:root {
  --bg: #f4f0e8;
  --card: #fffdf8;
  --ink: #1f2a24;
  --muted: #5c6b63;
  --teal: #1b6b5c;
  --accent: #c45c26;
  --line: #d9e2dc;
  --ok: #1b6b5c;
  --err: #a33b2b;
  --warn: #8a6d3b;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(ellipse at top, #e4efe9 0%, transparent 55%),
    var(--bg);
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

header.top a {
  color: var(--teal);
  text-decoration: none;
  font-weight: 600;
}

.brand {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--teal);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.35rem 1.4rem;
  box-shadow: 0 8px 24px rgba(31, 42, 36, 0.06);
}

h1 { margin: 0 0 0.5rem; font-size: 1.6rem; }
h2 { margin: 1.5rem 0 0.75rem; font-size: 1.15rem; }
p.lead { color: var(--muted); line-height: 1.7; margin-top: 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-teal { background: var(--teal); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--teal);
  border: 1px solid var(--teal);
}

label {
  display: block;
  margin: 0.85rem 0 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
}

.flash {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.flash.ok { background: #e7f4ef; color: var(--ok); }
.flash.error { background: #f8e8e5; color: var(--err); }
.flash.info { background: #eef2f7; color: #3d5a80; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 0.65rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
th { color: var(--muted); font-weight: 600; }

.muted { color: var(--muted); font-size: 0.9rem; }
.row-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.watch-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.watch-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.watch-item video {
  display: block;
}

@media (max-width: 640px) {
  .wrap { padding: 1rem 0.85rem 2rem; }
  header.top { flex-direction: column; align-items: flex-start; }
}