* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.5;
}
a { color: inherit; }
h1, h2, h3, h4 { margin: 0 0 .5rem 0; font-weight: 600; }
p { margin: 0 0 .75rem 0; }

.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.app-main { flex: 1; padding: 24px clamp(16px, 4vw, 40px) 48px; max-width: 1280px; width: 100%; margin: 0 auto; }

/* --- Navbar --- */
.navbar {
  display: flex; align-items: center; gap: 20px;
  padding: 0 clamp(16px, 4vw, 40px);
  height: 64px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 40;
}
.navbar-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; white-space: nowrap; }
.navbar-brand .brand-dot { width: 10px; height: 10px; border-radius: 3px; background: var(--color-primary); display: inline-block; }
.navbar-nav { display: flex; align-items: center; gap: 4px; flex: 1; overflow-x: auto; }
.nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px; font-weight: 500; text-decoration: none;
  color: var(--color-text-muted); white-space: nowrap; position: relative;
}
.nav-link:hover { background: var(--color-bg); color: var(--color-text); }
.nav-link.active { background: var(--color-primary); color: var(--color-primary-contrast); }
.nav-dropdown { position: relative; }
.nav-dropdown-panel {
  /* Invisible hover bridge: the padding-top closes the gap to the trigger so
     moving the mouse down into the menu doesn't lose :hover along the way. */
  position: absolute; top: 100%; left: 0; padding-top: 8px; display: none; z-index: 45;
}
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown.open .nav-dropdown-panel { display: block; }
.nav-dropdown-menu {
  min-width: 200px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(0,0,0,.12); padding: 6px; display: flex; flex-direction: column; gap: 2px;
}
.nav-dropdown-menu a { padding: 8px 10px; border-radius: var(--radius-sm); text-decoration: none; color: var(--color-text); font-size: 13px; }
.nav-dropdown-menu a:hover { background: var(--color-bg); }
.navbar-actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 36px; height: 36px; border-radius: 999px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 16px;
}
.icon-btn:hover { background: var(--color-bg); }

.user-menu { position: relative; }
.user-menu-trigger { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 4px 8px 4px 4px; border-radius: 999px; border: 1px solid var(--color-border); background: var(--color-surface); }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary); color: var(--color-primary-contrast); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; }
.user-menu-panel {
  position: absolute; top: calc(100% + 6px); right: 0; min-width: 220px;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(0,0,0,.12); padding: 10px; display: none; z-index: 50;
}
.user-menu.open .user-menu-panel { display: block; }
.user-menu-email { font-weight: 600; font-size: 13px; margin-bottom: 2px; word-break: break-all; }
.user-menu-role { font-size: 12px; color: var(--color-text-muted); margin-bottom: 10px; }

/* --- Cards / grid --- */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 20px; box-shadow: 0 1px 2px rgba(16,24,40,.04);
}
.card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-title { font-size: 15px; font-weight: 600; margin: 0; }
.card-subtitle { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 720px) { .card-grid { grid-template-columns: 1fr; } }
.card-stack { display: flex; flex-direction: column; gap: 18px; }

/* --- Forms --- */
.form-group { margin-bottom: 16px; }
label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 6px; color: var(--color-text-muted); }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 9px 12px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-bg); color: var(--color-text); font-size: 14px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--color-primary); background: var(--color-surface); }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row > * { flex: 1; min-width: 140px; }
.field-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }
.field-error { font-size: 12px; color: var(--color-danger); margin-top: 4px; min-height: 16px; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-weight: 600; font-size: 13.5px;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--color-bg); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-contrast); }
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-danger:hover { filter: brightness(0.92); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--color-bg); }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* --- Badges / chips --- */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; }
.badge-admin { background: color-mix(in srgb, var(--color-primary) 18%, transparent); color: var(--color-primary); }
.badge-user { background: color-mix(in srgb, var(--color-accent-blue) 18%, transparent); color: var(--color-accent-blue); }
.badge-invited { background: color-mix(in srgb, var(--color-warning) 20%, transparent); color: var(--color-warning); }
.badge-success { background: color-mix(in srgb, var(--color-success) 18%, transparent); color: var(--color-success); }
.badge-danger { background: color-mix(in srgb, var(--color-danger) 18%, transparent); color: var(--color-danger); }
.badge-muted { background: var(--color-bg); color: var(--color-text-muted); }

.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--color-border); background: var(--color-bg); font-size: 13px; font-weight: 500;
  cursor: pointer; user-select: none;
}
.chip.selected { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-contrast); }
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); }
th { color: var(--color-text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }

/* --- Alerts / toasts --- */
.alert { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 13.5px; margin-bottom: 14px; border: 1px solid transparent; }
.alert-danger { background: color-mix(in srgb, var(--color-danger) 12%, transparent); color: var(--color-danger); border-color: color-mix(in srgb, var(--color-danger) 30%, transparent); }
.alert-success { background: color-mix(in srgb, var(--color-success) 12%, transparent); color: var(--color-success); border-color: color-mix(in srgb, var(--color-success) 30%, transparent); }
.alert-info { background: color-mix(in srgb, var(--color-accent-blue) 12%, transparent); color: var(--color-accent-blue); border-color: color-mix(in srgb, var(--color-accent-blue) 30%, transparent); }

#toast-stack { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast {
  background: var(--color-surface); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm); padding: 10px 14px; box-shadow: 0 8px 24px rgba(0,0,0,.15); font-size: 13px; min-width: 220px;
  animation: toast-in .15s ease-out;
}
.toast.error { border-left-color: var(--color-danger); }
.toast.success { border-left-color: var(--color-success); }
@keyframes toast-in { from { transform: translateY(6px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* --- Modal --- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(10,12,16,.45); display: none;
  align-items: center; justify-content: center; z-index: 90; padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal { background: var(--color-surface); border-radius: var(--radius-lg); padding: 22px; max-width: 440px; width: 100%; box-shadow: 0 24px 60px rgba(0,0,0,.25); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* --- Auth pages --- */
.auth-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-logo { display: flex; align-items: center; gap: 10px; justify-content: center; margin-bottom: 22px; font-weight: 700; font-size: 18px; }
.auth-footer { text-align: center; margin-top: 18px; font-size: 13px; color: var(--color-text-muted); }
.auth-step { display: none; }
.auth-step.active { display: block; }
.qr-box { background: #fff; padding: 14px; border-radius: var(--radius-md); display: flex; justify-content: center; margin: 14px 0; }
.qr-box svg { width: 180px; height: 180px; }
.secret-box { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--color-bg); padding: 8px 10px; border-radius: var(--radius-sm); text-align: center; word-break: break-all; font-size: 13px; margin: 8px 0 14px; }
.totp-input { text-align: center; font-size: 22px; letter-spacing: 6px; font-family: ui-monospace, monospace; }

/* --- Misc --- */
.muted { color: var(--color-text-muted); }
.section-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-muted); margin: 22px 0 10px; }
.section-title:first-child { margin-top: 0; }
.divider { height: 1px; background: var(--color-border); margin: 18px 0; border: none; }
.empty-state { text-align: center; padding: 32px 16px; color: var(--color-text-muted); }
.footer-env { text-align: center; padding: 16px; font-size: 12px; color: var(--color-text-muted); }
.stat { font-size: 26px; font-weight: 700; }
.stat-label { font-size: 12.5px; color: var(--color-text-muted); }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.gap-8 { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }