:root {
  --bg:      #f8fafc;
  --bg2:     #ffffff;
  --card:    #ffffff;
  --card2:   #f1f5f9;
  --border:  #e2e8f0;
  --sidebar-bg: #ffffff;
  --accent:  #4f46e5;
  --accent2: #6366f1;
  --text:    #0f172a;
  --muted:   #64748b;
  --error:   #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  --radius:  10px;
  --font:    'Inter', system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; }

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

/* ─── LAYOUT ─────────────────────────────────────────────────────────────────── */
.app-shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  padding: .5rem .75rem;
  margin-bottom: 1.5rem;
}
.sidebar-brand img { height: 44px; }
.sidebar-brand span { color: var(--accent); }
.sidebar-icon { width:30px;height:30px;background:var(--accent);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.95rem;color:#fff; }

.nav-section { font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#cbd5e1;padding:.2rem .75rem;margin:.9rem 0 .2rem; }
.nav-group { padding:.15rem 0; }
.nav-divider { height:1px; background:var(--border); margin:.6rem .75rem .5rem; }

.nav-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .75rem;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  transition: all .15s;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
}
.nav-item:hover  { background: #f1f5f9; color: var(--text); }
.nav-item.active { background: #ede9fe; color: var(--accent); font-weight: 600; }
.nav-item .ni { width:16px; height:16px; flex-shrink:0; display:flex; align-items:center; justify-content:center; }
.nav-item .ni svg { width:16px; height:16px; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* ─── PAGE HEADER ──────────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}
.page-title { font-size: 1.65rem; font-weight: 800; color: var(--text); letter-spacing: -.02em; line-height: 1.2; }
.page-sub   { font-size: .875rem; color: var(--muted); margin-top: .3rem; }

/* ─── TOPBAR ─────────────────────────────────────────────────────────────────── */
.topbar {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: .75rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

.topbar-title { font-size: 1.05rem; font-weight: 700; color: var(--text); }
.topbar-right { display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--muted); }
.topbar-email { color: var(--text); font-weight: 500; }

/* ─── MAIN ───────────────────────────────────────────────────────────────────── */
.main-content { padding: 1.75rem; overflow-y: auto; background: var(--bg); }

/* ─── CARDS ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-title { font-size: 1rem; font-weight: 700; color: var(--text); }

/* ─── STAT CARDS ─────────────────────────────────────────────────────────────── */
.stat-grid { display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem;margin-bottom:1.75rem; }

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.stat-card .s-label { font-size:.8rem;color:var(--muted);margin-bottom:.4rem; }
.stat-card .s-val   { font-size:1.9rem;font-weight:800;color:var(--accent); }
.stat-card .s-sub   { font-size:.8rem;color:var(--muted);margin-top:.2rem; }

/* ─── BUTTONS ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem 1rem;
  border-radius: 7px;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
  text-decoration: none;
  border: none;
}
.btn-primary { background:var(--accent);color:#fff; }
.btn-primary:hover { background:var(--accent2);transform:translateY(-1px); }
.btn-secondary { background:#fff;color:var(--text);border:1px solid var(--border); }
.btn-secondary:hover { border-color:var(--accent);color:var(--accent); }
.btn-danger { background:rgba(239,68,68,.08);color:#dc2626;border:1px solid rgba(239,68,68,.25); }
.btn-danger:hover { background:rgba(239,68,68,.15); }
.btn-sm { padding:.35rem .75rem;font-size:.8rem; }
.btn-icon { padding:.4rem .5rem; }

/* ─── TABLES ─────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border); }
table { width:100%;border-collapse:collapse; }
thead tr { background:#f8fafc; }
th { text-align:left;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:.75rem 1rem;border-bottom:1px solid var(--border); }
td { padding:.85rem 1rem;font-size:.875rem;border-bottom:1px solid var(--border);vertical-align:middle;color:var(--text); }
tbody tr:last-child td { border-bottom:none; }
tbody tr:hover { background:#f8fafc; }

/* ─── BADGES ─────────────────────────────────────────────────────────────────── */
.badge { display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:50px;font-size:.75rem;font-weight:600; }
.badge-green  { background:#dcfce7;color:#16a34a;border:1px solid #bbf7d0; }
.badge-orange { background:#ede9fe;color:var(--accent);border:1px solid #ddd6fe; }
.badge-red    { background:#fee2e2;color:#dc2626;border:1px solid #fecaca; }
.badge-gray   { background:#f1f5f9;color:var(--muted);border:1px solid var(--border); }

/* ─── FORMS ──────────────────────────────────────────────────────────────────── */
.form-grid { display:grid;grid-template-columns:1fr 1fr;gap:1rem; }
.form-grid.cols-3 { grid-template-columns:1fr 1fr 1fr; }
.form-full { grid-column:1/-1; }

.form-group { display:flex;flex-direction:column;gap:.35rem; }
.form-group label { font-size:.8rem;font-weight:600;color:var(--muted); }
.form-hint { font-size:.75rem;color:var(--muted);margin-top:.2rem; }

.form-control {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  padding: .6rem .85rem;
  font-size: .875rem;
  outline: none;
  transition: border-color .2s;
  font-family: inherit;
  width: 100%;
}
.form-control:focus { border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.1); }
.form-control::placeholder { color:#94a3b8; }
textarea.form-control { resize:vertical;min-height:80px; }
select.form-control { cursor:pointer; }

.checkbox-row { display:flex;align-items:center;gap:.5rem;font-size:.875rem;cursor:pointer;color:var(--text); }
.checkbox-row input { width:16px;height:16px;accent-color:var(--accent);cursor:pointer; }

/* ─── MODAL ──────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position:fixed;inset:0;background:rgba(15,23,42,.5);
  display:flex;align-items:center;justify-content:center;
  z-index:200;padding:1rem;
}
.modal-overlay.hidden { display:none; }
.modal {
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  width:100%;
  max-width:680px;
  max-height:90vh;
  overflow-y:auto;
  padding:2rem;
  box-shadow:0 20px 60px rgba(0,0,0,.15);
}
.modal-header { display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem; }
.modal-title { font-size:1.15rem;font-weight:800;color:var(--text); }
.modal-close { background:none;border:none;color:var(--muted);font-size:1.3rem;cursor:pointer;line-height:1; }
.modal-close:hover { color:var(--text); }
.modal-footer { display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid var(--border); }

/* ─── ALERTS ─────────────────────────────────────────────────────────────────── */
.alert { padding:.75rem 1rem;border-radius:8px;font-size:.875rem;margin-bottom:1rem; }
.alert-error   { background:#fee2e2;border:1px solid #fecaca;color:#dc2626; }
.alert-success { background:#dcfce7;border:1px solid #bbf7d0;color:#16a34a; }
.alert-warning { background:#fef9c3;border:1px solid #fde68a;color:#b45309; }

/* ─── CODE BLOCK ─────────────────────────────────────────────────────────────── */
.code-block {
  background:#f8fafc;
  border:1px solid var(--border);
  border-radius:7px;
  padding:.75rem 1rem;
  font-family:'Cascadia Code','Fira Code',monospace;
  font-size:.8rem;
  color:var(--accent);
  word-break:break-all;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.5rem;
}

/* ─── EMPTY STATE ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align:center;
  padding:4rem 2rem;
  color:var(--muted);
}
.empty-state .es-icon { font-size:3rem;margin-bottom:1rem;opacity:.4; }
.empty-state h3 { font-size:1.05rem;font-weight:600;color:var(--text);margin-bottom:.5rem; }
.empty-state p { font-size:.875rem; }

/* ─── COPY FEEDBACK ──────────────────────────────────────────────────────────── */
.copy-btn { cursor:pointer;background:#f1f5f9;border:1px solid var(--border);border-radius:5px;padding:.2rem .5rem;font-size:.75rem;color:var(--muted);transition:all .15s;flex-shrink:0; }
.copy-btn:hover { color:var(--accent);border-color:var(--accent); }

/* ─── TABS ───────────────────────────────────────────────────────────────────── */
.tabs { display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:1.5rem; }
.tab-btn { padding:.65rem 1.25rem;font-size:.875rem;font-weight:600;color:var(--muted);background:none;border:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s; }
.tab-btn:hover { color:var(--text); }
.tab-btn.active { color:var(--accent);border-bottom-color:var(--accent); }
.tab-pane { display:none; }
.tab-pane.active { display:block; }

/* ─── SECTION HEADING ────────────────────────────────────────────────────────── */
.page-header { display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem; }
.page-title { font-size:1.4rem;font-weight:800;color:var(--text); }
.page-sub   { font-size:.875rem;color:var(--muted);margin-top:.2rem; }

/* ─── HELP TOOLTIPS ──────────────────────────────────────────────────────────── */
.htip { position:relative;display:inline-flex;align-items:center;vertical-align:middle;margin-left:.3rem; }
.htip-icon {
  display:inline-flex;align-items:center;justify-content:center;
  width:16px;height:16px;border-radius:50%;
  background:var(--accent);color:#fff;
  font-size:.65rem;font-weight:700;
  cursor:help;flex-shrink:0;
  border:none;padding:0;line-height:1;
}
.htip-box {
  display:none;
  position:absolute;
  bottom:calc(100% + 6px);
  left:50%;
  transform:translateX(-50%);
  background:#1e293b;
  color:#e2e8f0;
  font-size:.78rem;
  font-weight:400;
  line-height:1.45;
  padding:.55rem .8rem;
  border-radius:8px;
  width:240px;
  z-index:300;
  box-shadow:0 8px 24px rgba(0,0,0,.25);
  pointer-events:none;
}
.htip-box::after {
  content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:5px solid transparent;border-top-color:#1e293b;
}
.htip:hover .htip-box { display:block; }

/* ─── HELP PAGE ──────────────────────────────────────────────────────────────── */
.help-hero {
  background:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);
  border-radius:var(--radius);
  padding:2.25rem 2rem;
  color:#fff;
  margin-bottom:1.75rem;
}
.help-hero h1 { font-size:1.6rem;font-weight:800;margin-bottom:.4rem; }
.help-hero p  { font-size:.95rem;opacity:.88;max-width:560px; }
.help-quick-nav { display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.25rem; }
.help-quick-nav a {
  padding:.4rem .9rem;background:rgba(255,255,255,.15);border-radius:50px;
  color:#fff;font-size:.8rem;font-weight:600;text-decoration:none;
  border:1px solid rgba(255,255,255,.25);transition:all .15s;
}
.help-quick-nav a:hover { background:rgba(255,255,255,.28); }

.help-step {
  display:flex;gap:1rem;padding:1.1rem 0;
  border-bottom:1px solid var(--border);
}
.help-step:last-child { border-bottom:none; }
.help-step-num {
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:.85rem;font-weight:800;margin-top:.1rem;
}
.help-step-body h4 { font-size:.9rem;font-weight:700;color:var(--text);margin-bottom:.25rem; }
.help-step-body p  { font-size:.85rem;color:var(--muted);line-height:1.55; }
.help-step-body .code-block { margin-top:.6rem; }

.callout {
  display:flex;gap:.75rem;padding:.9rem 1rem;border-radius:8px;
  font-size:.85rem;line-height:1.5;margin:.75rem 0;
}
.callout-tip     { background:#ede9fe;border:1px solid #ddd6fe;color:#4338ca; }
.callout-warning { background:#fef9c3;border:1px solid #fde68a;color:#92400e; }
.callout-example { background:#f0fdf4;border:1px solid #bbf7d0;color:#166534; }
.callout-info    { background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af; }
.callout-icon    { font-size:1.1rem;flex-shrink:0;margin-top:.05rem; }

.faq-item { border-bottom:1px solid var(--border); }
.faq-q {
  display:flex;justify-content:space-between;align-items:center;
  padding:.9rem 0;font-size:.9rem;font-weight:600;color:var(--text);
  cursor:pointer;gap:1rem;
  background:none;border:none;width:100%;text-align:left;
}
.faq-q:hover { color:var(--accent); }
.faq-q .faq-arrow { font-size:.75rem;color:var(--muted);transition:transform .2s;flex-shrink:0; }
.faq-q.open .faq-arrow { transform:rotate(180deg); }
.faq-a { display:none;padding:0 0 .9rem;font-size:.855rem;color:var(--muted);line-height:1.6; }
.faq-a.open { display:block; }

.feature-card {
  border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;
  display:flex;gap:1rem;align-items:flex-start;
  transition:border-color .2s,box-shadow .2s;
}
.feature-card:hover { border-color:var(--accent);box-shadow:0 4px 16px rgba(79,70,229,.1); }
.feature-card-icon {
  width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0;
}
.feature-card h3 { font-size:.95rem;font-weight:700;margin-bottom:.3rem; }
.feature-card p  { font-size:.83rem;color:var(--muted);line-height:1.5; }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────────── */

/* --- HELP KNOWLEDGE BASE -------------------------------------------------------------- */
.help-outer { display:flex; flex-direction:column; height:100vh; overflow:hidden; }
.help-main  { flex:1; padding:0; overflow:hidden; }
.help-layout { display:flex; height:100%; }

.help-nav {
  width:252px; flex-shrink:0; height:100%; overflow-y:auto;
  border-right:1px solid var(--border); background:var(--card);
  padding:.75rem 0 2rem;
}
.help-nav-search { padding:.25rem .9rem .9rem; }
.help-nav-search input {
  width:100%; padding:.5rem .75rem .5rem 2rem;
  border:1px solid var(--border); border-radius:8px;
  font-size:.82rem; background:var(--card2); color:var(--text);
  outline:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:.6rem center;
}
.help-nav-search input:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(79,70,229,.1); }

.help-cat { margin-bottom:.15rem; }
.help-cat-hd {
  display:flex; align-items:center; justify-content:space-between;
  padding:.45rem .9rem; cursor:pointer; user-select:none;
  font-size:.7rem; font-weight:800; text-transform:uppercase;
  letter-spacing:.07em; color:var(--muted); margin-top:.4rem;
}
.help-cat-hd:hover { color:var(--text); }
.help-cat-hd svg { transition:transform .2s; flex-shrink:0; }
.help-cat.closed .help-cat-hd svg { transform:rotate(-90deg); }
.help-cat.closed .help-cat-items { display:none; }
.help-cat-items {}

.help-topic {
  display:block; padding:.42rem .9rem .42rem 1.5rem;
  font-size:.83rem; color:var(--muted); cursor:pointer;
  border-left:2px solid transparent; text-decoration:none;
  transition:color .1s, background .1s, border-color .1s;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.help-topic:hover { color:var(--text); background:var(--card2); }
.help-topic.active { color:var(--accent); font-weight:600; background:#ede9fe; border-left-color:var(--accent); }
.help-topic.hidden { display:none; }

.help-article-area {
  flex:1; height:100%; overflow-y:auto; padding:2rem 2.75rem 3rem;
}
.help-article-pane { display:none; }
.help-article-pane.active { display:block; max-width:760px; }

.help-breadcrumb {
  display:flex; align-items:center; gap:.35rem;
  font-size:.78rem; color:var(--muted); margin-bottom:1.4rem;
}
.help-breadcrumb .hb-sep { opacity:.45; font-size:.7rem; }
.help-breadcrumb .hb-current { color:var(--text); font-weight:600; }

.help-article-h1 { font-size:1.55rem; font-weight:800; color:var(--text); margin-bottom:1.5rem; line-height:1.25; }
.help-article-h2 { font-size:1rem; font-weight:700; color:var(--text); margin:1.75rem 0 .6rem; }
.help-article-h3 { font-size:.9rem; font-weight:700; color:var(--text); margin:1.25rem 0 .45rem; }
.help-article-p  { font-size:.875rem; color:var(--muted); line-height:1.65; margin-bottom:.85rem; }
.help-article-p strong { color:var(--text); }
.help-article-p a { color:var(--accent); text-decoration:none; font-weight:600; }
.help-article-p a:hover { text-decoration:underline; }
.help-article-ul { list-style:none; padding:0; margin:0 0 .85rem; }
.help-article-ul li {
  font-size:.875rem; color:var(--muted); padding:.35rem 0 .35rem 1.25rem;
  position:relative; line-height:1.55; border-bottom:1px solid var(--border);
}
.help-article-ul li:last-child { border-bottom:none; }
.help-article-ul li::before { content:'—'; position:absolute; left:0; color:var(--accent); font-weight:700; }
.help-article-ul li strong { color:var(--text); }

.help-tip {
  display:flex; gap:.75rem; padding:.85rem 1rem; border-radius:8px;
  font-size:.845rem; line-height:1.55; margin:1rem 0;
  align-items:flex-start;
}
.help-tip-icon { font-size:1rem; flex-shrink:0; margin-top:.05rem; }
.help-tip.tip     { background:#ede9fe; border:1px solid #ddd6fe; color:#3730a3; }
.help-tip.info    { background:#eff6ff; border:1px solid #bfdbfe; color:#1e40af; }
.help-tip.warning { background:#fef9c3; border:1px solid #fde68a; color:#92400e; }
.help-tip.example { background:#f0fdf4; border:1px solid #bbf7d0; color:#166534; }
.help-tip.note    { background:#f8fafc; border:1px solid var(--border); color:var(--muted); }
.help-tip a       { font-weight:700; }
.help-tip.tip a   { color:#4338ca; }
.help-tip.info a  { color:#1e40af; }

.help-step-list   { margin:0 0 1rem; }
.help-step-item   { display:flex; gap:1rem; padding:.9rem 0; border-bottom:1px solid var(--border); }
.help-step-item:last-child { border-bottom:none; }
.help-step-num2   { flex-shrink:0; width:28px; height:28px; border-radius:50%; background:var(--accent); color:#fff; display:flex; align-items:center; justify-content:center; font-size:.8rem; font-weight:800; margin-top:.1rem; }
.help-step-body2 h4 { font-size:.875rem; font-weight:700; color:var(--text); margin-bottom:.3rem; }
.help-step-body2 p  { font-size:.845rem; color:var(--muted); line-height:1.6; }
.help-step-body2 .code-block { margin-top:.5rem; }

.help-table { width:100%; border-collapse:collapse; margin:1rem 0; font-size:.83rem; }
.help-table th { padding:.5rem .75rem; background:var(--card2); text-align:left; font-weight:700; color:var(--text); border:1px solid var(--border); }
.help-table td { padding:.5rem .75rem; color:var(--muted); border:1px solid var(--border); vertical-align:top; }
.help-table td code { background:var(--card2); border-radius:4px; padding:.1rem .35rem; font-size:.78rem; }
.help-table tr:hover td { background:var(--card2); }

.help-article-footer {
  display:flex; justify-content:space-between; align-items:stretch;
  margin-top:2.5rem; padding-top:1.75rem; border-top:1px solid var(--border);
  gap:1rem;
}
.help-nav-btn {
  display:flex; flex-direction:column; gap:.2rem; padding:.8rem 1.1rem;
  border:1px solid var(--border); border-radius:10px; cursor:pointer;
  background:none; text-decoration:none; transition:all .15s; max-width:48%;
}
.help-nav-btn:hover { border-color:var(--accent); background:#ede9fe; }
.help-nav-btn .hn-label { font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:var(--muted); }
.help-nav-btn .hn-title { font-size:.85rem; font-weight:700; color:var(--accent); }
.help-nav-btn.prev .hn-title::before { content:'← '; }
.help-nav-btn.next { text-align:right; margin-left:auto; }
.help-nav-btn.next .hn-title::after { content:' →'; }

/* --- RESPONSIVE ----------------------------------------------------------------------- */
@media(max-width:768px) {
  .app-shell { grid-template-columns:1fr; }
  .sidebar { display:none; }
  .topbar { padding:.75rem 1rem; }
  .main-content { padding:1rem; }
  .form-grid { grid-template-columns:1fr; }
  .form-grid.cols-3 { grid-template-columns:1fr; }
  .help-quick-nav { gap:.4rem; }
  .feature-card { flex-direction:column; }
  .tabs { overflow-x:auto;white-space:nowrap; }
}