; }
.shop-head { display: flex; flex-direction: column; gap: 6px; }
.shop-pn { font-size: 34px; font-weight: 700; }
.shop-desc { font-size: 20px; }
.shop-rev { font-size: 20px; font-weight: 700; margin-right: 8px; }
.shop-drawing { display: block; width: 100%; height: auto; max-height: 80vh; object-fit: contain; background: var(--panel); }
.shop-camera { width: 100%; max-width: 480px; border-radius: 7px; background: var(--ink); }

/* ------------------------------------------------------------ first-login tour (never blocks the page) */
.tour { position: fixed; right: 18px; bottom: 18px; width: min(360px, calc(100vw - 36px)); z-index: 40; background: var(--panel);
  border: 1px solid var(--accent-line); border-radius: 10px; box-shadow: var(--shadow); padding: 14px 16px; }
.tour h2 { font-size: 16px; margin: 0 0 6px; }
.tour p { margin: 0 0 10px; line-height: 1.5; }
.tour .tour-step { font-size: 12px; color: var(--muted); }

/* previews of text, tables, archives, e-mails and Office files (viewer kind "summary"), and videos */
.summary-view { position: absolute; inset: 0; overflow: auto; padding: 20px 24px; background: var(--panel); color: var(--ink); }
.summary-lines { margin: 0; white-space: pre-wrap; word-break: break-word; font: 13px/1.5 var(--mono); }
.summary-table { overflow: auto; }
.summary-table td, .summary-table th { white-space: nowrap; }
.summary-slide { border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; background: var(--bg); }
.video-stage { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.video-stage video { max-width: 100%; max-height: 100%; }