:root {
  --sor-bg: #fff7f6;
  --sor-surface: #f8efef;
  --sor-text: #3d1f1f;
  --sor-primary: #932424;
  --sor-accent: #b24141;
  --sor-border: #ead1d1;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--sor-bg);
  color: var(--sor-text);
  font-family: 'Poppins', Arial, sans-serif;
  padding-top: 64px; /* space for fixed header */
}

.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: #ffffffcc;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sor-border);
  z-index: 1000;
}

.app-brand a {
  color: var(--sor-primary);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.app-nav {
  display: flex;
  gap: 16px;
}

.app-nav a {
  color: var(--sor-text);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
}

.app-nav a.active, .app-nav a:hover {
  background: var(--sor-surface);
}

.app-user { display: flex; align-items: center; gap: 8px; }
.app-user .btn {
  padding: 6px 10px;
  border: 1px solid var(--sor-border);
  background: #fff;
  color: var(--sor-text);
  border-radius: 8px;
  cursor: pointer;
}
.app-user .btn:hover { background: var(--sor-surface); }

.app-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .app-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; padding: 8px 16px; border-bottom: 1px solid var(--sor-border); }
  .app-nav.show { display: flex; flex-direction: column; }
  .app-nav-toggle { display: block; }
}

.app-main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px;
}

.app-footer {
  border-top: 1px solid var(--sor-border);
  padding: 16px;
  text-align: center;
  color: #846b6b;
}