/* PopperTech - Design System (Tailwind CSS + branded components)
   Framework: Tailwind CSS CDN (https://cdn.tailwindcss.com) - standard utility layer
   Tokens map to tailwind.config in layouts/app.php; custom components below extend, not replace.
   Palette: #3F1E55 (popper purple) / #1A0D23 (dark) / #E9A825 (gold) - same tokens in Tailwind config
   Usage: utilities via Tailwind classes, branded cards/sidebar/chat via this file (components layer) */
:root {
  --bg: #faf9fb;
  --bg-card: #ffffff;
  --bg-muted: #f3f0f8;
  --bg-soft: #fcf8ff;
  --border: #e8e0f2;
  --border-strong: #d6c8e8;
  --border-gold: #fde68a;
  --text: #1a0d23;
  --text-muted: #6b5a7d;
  --text-faint: #9b8bae;
  --primary: #3f1e55;
  --primary-hover: #2b113d;
  --primary-soft: #f3f0f8;
  --accent: #e9a825;
  --accent-hover: #c98e1a;
  --accent-soft: #fffbeb;
  --accent-gold: #e9a825;
  --popper-purple: #3f1e55;
  --popper-purple-dark: #1a0d23;
  --popper-gold: #e9a825;
  --popper-gold-soft: #fef3c7;
  --success: #059669;
  --success-bg: #ecfdf5;
  --warning: #d97706;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px rgba(63,30,85,.06), 0 1px 3px rgba(63,30,85,.05);
  --shadow-md: 0 4px 12px rgba(63,30,85,.07), 0 2px 6px rgba(63,30,85,.06);
  --shadow-lg: 0 10px 30px rgba(63,30,85,.10), 0 4px 10px rgba(63,30,85,.06);
  --shadow-popper: 0 8px 24px rgba(63,30,85,.12), 0 2px 8px rgba(63,30,85,.08);
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; height: 100%; font-size: 120%; }
body { margin:0; font-family: var(--font-sans); background: var(--bg); color: var(--text); line-height: 1.6; font-size: 16.8px; min-height:100vh; display:flex; flex-direction:column; }
main { flex:1; padding-bottom: 48px; }
.app-footer { margin-top:auto; background:var(--popper-purple-dark); border-top:1px solid rgba(255,255,255,.08); padding:28px 0 20px; color:rgba(255,255,255,.7); font-size:15.6px; }
/* Ensure every major section has breathing room - no overlapping */
.container { padding-top: 8px; padding-bottom: 24px; }
.page-header { margin-bottom: 8px; }
.hero { margin-bottom: 8px; }
.grid-2, .grid-3, .kpi-grid, .card { margin-bottom: 16px; }
.grid-2:last-child, .grid-3:last-child, .kpi-grid:last-child { margin-bottom: 24px; }
main > .container:last-child { padding-bottom: 32px; }
.container > .grid-2:last-child,
.container > .grid-3:last-child,
.container > .card:last-child { margin-bottom: 16px; }
.app-footer a { color: var(--popper-gold); }
.app-footer a:hover { color: #fde68a; }
a { color: var(--primary); text-decoration: none; }
/* ponytail: classless links only - global hover must never override .btn / Tailwind text-* colors (dark-on-dark CTA bug); footer keeps its own hover via higher specificity */
:where(a:not([class])):hover { color: var(--primary-hover); }
a.accent-link { color: var(--accent); }
a.accent-link:hover { color: var(--accent-hover); }
img { max-width: 100%; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 640px; margin: 0 auto; padding: 0 24px; }

/* Top nav - PopperTech header: white with subtle purple tint (legacy, kept for fallback) */
.topnav { position: sticky; top:0; z-index:40; background: rgba(255,255,255,.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); transition: background .2s ease, box-shadow .2s ease, backdrop-filter .2s ease; }
.topnav.scrolled { background: rgba(255,255,255,.95); box-shadow: 0 4px 20px rgba(63,30,85,.06), 0 1px 3px rgba(63,30,85,.08); backdrop-filter: blur(16px); }
.topnav-inner { display:flex; align-items:center; justify-content:space-between; height:68px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.02em; color: var(--popper-purple-dark); font-size:18px; text-decoration:none; }
.brand-mark { width:42px; height:42px; background: var(--popper-purple); color:white; border-radius:12px; display:grid; place-items:center; font-weight:800; font-size:16.8px; letter-spacing:-.03em; border:1px solid rgba(255,255,255,.12); box-shadow: 0 1px 6px rgba(63,30,85,.18); }
.brand-logo { height:42px; width:auto; display:block; border-radius:10px; box-shadow: 0 1px 6px rgba(63,30,85,.12); }
.brand-logo-fallback { height:42px; width:auto; }
.brand-text { display:flex; flex-direction:column; line-height:1.1; }
.brand-title { font-size:18px; font-weight:800; letter-spacing:-.02em; color:var(--popper-purple-dark); }
.brand-subtitle { font-size:13.2px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--text-faint); }
.nav-links { display:flex; gap:22px; align-items:center; }
.nav-link { color: var(--text-muted); font-weight:500; font-size:16.8px; padding:6px 2px; border-bottom:2px solid transparent; transition: .15s; }
.nav-link.active, .nav-link:hover { color: var(--text); border-bottom-color: var(--text); }

/* Modern collapsible left sidebar - PopperTech dark */
.app-shell { display:flex; min-height:100vh; }
.sidebar { width:260px; background:var(--popper-purple-dark); color:rgba(255,255,255,.92); display:flex; flex-direction:column; position:fixed; left:0; top:0; bottom:0; z-index:45; transition: width .22s ease, transform .22s ease; overflow:hidden; border-right:1px solid rgba(255,255,255,.06); }
.sidebar.collapsed { width:64px; }
.sidebar-header { height:68px; display:flex; align-items:center; justify-content:space-between; padding:0 14px; border-bottom:1px solid rgba(255,255,255,.08); flex-shrink:0; gap:8px; }
.sidebar-header .brand { color:white; gap:10px; flex:1; min-width:0; overflow:hidden; }
.sidebar.collapsed .brand-text { display:none; }
.sidebar.collapsed .brand-logo { height:36px; }
.sidebar-toggle { width:28px; height:28px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12); border-radius:8px; color:rgba(255,255,255,.85); display:grid; place-items:center; cursor:pointer; flex-shrink:0; transition:.15s; }
.sidebar-toggle:hover { background:rgba(255,255,255,.14); color:white; }
.sidebar.collapsed .sidebar-toggle svg { transform: rotate(180deg); }
.sidebar-nav { flex:1; overflow-y:auto; overflow-x:hidden; padding:14px 10px; display:flex; flex-direction:column; gap:4px; scrollbar-width:thin; scrollbar-color: rgba(255,255,255,.15) transparent; }
.sidebar-nav::-webkit-scrollbar { width:4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background:rgba(255,255,255,.15); border-radius:999px; }
.nav-item { display:flex; align-items:center; gap:12px; padding:10px 12px; border-radius:10px; color:rgba(255,255,255,.72); text-decoration:none; font-size:16.8px; font-weight:500; line-height:1; white-space:nowrap; overflow:hidden; transition:.15s; border:1px solid transparent; }
.nav-item:hover { background:rgba(255,255,255,.07); color:white; border-color:rgba(255,255,255,.06); }
.nav-item.active { background:rgba(233,168,37,.14); color:white; border-color:rgba(233,168,37,.24); box-shadow: 0 1px 6px rgba(233,168,37,.12); }
.nav-item.active .nav-icon { color:var(--popper-gold); }
.nav-icon { width:18px; height:18px; flex-shrink:0; display:grid; place-items:center; opacity:.9; }
.nav-label { flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; }
.sidebar.collapsed .nav-label { display:none; }
.sidebar.collapsed .nav-item { justify-content:center; padding:10px; gap:0; }
.sidebar-footer { padding:14px 12px; border-top:1px solid rgba(255,255,255,.08); display:flex; flex-direction:column; gap:12px; flex-shrink:0; }
.sidebar-user { display:flex; align-items:center; gap:10px; min-width:0; }
.user-avatar { width:32px; height:32px; background:var(--popper-gold); color:var(--popper-purple-dark); border-radius:999px; display:grid; place-items:center; font-weight:800; font-size:14.4px; flex-shrink:0; letter-spacing:-.02em; }
.user-info { flex:1; min-width:0; overflow:hidden; }
.user-name { font-size:15.6px; font-weight:600; color:white; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; line-height:1.2; }
.user-email { font-size:13.2px; color:rgba(255,255,255,.6); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sidebar.collapsed .user-info { display:none; }
.sidebar.collapsed .sidebar-footer { align-items:center; padding:12px 8px; }
.sidebar-logout { width:100%; justify-content:center; color:rgba(255,255,255,.85) !important; border-color:rgba(255,255,255,.18) !important; background:transparent !important; }
.sidebar-logout:hover { background:rgba(255,255,255,.12) !important; color:white !important; border-color:rgba(255,255,255,.28) !important; }
.sidebar-logout:focus-visible { outline:2px solid var(--popper-gold); outline-offset:2px; }
.sidebar.collapsed .sidebar-footer .btn { padding:6px; font-size:0; }
.sidebar.collapsed .sidebar-footer .btn::before { content:"↗"; font-size:14.4px; }
.sidebar-overlay { position:fixed; inset:0; background:rgba(16,8,27,.45); backdrop-filter: blur(2px); z-index:44; display:none; }
.sidebar-overlay.open { display:block; }
.landing-nav { background:rgba(255,255,255,.92); backdrop-filter:blur(12px); border-bottom:1px solid var(--border); position:sticky; top:0; z-index:40; }
.landing-nav .brand-logo { height:36px; }
@media (max-width: 768px){ .landing-nav .container { padding:0 16px; } }
.main-wrapper { flex:1; margin-left:260px; display:flex; flex-direction:column; min-height:100vh; min-width:0; transition: margin-left .22s ease; }
.main-wrapper.collapsed { margin-left:64px; }
.topbar { height:56px; background:rgba(255,255,255,.88); backdrop-filter:blur(12px); border-bottom:1px solid var(--border); display:none; align-items:center; gap:14px; padding:0 20px; position:sticky; top:0; z-index:30; }
.hamburger { width:36px; height:36px; background:white; border:1px solid var(--border); border-radius:10px; display:grid; place-items:center; cursor:pointer; color:var(--text); flex-shrink:0; }
.hamburger:hover { background:var(--bg-muted); }
.topbar-title { flex:1; min-width:0; font-weight:700; letter-spacing:-.02em; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.topbar-actions { display:flex; align-items:center; gap:10px; flex-shrink:0; }
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); width:280px; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .sidebar.collapsed { transform: translateX(-100%); width:280px; }
  .sidebar.collapsed.open { transform: translateX(0); width:280px; }
  .sidebar.collapsed .brand-text, .sidebar.collapsed .nav-label, .sidebar.collapsed .user-info { display:block; }
  .sidebar.collapsed .nav-item { justify-content:flex-start; padding:10px 12px; gap:12px; }
  .main-wrapper, .main-wrapper.collapsed { margin-left:0; }
  .topbar { display:flex; padding:0 16px; }
  .brand-logo { height:36px; }
}
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:10px 18px; border-radius: 999px; font-weight:600; font-size:16.8px; border:1px solid transparent; cursor:pointer; transition:.15s; line-height:1; white-space:nowrap; }
.btn-primary { background: var(--primary); color:white; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); color:white; }
.btn-secondary { background: white; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--bg-muted); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-muted); color: var(--text); }
.btn-accent { background: var(--accent); color:white; }
.btn-accent:hover { background: var(--accent-hover); color:white; }
.btn-sm { padding:7px 14px; font-size:15.6px; }
.btn-lg { padding:14px 24px; font-size:18px; }

/* Cards */
.card { background: var(--bg-card); border:1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.card-pad { padding: 24px; }
.card-pad-lg { padding: 28px; }
.card-header { padding:20px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; }
.kpi-grid { display:grid; grid-template-columns: repeat(4,1fr); gap:16px; }
@media (max-width: 1100px){ .kpi-grid{ grid-template-columns: repeat(2,1fr);} }
@media (max-width: 640px){ .kpi-grid{ grid-template-columns: 1fr;} }
.kpi-card { background: white; border:1px solid var(--border); border-radius: var(--radius-lg); padding:20px; box-shadow: var(--shadow-sm); transition:.15s; }
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.kpi-label { font-size:13.2px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color: var(--text-faint); margin-bottom:10px; }
.kpi-value { font-size:31.2px; font-weight:800; letter-spacing:-.04em; color: var(--text); line-height:1.1; font-variant-numeric: tabular-nums; }
.kpi-sub { font-size:15.6px; color: var(--text-muted); margin-top:6px; line-height:1.4; }
/* Premium KPI accent for hero preview subtle */
.hero-card .kpi-value { font-weight:750; letter-spacing:-.03em; }
.badge { display:inline-flex; align-items:center; padding:4px 10px; border-radius:999px; font-size:14.4px; font-weight:600; border:1px solid var(--border); background: white; color: var(--text-muted); white-space:nowrap; line-height:1; }
.badge-success { background: var(--success-bg); color: var(--success); border-color:#a7f3d0; }
.badge-warning { background:#fffbeb; color: var(--warning); border-color:#fde68a; }
.badge-danger { background: var(--danger-bg); color: var(--danger); border-color:#fecaca; }
.badge-dark { background: var(--primary); color:white; border-color: var(--primary); font-size:13.2px; letter-spacing:.05em; text-transform:uppercase; padding:6px 11px; font-weight:700; box-shadow: 0 1px 2px rgba(15,23,42,.08); }
.badge-draft { background:#fffbeb; color:var(--warning); border-color:#fde68a; }
.badge-finalized { background:var(--success-bg); color:var(--success); border-color:#a7f3d0; }
.badge-archived { background:var(--bg-muted); color:var(--text-faint); border-color:var(--border); }
.badge-in_progress { background:#eff6ff; color:#1d4ed8; border-color:#bfdbfe; }
.badge-inv-pending { background:#fffbeb; color:var(--warning); border-color:#fde68a; }
.badge-inv-accepted { background:var(--success-bg); color:var(--success); border-color:#a7f3d0; }
.badge-inv-revoked { background:var(--bg-muted); color:var(--text-faint); border-color:var(--border); }

/* Forms */
.form-group { margin-bottom:16px; }
.label { display:block; font-size:15.6px; font-weight:600; color: var(--text); margin-bottom:6px; }
.input, .select, .textarea { width:100%; padding:11px 14px; border:1px solid var(--border); border-radius: var(--radius-sm); background: white; font-size:16.8px; color: var(--text); transition:.15s; outline:none; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.input:focus-visible, .select:focus-visible, .textarea:focus-visible, .btn:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.textarea { min-height: 96px; resize: vertical; }
.input-error { border-color: var(--danger) !important; }
.error-text { font-size:14.4px; color: var(--danger); margin-top:6px; }
.alert { padding:14px 16px; border-radius: var(--radius-sm); font-size:16.8px; border:1px solid; display:flex; gap:10px; align-items:flex-start; }
.alert-success { background: var(--success-bg); border-color:#a7f3d0; color:#065f46; }
.alert-error { background: var(--danger-bg); border-color:#fecaca; color:#991b1b; }
.alert-info { background:#eff6ff; border-color:#bfdbfe; color:#1e40af; }

/* Layout */
.page-header { padding: 28px 0 20px; }
.page-title { font-size: 33.6px; font-weight:850; letter-spacing:-.04em; margin:0; line-height:1.15; }
.page-sub { color: var(--text-muted); margin-top:8px; font-size:16.8px; line-height:1.5; }
.grid-2 { display:grid; grid-template-columns: 1.1fr .9fr; gap:24px; }
@media (max-width: 900px){ .grid-2{ grid-template-columns: 1fr; gap:20px;} }
/* Equal 2-col form/snapshot grids (replaces inline 1fr 1fr which overflowed on mobile) */
.form-grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media (max-width: 640px){ .form-grid-2{ grid-template-columns:1fr; } }
/* Grid blowout guard: grid items default min-width:auto forces tracks to min-content
   (dashboard Recent-projects row with nowrap title + wide badge overflowed 375px) */
.grid-2 > *, .grid-3 > *, .kpi-grid > * { min-width:0; }
/* Admin tab bar (super-admin console: Overview | Organizations | Users) */
.admin-tabs { display:flex; gap:8px; margin-top:16px; border-bottom:2px solid var(--border); padding-bottom:0; overflow-x:auto; }
.admin-tab { display:inline-flex; align-items:center; padding:10px 16px; font-size:15.6px; font-weight:600; color:var(--text-muted); text-decoration:none; border-bottom:3px solid transparent; margin-bottom:-2px; white-space:nowrap; }
.admin-tab:hover { color:var(--text); }
.admin-tab.active { color:var(--primary); border-bottom-color:var(--primary); }
.admin-tab:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
.grid-3 { display:grid; grid-template-columns: repeat(3,1fr); gap:20px; }
@media (max-width: 900px){ .grid-3{ grid-template-columns: 1fr 1fr; gap:16px; } }
@media (max-width: 640px){ .grid-3{ grid-template-columns: 1fr; gap:14px; } }
.grid-3.feature-grid { margin-top: 40px; }
@media (max-width: 980px){ .grid-3.feature-grid { margin-top: 24px; } }
.feature-card { padding:20px 22px; display:flex; flex-direction:column; gap:8px; min-height:110px; }
.feature-card h3 { margin:0; font-size:17.4px; line-height:1.35; color:var(--popper-purple-dark); }
.feature-card p { margin:0; color:var(--text-muted); font-size:15.6px; line-height:1.55; }

/* Table - with subtle scroll hint */
.table-wrap { overflow:auto; -webkit-overflow-scrolling:touch; border:1px solid var(--border); border-radius: var(--radius-md); background:white; scrollbar-width:thin; scrollbar-color: var(--border) transparent; position:relative; overscroll-behavior-x: contain; box-shadow: var(--shadow-sm); }
.table-wrap::-webkit-scrollbar { height:6px; width:6px; }
.table-wrap::-webkit-scrollbar-thumb { background:var(--border); border-radius:999px; }
.table-wrap::-webkit-scrollbar-thumb:hover { background:var(--border-strong); }
/* Scroll hint: subtle inner shadow on right edge */
.table-wrap { background-image: linear-gradient(to right, white, white), linear-gradient(to right, white, white), radial-gradient(farthest-side at 0 50%, rgba(15,23,42,.08), transparent), radial-gradient(farthest-side at 100% 50%, rgba(15,23,42,.08), transparent); background-position: left center, right center, left center, right center; background-repeat: no-repeat; background-size: 14px 100%, 14px 100%, 14px 100%, 14px 100%; background-attachment: local, local, scroll, scroll; }
table { width:100%; border-collapse:collapse; font-size:16.8px; min-width: 520px; }
th { text-align:left; font-size:13.2px; letter-spacing:.07em; text-transform:uppercase; color: var(--text-faint); padding:12px 16px; border-bottom:1px solid var(--border); background: var(--bg-muted); white-space:nowrap; }
td { padding:14px 16px; border-bottom:1px solid #f1f5f9; vertical-align:middle; }
tr:last-child td { border-bottom:none; }
tr:hover td { background: #f8fafc; }

/* Chat */
.chat-shell { display:flex; flex-direction:column; height: calc(100vh - 140px); min-height: 520px; max-height: 760px; background:white; border:1px solid var(--border); border-radius: var(--radius-xl); overflow:hidden; box-shadow: var(--shadow-md); }
.chat-history { flex:1; overflow-y:auto; padding:24px; display:flex; flex-direction:column; gap:14px; background: #fcfdff; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.bubble { max-width: 78%; padding:14px 16px; border-radius: 16px; font-size:16.8px; line-height:1.55; box-shadow: var(--shadow-sm); word-break: break-word; }
.bubble-user { align-self:flex-end; background: var(--primary); color:white; border-bottom-right-radius:6px; }
.bubble-assistant { align-self:flex-start; background:white; border:1px solid var(--border); border-bottom-left-radius:6px; }
.bubble-system { align-self:center; background: #f1f5f9; border:1px dashed var(--border); font-size:14.4px; color: var(--text-muted); border-radius: 999px; padding:8px 14px; }
.chat-inputbar { display:flex; gap:10px; padding:14px; border-top:1px solid var(--border); background:white; position: sticky; bottom:0; z-index:2; }
.chat-input { flex:1; min-width:0; }
.assumption-card { border:2px solid var(--accent); background:#f8faff; border-radius: var(--radius-md); padding:16px; display:grid; gap:10px; }
.skeleton { background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 37%, #e2e8f0 63%); background-size:400% 100%; animation: shimmer 1.2s ease infinite; border-radius:8px; height:14px; }
@keyframes shimmer { 0%{background-position:100% 0} 100%{background-position:-100% 0} }

/* Hero - WOW redesign (PopperTech) */
.hero { position:relative; padding: 36px 0 32px; display:grid; grid-template-columns:minmax(0,1.05fr) minmax(340px, 460px); gap:56px; align-items:center; overflow:visible; }
.hero::before { content:""; position:absolute; inset:-24px 0 0 0; background:
  radial-gradient(600px 400px at 18% 18%, rgba(63,30,85,.06), transparent 60%),
  radial-gradient(520px 380px at 82% 22%, rgba(233,168,37,.08), transparent 62%),
  linear-gradient(to bottom, rgba(243,240,248,.45), transparent 38%);
  pointer-events:none; z-index:0; }
.hero > * { position:relative; z-index:1; }
@media (max-width: 980px){ .hero{ grid-template-columns:1fr; padding:28px 0 24px; gap:24px; } }
.hero h1 { font-size:clamp(38.4px, 4vw, 52.8px); line-height:1.02; letter-spacing:-.04em; font-weight:900; margin:0; max-width:14.5ch; color:var(--text); }
.hero h1 .hero-highlight { position:relative; color:var(--popper-purple); display:inline-block; }
.hero h1 .hero-highlight::after { content:""; position:absolute; left:-4px; right:-4px; bottom:3px; height:9px; background:rgba(233,168,37,.20); border-radius:6px; z-index:-1; transform:rotate(-0.5deg); }
.hero p { color: var(--text-muted); font-size:18.6px; margin:0; line-height:1.6; max-width:52ch; }
.hero-copy { display:flex; flex-direction:column; gap:16px; min-width:0; }
.hero-copy > p { margin:0; }
.hero .badge-dark { font-size:13.2px; letter-spacing:.06em; text-transform:uppercase; padding:7px 12px; font-weight:700; }
.hero-orb { position:absolute; width:420px; height:420px; border-radius:999px; filter:blur(44px); opacity:.12; pointer-events:none; }
.hero-orb--purple { background:radial-gradient(circle at 30% 30%, #3F1E55, transparent 70%); right:-40px; top:-20px; }
.hero-orb--gold { background:radial-gradient(circle at 50% 50%, #E9A825, transparent 72%); right:120px; top:60px; width:320px; height:320px; opacity:.10; }
.hero-visual { position:relative; align-self:center; width:100%; max-width:460px; justify-self:end; }
@media (max-width: 980px){ .hero-visual{ max-width:none; justify-self:stretch; } }
.hero-card { position:relative; background:white; border:1px solid rgba(232,224,242,.9); border-radius: 22px; padding:0; box-shadow: 0 18px 48px rgba(26,13,35,.14), 0 4px 14px rgba(26,13,35,.08), 0 0 0 1px rgba(63,30,85,.04); overflow:hidden; }
.hero-card::before { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(252,248,255,.9), rgba(255,255,255,0) 42%); pointer-events:none; }
.preview-chrome { height:38px; display:flex; align-items:center; gap:8px; padding:0 14px; border-bottom:1px solid var(--border); background: linear-gradient(180deg, #fff, #fcf8ff); position:relative; z-index:1; }
.preview-dot { width:10px; height:10px; border-radius:999px; border:1px solid rgba(0,0,0,.06); }
.preview-dot--close { background:#ff5f57; }
.preview-dot--min { background:#ffbd2e; }
.preview-dot--max { background:#28c840; }
.preview-title { flex:1; text-align:center; font-size:14.4px; font-weight:700; letter-spacing:-.01em; color:var(--popper-purple-dark); }
.preview-live { display:inline-flex; align-items:center; gap:6px; font-size:13.2px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--success); background:var(--success-bg); border:1px solid #a7f3d0; padding:4px 8px; border-radius:999px; }
.preview-live-dot { width:7px; height:7px; border-radius:999px; background:var(--success); box-shadow:0 0 0 4px rgba(5,150,105,.14); animation: pulseDot 1.8s infinite; }
@keyframes pulseDot { 0%{ box-shadow:0 0 0 4px rgba(5,150,105,.14)} 50%{ box-shadow:0 0 0 7px rgba(5,150,105,0)} 100%{ box-shadow:0 0 0 4px rgba(5,150,105,.14)} }
.preview-body { padding:16px 16px 18px; position:relative; z-index:1; }
.preview-hero-metric { display:flex; align-items:flex-end; justify-content:space-between; gap:16px; padding:16px 16px; background: linear-gradient(135deg, #1a0d23 0%, #3f1e55 100%); border-radius:16px; color:white; overflow:hidden; position:relative; }
.preview-hero-metric::after { content:""; position:absolute; inset:0; background: radial-gradient(320px 160px at 78% 20%, rgba(233,168,37,.18), transparent 60%); pointer-events:none; }
.preview-hero-metric > * { position:relative; z-index:1; }
.preview-hero-label { font-size:13.2px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.72); margin-bottom:6px; }
.preview-hero-value { font-size:33.6px; font-weight:900; letter-spacing:-.04em; line-height:1; }
.preview-hero-sub { font-size:14.4px; color:rgba(255,255,255,.72); margin-top:4px; }
.preview-spark { width:88px; height:32px; opacity:.92; }
.preview-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:14px; }
.preview-kpi { padding:14px 14px; border:1px solid var(--border); border-radius:14px; background:white; min-height:78px; display:flex; flex-direction:column; justify-content:center; }
.preview-kpi .kpi-label { margin-bottom:6px; font-size:12.6px; line-height:1; }
.preview-kpi .kpi-value { font-size:20.4px; line-height:1.1; }
.preview-kpi .kpi-sub { font-size:14.4px; line-height:1.35; margin-top:4px; }
.hero-chat { position:absolute; left:-14px; bottom:-12px; max-width:78%; background:white; border:1px solid var(--border); border-radius:16px; border-bottom-left-radius:6px; padding:10px 12px; box-shadow: 0 12px 32px rgba(26,13,35,.14), 0 2px 8px rgba(26,13,35,.08); display:flex; gap:10px; align-items:flex-start; animation: floatChat 5s ease-in-out infinite; }
.hero-chat::before { content:""; position:absolute; left:18px; bottom:-6px; width:12px; height:12px; background:white; border-left:1px solid var(--border); border-bottom:1px solid var(--border); transform:rotate(-45deg); }
@keyframes floatChat { 0%,100%{ transform:translateY(0)} 50%{ transform:translateY(-4px)} }
.hero-chat-dot { width:28px; height:28px; border-radius:999px; background:var(--popper-purple); color:white; display:grid; place-items:center; font-weight:800; font-size:13.2px; flex-shrink:0; }
.hero-chat-text { font-size:15px; line-height:1.45; color:var(--text); }
.hero-chat-small { font-size:13.2px; color:var(--text-muted); margin-top:2px; }
@media (max-width: 980px){ .hero-chat{ left:8px; right:8px; max-width:none; bottom:-8px; } .hero-orb{ display:none; } }

/* Empty states - polished premium */
.empty { text-align:center; padding:40px 20px; color: var(--text-muted); display:flex; flex-direction:column; align-items:center; gap:2px; }
.empty-icon { width:56px; height:56px; border-radius:16px; background: var(--bg-muted); display:grid; place-items:center; margin:0 auto 12px; font-size:26.4px; border:1px solid var(--border); }
.empty-title { font-size:18px; font-weight:700; color: var(--text); margin:2px 0 4px; letter-spacing:-.02em; }
.empty-desc { font-size:15.6px; color: var(--text-muted); max-width:32ch; line-height:1.5; margin:0 auto; }
.empty .btn { margin-top:14px; }

/* Tooltip help */
.tooltip-wrap { position:relative; display:inline-flex; align-items:center; gap:6px; }
.tooltip-icon { width:18px; height:18px; border-radius:999px; background:white; border:1px solid var(--border); display:grid; place-items:center; font-size:13.2px; font-weight:700; color:var(--text-muted); cursor:help; }
.tooltip-text { position:absolute; bottom: calc(100% + 8px); left:50%; transform:translateX(-50%); background: var(--primary); color:white; font-size:14.4px; line-height:1.5; padding:8px 10px; border-radius:8px; width:240px; text-align:left; box-shadow: var(--shadow-md); opacity:0; pointer-events:none; transition:.15s; z-index:10; font-weight:500; }
.tooltip-wrap:hover .tooltip-text, .tooltip-wrap:focus-within .tooltip-text { opacity:1; }
.tooltip-text::after { content:''; position:absolute; top:100%; left:50%; transform:translateX(-50%); border:6px solid transparent; border-top-color: var(--primary); }

/* Responsive helpers */
.hide-mobile { display:block; }
@media (max-width: 768px){ .hide-mobile{ display:none; } .topnav-inner{ height:56px; } .hero h1{ font-size:38.4px; letter-spacing:-.04em; } }
@media (max-width: 640px){
  .container, .container-narrow, .container-sm { padding: 0 16px; }
  .card-pad { padding:18px; }
  .page-header { padding:22px 0 16px; }
  .page-title { font-size:26.4px; }
  table { min-width: 480px; }
}
@media (max-width: 375px){
  .kpi-value { font-size:26.4px; }
  .hero h1 { font-size:33.6px; }
  .btn-lg { padding:12px 18px; font-size:16.8px; }
}

/* Chat mobile: 375x812, 768 fix - M-01 */
@media (max-width: 768px){
  .chat-shell { height: calc(100vh - 120px); height: calc(100dvh - 120px); min-height: 420px; max-height: none; border-radius: var(--radius-lg); }
  .chat-history { padding:16px; gap:12px; }
  .bubble { max-width: 86%; padding:12px 14px; font-size:16.8px; }
  .chat-inputbar { padding:10px; gap:8px; }
}
@media (max-width: 480px){
  .chat-shell { height: calc(100vh - 100px); height: calc(100dvh - 100px); min-height: 380px; }
  .bubble { max-width: 88%; }
}

/* Assessment and result usability, preserving the existing brand and components. */
[hidden] { display:none !important; }
.ui-page { overflow-wrap:anywhere; }
.ui-page-heading { display:flex; justify-content:space-between; align-items:flex-start; gap:20px; }
.ui-page-heading > :first-child { flex:1; min-width:0; }
.ui-page-actions { display:flex; flex-wrap:wrap; align-items:center; gap:10px; }
.ui-page .btn { white-space:normal; line-height:1.3; }
.ui-help { font-size:14.4px; color:var(--text-muted); line-height:1.6; margin-top:6px; }
.ui-review-group { min-width:0; border:0; border-top:1px solid var(--border); margin:24px 0 0; padding:18px 0 0; }
.ui-review-group legend, .ui-review-group summary { font-size:18px; font-weight:700; padding-right:12px; }
.ui-review-group summary { cursor:pointer; }
.ui-review-group .form-grid-2 > * { min-width:0; }
.ui-assumption-row { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:10px; padding-block:10px; border-bottom:1px solid var(--border); font-size:15.6px; }
.ui-assumption-row > :first-child { flex:1 1 180px; min-width:0; overflow-wrap:anywhere; }
.ui-cost-entry { display:flex; flex-wrap:wrap; gap:10px; align-items:flex-end; margin-top:12px; }
.ui-cost-entry > div { flex:1 1 150px; min-width:0; }
.ui-summary { display:flex; flex-wrap:wrap; gap:16px 28px; padding-block:14px; border-block:1px solid var(--border); }
.ui-summary > div { flex:1 1 170px; min-width:0; }
.ui-summary dt { color:var(--text-muted); font-size:14.4px; }
.ui-summary dd { margin:4px 0 0; font-weight:700; font-variant-numeric:tabular-nums; }
.ui-page .kpi-label { color:var(--text-muted); }
.ui-page input::placeholder, .ui-page textarea::placeholder { color:var(--text-muted); opacity:1; }
.ui-page .badge-warning { color:#92400e; }
.ui-page .badge-success { color:#047857; }
.ui-results .grid-2 .card > div > div { flex-wrap:wrap; gap:8px 16px; }
.chat-history { min-height:100px; }
.chat-shell > :not(.chat-history) { flex-shrink:0; }
.chat-shell:has(#chatError:not([hidden])) { height:auto; max-height:none; }
.chat-shell:has(#chatError:not([hidden])) .chat-history { max-height:400px; }
.btn:disabled { cursor:not-allowed; opacity:.6; transform:none; }
.alert-success [data-dismiss-alert] { margin-left:auto; color:inherit; }
.alert-success > span { min-width:0; overflow-wrap:anywhere; }
@media (max-width: 640px) {
  .ui-page-heading { flex-direction:column; align-items:stretch; gap:12px; }
  .ui-page-heading .ui-page-actions .btn { width:100%; }
  .ui-page .card-pad-lg { padding:18px; }
  .ui-page .chat-inputbar { flex-wrap:wrap; }
  .ui-page .chat-input { flex-basis:180px; }
  .ui-page .chat-inputbar .btn { min-height:44px; }
  .ui-page .kpi-value { font-size:26.4px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  .sidebar, .main-wrapper, .btn, .input, .select, .textarea { transition:none; }
}