:root {
  --bg: #f5f2eb;
  --ink: #1b1b1b;
  --muted: #5c5c5c;
  --accent: #0f6f5c;
  --card: #ffffff;
  --border: #d9d2c7;
  --shadow: 0 12px 30px rgba(20, 20, 20, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Fraunces", "Georgia", serif;
  background: radial-gradient(circle at top, #ffffff 0%, var(--bg) 60%);
  color: var(--ink);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8vw;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.site-header .logo {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-header nav a {
  margin-left: 16px;
  font-size: 0.95rem;
}

.content {
  padding: 32px 8vw 64px;
}

.panel {
  background: var(--card);
  padding: 32px;
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.stack {
  display: grid;
  gap: 16px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.field span {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 1rem;
  font-family: "Source Sans 3", "Helvetica Neue", sans-serif;
}

textarea {
  min-height: 200px;
}

button {
  background: var(--accent);
  color: #ffffff;
  border: none;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 1rem;
  cursor: pointer;
  width: fit-content;
}

button:hover {
  filter: brightness(0.95);
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #faf7f1;
}

.history-item .actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.muted {
  color: var(--muted);
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: #faf7f1;
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .history-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}