/* ── Reset & Base ───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #f5f7fa;
  color: #1a1a2e;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; max-width: 640px; width: 100%; margin: 0 auto; padding: 2rem 1rem; }

/* ── Header / Footer ────────────────────────────── */
header {
  background: #1a1a2e;
  color: #fff;
  text-align: center;
  padding: 1.5rem 1rem;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: #888;
}

/* ── Flash Messages ─────────────────────────────── */
.flash {
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
}
.flash.success { background: #d4edda; color: #155724; }
.flash.error   { background: #f8d7da; color: #721c24; }
.flash.info    { background: #d1ecf1; color: #0c5460; }

/* ── Form ───────────────────────────────────────── */
.form-section {
  background: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,.1);
  margin-bottom: 2rem;
}

.form-section h2 { margin-bottom: 1rem; }

.field { margin-bottom: 1rem; }

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.field input[type="text"] {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

.field input:focus { outline: none; border-color: #1a1a2e; }

.error { color: #dc3545; font-size: 0.85rem; }

button[type="submit"] {
  background: #1a1a2e;
  color: #fff;
  border: none;
  padding: 0.6rem 1.5rem;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

button[type="submit"]:hover { background: #16213e; }

/* ── Entries ────────────────────────────────────── */
.entries-section h2 { margin-bottom: 1rem; }

.entries { list-style: none; }

.entry {
  background: #fff;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
  margin-bottom: 0.75rem;
}

.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.35rem;
}

.entry-header time { font-size: 0.8rem; color: #888; }

.entry p { margin-bottom: 0.5rem; }

.btn-delete {
  background: none;
  border: 1px solid #dc3545;
  color: #dc3545;
  padding: 0.2rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
}

.btn-delete:hover { background: #dc3545; color: #fff; }

.empty { color: #888; font-style: italic; }