.app {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  background: var(--sidebar-bg);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--color-border-soft);
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar .brand {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
}
.sidebar .brand::first-line { line-height: 1.2; }
.sidebar .brand small {
  display: block;
  margin-top: 2px;
  color: var(--color-muted);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  color: var(--color-muted);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}
.sidebar nav a:hover { background: var(--color-surface-2); color: var(--color-text); }
.sidebar nav a.active {
  background: var(--gradient-brand-soft);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(124, 92, 255, 0.3);
}
.sidebar nav a .ico { width: 18px; height: 18px; flex: 0 0 18px; opacity: 0.9; }

.sidebar .section-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 2px;
  color: var(--color-faint); padding: var(--space-3) var(--space-3) var(--space-1);
}
.sidebar .spacer { flex: 1; }
.sidebar .foot {
  border-top: 1px solid var(--color-border-soft);
  padding-top: var(--space-3);
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar .foot .who { font-size: 12px; color: var(--color-muted); padding: 0 var(--space-3) var(--space-2); word-break: break-all; }
.sidebar .foot a,
.sidebar form button {
  display: block; text-align: left; width: 100%;
  background: none; border: 0; cursor: pointer;
  color: var(--color-muted); font-size: 13px; font-family: inherit;
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
}
.sidebar .foot a:hover,
.sidebar form button:hover { color: var(--color-text); background: var(--color-surface-2); }

/* Collapsed account control: blue user icon + "Settings". Click/tap (native
   <details>) reveals theme toggle, security/2FA, logout in a popover above it. */
.account { position: relative; }
.account-trigger {
  display: flex; align-items: center; gap: var(--space-2); width: 100%;
  background: none; border: 0; cursor: pointer; font-family: inherit;
  color: var(--color-text); font-size: 13px; font-weight: 600;
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
}
.account-trigger:hover { background: var(--color-surface-2); }
/* Blue rounded square, white user glyph inside. */
.account-ico { width: 28px; height: 28px; padding: 5px; background: #3b82f6; color: #fff; border-radius: 7px; flex: 0 0 auto; }
.account-label { flex: 1 1 auto; text-align: left; }
.account-caret { width: 14px; height: 14px; color: var(--color-muted); transition: transform 0.15s ease; }
.account:hover .account-caret, .account:focus-within .account-caret { transform: rotate(180deg); }

.account-menu {
  position: absolute; bottom: calc(100% + 4px); left: 0; right: 0;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 10px; box-shadow: var(--shadow-lg);
  padding: var(--space-2); display: flex; flex-direction: column; gap: 2px;
  z-index: 30;
  opacity: 0; visibility: hidden; transform: translateY(4px);
  transition: opacity 0.14s ease, transform 0.14s ease, visibility 0.14s;
}
/* Invisible bridge across the 4px gap so cursor trigger→menu doesn't drop it. */
.account-menu::after { content: ''; position: absolute; top: 100%; left: 0; right: 0; height: 8px; }
/* Show on hover (pointer) or focus-within (keyboard + tap focuses the button). */
.account:hover .account-menu, .account:focus-within .account-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}

/* ── Main ─────────────────────────────────────────────────── */
.main {
  padding: var(--space-8) var(--space-10);
  width: 100%;
}

/* client view stays centered + readable; admin uses the full width */
.main-centered { max-width: 1400px; margin-inline: auto; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  min-height: 36px;
}
.topbar .breadcrumbs { color: var(--color-muted); font-size: 13px; }
.topbar .breadcrumbs a { color: var(--color-muted); }
.topbar .actions { display: flex; gap: var(--space-2); }

/* Global client search in the admin top bar. */
.topbar-search {
  flex: 1; max-width: 440px; margin: 0 auto 0 var(--space-4);
  display: flex; align-items: center; gap: var(--space-2);
  background: var(--color-surface-2); border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md); padding: var(--space-2) var(--space-3);
}
.topbar-search svg { width: 16px; height: 16px; color: var(--color-muted); flex: 0 0 16px; }
.topbar-search input { flex: 1; background: none; border: 0; outline: none; color: var(--color-text); font: inherit; font-size: 14px; }
.topbar-search input::placeholder { color: var(--color-faint); }
@media (max-width: 760px) { .topbar-search { display: none; } }

/* ── Hero banner (client dashboard) ───────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-10);
  margin-bottom: var(--space-6);
  background: var(--gradient-brand);
  box-shadow: var(--shadow-lg);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 140% at 85% -20%, rgba(255, 255, 255, 0.25), transparent 50%);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero .eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75); margin-bottom: var(--space-2);
}
.hero h1 { color: #fff; font-size: 30px; margin-bottom: var(--space-1); }
.hero .lede { color: rgba(255, 255, 255, 0.85); max-width: 60ch; margin-bottom: 0; }
.hero-grid { display: grid; grid-template-columns: auto 1fr; gap: var(--space-10); align-items: center; }
@media (max-width: 720px) { .hero-grid { grid-template-columns: 1fr; gap: var(--space-6); } }

/* ── Generic grids / rows ─────────────────────────────────── */
.grid { display: grid; gap: var(--space-5); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Auto-fitting form grid — used by full-width admin forms (client create/edit).
   Columns are found from the available width instead of fixed at 2, so the same
   markup is 2-up on a laptop and 3-4-up on a wide screen. */
.form-grid { display: grid; gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.form-grid .field-wide { grid-column: 1 / -1; }
@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .app { grid-template-columns: 1fr; }

  /* Sidebar → sticky top bar: horizontal scrollable nav + the account control. */
  .sidebar {
    position: sticky; top: 0; z-index: 40; height: auto;
    flex-direction: row; align-items: center; gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
  }
  .sidebar .brand, .sidebar .spacer, .sidebar .section-label { display: none; }

  /* The nav itself must go horizontal (it's a column by default). */
  .sidebar nav { flex-direction: row; flex: 1 1 auto; gap: var(--space-1); overflow-x: auto; scrollbar-width: none; }
  .sidebar nav::-webkit-scrollbar { display: none; }
  .sidebar nav a {
    flex: 0 0 auto; flex-direction: column; align-items: center; gap: 3px;
    white-space: nowrap; font-size: 11px; padding: var(--space-2) var(--space-3);
  }
  .sidebar nav a .ico { width: 20px; height: 20px; flex: 0 0 20px; }

  /* Account control: icon only, pinned to the end; popover opens DOWNWARD. */
  .sidebar .foot { flex: 0 0 auto; border-top: 0; margin: 0; padding: 0; }
  .sidebar .foot .account-label, .sidebar .foot .account-caret { display: none; }
  .sidebar .foot .account-trigger { width: auto; padding: var(--space-2); }
  .account-menu { top: calc(100% + 6px); bottom: auto; left: auto; right: 0; min-width: 200px; }

  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .main { padding: var(--space-5); }
}

.row { display: flex; gap: var(--space-3); align-items: center; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: var(--space-3); }

.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); } .mt-6 { margin-top: var(--space-6); } .mt-8 { margin-top: var(--space-8); } .mt-10 { margin-top: var(--space-10); }
.mb-2 { margin-bottom: var(--space-2); } .mb-3 { margin-bottom: var(--space-3); } .mb-4 { margin-bottom: var(--space-4); } .mb-6 { margin-bottom: var(--space-6); } .mb-8 { margin-bottom: var(--space-8); }

/* ── Guest (login / 2fa) ──────────────────────────────────── */
.guest-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-6);
  position: relative;
  z-index: 1;
}
.guest-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.guest-card h1 { font-size: 24px; margin-bottom: var(--space-2); }
.guest-card .sub { color: var(--color-muted); margin-bottom: var(--space-6); }

/* Text wordmark above the login form (swap for an <img> logo later). */
.brand-mark {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* Practice name on a per-practice branded login (/login/{slug}). */
.guest-card .practice-name {
  font-size: 26px;
  line-height: 1.15;
  margin-bottom: var(--space-2);
}

/* ── Client shell overrides (clean SaaS, no gradients) ────────
   Scoped to .app.client so the admin sidebar keeps its own look. */
.app.client .brand { color: var(--color-text); }
.app.client .sidebar nav a.active {
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  color: var(--color-text);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-accent) 35%, transparent);
}
.app.client .sidebar nav a.active .ico { color: var(--color-accent); opacity: 1; }
/* Flatten the dashboard hero banner — no gradient on the client side. */
.app.client .hero {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  box-shadow: none;
}
.app.client .hero::after { display: none; }
.app.client .hero .eyebrow { color: var(--color-accent); }
.app.client .hero h1 { color: var(--color-text); }
.app.client .hero .lede { color: var(--color-muted); }

/* ── Client portal (legacy top-bar layout — unused after sidebar revamp) ── */
.cl-top {
  display: flex; align-items: center; gap: var(--space-5);
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-border-soft);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
}
.cl-id { display: flex; align-items: center; gap: var(--space-3); }
.cl-logo {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: var(--gradient-brand); color: #fff; font-weight: 800; font-size: 18px;
  box-shadow: var(--glow-accent);
}
.cl-brand { font-weight: 700; font-size: 16px; letter-spacing: -0.01em; line-height: 1.15; }
.cl-brand small { display: block; font-weight: 500; color: var(--color-muted); font-size: 12px; }
.cl-nav { display: flex; gap: 2px; margin-left: var(--space-4); }
.cl-nav a {
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-md);
  color: var(--color-muted); font-weight: 600; font-size: 14px;
}
.cl-nav a:hover { color: var(--color-text); text-decoration: none; }
.cl-nav a.active { background: var(--gradient-brand); color: #fff; }
.cl-actions { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }
.cl-link { background: none; border: 0; cursor: pointer; font: inherit; font-size: 13px; color: var(--color-muted); padding: 0; }
.cl-link:hover { color: var(--color-text); }
.cl-actions form { margin: 0; }
.theme-toggle.compact { width: auto; padding: var(--space-2); }
.cl-main { max-width: 1080px; margin: 0 auto; padding: var(--space-8) var(--space-6) var(--space-12); }
.cl-subbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); color: var(--color-muted); }
@media (max-width: 760px) {
  .cl-top { flex-wrap: wrap; gap: var(--space-3); }
  .cl-nav { order: 3; width: 100%; margin-left: 0; overflow-x: auto; }
  .cl-actions { margin-left: auto; }
}