/* Wizardz of Web Billing – design tokens extracted from wizardzofweb.netlify.app
   Fonts: Sora (display), Inter (body), JetBrains Mono (labels) – self-hosted for CSP + offline. */

@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/inter-latin-400-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/inter-latin-ext-400-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url(../fonts/inter-latin-500-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url(../fonts/inter-latin-ext-500-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+A720-A7FF; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url(../fonts/inter-latin-600-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url(../fonts/inter-latin-ext-600-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+A720-A7FF; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/inter-latin-700-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/inter-latin-ext-700-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+20A0-20AB, U+20AD-20C0, U+A720-A7FF; }
@font-face { font-family: "Sora"; font-style: normal; font-weight: 600; font-display: swap; src: url(../fonts/sora-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Sora"; font-style: normal; font-weight: 700; font-display: swap; src: url(../fonts/sora-latin-700-normal.woff2) format("woff2"); }
@font-face { font-family: "Sora"; font-style: normal; font-weight: 800; font-display: swap; src: url(../fonts/sora-latin-800-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url(../fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2"); }

:root {
  /* palette (wizardzofweb.netlify.app :root) */
  --ink-950: #0b0d10;
  --ink-900: #0f1115;
  --charcoal: #14171c;
  --surface-800: #1c2026;
  --surface-700: #262c34;
  --fog-white: #f5f6f7;
  --white: #ffffff;
  --silver: #aeb7c1;
  --silver-light: #d8dde3;
  --text-muted: #7c858f;
  --text-muted-2: #98a1ab;
  --cobalt: #2f5fe0;
  --cobalt-dark: #1e44b0;
  --cobalt-light: #6c8df0;
  --cobalt-tint: #e8edfc;
  --success: #2fae6b;
  --warning: #e0a83a;
  --error: #e75a5a;
  --info: #5c8af0;
  --border-dark: rgba(245, 246, 247, .1);
  --border-dark-strong: rgba(245, 246, 247, .16);
  --border-light: #e3e6ea;
  --invoice-navy: #0a0f1d; /* sampled from invoice-template.png */

  --color-primary: var(--cobalt);
  --color-primary-dark: var(--cobalt-dark);
  --color-primary-light: var(--cobalt-light);

  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;

  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 16px; --radius-full: 999px;
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --gutter: clamp(18px, 5vw, 90px);
  --shell: 1180px;
  --nav-h: 76px;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ink-950); color: var(--fog-white);
  font: 400 16px/1.6 var(--font-body); min-height: 100vh; display: flex; flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--cobalt-light); text-underline-offset: 3px; }
a:hover { color: var(--white); }
:focus-visible { outline: 2px solid var(--cobalt-light); outline-offset: 2px; border-radius: var(--radius-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--cobalt); color: #fff; padding: 8px 14px; border-radius: var(--radius-md); z-index: 100; }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }

/* type */
.display { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.05em; line-height: 1.02; font-size: clamp(34px, 5vw, 56px); margin: 0 0 var(--space-3); }
.h2 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; letter-spacing: -0.045em; font-size: clamp(22px, 2.6vw, 30px); line-height: 1.1; margin: 0 0 var(--space-4); }
.h3 { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; margin: 0 0 var(--space-4); }
.h4 { font-family: var(--font-display); font-weight: 700; font-size: 15px; margin: 0 0 var(--space-2); }
.eyebrow { font: 500 12px/1.4 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: rgba(124, 133, 143, .75); margin: 0 0 var(--space-3); }
.muted { color: var(--text-muted-2); }
.small { font-size: 13px; }
.mono { font-family: var(--font-mono); font-weight: 500; font-variant-numeric: tabular-nums; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.error { color: var(--error); }
.req { color: var(--cobalt-light); }

/* layout */
.shell { width: 100%; max-width: calc(var(--shell) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.main { flex: 1; padding-top: var(--space-6); padding-bottom: var(--space-8); }
.stack > * + * { margin-top: var(--space-4); }
.row { display: flex; gap: var(--space-3); align-items: center; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-2.tight { gap: var(--space-3); }
.align-start { align-items: start; }
.section { margin-top: var(--space-7); }

/* topbar */
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(11, 13, 16, .85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-dark); }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--nav-h); gap: var(--space-4); }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--fog-white); text-decoration: none; font: 500 15px/1 var(--font-display); letter-spacing: .02em; }
.logo strong { font-weight: 800; }
.logo__mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: var(--radius-md); background: var(--cobalt); color: #fff; font-weight: 800; }
.nav { display: flex; align-items: center; gap: var(--space-5); }
.nav a { color: var(--fog-white); text-decoration: none; font: 500 14px/1 var(--font-body); padding: 8px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--white); }
.nav a[aria-current="page"] { border-bottom-color: var(--cobalt); }
.nav__logout { margin: 0; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border-dark-strong); color: var(--fog-white); border-radius: var(--radius-md); padding: 6px 12px; font-size: 18px; cursor: pointer; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  font: 600 14px/1 var(--font-body); padding: 12px 18px; border-radius: var(--radius-md); border: 1px solid transparent;
  text-decoration: none; transition: background .2s var(--ease-out), border-color .2s, color .2s, transform .2s var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--cobalt); border-color: var(--cobalt); color: #fff; }
.btn--primary:hover { background: var(--cobalt-dark); border-color: var(--cobalt-dark); color: #fff; }
.btn--ghost { background: transparent; border-color: var(--border-dark-strong); color: var(--fog-white); }
.btn--ghost:hover { border-color: var(--cobalt-light); color: var(--white); }
.btn--link { background: none; border: 0; color: var(--cobalt-light); padding: 6px 0; font-weight: 500; }
.btn--sm { padding: 8px 14px; font-size: 13px; }
.btn--block { width: 100%; }
.btn--icon { background: none; border: 1px solid var(--border-dark); color: var(--text-muted-2); width: 34px; height: 34px; padding: 0; font-size: 18px; }
.btn--icon:hover { color: var(--error); border-color: var(--error); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.inline-form { display: inline; margin: 0; }

/* cards & surfaces */
.card { background: var(--charcoal); border: 1px solid var(--border-dark); border-radius: var(--radius-lg); }
.pad { padding: var(--space-5); }
@media (min-width: 900px) { .pad { padding: var(--space-6); } }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-5); margin-bottom: var(--space-6); flex-wrap: wrap; }
.page-head p.muted { max-width: 60ch; margin: 0; }
.page-head__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* forms */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
label, legend { font: 500 13px/1.3 var(--font-body); color: var(--silver-light); }
input, select, textarea {
  width: 100%; font: 400 15px/1.4 var(--font-body); color: var(--fog-white); background: var(--ink-900);
  border: 1px solid var(--border-dark-strong); border-radius: var(--radius-md); padding: 11px 12px; min-height: 44px;
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--cobalt); box-shadow: 0 0 0 3px rgba(47, 95, 224, .25); }
input[aria-invalid="true"], textarea[aria-invalid="true"], .field--error input { border-color: var(--error); }
input[type="checkbox"], input[type="radio"] { width: 18px; height: 18px; min-height: 0; padding: 0; accent-color: var(--cobalt); flex: none; margin: 2px 0 0; }
input[type="date"] { color-scheme: dark; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--silver) 50%), linear-gradient(135deg, var(--silver) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.hint { color: var(--text-muted); font-size: 12px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--fog-white); cursor: pointer; padding: 4px 0; }
.radios { display: grid; gap: 4px; }
.form-actions { display: flex; justify-content: flex-end; gap: var(--space-3); }
.otp-input { font: 500 26px/1 var(--font-mono); letter-spacing: .35em; text-align: center; }

/* alerts */
.alert { border-radius: var(--radius-md); padding: 12px 16px; margin-bottom: var(--space-5); border: 1px solid; font-size: 14px; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.alert--success { background: rgba(47, 174, 107, .1); border-color: rgba(47, 174, 107, .4); color: #b9f0d2; }
.alert--error { background: rgba(231, 90, 90, .1); border-color: rgba(231, 90, 90, .45); color: #ffd0d0; }
.alert--warn { background: rgba(224, 168, 58, .1); border-color: rgba(224, 168, 58, .45); color: #f6dfb0; }
.offline-banner { background: var(--surface-700); border-radius: var(--radius-md); padding: 10px 14px; margin-bottom: var(--space-4); font-size: 13px; }

/* auth */
.auth { display: grid; place-items: center; min-height: calc(100vh - 260px); }
.auth__card { width: 100%; max-width: 440px; padding: var(--space-6); }
.auth__card .stack { margin-top: var(--space-5); }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); margin-bottom: var(--space-5); }
.stat { background: var(--charcoal); border: 1px solid var(--border-dark); border-radius: var(--radius-lg); padding: var(--space-5); display: flex; flex-direction: column; gap: 6px; }
.stat__label { font: 500 12px/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); }
.stat__value { font: 800 clamp(22px, 2.6vw, 30px)/1 var(--font-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.stat--warn .stat__value { color: var(--warning); }
.stat--ok .stat__value { color: var(--success); }

/* filters */
.filters { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: var(--space-4); align-items: end; padding: var(--space-4) var(--space-5); margin-bottom: var(--space-5); }

/* tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font: 500 12px/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); padding: 14px 16px; border-bottom: 1px solid var(--border-dark-strong); }
.table td { padding: 14px 16px; border-bottom: 1px solid var(--border-dark); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table th.num { text-align: right; }
.table .actions { text-align: right; white-space: nowrap; }
.table .actions .btn { margin-left: 4px; }
.doc-link { font-weight: 600; color: var(--fog-white); text-decoration: none; font-family: var(--font-mono); font-size: 13px; }
.doc-link:hover { color: var(--cobalt-light); }
.table--items input { min-height: 40px; padding: 8px 10px; }
.table--items .no { width: 44px; color: var(--text-muted); }
.table--items td:nth-child(3) { width: 140px; }
.table--items td:nth-child(4) { width: 100px; }
.table--items td:nth-child(5) { width: 130px; }
.table--items input[data-item-price], .table--items input[data-item-qty] { text-align: right; }

/* badges & tags */
.badge { display: inline-block; font: 500 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; padding: 5px 9px; border-radius: var(--radius-full); border: 1px solid var(--border-dark-strong); color: var(--silver-light); }
.badge--sent { color: var(--cobalt-light); border-color: rgba(108, 141, 240, .5); }
.badge--paid, .badge--accepted { color: var(--success); border-color: rgba(47, 174, 107, .5); }
.badge--overdue { color: var(--warning); border-color: rgba(224, 168, 58, .55); }
.badge--declined, .badge--void { color: var(--text-muted); }
.tag { display: inline-block; margin-left: 6px; font: 500 10px/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; padding: 4px 6px; border-radius: var(--radius-sm); background: var(--surface-700); color: var(--silver); vertical-align: middle; }
.tag--quote { background: rgba(108, 141, 240, .15); color: var(--cobalt-light); }

.pager { display: flex; justify-content: center; align-items: center; gap: var(--space-4); margin-top: var(--space-5); }
.empty { text-align: center; padding: var(--space-8) var(--space-5); }

/* calculator */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: var(--space-6); align-items: start; }
.calc__main > * + * { margin-top: var(--space-6); }
.calc__group > legend { margin-bottom: var(--space-4); }
.svc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
.svc { padding: var(--space-4) var(--space-5); transition: border-color .2s, background .2s; }
.svc.is-on { border-color: var(--cobalt); background: linear-gradient(180deg, rgba(47, 95, 224, .1), var(--charcoal) 70%); }
.svc__head { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: start; cursor: pointer; color: var(--fog-white); }
.svc__name { font: 700 16px/1.3 var(--font-display); letter-spacing: -0.01em; }
.svc__price { grid-column: 2; font-size: 13px; color: var(--silver); }
.svc__price small { color: var(--text-muted); font-family: var(--font-body); }
.svc__desc { margin: 6px 0 0 30px; }
.svc__body { margin: 10px 0 0 30px; display: none; }
.svc.is-on .svc__body { display: block; }
.no-js .svc__body { display: block; }
.qty { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.qty span { font-size: 13px; color: var(--silver-light); min-width: 70px; }
.qty input { max-width: 110px; }
.calc__summary { position: sticky; top: calc(var(--nav-h) + 16px); padding: var(--space-5); }
.calc__summary > * + * { margin-top: var(--space-4); }
.summary-lines { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; max-height: 260px; overflow: auto; }
.summary-lines li { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; }
.summary-lines li span:last-child { font-family: var(--font-mono); white-space: nowrap; }
.modifiers { border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); padding: var(--space-4) 0; }
.modifiers > * + * { margin-top: var(--space-3); }
.totals { margin: 0; display: grid; gap: 6px; }
.totals div { display: flex; justify-content: space-between; gap: 12px; }
.totals dt { color: var(--text-muted-2); font-size: 14px; }
.totals dd { margin: 0; }
.totals__grand { border-top: 1px solid var(--border-dark-strong); padding-top: 10px; margin-top: 4px; align-items: baseline; }
.totals__grand dt { color: var(--fog-white); font-weight: 600; }
.totals__grand dd { font: 800 30px/1 var(--font-display); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.invoice-foot { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 320px); gap: var(--space-6); margin-top: var(--space-5); align-items: end; }

/* document page – HTML preview mirrors the PDF template */
.doc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--space-6); align-items: start; }
.doc-preview { overflow: hidden; background: #fff; color: var(--invoice-navy); border: 0; }
.doc-preview__head { background: var(--invoice-navy); color: #fff; padding: 36px 40px 30px; position: relative; overflow: hidden;
  background-image: url("../img/cubes.svg"); background-repeat: no-repeat; background-position: right top; background-size: 360px auto; }
.doc-preview__title { font: 700 clamp(44px, 7vw, 72px)/1 var(--font-display); letter-spacing: -0.04em; margin-bottom: 18px; }
.doc-preview__meta { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 16px; margin-top: 22px; }
.doc-preview__meta span { display: block; }
.doc-preview__body { padding: 30px 40px; }
.table--plain th { color: var(--invoice-navy); font: 700 13px/1 var(--font-body); text-transform: none; letter-spacing: 0; border-bottom: 2px solid var(--invoice-navy); }
.table--plain td { border-bottom: 0; padding: 10px 16px; }
.totals--light { max-width: 320px; margin: 24px 0 0 auto; }
.totals--light dt { color: #4a5160; }
.totals--light .totals__grand { border-color: var(--border-light); }
.totals--light .totals__grand dt { color: var(--invoice-navy); }
.doc-preview__foot { background: var(--invoice-navy); color: #f5f6f7; padding: 22px 40px; display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 13px; align-items: baseline; }
.doc-preview__foot strong { font: 700 18px/1 var(--font-display); text-transform: uppercase; margin-right: auto; }

/* security page */
.option { border: 1px solid var(--border-dark); border-radius: var(--radius-md); padding: var(--space-4); }
.option.is-active { border-color: var(--cobalt); }
.qr { background: #fff; padding: 12px; border-radius: var(--radius-md); width: 220px; }
.secret { font-size: 18px; letter-spacing: .08em; word-break: break-all; margin: 0; }
.steps { margin: 0; padding-left: 20px; }
.activity { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.activity li { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--border-dark); padding-bottom: 8px; flex-wrap: wrap; }

/* footer */
.site-footer { border-top: 1px solid var(--border-dark); padding: 26px 0 30px; }
.site-footer__inner { display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; font-size: 13px; }
.site-footer .eyebrow { margin: 0; }

/* responsive */
@media (max-width: 1080px) {
  .calc, .doc-layout { grid-template-columns: 1fr; }
  .calc__summary { position: static; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: var(--nav-h); flex-direction: column; align-items: stretch; gap: 0; background: var(--ink-900); border-bottom: 1px solid var(--border-dark); padding: 8px var(--gutter) 16px; }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid var(--border-dark); }
  .nav a[aria-current="page"] { color: var(--cobalt-light); border-bottom-color: var(--border-dark); }
  .nav__logout { padding-top: 12px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters { grid-template-columns: 1fr 1fr; }
  .filters .field:first-child { grid-column: 1 / -1; }
  .svc-grid, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .invoice-foot { grid-template-columns: 1fr; }
  .doc-preview__meta { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4, .svc-grid { grid-template-columns: 1fr; }
  .page-head__actions { width: 100%; }
  .page-head__actions .btn { flex: 1; }
  /* tables collapse to cards */
  .table--docs thead { display: none; }
  .table--docs tr { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; padding: 14px 16px; border-bottom: 1px solid var(--border-dark); }
  .table--docs td { padding: 0; border: 0; text-align: left; }
  .table--docs td.actions { grid-column: 1 / -1; text-align: left; padding-top: 6px; }
  .table--docs td.actions .btn { margin: 0 6px 0 0; }
  .doc-preview__head, .doc-preview__body, .doc-preview__foot { padding-left: 20px; padding-right: 20px; }
  .auth__card { padding: var(--space-5); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
@media print {
  .topbar, .site-footer, .page-head__actions, aside { display: none !important; }
  body { background: #fff; color: #000; }
}

/* offline estimator */
.inline-pct { width: 64px; min-height: 30px; padding: 4px 8px; display: inline-block; margin: 0 4px; }
.inline-qty { width: 90px; min-height: 34px; padding: 4px 8px; margin-left: auto; }
[data-offline-services] .check { align-items: center; }
fieldset.card.pad > legend { float: left; width: 100%; padding: 0; margin-bottom: var(--space-4); }
fieldset.card.pad > legend + * { clear: both; }