:root {
  --bg: #f2ede2;
  --bg-strong: #e7dbc7;
  --panel: rgba(255, 250, 241, 0.9);
  --panel-strong: rgba(255, 248, 235, 0.98);
  --line: rgba(88, 61, 35, 0.14);
  --text: #2c2117;
  --muted: #70563e;
  --accent: #b65d2f;
  --accent-strong: #8f4219;
  --accent-soft: rgba(182, 93, 47, 0.14);
  --success: #2d7e54;
  --danger: #ae3f32;
  --shadow: 0 22px 50px rgba(83, 49, 18, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-sans: "Avenir Next", "PingFang SC", "Helvetica Neue", sans-serif;
  --font-serif: "Georgia", "Songti SC", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(206, 140, 76, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(88, 140, 103, 0.18), transparent 24%),
    linear-gradient(180deg, #f8f2e9 0%, var(--bg) 45%, #e9dfd0 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background-image:
    linear-gradient(rgba(84, 62, 38, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84, 62, 38, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.52), transparent);
}

a { color: inherit; }

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  width: min(1320px, calc(100vw - 32px));
  margin: 24px auto 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.brand-block h1,
.brand-block h2,
.brand-block p {
  margin: 0;
}

.brand-block h1,
.brand-block h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-block p {
  margin-top: 6px;
  color: var(--muted);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.surface {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.button,
.button-ghost,
.button-danger {
  border: none;
  border-radius: 999px;
  cursor: pointer;
  padding: 0.78rem 1.2rem;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button {
  color: #fff8ef;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 10px 24px rgba(143, 66, 25, 0.25);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.6);
  color: var(--text);
  border: 1px solid var(--line);
}

.button-danger {
  color: #fff;
  background: var(--danger);
}

.button:hover,
.button-ghost:hover,
.button-danger:hover {
  transform: translateY(-1px);
}

.field {
  display: grid;
  gap: 8px;
}

.field label,
.section-label {
  color: var(--muted);
  font-size: 0.94rem;
}

.control {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  padding: 0.88rem 1rem;
  color: var(--text);
}

.control:focus {
  outline: 2px solid rgba(182, 93, 47, 0.22);
  border-color: rgba(182, 93, 47, 0.35);
}

.notice {
  min-height: 24px;
  color: var(--danger);
  font-size: 0.94rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.88rem;
}

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

@media (max-width: 900px) {
  .page-shell {
    width: min(100vw - 20px, 1320px);
    margin-top: 16px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}