:root {
  color-scheme: light;
  --bg: #f4f2ea;
  --panel: #fffaf2;
  --ink: #1f2a2e;
  --muted: #607076;
  --line: #d7cfc0;
  --accent: #c46a2e;
  --accent-strong: #9f4c13;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #fff8eb, var(--bg) 55%);
  color: var(--ink);
}

a {
  color: var(--accent-strong);
}

.shell-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 242, 0.9);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent-strong);
}

.shell-header h1,
.login-card h1,
.panel h2,
.card h2 {
  margin: 0;
}

.shell-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.shell-nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
}

.shell-nav a.active,
.shell-nav a:hover {
  background: rgba(196, 106, 46, 0.12);
  color: var(--accent-strong);
}

.page-shell {
  padding: 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card,
.panel,
.login-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(120, 97, 63, 0.08);
}

.card,
.panel {
  padding: 1.25rem;
}

.meta,
.hint {
  color: var(--muted);
}

.button-link,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: white;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button-link:hover,
button:hover {
  background: var(--accent-strong);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-weight: 600;
}

input,
select {
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 0.75rem 0.9rem;
  font: inherit;
  background: white;
}

.advanced {
  opacity: 0.9;
}

.checkbox-row {
  flex-direction: row;
  align-items: center;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login-card {
  width: min(420px, 100%);
  padding: 2rem;
}

@media (max-width: 720px) {
  .shell-header,
  .page-shell {
    padding: 1rem;
  }
}