* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 1.5rem; font-weight: 600; margin: 0 0 0.5rem; }
h2 { font-size: 1.1rem; font-weight: 600; margin: 2rem 0 0.75rem; }
p { line-height: 1.5; }
.muted, .page-subtitle, .auth-subtitle { color: var(--color-text-muted); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

a { color: var(--color-primary); }

/* --- Buttons --- */
.btn {
  font: inherit;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.55rem 1rem;
  cursor: pointer;
}
.btn:hover { border-color: var(--color-primary); }
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 600;
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-block { width: 100%; }
.btn-small { padding: 0.3rem 0.6rem; font-size: 0.85rem; }

/* --- Forms --- */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.9rem; margin-bottom: 0.3rem; font-weight: 500; }
.field-hint { font-size: 0.8rem; color: var(--color-text-muted); margin: 0.35rem 0 0; }
.input {
  font: inherit;
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}
.input:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.input-code { letter-spacing: 0.3em; font-size: 1.2rem; text-align: center; }

/* --- Cards / surfaces --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

/* --- Flash messages --- */
.flash { border-radius: var(--radius); padding: 0.75rem 1rem; margin: 0.75rem 0; font-size: 0.95rem; }
.flash-error { background: var(--color-error-bg); color: var(--color-error-text); }
.flash-success { background: var(--color-success-bg); color: var(--color-success-text); }
.flash-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }
.reveal-secret code { display: block; font-size: 1.1rem; margin: 0.4rem 0; user-select: all; }

/* --- Badges --- */
.badge { display: inline-block; border-radius: 999px; padding: 0.15rem 0.6rem; font-size: 0.8rem; }
.badge-success { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-muted { background: var(--color-surface-muted); color: var(--color-text-muted); }

/* --- Public (login / 2FA) pages --- */
.auth-center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}
.brand { font-weight: 700; color: var(--color-primary); margin-bottom: 1rem; }
.resend-hint { font-size: 0.85rem; color: var(--color-text-muted); text-align: center; margin-top: 1rem; }
.auth-card form + form { margin-top: 0.75rem; text-align: center; }

/* --- Authenticated app shell --- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 1.25rem 1rem;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 0.25rem; margin-top: 1.5rem; }
.nav-link { padding: 0.5rem 0.7rem; border-radius: var(--radius); color: var(--color-text); text-decoration: none; }
.nav-link:hover { background: var(--color-surface-muted); }
.nav-link-active { background: var(--color-surface-muted); color: var(--color-primary); font-weight: 600; }

.main-column { flex: 1; min-width: 0; }
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}
.topbar-title { font-weight: 600; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 0.75rem; }
.topbar-user { color: var(--color-text-muted); font-size: 0.9rem; }
.theme-toggle { background: transparent; border: none; font-size: 1.1rem; cursor: pointer; }
.mobile-nav-toggle { display: none; background: transparent; border: none; font-size: 1.2rem; cursor: pointer; }
.mobile-nav { display: none; flex-direction: column; padding: 0.5rem 1rem; border-bottom: 1px solid var(--color-border); }
.page-content { padding: 1.5rem; max-width: 900px; }

/* --- Dashboard cards --- */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; margin-top: 1rem; }
.module-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  text-decoration: none;
  color: var(--color-text);
}
.module-card:hover { border-color: var(--color-primary); }
.module-card-icon { font-size: 1.5rem; }
.module-card-title { font-weight: 600; }
.module-card-desc { font-size: 0.85rem; color: var(--color-text-muted); }
.empty-state {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--color-text-muted);
}

/* --- Admin table --- */
.user-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.user-table th, .user-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.user-table th { background: var(--color-surface-muted); font-size: 0.85rem; }
.actions-cell { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: flex-start; }
.row-action summary { list-style: none; }
.row-action summary::-webkit-details-marker { display: none; }
.reauth-form { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 0.4rem; }
.reauth-form label { font-size: 0.8rem; color: var(--color-text-muted); }
.reauth-form .input { width: 160px; padding: 0.3rem 0.5rem; }
.inline-form { display: inline; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .mobile-nav-toggle { display: block; }
  .mobile-nav.mobile-nav-open { display: flex; }
  .page-content { padding: 1rem; }
  .actions-cell { flex-direction: column; align-items: stretch; }
}