/* =====================================================
   ACTION Platform – Antigravity-inspired Design
   Dark, bold, spacious, Google-aesthetic
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&family=Google+Sans+Display:wght@400;500;700&family=Google+Sans+Mono:wght@400;500;700&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* Surfaces */
  --bg:             #ffffff;
  --bg-raised:      #f8f9fa;
  --surface:        #f1f3f4;
  --surface-hover:  #e8eaed;
  --surface-border: #dadce0;
  --surface-bright: #ffffff;

  /* Brand – Google Blue */
  --blue:           #1a73e8;
  --blue-strong:    #1a73e8;
  --blue-dim:       rgba(26, 115, 232, 0.08);

  /* Supporting */
  --green:          #1e8e3e;
  --green-dim:      rgba(30, 142, 62, 0.08);
  --yellow:         #f9ab00;
  --yellow-dim:     rgba(249, 171, 0, 0.08);
  --red:            #d93025;
  --red-dim:        rgba(217, 48, 37, 0.08);

  /* Text */
  --text-1:         #202124;
  --text-2:         #5f6368;
  --text-3:         #9aa0a6;

  /* Borders */
  --border:         rgba(0, 0, 0, 0.08);
  --border-hover:   rgba(0, 0, 0, 0.16);

  /* Radii */
  --r-pill: 100px;
  --r-xl:   24px;
  --r-lg:   20px;
  --r-md:   16px;
  --r-sm:   12px;
  --r-xs:   8px;

  /* Shadows */
  --shadow:     0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.05);
  --shadow-lg:  0 8px 28px rgba(0,0,0,.1);

  /* Motion */
  --ease:   cubic-bezier(.4, 0, .2, 1);
  --ease-o: cubic-bezier(0, 0, .2, 1);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Google Sans', 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  font-size: 16px;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; }
p { margin: 0; }

/* ─── Ambient background ─── */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(26, 115, 232, 0.04), transparent 60%),
    #ffffff;
}

/* ─── Container ─── */
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s var(--ease);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--border-hover);
}

.nav-wrap {
  display: flex;
  align-items: center;
  min-height: 64px;
  gap: 16px;
  padding: 0 24px;
  width: 100%;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  transition: opacity 0.2s;
}
.brand:hover { opacity: 0.75; }

.brand-text {
  font-family: 'Google Sans Display', 'Google Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Nav links */
.nav-links {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  margin-right: 8px;
}

.nav-links a {
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  transition: all 0.2s var(--ease);
}

.nav-links a:hover {
  color: var(--text-1);
  background: var(--surface);
}

.nav-links a.active {
  color: var(--blue);
  background: var(--blue-dim);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--r-pill);
  padding: 10px 24px;
  font-weight: 500;
  font-size: 0.875rem;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--blue-strong);
  color: #fff;
}

.btn-primary:hover {
  background: #5a9cf5;
  box-shadow: 0 1px 6px rgba(66, 133, 244, 0.3);
}

.btn-secondary {
  background: var(--surface);
  color: var(--blue);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
}

.btn-text {
  background: none;
  color: var(--blue);
  padding: 10px 12px;
}

.btn-text:hover {
  background: var(--blue-dim);
}

/* ═══════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════ */
.section {
  padding: 96px 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  font-weight: 500;
}

.section-heading {
  margin-bottom: 56px;
  max-width: 640px;
}

.section-heading.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-heading h2 {
  font-family: 'Google Sans Display', 'Google Sans', 'Inter', sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-1);
}

.section-heading p {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════ */
.hero {
  padding: 120px 0 64px;
  text-align: center;
}

.hero-inner {
  max-width: 960px;
  margin: 0 auto;
}

h1 {
  font-family: 'Google Sans Display', 'Google Sans', 'Inter', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-1);
}

h1 br {
  display: block;
}

h1 .highlight {
  color: var(--blue);
}

.hero .lead {
  margin: 24px auto 0;
  max-width: 580px;
  color: var(--text-2);
  font-size: 1.15rem;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-actions .btn {
  padding: 12px 28px;
  font-size: 0.9rem;
}

/* Tag pills */
.tag-row {
  margin-top: 48px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-1);
  transition: all 0.25s var(--ease);
}

.tag-pill:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-1px);
}

.tag-pill svg {
  flex-shrink: 0;
}

.tag-pill.accent-blue svg  { color: var(--blue); }
.tag-pill.accent-green svg { color: var(--green); }
.tag-pill.accent-red svg   { color: var(--red); }

/* Stat cards row */
.stats-row {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  text-align: left;
  transition: all 0.3s var(--ease);
}

.stat-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}

.stat-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.stat-icon.green  { background: var(--green-dim);  color: var(--green); }
.stat-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }
.stat-icon.red    { background: var(--red-dim);    color: var(--red); }

.stat-label {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin: 0;
}

.stat-value {
  margin: 6px 0 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-1);
}

/* ═══════════════════════════════════════════════════════
   CAPABILITIES (proof strip)
   ═══════════════════════════════════════════════════════ */
.capabilities {
  padding: 48px 0;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  transition: all 0.3s var(--ease);
  position: relative;
}

.cap-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.cap-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

.cap-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.cap-icon.green  { background: var(--green-dim);  color: var(--green); }
.cap-icon.red    { background: var(--red-dim);    color: var(--red); }
.cap-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }

.cap-card h2 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-1);
  letter-spacing: -0.01em;
}

.cap-card p {
  margin-top: 10px;
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════
   FEATURES (What We Do)
   ═══════════════════════════════════════════════════════ */
.features-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.feature-card {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 36px 28px;
  transition: all 0.3s var(--ease);
  position: relative;
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

.feature-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.feature-icon.green  { background: var(--green-dim);  color: var(--green); }
.feature-icon.red    { background: var(--red-dim);    color: var(--red); }
.feature-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-1);
  letter-spacing: -0.01em;
}

.feature-card p {
  margin-top: 10px;
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════
   TRUST (Why It Matters)
   ═══════════════════════════════════════════════════════ */
.trust-section {
  background: var(--bg-raised);
}

.trust-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.trust-card {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 36px 28px;
  transition: all 0.3s var(--ease);
}

.trust-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.trust-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

.trust-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.trust-icon.green  { background: var(--green-dim);  color: var(--green); }
.trust-icon.red    { background: var(--red-dim);    color: var(--red); }
.trust-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }

.trust-card h3 {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-1);
}

.trust-card p {
  margin-top: 10px;
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════
   WHY SECTION
   ═══════════════════════════════════════════════════════ */

.why-section {
  background: var(--bg);
}

.why-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.why-card {
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s var(--ease);
}

.why-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-2px);
}

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
}

.why-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.why-icon.green  { background: var(--green-dim);  color: var(--green); }
.why-icon.red    { background: var(--red-dim);    color: var(--red); }
.why-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }

.why-stat {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-1);
  margin-bottom: 4px;
}

.why-card h3 {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 12px;
}

.why-card > p:last-child {
  color: var(--text-2);
  font-size: 0.88rem;
  line-height: 1.65;
  opacity: 0.85;
}

/* ═══════════════════════════════════════════════════════
   VIDEO SECTION
   ═══════════════════════════════════════════════════════ */
.video-wrap {
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: clamp(28px, 4vw, 40px);
  background: var(--surface);
}

.video-heading {
  margin-bottom: 24px;
}

.video-heading h2 {
  font-family: 'Google Sans Display', 'Google Sans', 'Inter', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-1);
}

.video-placeholder {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  min-height: 380px;
  background: var(--bg-raised);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 32px;
  transition: all 0.3s var(--ease);
}

.video-placeholder:hover {
  border-color: var(--border-hover);
}

.video-play-btn {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--blue-strong);
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  transition: all 0.3s var(--ease);
}

.video-placeholder:hover .video-play-btn {
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(66, 133, 244, 0.35);
}

.video-play-btn svg {
  width: 24px;
  height: 24px;
  fill: #ffffff;
  margin-left: 3px;
}

.video-title {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-1);
}

.video-copy {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════════
   CTA BAND
   ═══════════════════════════════════════════════════════ */
.cta-band {
  padding-top: 16px;
}

.cta-inner {
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: var(--surface);
  padding: clamp(36px, 5vw, 56px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.05), transparent 65%);
  pointer-events: none;
}

.cta-inner h2 {
  font-family: 'Google Sans Display', 'Google Sans', 'Inter', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-1);
}

.cta-inner p {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 1rem;
}

.cta-inner .btn {
  margin-top: 28px;
}

/* ═══════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  color: var(--text-3);
  font-size: 0.85rem;
  text-align: center;
}

.footer-wrap a {
  color: var(--text-2);
  transition: color 0.2s var(--ease);
}
.footer-wrap a:hover {
  color: var(--text-1);
}

.footer-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

/* ═══════════════════════════════════════════════════════
   SCROLL ANIMATION
   ═══════════════════════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s var(--ease-o), transform 0.6s var(--ease-o);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger > .fade-up:nth-child(1) { transition-delay: 0s; }
.stagger > .fade-up:nth-child(2) { transition-delay: 0.07s; }
.stagger > .fade-up:nth-child(3) { transition-delay: 0.14s; }
.stagger > .fade-up:nth-child(4) { transition-delay: 0.21s; }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .stats-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .hero { padding: 80px 0 48px; }

  .cap-grid,
  .features-grid,
  .trust-grid,
  .why-grid,
  .stats-row {
    grid-template-columns: 1fr;
  }

  .nav-links { display: none; }

  .cta-inner {
    padding: 32px 24px;
  }
}

@media (max-width: 520px) {
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .tag-row { flex-direction: column; align-items: center; }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .footer-links { flex-direction: column; gap: 8px; }
}

/* ═══════════════════════════════════════════════════════
   APP PAGES – SHARED STYLES
   ═══════════════════════════════════════════════════════ */

/* Small button variant */
.btn-sm {
  padding: 6px 16px;
  font-size: 0.8rem;
}

/* ─── Workflow context banner ─── */
.wf-context-banner {
  background: var(--blue-dim);
  border-bottom: 1px solid rgba(26, 115, 232, 0.12);
  padding: 10px 0;
  position: sticky;
  top: 64px;
  z-index: 90;
}

.wf-context-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-2);
  flex-wrap: wrap;
}

.wf-context-inner svg {
  color: var(--blue);
  flex-shrink: 0;
}

.wf-context-inner strong {
  color: var(--text-1);
  font-weight: 600;
}

.wf-ctx-sep {
  color: var(--text-3);
  font-size: 0.7rem;
}

/* ─── Clickable stage links in modal ─── */
a.stage-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.stage-link:hover {
  background: var(--blue-dim);
  border-color: var(--blue);
}

a.stage-link:hover .stage-name {
  color: var(--blue);
}

/* Page hero (sub-pages) */
.page-hero {
  padding: 100px 0 48px;
  text-align: center;
}

/* When context banner is present, reduce page hero top padding */
.wf-context-banner + .page-hero,
.wf-context-banner ~ section .page-hero {
  padding-top: 48px;
}

.page-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.page-hero h1 {
  max-width: none;
  margin: 0 auto;
}

.page-hero .lead {
  max-width: 620px;
  margin: 16px auto 0;
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ─── Panels (cards with header) ─── */
.panel {
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: var(--surface-bright);
  padding: clamp(24px, 3vw, 36px);
  margin-bottom: 24px;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.panel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.panel-icon.blue   { background: var(--blue-dim);   color: var(--blue); }
.panel-icon.green  { background: var(--green-dim);  color: var(--green); }
.panel-icon.red    { background: var(--red-dim);    color: var(--red); }
.panel-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }

.panel-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: -0.01em;
}

.panel-subtitle {
  margin-top: 4px;
  font-size: 0.88rem;
  color: var(--text-2);
}

/* ─── Forms ─── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group .optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-3);
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: inherit;
  font-size: 0.92rem;
  padding: 10px 14px;
  border-radius: var(--r-xs);
  border: 1px solid var(--surface-border);
  background: var(--bg);
  color: var(--text-1);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-dim);
}

.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.form-group select {
  cursor: pointer;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 4px;
}

.form-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  padding-top: 8px;
}

.form-actions.full-width {
  grid-column: 1 / -1;
}

/* ─── Tab Bar ─── */
.tab-bar {
  display: inline-flex;
  background: var(--surface);
  border-radius: var(--r-pill);
  padding: 4px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.tab {
  padding: 8px 20px;
  border-radius: var(--r-pill);
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.tab.active {
  background: var(--blue);
  color: #fff;
}

.tab:not(.active):hover {
  color: var(--text-1);
  background: var(--surface-hover);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ─── Criteria rows (Screening) ─── */
.criteria-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.criteria-section-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-1);
}

.criteria-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.criterion-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.criterion-row select,
.criterion-row input {
  font-family: inherit;
  font-size: 0.85rem;
  padding: 8px 10px;
  border-radius: var(--r-xs);
  border: 1px solid var(--surface-border);
  background: var(--bg);
  color: var(--text-1);
  outline: none;
}

.criterion-row select:focus,
.criterion-row input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-dim);
}

.criterion-category { flex: 0 0 140px; }
.criterion-field    { flex: 1; min-width: 100px; }
.criterion-operator { flex: 0 0 64px; }
.criterion-value    { flex: 1; min-width: 100px; }

.btn-icon-sm {
  width: 32px;
  height: 32px;
  border-radius: var(--r-xs);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-3);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  flex-shrink: 0;
}

.btn-icon-sm:hover {
  background: var(--red-dim);
  color: var(--red);
  border-color: var(--red);
}

/* ─── Quick query pills ─── */
.quick-queries {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill-btn {
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.pill-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-dim);
}

/* ─── Result stats row ─── */
.result-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.result-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  text-align: center;
}

.result-stat-card .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
}

.result-stat-card .stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-top: 4px;
}

.result-stat-card.accent-blue   .stat-number { color: var(--blue); }
.result-stat-card.accent-green  .stat-number { color: var(--green); }
.result-stat-card.accent-red    .stat-number { color: var(--red); }
.result-stat-card.accent-yellow .stat-number { color: var(--yellow); }

/* ─── Site results grid ─── */
.site-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.site-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  padding: 24px;
  transition: all 0.3s var(--ease);
}

.site-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.site-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.site-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.site-badge.blue   { background: var(--blue); }
.site-badge.green  { background: var(--green); }
.site-badge.red    { background: var(--red); }
.site-badge.yellow { background: var(--yellow); }

.site-card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
}

.site-card-header p {
  font-size: 0.8rem;
  color: var(--text-3);
}

.site-metric-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.site-metric-row:last-child {
  border-bottom: none;
}

.site-metric-label {
  color: var(--text-2);
}

.site-metric-value {
  font-weight: 600;
  color: var(--text-1);
}

/* ─── AI Response Card ─── */
.ai-response-card {
  background: var(--blue-dim);
  border: 1px solid rgba(26, 115, 232, 0.15);
  border-radius: var(--r-lg);
  padding: 24px;
  margin-bottom: 24px;
  white-space: pre-wrap;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-1);
}

.ai-response-card:empty {
  display: none;
}

/* ─── Conversation (Cohort page) ─── */
.conversation {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-bubble {
  max-width: 85%;
  padding: 16px 20px;
  border-radius: var(--r-lg);
  font-size: 0.92rem;
  line-height: 1.7;
}

.chat-bubble.user {
  align-self: flex-end;
  background: var(--blue);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-bubble.ai {
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-1);
  border-bottom-left-radius: 4px;
  white-space: pre-wrap;
}

/* ─── Workflow card list ─── */
.workflow-card-list {
  display: grid;
  gap: 12px;
}

.wf-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.wf-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
  transform: translateY(-1px);
}

.wf-card-info {
  flex: 1;
  min-width: 0;
}

.wf-card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 2px;
}

.wf-card-trial {
  font-size: 0.82rem;
  color: var(--text-2);
}

.wf-card-desc {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wf-card-stages {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.stage-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--surface-border);
  background: var(--surface);
  transition: all 0.2s var(--ease);
}

.stage-dot.completed { background: var(--green); border-color: var(--green); }
.stage-dot.in_progress,
.stage-dot.in-progress,
.stage-dot.current   { background: var(--blue); border-color: var(--blue); }
.stage-dot.failed    { background: var(--red); border-color: var(--red); }

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.status-badge.created  { background: var(--surface); color: var(--text-2); border: 1px solid var(--border); }
.status-badge.running  { background: var(--blue-dim); color: var(--blue); }
.status-badge.paused   { background: var(--yellow-dim); color: var(--yellow); }
.status-badge.completed{ background: var(--green-dim); color: var(--green); }
.status-badge.failed   { background: var(--red-dim); color: var(--red); }
.status-badge.current  { background: var(--blue-dim); color: var(--blue); }
.status-badge.pending  { background: var(--yellow-dim); color: var(--yellow); }
.status-badge.locked   { background: var(--surface); color: var(--text-3); border: 1px solid var(--border); }

/* ─── Empty / loading states ─── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-3);
}

.empty-state p {
  margin-top: 12px;
  font-size: 0.92rem;
}

.loading-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-3);
}

.loading-state p {
  margin-top: 12px;
  font-size: 0.88rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--surface-border);
  border-top-color: var(--blue);
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Modal ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal-content {
  background: var(--surface-bright);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  width: min(680px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 0;
}

.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-1);
}

.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--r-xs);
  border: none;
  background: var(--surface);
  color: var(--text-2);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.btn-icon:hover {
  background: var(--surface-hover);
  color: var(--text-1);
}

.modal-body {
  padding: 20px 28px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  padding: 16px 28px 24px;
  flex-wrap: wrap;
}

/* Modal detail rows */
.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  color: var(--text-2);
  font-weight: 500;
}

.detail-value {
  color: var(--text-1);
  font-weight: 500;
  text-align: right;
}

/* Stage pipeline in modal */
.stage-pipeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.stage-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: all 0.2s var(--ease);
}

.stage-item:hover {
  background: var(--surface-hover);
}

.stage-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-hover);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-2);
  flex-shrink: 0;
}

.stage-item.completed .stage-num { background: var(--green-dim); color: var(--green); }
.stage-item.in_progress .stage-num,
.stage-item.in-progress .stage-num,
.stage-item.current .stage-num    { background: var(--blue-dim); color: var(--blue); }
.stage-item.failed .stage-num     { background: var(--red-dim); color: var(--red); }

.stage-info { flex: 1; }

.stage-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-1);
}

.stage-status-text {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 2px;
}

/* Stage card wrapper (holds row + actions + results) */
.stage-card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  overflow: hidden;
  transition: all 0.2s var(--ease);
}
.stage-card:hover {
  border-color: var(--blue);
}
.stage-card .stage-item {
  border: none;
  border-radius: 0;
}

/* Action bar beneath stage row */
.stage-actions-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 10px;
  border-top: 1px solid var(--border);
}
.stage-actions-bar .btn-xs {
  font-size: 0.75rem;
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: var(--r-sm);
  cursor: pointer;
}
.stage-view-results-btn {
  color: var(--blue) !important;
}
.stage-view-results-btn:hover {
  background: var(--blue-dim) !important;
}
.stage-rerun-btn {
  color: var(--amber, #f59e0b) !important;
}
.stage-rerun-btn:hover {
  background: rgba(245, 158, 11, 0.12) !important;
}

/* AI Analyze button in stage action bar */
.stage-analyze-btn {
  color: var(--blue) !important;
}
.stage-analyze-btn:hover {
  background: var(--blue-dim) !important;
}

/* AI Recommendation panel within stage card */
.ai-recommendation-panel {
  font-size: 0.82rem;
  line-height: 1.5;
  transition: all 0.2s var(--ease);
}

/* Collapsible results panel */
.stage-results-panel {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  background: var(--bg, #0a0a0f);
  animation: stageResultsIn 0.2s var(--ease);
}
@keyframes stageResultsIn {
  from { opacity: 0; max-height: 0; }
  to   { opacity: 1; max-height: 800px; }
}
.stage-results-header {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 8px;
}
.stage-results-pre {
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.76rem;
  line-height: 1.55;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  max-height: 400px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ─── Toast notifications ─── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--r-sm);
  background: var(--text-1);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s var(--ease-o);
  max-width: 400px;
}

.toast.success { background: var(--green); }
.toast.error   { background: var(--red); }
.toast.info    { background: var(--blue); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Button loading state ─── */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 6px;
}

/* ─── Data table (for richer results) ─── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 12px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.data-table td {
  color: var(--text-1);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--surface);
}

/* ─── Responsive for app pages ─── */
@media (max-width: 768px) {
  .page-hero { padding: 80px 0 32px; }

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

  .criterion-row {
    flex-wrap: wrap;
  }

  .criterion-category,
  .criterion-operator {
    flex: 0 0 auto;
    width: 100%;
  }

  .wf-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .wf-card-stages {
    align-self: flex-end;
  }

  .modal-content {
    max-height: 95vh;
  }

  .modal-actions {
    flex-direction: column;
  }

  .modal-actions .btn {
    width: 100%;
  }
}

/* ─── Background Job Banner ─── */
.job-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(99, 102, 241, 0.12));
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(59, 130, 246, 0.25);
  padding: 16px 24px;
  animation: jobBannerSlideIn 0.35s var(--ease);
}

@keyframes jobBannerSlideIn {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.job-banner-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.job-banner-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(59, 130, 246, 0.2);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

.job-banner-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.job-banner-text strong {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-1);
}

.job-banner-text span {
  font-size: 0.78rem;
  color: var(--text-3);
}

/* ═══════════════════════════════════════════════════════
   ACTIVE WORKFLOW BANNER
   ═══════════════════════════════════════════════════════ */
.active-workflow-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  margin-bottom: 16px;
  border-radius: var(--r-sm);
  background: var(--yellow-dim);
  border: 1px solid rgba(249, 171, 0, 0.25);
  color: var(--text-1);
  font-size: 0.88rem;
  line-height: 1.55;
  animation: bannerSlideIn 0.35s var(--ease-o);
}

.active-workflow-banner svg {
  flex-shrink: 0;
  color: var(--yellow);
  margin-top: 2px;
}

.active-workflow-banner strong {
  color: var(--text-1);
}

@keyframes bannerSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Disabled state for the create form when a workflow is active */
#create-workflow-form.form-disabled {
  opacity: 0.45;
  pointer-events: none;
  filter: grayscale(0.6);
  user-select: none;
}