/* AnywhereNC — design tokens from the AnywhereNC design system. */
:root {
  --ink-950: #06090d;
  --ink-900: #0a0e13;
  --ink-850: #0f141b;
  --ink-800: #141a22;
  --ink-750: #1a222c;
  --ink-700: #222c38;
  --ink-600: #2e3a48;
  --ink-500: #3e4c5c;
  --ink-400: #5c6b7d;
  --ink-300: #7e8da0;
  --ink-200: #a6b3c4;
  --ink-100: #d3dbe5;
  --ink-050: #eef2f7;
  --signal-050: #dffbf4;
  --signal-100: #a6f4e5;
  --signal-300: #4fe7cf;
  --signal-400: #2fe3c6;
  --signal-500: #17c8ac;
  --signal-600: #0f9e88;
  --signal-glow: rgba(47, 227, 198, 0.28);
  --hazard-300: #ffc65c;
  --hazard-400: #ffb020;
  --hazard-500: #e8971a;
  --ok-400: #35d07f;
  --ok-500: #1fa862;
  --warn-400: #ffb020;
  --warn-500: #e8971a;
  --danger-400: #ff5c5c;
  --danger-500: #e23c3c;
  --info-400: #52a8ff;
  --info-500: #2e87e8;
  --bg-base: var(--ink-950);
  --bg-app: var(--ink-900);
  --bg-raised: var(--ink-850);
  --surface-card: var(--ink-800);
  --surface-card-hover: var(--ink-750);
  --surface-inset: var(--ink-950);
  --border-subtle: var(--ink-700);
  --border-default: var(--ink-600);
  --border-strong: var(--ink-500);
  --border-focus: var(--signal-400);
  --text-primary: var(--ink-050);
  --text-body: var(--ink-100);
  --text-secondary: var(--ink-200);
  --text-tertiary: var(--ink-300);
  --text-disabled: var(--ink-400);
  --accent: var(--signal-400);
  --accent-hover: var(--signal-300);
  --accent-press: var(--signal-500);
  --attention: var(--hazard-400);
  --on-accent: var(--ink-950);
  --text-inverse: var(--ink-950);
  --link: var(--signal-400);
  --link-hover: var(--signal-300);
  --font-display: 'Chakra Petch', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  /* Type scale + tracking (from the AnywhereNC design system). */
  --fs-h1: 40px;
  --fs-h2: 30px;
  --fs-h3: 22px;
  --fs-h4: 18px;
  --fs-body-lg: 16px;
  --fs-body: 14px;
  --fs-sm: 13px;
  --fs-xs: 11px;
  --fs-label: 12px;
  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-normal: 1.5;
  --ls-tight: -0.02em;
  --ls-wide: 0.04em;
  --ls-label: 0.14em;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
  --glow-accent: 0 0 0 3px var(--signal-glow);
  --glow-accent-soft: 0 0 24px -6px var(--signal-400);
  --ease-standard: cubic-bezier(0.2, 0.6, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 120ms;
  --dur-normal: 200ms;
  --dur-slow: 320ms;
  --grid-line: rgba(120, 141, 160, 0.06);
  --container-max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

a {
  color: var(--link);
}

a:hover {
  color: var(--link-hover);
}

:focus-visible {
  outline: 2px solid var(--signal-400);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.grid-bg {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal-400);
}

.h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--text-primary);
  margin: 0;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0;
}

.lede {
  font-family: var(--font-mono);
  line-height: 1.6;
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 48px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-standard);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--signal-400);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--signal-300);
  box-shadow: var(--glow-accent-soft);
  color: var(--on-accent);
}

.btn-amber {
  background: var(--hazard-400);
  color: var(--ink-950);
}

.btn-amber:hover {
  background: var(--hazard-300);
  color: var(--ink-950);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-default);
}

.btn-ghost:hover {
  border-color: var(--signal-400);
  color: var(--signal-300);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--signal-400);
  color: var(--signal-300);
  background: var(--signal-glow);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  width: max-content;
}

.chip-amber {
  border-color: var(--hazard-400);
  color: var(--hazard-300);
  background: rgba(255, 176, 32, 0.12);
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 32px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(10, 14, 19, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-cluster {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-cluster.right {
  gap: 14px;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
}

.wordmark span {
  color: var(--signal-400);
}

.wordmark:hover {
  color: var(--text-primary);
}

.navlink {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-tertiary);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.navlink:hover {
  color: var(--text-primary);
}

.navlink.is-disabled {
  cursor: default;
  opacity: 0.65;
}

.navlink.is-disabled:hover {
  color: var(--text-tertiary);
}

.btn-nav {
  height: 38px;
  font-size: 13px;
  padding: 0 16px;
}

/* ---------- split hero ---------- */
.hero {
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
}

.hero-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-buyer {
  padding: 88px 64px 96px 48px;
  border-right: 1px solid var(--border-default);
}

.hero-maker {
  padding: 88px 48px 96px 64px;
  align-items: flex-end;
  text-align: right;
  background: var(--bg-raised);
}

.hero-side .h1 {
  font-size: clamp(34px, 4vw, 46px);
  margin-top: 18px;
  max-width: 12ch;
}

.hero-buyer .h1 em,
.hero-maker .h1 em {
  font-style: normal;
}

.hero-buyer .h1 em {
  color: var(--signal-400);
}

.hero-maker .h1 em {
  color: var(--hazard-400);
}

.hero-side .lede {
  font-size: 15px;
  max-width: 34ch;
  margin: 18px 0 0;
}

.hero-side .btn {
  margin-top: 28px;
  width: max-content;
}

.hero-medallion {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 196px;
  height: 196px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 1px solid var(--signal-400);
  box-shadow: var(--glow-accent-soft), 0 0 0 10px var(--bg-app);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-seam-tag {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal-400);
  background: var(--bg-app);
  padding: 5px 14px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

/* ---------- trust strip ---------- */
.trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
  padding: 26px 48px;
  border-bottom: 1px solid var(--border-subtle);
}

.stat {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.stat b {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--signal-300);
  min-width: 2ch;
}

.stat span {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ---------- how it works ---------- */
.how {
  padding: 72px 48px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.how-head {
  text-align: center;
  margin-bottom: 44px;
}

.how-head .h2 {
  font-size: 32px;
  margin: 12px 0 0;
}

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.steps-line {
  position: absolute;
  top: 26px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, var(--signal-500), var(--hazard-500));
  opacity: 0.6;
}

.step {
  position: relative;
  text-align: center;
}

.step-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 1px solid var(--signal-400);
  background: var(--bg-app);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--signal-400);
}

.step.amber .step-icon {
  border-color: var(--hazard-400);
  color: var(--hazard-400);
}

.step-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.step p {
  font-size: 12.5px;
  margin: 0 auto;
  max-width: 26ch;
}

/* ---------- faq ---------- */
.faq-section {
  border-top: 1px solid var(--border-subtle);
  padding: 64px 48px;
}

.faq-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.faq-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}

.faq-head .h2 {
  font-size: 30px;
  margin: 12px 0 0;
}

.faq-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 44px;
}

details.faq {
  border-bottom: 1px solid var(--border-subtle);
}

details.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary);
}

details.faq summary::-webkit-details-marker {
  display: none;
}

details.faq summary .pm {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--signal-400);
  transition: transform var(--dur-normal);
}

details.faq[open] summary .pm {
  transform: rotate(45deg);
}

details.faq p {
  margin: 0 4px 22px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-tertiary);
  max-width: 70ch;
}

/* ---------- footer ---------- */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 24px 48px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-base);
}

.footer .wordmark {
  font-size: 15px;
}

.footer-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .nav {
    padding: 0 20px;
  }

  .nav-cluster {
    gap: 18px;
  }

  .nav-cluster .navlink.optional {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-buyer {
    padding: 64px 24px 56px;
    border-right: none;
    border-bottom: 1px solid var(--border-default);
  }

  .hero-maker {
    padding: 64px 24px 88px;
    align-items: flex-start;
    text-align: left;
  }

  .hero-medallion {
    display: none;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 36px 20px;
  }

  .steps-line {
    display: none;
  }

  .faq-cols {
    grid-template-columns: 1fr;
  }

  .how,
  .faq-section {
    padding-left: 24px;
    padding-right: 24px;
  }

  .trust {
    gap: 24px 36px;
    padding: 26px 24px;
  }
}

@media (max-width: 560px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0s !important;
    animation-duration: 0s !important;
  }
}

/* ---------- app pages ---------- */
:root {
  --danger-300: #ff8d80;
  --danger-400: #ff6b5e;
}

.app-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 40px 32px 80px;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin: 0 0 28px;
}

.page-head .h1 {
  font-size: 32px;
}

.page-sub {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-tertiary);
  max-width: 62ch;
}

.panel {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.panel + .panel,
.panel + .section-gap,
.section-gap {
  margin-top: 24px;
}

.panel-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary);
  margin: 0 0 18px;
}

/* forms */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.input,
.select,
.textarea {
  background: var(--surface-inset);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13.5px;
  padding: 0 12px;
  height: 42px;
  width: 100%;
}

.textarea {
  height: auto;
  min-height: 96px;
  padding: 10px 12px;
  resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--border-focus);
  outline: none;
  box-shadow: var(--glow-accent);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--text-disabled);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0 16px;
}

.checkgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}

.check {
  display: flex;
  gap: 9px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-secondary);
  padding: 9px 11px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--surface-inset);
  transition: border-color var(--dur-fast) var(--ease-standard);
}

.check input {
  accent-color: var(--signal-400);
  margin: 0;
}

.check:has(input:checked) {
  border-color: var(--signal-400);
  color: var(--text-primary);
}

.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.seg .check {
  justify-content: center;
  padding: 12px;
}

.form-error {
  color: var(--danger-300);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  margin: 4px 0 0;
  min-height: 1em;
}

.notice {
  border: 1px solid var(--signal-600);
  background: rgba(47, 227, 198, 0.06);
  color: var(--signal-100);
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.55;
}

.notice a {
  color: var(--signal-300);
}

.notice.warn {
  border-color: var(--hazard-500);
  background: rgba(255, 176, 32, 0.07);
  color: var(--hazard-300);
}

/* tables */
.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
}

.table th {
  text-align: left;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
}

.table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-body);
  vertical-align: top;
}

.table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.table a {
  text-decoration: none;
}

/* badges + tags */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  white-space: nowrap;
}

.badge-teal {
  color: var(--signal-300);
  border-color: var(--signal-600);
  background: rgba(47, 227, 198, 0.07);
}

.badge-amber {
  color: var(--hazard-300);
  border-color: var(--hazard-500);
  background: rgba(255, 176, 32, 0.08);
}

.badge-muted {
  color: var(--text-tertiary);
}

.badge-danger {
  color: var(--danger-300);
  border-color: var(--danger-400);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  background: var(--ink-750);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  white-space: nowrap;
}

.spec {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.rating {
  color: var(--hazard-400);
  font-weight: 600;
}

/* cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.shop-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  text-decoration: none;
  color: var(--text-body);
  transition: transform var(--dur-normal) var(--ease-standard), border-color var(--dur-normal) var(--ease-standard);
}

.shop-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: var(--surface-card-hover);
  color: var(--text-body);
}

.shop-card-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
}

.filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 24px;
}

.filters .field {
  margin-bottom: 0;
  min-width: 170px;
}

.empty {
  padding: 44px 20px;
  text-align: center;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-md);
}

.btn-sm {
  height: 34px;
  font-size: 12.5px;
  padding: 0 13px;
}

.btn-danger {
  background: transparent;
  color: var(--danger-300);
  border-color: var(--border-default);
}

.btn-danger:hover {
  border-color: var(--danger-400);
  color: var(--danger-300);
}

/* auth pages */
.auth-wrap {
  min-height: calc(100vh - 61px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.auth-card .h2 {
  font-size: 26px;
  margin: 0 0 6px;
}

.auth-alt {
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--text-tertiary);
}

/* quote items editor */
.items-grid {
  display: grid;
  grid-template-columns: 150px 1fr 130px 90px 36px;
  gap: 8px;
  align-items: center;
}

.items-grid .items-head {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  font-weight: 600;
}

.icon-btn {
  height: 34px;
  width: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 15px;
}

.icon-btn:hover {
  border-color: var(--danger-400);
  color: var(--danger-300);
}

.total-line {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  align-items: baseline;
  margin-top: 16px;
  font-family: var(--font-mono);
}

.total-line b {
  font-size: 20px;
  color: var(--signal-300);
}

@media (max-width: 720px) {
  .app-main {
    padding: 28px 18px 64px;
  }

  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
  }

  .items-grid {
    grid-template-columns: 110px 1fr 100px 70px 36px;
  }

  .items-grid .items-head {
    display: none;
  }
}

/* ---------- part previews ---------- */
.file-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-inset);
  margin-top: 14px;
  overflow: hidden;
}

.file-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-raised);
}

.file-name {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.viewer-canvas {
  display: block;
  width: 100%;
  height: 360px;
  touch-action: none;
  cursor: grab;
}

.viewer-canvas:active {
  cursor: grabbing;
}

.viewer-hint {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-disabled);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0 10px 10px;
}

.pdf-frame {
  display: block;
  width: 100%;
  height: 480px;
  border: 0;
  background: #fff;
}

.doc-image {
  display: block;
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  background: var(--surface-inset);
}

/* Compact variant for the message document center. */
.file-card-compact { margin-top: 10px; }
.file-card-compact .viewer-canvas { height: 220px; }
.file-card-compact .pdf-frame { height: 300px; }
.file-card-compact .doc-image { max-height: 300px; }

/* ---------- buyer↔shop messenger ---------- */

.convo-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 18px;
}

.convo-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 560px;
  overflow-y: auto;
}

.convo-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-inset);
  cursor: pointer;
  color: inherit;
}

.convo-item.active {
  border-color: var(--accent);
  background: var(--bg-raised);
}

.convo-name {
  font-family: var(--font-display);
  font-size: 13.5px;
  color: var(--text-primary);
}

.convo-preview {
  font-size: 11.5px;
  color: var(--text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thread-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 18px;
}

.thread-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 10px;
}

.thread-chat {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-inset);
  padding: 14px;
  min-height: 420px;
}

.msg-scroll {
  flex: 1;
  overflow-y: auto;
  max-height: 420px;
  padding-right: 4px;
}

.msg-bubble {
  max-width: 82%;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
}

.msg-mine {
  margin-left: auto;
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-inset));
  border-color: color-mix(in srgb, var(--accent) 32%, transparent);
}

.msg-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--text-disabled);
  margin-bottom: 3px;
}

.msg-body {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.msg-attach {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  background: transparent;
  border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 8px;
  padding: 5px 9px;
  cursor: pointer;
}

.msg-composer {
  margin-top: 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

.composer-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.msg-input {
  flex: 1;
  resize: none;
  min-height: 38px;
  max-height: 120px;
}

.composer-file {
  margin-bottom: 8px;
  font-size: 12px;
}

.thread-docs {
  display: flex;
  flex-direction: column;
}

.doc-center {
  overflow-y: auto;
  max-height: 520px;
}

.doc-center-empty {
  padding: 8px 2px;
}

.linklike {
  background: none;
  border: 0;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0 2px;
}

@media (max-width: 820px) {
  .convo-layout,
  .thread-layout {
    grid-template-columns: 1fr;
  }
}

.file-fallback {
  padding: 22px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-tertiary);
}

.thumb {
  width: 56px;
  height: 56px;
  flex: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    var(--surface-inset);
  background-size: 14px 14px, 14px 14px, auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--ink-500);
}

.thumb canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.part-cell {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ---------- dashboard tabs ---------- */
.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.tab {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 11px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  cursor: pointer;
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  color: var(--text-primary);
  background: var(--surface-card);
  border-color: var(--border-subtle);
}

.tab .badge {
  margin-left: 8px;
}

/* ---------- unit toggle ---------- */
.unit-toggle {
  display: flex;
  gap: 6px;
  align-items: center;
}

.unit-toggle .btn.active {
  border-color: var(--signal-400);
  color: var(--signal-300);
  background: rgba(47, 227, 198, 0.07);
}

/* ---------- typeahead tag combobox ---------- */
.combo {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  min-height: 42px;
  padding: 6px 9px;
  background: var(--surface-inset);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  cursor: text;
}

.combo:focus-within {
  border-color: var(--border-focus);
  box-shadow: var(--glow-accent);
}

.combo-input {
  flex: 1;
  min-width: 150px;
  height: 26px;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
}

.combo-input:focus {
  outline: none;
  box-shadow: none;
}

.combo-input::placeholder {
  color: var(--text-disabled);
}

.combo-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 4px 3px 10px;
  background: var(--ink-750);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-body);
  white-space: nowrap;
}

.combo-tag button {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  padding: 2px 5px;
  cursor: pointer;
  border-radius: var(--radius-xs);
}

.combo-tag button:hover {
  color: var(--danger-300);
}

.combo-menu {
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  right: 0;
  z-index: 20;
  max-height: 242px;
  overflow-y: auto;
  background: var(--bg-raised);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.combo-option {
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-secondary);
  cursor: pointer;
}

.combo-option:hover,
.combo-option.active {
  background: var(--surface-card-hover);
  color: var(--text-primary);
}

.combo-option mark {
  background: transparent;
  color: var(--signal-300);
  font-weight: 600;
}

.combo-empty {
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-disabled);
}

/* ---------- per-process envelope editor ---------- */
.env-row {
  display: grid;
  grid-template-columns: minmax(140px, 200px) repeat(3, minmax(70px, 110px)) auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.env-name {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-secondary);
}

@media (max-width: 720px) {
  .env-row {
    grid-template-columns: 1fr 1fr 1fr auto;
  }

  .env-name {
    grid-column: 1 / -1;
  }
}

/* ============ 1A workspace: messaging + files + viewers ============ */

.ws-body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.ws-app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-app);
}

.ws-loading,
.ws-error {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  color: var(--text-tertiary);
  background: var(--bg-base);
}

/* ---- context header ---- */
.ws-header {
  height: 58px;
  flex: none;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(10, 14, 19, 0.7);
  backdrop-filter: blur(8px);
}

.ws-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--text-primary);
  white-space: nowrap;
}
.ws-brand span { color: var(--signal-400); }

.ws-vrule {
  width: 1px;
  height: 22px;
  background: var(--border-subtle);
  flex: none;
}

.ws-partmeta { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.ws-partmeta b {
  font-size: var(--fs-sm);
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ws-partmeta span {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  letter-spacing: var(--ls-wide);
  white-space: nowrap;
}

.ws-badge {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  white-space: nowrap;
}

.ws-timeline {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  white-space: nowrap;
}

.ws-avatars { display: flex; align-items: center; }
.ws-avatar {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border-default);
}
.ws-avatar.you { background: var(--ink-750); color: var(--text-secondary); }
.ws-avatar.them {
  background: rgba(47, 227, 198, 0.12);
  border-color: rgba(47, 227, 198, 0.4);
  color: var(--signal-400);
  margin-left: -8px;
}
.ws-close {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: var(--text-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 5px 9px;
}
.ws-close:hover { color: var(--accent); border-color: var(--border-default); }

/* Header back button — bright red, deliberately prominent. (Hardcoded so the
   design system's softer coral --danger tokens don't mute it.) */
.ws-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: #fff;
  background: #ff2020;
  border: 1px solid #ff2020;
  border-radius: var(--radius-sm);
  padding: 5px 11px;
  text-decoration: none;
}
.ws-back:hover {
  color: #fff;
  background: #e00d0d;
  border-color: #e00d0d;
}

/* ---- body split ---- */
.ws-main { flex: 1; display: flex; min-height: 0; }

/* file rail */
.ws-rail {
  width: 88px;
  flex: none;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
  padding: 12px 8px;
  gap: 8px;
  overflow-y: auto;
}
.ws-rail-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: 2px;
}
.ws-file {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 9px 4px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: inherit;
}
.ws-file:hover { background: var(--surface-card-hover); border-color: var(--border-default); }
.ws-file.active { border-color: var(--signal-400); box-shadow: inset 0 0 0 1px var(--signal-400); }
.ws-file-badge {
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  border-radius: var(--radius-xs);
  padding: 4px 0;
  width: 100%;
  text-align: center;
  letter-spacing: 0.04em;
}
.ws-file-name {
  font-size: 8.5px;
  color: var(--text-tertiary);
  text-align: center;
  line-height: 1.2;
  word-break: break-all;
}
.ws-add {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px 0;
  background: transparent;
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  cursor: pointer;
}
.ws-add:hover { color: var(--accent); border-color: var(--accent); }

/* messenger */
.ws-msg {
  width: 400px;
  flex: none;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-app);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.ws-msg-head {
  flex: none;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ws-msg-avatar {
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: var(--radius-sm);
  background: rgba(47, 227, 198, 0.1);
  border: 1px solid rgba(47, 227, 198, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--signal-400);
  font-weight: 700;
}
.ws-msg-head b { font-size: var(--fs-sm); color: var(--text-primary); font-weight: 600; }
.ws-msg-head .sub {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 5px;
}
.ws-ws-link {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  color: var(--signal-400);
  border: 1px solid rgba(47, 227, 198, 0.4);
  border-radius: var(--radius-sm);
  padding: 4px 7px;
}

.ws-msg-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ws-bubble { max-width: 84%; display: flex; flex-direction: column; gap: 4px; align-self: flex-start; }
.ws-bubble.mine { align-self: flex-end; align-items: flex-end; }
.ws-bubble-meta { font-size: 9px; color: var(--text-tertiary); letter-spacing: var(--ls-wide); }
.ws-bubble-body {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.ws-bubble.mine .ws-bubble-body {
  background: rgba(47, 227, 198, 0.12);
  border-color: rgba(47, 227, 198, 0.35);
  color: var(--text-primary);
}
.ws-filecard {
  display: flex;
  align-items: center;
  gap: 11px;
  background: rgba(47, 227, 198, 0.07);
  border: 1px solid rgba(47, 227, 198, 0.3);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  cursor: pointer;
}
.ws-filecard:hover { border-color: rgba(47, 227, 198, 0.6); }
.ws-filecard-badge {
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: var(--radius-sm);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}
.ws-filecard-meta { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ws-filecard-meta b { font-size: 12px; color: var(--text-primary); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ws-filecard-meta span { font-size: 10px; color: var(--text-tertiary); }
.ws-filecard .view {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--signal-400);
  border: 1px solid rgba(47, 227, 198, 0.4);
  border-radius: var(--radius-sm);
  padding: 4px 7px;
  flex: none;
}
.ws-sysline {
  align-self: center;
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  max-width: 92%;
}

.ws-composer {
  flex: none;
  padding: 12px 14px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--bg-app);
}
.ws-icon-btn {
  width: 38px;
  height: 38px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
}
.ws-icon-btn:hover { color: var(--accent); border-color: var(--border-default); background: var(--surface-card-hover); }
.ws-composer input[type='text'] {
  flex: 1;
  height: 38px;
  background: var(--surface-inset);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 0 12px;
  outline: none;
}
.ws-send {
  width: 38px;
  height: 38px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--signal-400);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--ink-950);
  cursor: pointer;
}
.ws-send:hover { background: var(--accent-hover); box-shadow: var(--glow-accent-soft); }
.ws-send:disabled { opacity: 0.5; cursor: default; box-shadow: none; }

/* viewers (stacked) */
.ws-viewers { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.ws-3d {
  flex: 1.15;
  position: relative;
  min-height: 0;
  background: var(--bg-base);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 27px 27px;
  border-bottom: 1px solid var(--border-default);
  overflow: hidden;
}
.ws-3d canvas { width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
.ws-3d canvas:active { cursor: grabbing; }
.ws-overlay {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  background: rgba(6, 9, 13, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 5px 9px;
  backdrop-filter: blur(6px);
}
.ws-viewer-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: var(--fs-xs);
  text-align: center;
  padding: 20px;
}

/* 3D pins — DOM markers projected over the canvas each frame */
.ws-pins { position: absolute; inset: 0; pointer-events: none; }
.ws-pin {
  position: absolute;
  top: 0;
  left: 0;
  /* translate3d is set inline per frame; -50%/-100% puts the tip on the point */
  margin: -34px 0 0 -13px;
  width: 26px;
  height: 26px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--on-accent);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 50% 50% 50% 2px;
  transform-origin: 0 100%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}
.ws-pin:hover { box-shadow: var(--glow-accent-soft), 0 2px 10px rgba(0, 0, 0, 0.45); }
.ws-pin.resolved {
  background: var(--surface-card);
  color: var(--text-tertiary);
  border-color: var(--border-strong);
  opacity: 0.75;
}
.ws-pin.focused { outline: 2px solid var(--signal-300); outline-offset: 2px; }

.ws-pin-bar { position: absolute; bottom: 12px; right: 14px; display: flex; align-items: center; gap: 10px; }
.ws-pin-count { font-size: 10px; color: var(--text-tertiary); letter-spacing: var(--ls-wide); }
.ws-pin-add {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(6, 9, 13, 0.7);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(6px);
  cursor: pointer;
}
.ws-pin-add:hover { color: var(--text-primary); border-color: var(--signal-400); }
.ws-pin-add.active { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }

.ws-pin-composer {
  position: absolute;
  top: 0;
  left: 0;
  margin: -8px 0 0 16px;
  z-index: 5;
  width: 232px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--surface-card);
  border: 1px solid var(--signal-500);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.ws-pin-composer textarea {
  width: 100%;
  resize: vertical;
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  background: var(--surface-inset);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
}
.ws-pin-composer textarea:focus { border-color: var(--border-focus); outline: none; }
.ws-pin-composer .form-error:empty { display: none; }
.ws-pin-composer-actions { display: flex; justify-content: flex-end; gap: 8px; }
.ws-pin-composer-actions button {
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}
.ws-pin-composer-actions button[type='submit'] {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
.ws-pin-composer-actions button:disabled { opacity: 0.5; cursor: default; }

/* pinned-note chat bubbles */
.ws-bubble.pinned .ws-bubble-body { border-left: 2px solid var(--signal-400); }
.ws-bubble.pinned.resolved .ws-bubble-body { border-left-color: var(--border-strong); opacity: 0.7; }
.ws-bubble.flash .ws-bubble-body { background: rgba(47, 227, 198, 0.14); }
.ws-note-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.ws-note-actions button {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-wide);
  color: var(--text-tertiary);
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.ws-note-actions button:hover { color: var(--signal-300); border-color: var(--signal-500); }
.ws-note-actions button:disabled { opacity: 0.5; cursor: default; }
.ws-doc { flex: 1; position: relative; min-height: 0; display: flex; flex-direction: column; background: var(--bg-app); }
.ws-doc-head {
  flex: none;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border-subtle);
}
.ws-doc-head b { font-size: var(--fs-sm); color: var(--text-primary); font-weight: 500; }
.ws-doc-head .muted { font-size: var(--fs-xs); color: var(--text-tertiary); }
.ws-doc-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--bg-base);
}
.ws-doc-body embed { width: 100%; height: 100%; border: 0; background: #fff; }
.ws-doc-body img { max-width: 100%; max-height: 100%; object-fit: contain; border: 1px solid var(--border-default); }

@media (max-width: 1100px) {
  .ws-body { overflow: auto; }
  .ws-app { height: auto; min-height: 100vh; }
  .ws-main { flex-direction: column; }
  .ws-msg { width: 100%; height: 520px; }
  .ws-rail { width: 100%; flex-direction: row; overflow-x: auto; }
  .ws-viewers { min-height: 720px; }
}

/* workspaces index rows */
.workspace-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-standard);
}
.workspace-row:hover {
  border-color: var(--accent);
}