:root {
  --orange: #FF991F;
  --yellow: #FFC53D;
  --cream: #FFF8EB;
  --ink: #2A2118;
  --muted: #7A6A58;
  --line: #EADCC6;
  --card: #FFFFFF;
  --danger: #C4472C;
  --ok: #2F7A4A;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(255, 153, 31, .18), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(255, 197, 61, .16), transparent 55%),
    var(--cream);
  min-height: 100vh;
}

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 960px; margin: 0 auto; padding: 24px 20px 48px; }

header.appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.brand { display: flex; align-items: baseline; gap: 10px; }
.brand strong { font-size: 1.45rem; letter-spacing: .02em; }
.brand span { color: var(--muted); font-size: .9rem; }

nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
nav a { color: var(--ink); font-weight: 600; }
nav a.active { color: var(--orange); }

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  padding: 10px 18px;
  cursor: pointer;
  font-size: .95rem;
}
.btn:hover { filter: brightness(.97); }
.btn.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn.danger { background: var(--danger); }
.btn.small { padding: 7px 12px; font-size: .85rem; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 10px 30px rgba(42, 33, 24, .04);
}

.hero {
  padding: 36px 28px;
  margin-bottom: 18px;
}
.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}
.hero p {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 36rem;
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat h3 {
  margin: 0 0 6px;
  font-size: .85rem;
  color: var(--muted);
  font-weight: 600;
}
.stat p {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--orange);
}

h1, h2 { margin: 0 0 14px; }

table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: .92rem;
}
th { color: var(--muted); font-weight: 600; }

.flash {
  padding: 10px 14px;
  border-radius: 12px;
  margin-bottom: 14px;
  font-weight: 600;
}
.flash.error { background: #FCE8E3; color: var(--danger); }
.flash.ok { background: #E7F5EC; color: var(--ok); }

.muted { color: var(--muted); }
.stack { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

label { display: block; font-weight: 600; margin-bottom: 6px; }
input[type=text],
input[type=password],
input[type=email],
input[type=search] {
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 1rem;
}
.field { margin-bottom: 14px; }
.login-card { max-width: 440px; margin: 4vh auto 0; }
.captcha-row {
  display: flex;
  gap: 10px;
  align-items: center;
}
.captcha-row input { flex: 1; min-width: 0; }
.captcha-img-btn {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0;
  background: #fff;
  cursor: pointer;
  line-height: 0;
  overflow: hidden;
}
.captcha-img-btn img { display: block; }
code {
  font-size: .85em;
  background: #FFF3DF;
  padding: 1px 6px;
  border-radius: 6px;
}