/* ================================================================
   MAINDESK — DESIGN SYSTEM v1.0
   Import order: link fonts first, then this file.
   All assets are vendored locally — no CDN or Google Fonts call.

   <link rel="stylesheet" href="vendor/fonts.css" />
   <link rel="stylesheet" href="maindesk-ds.css" />
================================================================ */


/* ────────────────────────────────────────────────────────────────
   1. TOKENS
   All design decisions live here. Edit once, update everywhere.
──────────────────────────────────────────────────────────────── */
:root {

  /* ── Ink scale ──────────────────────────────────────────────
     All pass WCAG AA (4.5:1) on white. Use in order of visual
     hierarchy: ink → ink-mid → ink-soft.                       */
  --ink:        #0c1c2e;   /* primary text   — 17.3:1 on white */
  --ink-mid:    #254257;   /* secondary text —  9.1:1 on white */
  --ink-soft:   #3d5568;   /* muted/tertiary —  6.1:1 on white */

  /* ── Teal scale ─────────────────────────────────────────────
     teal-text: only teal safe for body-size text (5.9:1).
     teal-ui:   borders, icons, interactive dots.
     teal-vivid: decorative gradients only — never body text.
     teal-pale:  backgrounds, avatar fills, icon wrappers.      */
  --teal-text:  #006e78;   /* text-safe teal  —  5.9:1 on white */
  --teal-ui:    #008c97;   /* UI-safe teal                       */
  --teal-vivid: #00b4bc;   /* decorative only                    */
  --teal-pale:  #cef0f2;   /* surface tint                       */

  /* ── Semantic ───────────────────────────────────────────────*/
  --green-live: #22c55e;   /* "active / live" indicator          */

  /* Teal-vivid is OK as display-size text on dark surfaces only
     (passes AA on --ink). Alias it here so the intent is explicit
     wherever it's used — never apply at body sizes.              */
  --teal-on-dark: #00b4bc;

  /* Star-rating amber — used only on the testimonial card stars */
  --amber-star: #f59e0b;

  /* ── Surfaces ───────────────────────────────────────────────*/
  --white:      #ffffff;
  --bg-mist:    #f0fafb;   /* section background (features)      */
  --surface:    rgba(255,255,255,0.82);   /* frosted glass panel */
  --footer-bg:  #060e1a;   /* deeper than --ink for footer floor */

  /* Hover state for the primary dark button */
  --ink-hover:  #1b3550;

  /* ── Borders ────────────────────────────────────────────────
     Use --border for decorative UI lines (badges, dividers).
     Use --border-strong for interactive edges (buttons, focus).
     --border-soft is the very-pale teal used between rows.       */
  --border:        #8ecdd2;
  --border-strong: #3d8f96;
  --border-soft:   #edf6f7;

  /* ── Typography ─────────────────────────────────────────────*/
  --font-display: 'Sora',    sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* ── Spacing scale (base-8) ─────────────────────────────────*/
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 112px;

  /* ── Radius ─────────────────────────────────────────────────*/
  --radius-sm:  4px;
  --radius-md:  6px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-pill: 100px;

  /* ── Shadows ────────────────────────────────────────────────*/
  --shadow-sm:  0 1px 3px rgba(12,28,46,0.06), 0 2px 8px  rgba(12,28,46,0.04);
  --shadow-md:  0 2px 6px rgba(12,28,46,0.06), 0 8px 32px rgba(12,28,46,0.07);
  --shadow-lg:  0 4px 24px rgba(12,28,46,0.18);
  --shadow-xl:  0 8px 32px rgba(12,28,46,0.28);

  /* ── Z-index scale ──────────────────────────────────────────*/
  --z-base:    1;
  --z-card:    10;
  --z-nav:     100;
  --z-overlay: 200;
}


/* ────────────────────────────────────────────────────────────────
   2. RESET & BASE
──────────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--ink);
  line-height: 1.6;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }


/* ────────────────────────────────────────────────────────────────
   3. TYPOGRAPHY SCALE
   Use these classes on any element; they're intentionally not
   scoped to specific HTML tags so they port across frameworks.
──────────────────────────────────────────────────────────────── */

/* Hero-size display heading */
.text-hero {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: var(--ink);
}

/* Section heading */
.text-h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

/* Card / component heading */
.text-h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
}

/* Subheading / intro paragraph */
.text-sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  font-weight: 300;
  line-height: 1.65;
  color: var(--ink-soft);
  font-style: italic;
}

/* Standard body copy */
.text-body {
  font-family: var(--font-body);
  font-size: 0.9375rem;  /* 15px */
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* Small / caption */
.text-sm {
  font-family: var(--font-body);
  font-size: 0.8125rem;  /* 13px */
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ALL-CAPS eyebrow label */
.text-eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-text);
}

/* Teal accent within a heading: wrap word in <em class="accent"> */
.accent {
  font-style: normal;
  color: var(--teal-text);
  position: relative;
}

/* Animated draw-underline on .accent — add class .draw to trigger */
.accent.draw::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 3px;
  background: var(--teal-ui);
  border-radius: 2px;
  opacity: 0.4;
  transform: scaleX(0);
  transform-origin: left;
  animation: hd-draw 0.9s 0.6s cubic-bezier(0.22,1,0.36,1) forwards;
}


/* ────────────────────────────────────────────────────────────────
   4. LAYOUT HELPERS
──────────────────────────────────────────────────────────────── */

/* Full-width section container */
.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--space-7);  /* 48px */
}

.container--narrow {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--space-7);
}

/* Section backgrounds */
.bg-white { background: var(--white); }
.bg-mist  { background: var(--bg-mist); }


/* ────────────────────────────────────────────────────────────────
   5. COMPONENTS
──────────────────────────────────────────────────────────────── */


/* ── 5a. NAVIGATION ─────────────────────────────────────────── */

.hd-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--space-7);
}

.hd-nav__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.hd-nav__logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal-ui);
  display: inline-block;
  flex-shrink: 0;
}

.hd-nav__links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.hd-nav__links a {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.hd-nav__links a:hover { color: var(--ink); }

.hd-nav__cta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 20px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-sm);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.hd-nav__cta:hover {
  background: var(--ink);
  color: var(--white);
}

@media (max-width: 640px) {
  .hd-nav { padding: 18px var(--space-5); }
  .hd-nav__links, .hd-nav__cta { display: none; }
}


/* ── 5b. BADGE (pill) ───────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 16px 6px 10px;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* Pulsing dot inside badge: <span class="badge__dot"></span> */
.badge__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal-ui);
  flex-shrink: 0;
  animation: hd-pulse 2s ease-in-out infinite;
}


/* ── 5c. BUTTONS ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Focus visible ring using teal */
.btn:focus-visible {
  outline: 2px solid var(--teal-ui);
  outline-offset: 3px;
}

/* Primary — dark navy fill */
.btn--primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}
.btn--primary:hover {
  background: var(--ink-hover);
  box-shadow: var(--shadow-xl);
}

/* Ghost — frosted glass */
.btn--ghost {
  background: var(--surface);
  color: var(--ink);
  border: 1.5px solid var(--border-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.92);
  box-shadow: 0 4px 16px rgba(0,140,151,0.14);
}

/* Ghost variant for use on dark surfaces (CTA section, dark hero) */
.btn--ghost--on-dark {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.8);
  border: 1.5px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--ghost--on-dark:hover {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(0,180,188,0.18);
}

/* Teal fill — use sparingly */
.btn--teal {
  background: var(--teal-ui);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,140,151,0.28);
}
.btn--teal:hover {
  background: var(--teal-text);
  box-shadow: 0 8px 28px rgba(0,110,120,0.32);
}

/* Sizes */
.btn--sm { font-size: 0.8rem;  padding: 10px 20px; }
.btn--lg { font-size: 1rem;    padding: 18px 40px; }

@media (max-width: 640px) {
  .btn { width: 100%; text-align: center; }
}


/* ── 5d. SECTION HEADER ─────────────────────────────────────── */

/* Eyebrow with leading dash */
.section-eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-text);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-5);
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 28px; height: 1.5px;
  background: var(--teal-text);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: var(--space-4);
}

.section-sub {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 420px;
  margin-bottom: var(--space-8);
}


/* ── 5e. FEATURE CARD (sticky-stack) ────────────────────────── */

/*
  Sticky stack pattern — wrap cards in .stack-container then use JS:

    const STICKY_TOP = 96;
    const cards = document.querySelectorAll('.feat-card');
    window.addEventListener('scroll', () => {
      cards.forEach((card, i) => {
        const next = cards[i + 1];
        if (!next) return;
        card.classList.toggle('buried', next.getBoundingClientRect().top <= STICKY_TOP + 2);
      });
    }, { passive: true });
*/

.stack-container {
  display: flex;
  flex-direction: column;
  max-width: 760px;
  margin-inline: auto;
}

.feat-card {
  --card-pad-x: 52px;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-7) var(--card-pad-x);
  position: sticky;
  top: 96px;
  box-shadow: var(--shadow-md);
  transition:
    transform   0.5s cubic-bezier(0.22,1,0.36,1),
    box-shadow  0.5s cubic-bezier(0.22,1,0.36,1),
    filter      0.5s cubic-bezier(0.22,1,0.36,1);
  transform-origin: top center;
  will-change: transform, filter;
}

/* Scroll spacer: non-last cards need margin to create scroll distance.
   Last card has no margin — the .features-cta below provides the
   natural push-out so we don't end up with dead space before the CTA. */
.feat-card:not(:last-child) { margin-bottom: 44vh; }

/* Stacking z-index — set per card, or use nth-child pattern */
.feat-card:nth-child(1) { z-index: 1; }
.feat-card:nth-child(2) { z-index: 2; }
.feat-card:nth-child(3) { z-index: 3; }
.feat-card:nth-child(4) { z-index: 4; }
.feat-card:nth-child(5) { z-index: 5; }

/* Buried state — added by JS when a later card overlaps this one */
.feat-card.buried {
  transform: scale(0.96) translateY(-10px);
  filter: brightness(0.94);
  box-shadow: var(--shadow-sm);
}

/* Gradient top bar — inset matches the card's horizontal padding so it
   resizes correctly at the 900px breakpoint instead of overflowing. */
.feat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--card-pad-x);
  right: var(--card-pad-x);
  height: 2px;
  background: linear-gradient(90deg, var(--teal-ui), var(--teal-vivid));
  border-radius: 0 0 2px 2px;
}

/* Two-column inner layout: icon | content */
.card-body {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0 32px;
  align-items: start;
}

/* Icon wrapper */
.feat-icon {
  width: 48px; height: 48px;
  background: var(--teal-pale);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  flex-shrink: 0;
}

.feat-icon svg {
  width: 22px; height: 22px;
  stroke: var(--teal-text);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Channel label */
.feat-channel {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal-text);
  margin-bottom: var(--space-2);
}

/* Card heading */
.feat-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: var(--space-5);
}

/* Capability list */
.feat-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.feat-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Teal check marker */
.feat-list li::before {
  content: '';
  flex-shrink: 0;
  margin-top: 5px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background-color: var(--teal-pale);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpolyline points='2,6 5,9 10,3' fill='none' stroke='%23006e78' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 100%;
}

/* Inner content wrapper inside .card-body — keeps channel label,
   heading, and capability list grouped in the second grid column. */
.card-meta { grid-column: 2; }

/* Card footer (spans both columns) */
.feat-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-soft);
  grid-column: 1 / -1;
}

@media (max-width: 900px) {
  .feat-card { --card-pad-x: 28px; padding: 36px var(--card-pad-x); }
  .card-body { grid-template-columns: 1fr; gap: 20px 0; }
  .card-meta { grid-column: 1; }
  .feat-card:not(:last-child) { margin-bottom: 36vh; }
}


/* ── 5f. STATUS INDICATORS ──────────────────────────────────── */

/* Pulsing green "live" dot */
.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green-live);
  box-shadow: 0 0 0 2px rgba(34,197,94,0.2);
  flex-shrink: 0;
  animation: hd-pulse 2s ease-in-out infinite;
}

/* Teal nav/logo dot */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal-ui);
  display: inline-block;
}


/* ── 5g. TRUST STRIP (avatar cluster + label) ───────────────── */

.trust {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

.trust__avatars {
  display: flex;
}

.trust__avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--white);
  margin-left: -8px;
  background: var(--teal-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--teal-text);
}

.trust__avatars .trust__avatar:first-child { margin-left: 0; }


/* ── 5h. SCROLL INDICATOR ───────────────────────────────────── */

.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.scroll-hint__label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.scroll-hint__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--teal-ui), transparent);
  animation: hd-drip 1.8s ease-in-out infinite;
}


/* ────────────────────────────────────────────────────────────────
   6. VANTA HERO SHELL
   Requires three.js r134 + vanta.fog.min.js loaded before use.
   Copy the VANTA.FOG() config from maindesk-ds.html.
──────────────────────────────────────────────────────────────── */

.hd-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hd-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Subtle noise grain over the fog */
.hd-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hd-hero__content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 780px;
  padding: 0 var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}


/* ────────────────────────────────────────────────────────────────
   7. KEYFRAME ANIMATIONS
──────────────────────────────────────────────────────────────── */

/* Pulsing dot (badge, live-dot) */
@keyframes hd-pulse {
  0%, 100% { opacity: 1;   transform: scale(1);   }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

/* Draw-underline on hero accent word */
@keyframes hd-draw {
  to { transform: scaleX(1); }
}

/* Drip — scroll indicator line */
@keyframes hd-drip {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}


/* ────────────────────────────────────────────────────────────────
   8. ACCESSIBILITY
──────────────────────────────────────────────────────────────── */

/* Global focus ring */
:focus-visible {
  outline: 2px solid var(--teal-ui);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Kill all motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}


/* ────────────────────────────────────────────────────────────────
   9. PRODUCT UI CHROME
   Shared component set for the app's internal pages: /onboarding,
   /staff, /chat. Prefixed .md- so nothing collides with the
   landing-page classes above. Consumes the same tokens (§1) so
   any brand-level change stays a single-file edit.
──────────────────────────────────────────────────────────────── */

/* ── 9a. PAGE + CARD ────────────────────────────────────────── */
.md-page {
  min-height: 100vh;
  background: var(--bg-mist);
  color: var(--ink);
  font-family: var(--font-body);
}
.md-page__container {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-5);
}
.md-page__container--wide { max-width: 1200px; }
.md-page__header { margin-bottom: var(--space-5); }
.md-page__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--space-1);
}
.md-page__sub { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }

.md-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

/* ── 9b. FORM CONTROLS ──────────────────────────────────────── */
.md-field-label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink-mid);
  margin: var(--space-4) 0 var(--space-2);
}
.md-input, .md-select, .md-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  font: inherit;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.md-input:focus, .md-select:focus, .md-textarea:focus {
  outline: none;
  border-color: var(--teal-ui);
  box-shadow: 0 0 0 3px rgba(0,140,151,0.15);
}
.md-textarea { min-height: 120px; resize: vertical; font-family: inherit; }
.md-hint { color: var(--ink-soft); font-size: 0.8rem; margin-top: var(--space-1); }

.md-row { display: flex; gap: var(--space-4); }
.md-row > * { flex: 1; }
@media (max-width: 560px) { .md-row { flex-direction: column; } }

.md-chip-group { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-1); }
.md-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  cursor: pointer;
}
.md-chip input { accent-color: var(--teal-ui); }

.md-form-actions {
  display: flex; align-items: center; gap: var(--space-4);
  margin-top: var(--space-6);
}
.md-saved { color: var(--teal-text); font-weight: 600; font-size: 0.9rem; }

/* ── 9c. TOPBAR (staff console header) ──────────────────────── */
.md-topbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: var(--white);
  border-bottom: 1px solid var(--border-soft);
}
.md-topbar__title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin: 0; }
.md-topbar__sub { color: var(--ink-soft); font-size: 0.85rem; }
.md-topbar__spacer { flex: 1; }
.md-topbar__nav { display: flex; gap: var(--space-5); font-size: 0.9rem; }
.md-topbar__nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.md-topbar__nav a:hover { color: var(--ink); }
.md-topbar__nav a.is-active { color: var(--ink); border-bottom-color: var(--teal-ui); }

.md-sectionhead {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 var(--space-3);
  font-weight: 700;
}

/* ── 9d. STATUS BADGE (queue items) ─────────────────────────── */
.md-status {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}
.md-status--open       { background: #fff3d6; color: #8a5a04; }
.md-status--approved   { background: #d6f5e5; color: #0f6b3f; }
.md-status--redirected { background: #e7eaff; color: #3f47a6; }
.md-status--closed     { background: #eef1f4; color: var(--ink-soft); }

/* ── 9e. CHAT BUBBLES ───────────────────────────────────────── */
.md-chat {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  padding: var(--space-4) var(--space-1);
}
.md-bubble {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}
.md-bubble--agent {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-bottom-left-radius: var(--radius-sm);
  align-self: flex-start;
}
.md-bubble--user {
  background: var(--ink);
  color: var(--white);
  border-bottom-right-radius: var(--radius-sm);
  align-self: flex-end;
}
.md-typing {
  display: inline-flex; gap: 5px; padding: 14px;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-sm);
  align-self: flex-start;
}
.md-typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-soft); opacity: 0.5;
  animation: md-bounce 1.2s infinite;
}
.md-typing span:nth-child(2) { animation-delay: 0.15s; }
.md-typing span:nth-child(3) { animation-delay: 0.30s; }
@keyframes md-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-3px); opacity: 1; }
}

/* Chat input bar — single-line default, grows via JS to a max */
.md-chat-inputbar { display: flex; gap: var(--space-2); align-items: flex-end; }
.md-chat-input {
  flex: 1;
  resize: none;
  padding: 10px 14px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  font: inherit;
  color: var(--ink);
  background: var(--white);
  max-height: 140px;
  min-height: 44px;
  overflow-y: auto;
  line-height: 1.4;
}
.md-chat-input:focus {
  outline: none;
  border-color: var(--teal-ui);
  box-shadow: 0 0 0 3px rgba(0,140,151,0.15);
}
.md-chat-send {
  background: var(--ink);
  color: var(--white);
  border: 0;
  border-radius: var(--radius-lg);
  padding: 10px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  min-width: 80px;
  height: 44px;
}
.md-chat-send:hover:not(:disabled) { background: var(--ink-hover); }
.md-chat-send:disabled { background: var(--ink-soft); cursor: not-allowed; }

.md-chat-error {
  font-size: 0.9rem;
  color: #b32228;
  padding: 8px 14px;
  background: #fff4f4;
  border: 1px solid #f5c2c5;
  border-radius: var(--radius-md);
  align-self: flex-start;
  max-width: 78%;
}


/* ────────────────────────────────────────────────────────────────
   10. APP SHELL (shared operator chrome)
   Sidebar + content columns used across /staff, /onboarding, and
   /staff/analytics so the internal pages read as one app.
──────────────────────────────────────────────────────────────── */
.md-shell {
  display: flex;
  min-height: 100vh;
  background: var(--bg-mist);
}
.md-shell__sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--white);
  border-right: 1px solid var(--border-soft);
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.md-shell__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}
.md-shell__mark {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: radial-gradient(circle at 30% 30%, var(--teal-vivid), var(--teal-text));
  box-shadow: 0 4px 12px rgba(0,140,151,0.25);
  flex-shrink: 0;
}
.md-shell__nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.md-shell__nav-group-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  font-weight: 700;
  padding: 8px 12px 4px;
}
.md-shell__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  color: var(--ink-mid);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background 0.15s, color 0.15s;
}
.md-shell__link:hover { background: var(--border-soft); color: var(--ink); }
.md-shell__link.is-active {
  background: var(--teal-pale);
  color: var(--teal-text);
  font-weight: 600;
}
.md-shell__link-count {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
  min-width: 22px;
  text-align: center;
}
.md-shell__link.is-active .md-shell__link-count { background: var(--teal-text); }
.md-shell__foot {
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-4);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.8rem;
}
.md-shell__status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green-live);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.18);
}
.md-shell__content {
  flex: 1;
  min-width: 0;
  padding: var(--space-6) var(--space-6);
}
.md-shell__content-header { margin-bottom: var(--space-5); }
.md-shell__content-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--space-1);
}
.md-shell__content-sub { color: var(--ink-soft); margin: 0; }

@media (max-width: 780px) {
  .md-shell { flex-direction: column; }
  .md-shell__sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
    gap: var(--space-4);
    overflow-x: auto;
  }
  .md-shell__nav { flex-direction: row; gap: var(--space-1); flex-wrap: nowrap; }
  .md-shell__nav-group-label { display: none; }
  .md-shell__link { padding: 6px 10px; font-size: 0.85rem; }
  .md-shell__foot { border-top: 0; padding-top: 0; margin-left: auto; }
  .md-shell__content { padding: var(--space-4); }
}


/* ────────────────────────────────────────────────────────────────
   11. OVERVIEW TILES (default /staff landing)
──────────────────────────────────────────────────────────────── */
.md-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.md-tile {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.md-tile__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  font-weight: 700;
  margin: 0;
}
.md-tile__value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin: 0;
}
.md-tile__foot {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}
.md-tile__foot a { color: var(--teal-text); font-weight: 600; text-decoration: none; }
.md-tile__foot a:hover { text-decoration: underline; }

.md-panel {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-5);
}
.md-panel__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 var(--space-3);
  color: var(--ink);
}
.md-panel__link {
  display: inline-block;
  margin-top: var(--space-3);
  color: var(--teal-text);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
}
.md-panel__link:hover { text-decoration: underline; }


/* ────────────────────────────────────────────────────────────────
   12. ESCALATION CARDS (queue items + booking rows + empty state)
   Used on /staff overview preview AND /staff/inbox full queue. Kept
   in the DS so both surfaces get the same look — previously duplicated
   in template <style> blocks and the overview version silently missed
   them, leaving cards borderless with crammed rows.
──────────────────────────────────────────────────────────────── */
.md-esc-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}
.md-esc-card .row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.md-esc-card .who { font-weight: 600; color: var(--ink); }
.md-esc-card .chip {
  font-size: 0.72rem;
  color: var(--teal-text);
  border: 1px solid var(--border-soft);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.md-esc-card .session {
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}
.md-esc-card .when {
  color: var(--ink-soft);
  font-size: 0.75rem;
  margin-left: auto;
}
.md-esc-card .reason {
  margin: 8px 0 4px;
  color: var(--ink-mid);
  font-size: 0.92rem;
}
.md-esc-card .preview {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-style: italic;
  border-left: 3px solid var(--border-soft);
  padding-left: 10px;
  margin-top: 4px;
}
.md-esc-card .note-line {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-soft);
}
.md-esc-card .actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.md-esc-card .actions input {
  flex: 1;
  min-width: 160px;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--ink);
  padding: 8px 12px;
  font: inherit;
  font-size: 0.88rem;
}
.md-esc-card .actions input:focus {
  outline: none;
  border-color: var(--teal-ui);
  box-shadow: 0 0 0 3px rgba(0,140,151,0.15);
}
.md-esc-card .actions button {
  border: 0;
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--ink);
  color: var(--white);
  transition: filter 0.15s, transform 0.15s;
}
.md-esc-card .actions button.redirect { background: var(--teal-ui); }
.md-esc-card .actions button.close    { background: var(--ink-soft); }
.md-esc-card .actions button:hover    { filter: brightness(1.06); transform: translateY(-1px); }
.md-esc-card .actions button:active   { transform: translateY(0); }

.md-empty {
  color: var(--ink-soft);
  padding: 24px;
  text-align: center;
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-md);
  background: var(--white);
  font-size: 0.9rem;
}

.md-booking {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.88rem;
}
.md-booking:last-child { border-bottom: 0; }
.md-booking .when { color: var(--ink-soft); }
.md-booking-reason {
  flex-basis: 100%;
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-style: italic;
}