:root {
  color-scheme: light;
  --color-bg: #f4f6f8;
  --color-bg-elevated: #ffffff;
  --color-surface: #ffffff;
  --color-surface-soft: #eef2f5;
  --color-text: #17202a;
  --color-text-strong: #0f1720;
  --color-muted: #607080;
  --color-border: #d4dce4;
  --color-accent: #a8271c;
  --color-accent-soft: #f5dfdc;
  --color-accent-contrast: #ffffff;
  --color-danger: #b42318;
  --color-warning: #9a5b11;
  --color-warning-soft: #f9edd2;
  --shadow-sm: 0 1px 2px rgba(15, 23, 32, .06);
  --mobile-nav-height: 4.75rem;
}
:root[data-theme="dark"], .dark {
  color-scheme: dark;
  --color-bg: #11161d;
  --color-bg-elevated: #171d25;
  --color-surface: #1d2530;
  --color-surface-soft: #252f3b;
  --color-text: #e7edf4;
  --color-text-strong: #f7fafc;
  --color-muted: #a8b4c2;
  --color-border: #344150;
  --color-accent: #d4574d;
  --color-accent-soft: rgba(168, 39, 28, .22);
  --color-accent-contrast: #161b22;
}
@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    color-scheme: dark;
    --color-bg: #11161d;
    --color-bg-elevated: #171d25;
    --color-surface: #1d2530;
    --color-surface-soft: #252f3b;
    --color-text: #e7edf4;
    --color-text-strong: #f7fafc;
    --color-muted: #a8b4c2;
    --color-border: #344150;
    --color-accent: #d4574d;
    --color-accent-soft: rgba(168, 39, 28, .22);
    --color-accent-contrast: #161b22;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; }
.app-shell { min-height: 100vh; }
.app-shell-public { display: grid; min-height: 100vh; grid-template-rows: auto 1fr; }
.app-shell-public .app-frame { min-height: 0; }
.desktop-nav { display: none; }
.topbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-height: 4rem;
  padding: .625rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}
.app-shell-public .topbar { justify-content: space-between; }
.brand-mark {
  display: inline-flex;
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: .875rem;
  background: var(--color-surface-soft);
}
.brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.mobile-brand, .brand-lockup { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; font-weight: 800; }
.app-shell-public .mobile-brand { display: inline-flex; }
.topbar-search { flex: 1; }
.topbar-search input, input, select, textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: .65rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: .75rem;
  background: var(--color-bg-elevated);
  color: var(--color-text);
}
.form-grid { display: grid; gap: 1rem; }
.form-field, label { display: grid; align-self: start; gap: .4rem; min-width: 0; font-weight: 800; }
.form-field-full { grid-column: 1 / -1; }
.topbar-actions { display: inline-flex; gap: .5rem; }
.topbar-logout { display: none; margin: 0; }
.user-chip { display: none; }
.content { width: min(100%, 76rem); margin: 0 auto; padding: 1rem 1rem calc(var(--mobile-nav-height) + 1.5rem); }
.app-shell-public .content { display: grid; width: min(100%, 58rem); min-height: calc(100vh - 4rem); align-items: center; padding: clamp(1.25rem, 5vw, 3rem) 1rem; }
.page-header, .hero-panel, .section-card, .panel, .list-card {
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}
.brand-hero-copy { display: flex; align-items: center; gap: .9rem; }
.brand-hero-logo { width: 4.75rem; height: 4.75rem; flex: 0 0 auto; object-fit: contain; }
.app-shell-public .brand-hero { width: 100%; align-items: center; margin: 0 auto; }
.app-shell-public .brand-hero-copy { align-items: center; }
.app-shell-public .page-actions { align-items: stretch; }
.app-shell-public .page-actions > * { width: 100%; }
.button, .button-primary, .button-secondary, .button-danger, .icon-button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border-radius: .75rem;
  font-weight: 850;
  text-decoration: none;
}
.button, .button-primary { padding: 0 1rem; border: 1px solid var(--color-accent); background: var(--color-accent); color: var(--color-accent-contrast); }
.button-secondary { padding: 0 1rem; border: 1px solid var(--color-border); background: var(--color-surface); }
.button-danger { padding: 0 1rem; border: 1px solid var(--color-danger); background: var(--color-danger); color: #fff; }
.icon-button { width: 2.75rem; border: 1px solid var(--color-border); background: var(--color-surface); }
.mobile-nav {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: .45rem .65rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}
.mobile-nav-link { display: flex; min-height: 3.25rem; flex-direction: column; align-items: center; justify-content: center; border: 0; background: transparent; color: var(--color-muted); text-decoration: none; }
.mobile-nav-link.is-active { border-radius: .875rem; background: var(--color-accent-soft); color: var(--color-accent); }
.mobile-more[hidden], .desktop-table { display: none; }
.table, .data-table { width: 100%; border-collapse: collapse; }
.table th, .table td, .data-table th, .data-table td { padding: .85rem; border-bottom: 1px solid var(--color-border); text-align: left; }
.badge, .tag { display: inline-flex; border-radius: 999px; padding: .25rem .6rem; font-weight: 850; }
.badge { background: var(--color-accent-soft); color: var(--color-accent); }
.tag { border: 1px solid var(--color-border); color: var(--color-muted); }
.dev-banner { display: flex; justify-content: center; gap: .5rem; padding: .6rem 1rem; background: var(--color-warning-soft); color: var(--color-warning); font-weight: 800; }
@media (min-width: 760px) { .mobile-list { display: none; } .desktop-table { display: block; } .user-chip { display: inline-flex; } .topbar-logout { display: block; } .app-shell-public .content { padding-inline: 2rem; } .app-shell-public .page-actions { align-self: center; justify-content: flex-end; } .app-shell-public .page-actions > * { width: auto; } }
@media (min-width: 980px) {
  .app-shell-authenticated { display: grid; grid-template-columns: 17rem minmax(0, 1fr); }
  .desktop-nav { display: flex; min-height: 100vh; flex-direction: column; gap: 1.4rem; padding: 1.1rem; border-right: 1px solid var(--color-border); background: var(--color-bg-elevated); }
  .nav-link { display: flex; min-height: 2.85rem; align-items: center; gap: .75rem; padding: .65rem .75rem; border-radius: .8rem; color: var(--color-muted); text-decoration: none; }
  .nav-link.is-active { background: var(--color-accent-soft); color: var(--color-accent); }
  .mobile-nav, .mobile-more, .mobile-brand { display: none; }
  .content { padding: 1.6rem 2rem 2.5rem; }
}