:root {
  --parchment: #f4ecd8;
  --parchment-dark: #e8dcc0;
  --ink: #2a2118;
  --ink-soft: #5a4a3a;
  --accent: #7a4a2a;
  --accent-soft: #a67c52;
  --card: #fffaf0;
  --line: #c9b896;
  --year: #3d2f22;
  --shadow: rgba(42, 33, 24, 0.12);
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: radial-gradient(ellipse at top, #faf3e3 0%, var(--parchment) 55%, #e6d7b8 100%);
  color: var(--ink);
  font-family: var(--serif);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header.app-header {
  flex: 0 0 auto;
  padding: 0.85rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,250,240,0.95), rgba(244,236,216,0.92));
  box-shadow: 0 2px 10px var(--shadow);
  z-index: 5;
}

header h1 {
  margin: 0 0 0.15rem;
  font-size: 1.45rem;
  letter-spacing: 0.02em;
  font-weight: 600;
  color: var(--year);
}

header .subtitle {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
  font-style: italic;
}

footer.app-footer {
  flex: 0 0 auto;
  padding: 0.45rem 1.25rem;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--ink-soft);
  background: rgba(255,250,240,0.7);
}

.loading {
  padding: 2rem;
  text-align: center;
  color: var(--ink-soft);
  font-style: italic;
}

/* section nav */
.app-nav { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 0.2rem 0 0.55rem; font-family: var(--sans); }
.app-nav a { display: inline-flex; align-items: center; gap: 5px; min-height: 34px; padding: 3px 12px; border: 1px solid var(--line); border-radius: 18px; background: #fffdf8; color: var(--ink); text-decoration: none; font-size: 14px; }
.app-nav a:hover { background: #f4ecdd; }
.app-nav a.on { background: var(--accent); border-color: var(--accent); color: #fff8ee; }
.app-nav a:focus-visible { outline: 2px solid #7a5b2e; outline-offset: 2px; }