/* ========== Perlight 工具站 · 简洁中性主题 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #e5e6eb;
  --border-strong: #d0d3da;
  --text: #1f2329;
  --text-2: #646a73;
  --text-3: #8f959e;
  --accent: #6b4fd8;        /* 单一品牌紫 */
  --accent-hover: #5a3fc4;
  --accent-soft: #f0edfb;
  --green: #198754;
  --red: #d64545;
  --yellow: #b8860b;
  --blue: #2b6cb0;
}

body {
  font-family: "PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 14px;
}

/* ---- 顶部条 ---- */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1000px; margin: 0 auto; padding: 0 20px;
  height: 52px; display: flex; align-items: center; justify-content: space-between;
}
.topbar .brand { font-weight: 600; color: var(--text); text-decoration: none; font-size: 15px; }
.topbar .brand small { color: var(--text-3); font-weight: 400; margin-left: 8px; }
.topbar nav { display: flex; gap: 16px; }
.topbar nav a { color: var(--text-2); text-decoration: none; font-size: 13px; }
.topbar nav a:hover { color: var(--accent); }
.topbar nav a.active { color: var(--accent); font-weight: 600; }

/* ---- 导航首页 ---- */
.nav-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.nav-card {
  display: block; background: var(--card);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 18px; text-decoration: none; color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
.nav-card:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(107,79,216,.08); }
.nav-card .nc-title { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.nav-card .nc-desc { font-size: 13px; color: var(--text-2); margin-bottom: 10px; }
.nav-card .nc-go { font-size: 13px; color: var(--accent); }

/* ---- 布局 ---- */
.wrap { max-width: 1000px; margin: 0 auto; padding: 28px 20px 60px; }
.page-title { margin-bottom: 24px; }
.page-title h1 { font-size: 20px; font-weight: 600; }
.page-title p { color: var(--text-2); font-size: 13px; margin-top: 4px; }

.section { margin-bottom: 32px; }
.section-title {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.section-title h2 { font-size: 16px; font-weight: 600; }
.section-title span { font-size: 12px; color: var(--text-3); }

/* ---- 卡片 ---- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---- 表单 ---- */
label { display: block; font-size: 13px; color: var(--text-2); margin: 12px 0 4px; }
label.req::after { content: " *"; color: var(--red); }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 8px 10px; border-radius: 6px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  color: var(--text); font-size: 14px; font-family: inherit;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 80px; }
.hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 800px) { .form-row { grid-template-columns: 1fr; } }

/* ---- 按钮 ---- */
.btn {
  display: inline-block; border: none; cursor: pointer;
  background: var(--accent); color: #fff;
  padding: 8px 18px; border-radius: 6px;
  font-size: 14px; font-family: inherit;
}
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.full { width: 100%; }
.btn.ghost { background: var(--card); border: 1px solid var(--border-strong); color: var(--text); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 4px 12px; font-size: 13px; border-radius: 6px; }
.btn-ok { background: var(--green); }
.btn-ok:hover { background: #157347; }
.btn-no { background: var(--card); border: 1px solid var(--border-strong); color: var(--red); }
.btn-no:hover { border-color: var(--red); }
.btn-del { background: var(--card); border: 1px solid var(--border); color: var(--text-2); }
.btn-del:hover { border-color: var(--red); color: var(--red); }

/* ---- 文件拖拽区 ---- */
.dropzone {
  border: 1px dashed var(--border-strong);
  border-radius: 6px; padding: 16px; text-align: center;
  cursor: pointer; margin-top: 4px; color: var(--text-2); font-size: 13px;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .dz-name { word-break: break-all; }

/* ---- 列表 ---- */
.item-list { display: flex; flex-direction: column; gap: 8px; }
.list-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px;
}
.list-item .meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 4px; font-size: 12px; color: var(--text-3); }
.list-item h4 { margin: 0 0 2px; font-size: 14px; }
.list-item p { margin: 2px 0; color: var(--text-2); font-size: 13px; word-break: break-all; }
.list-item .row-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; align-items: center; }
.list-item .row-actions input[type=text] { flex: 1; min-width: 160px; }
.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px;
  display: flex; justify-content: space-between; gap: 10px;
}
.chart-card .cc-title { font-weight: 600; font-size: 14px; }
.chart-card .cc-artist { color: var(--text-2); font-size: 13px; }
.chart-card .cc-meta { display: flex; gap: 10px; margin-top: 3px; font-size: 12px; color: var(--text-3); flex-wrap: wrap; }
.chart-card .cc-side { text-align: right; flex-shrink: 0; font-size: 12px; color: var(--text-3); }
.empty-tip { text-align: center; color: var(--text-3); padding: 20px 0; font-size: 13px; }

/* ---- 标签 / 状态 ---- */
.badge { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; border: 1px solid var(--border); color: var(--text-2); }
.badge.pending, .badge.new { color: var(--yellow); border-color: rgba(184,134,11,.4); background: #fdf6e3; }
.badge.approved, .badge.resolved { color: var(--green); border-color: rgba(25,135,84,.4); background: #f0f9f4; }
.badge.rejected, .badge.closed { color: var(--red); border-color: rgba(214,69,69,.4); background: #fdf0f0; }
.badge.processing { color: var(--blue); border-color: rgba(43,108,176,.4); background: #f0f5fc; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 12px; background: var(--accent-soft); color: var(--accent); }

/* ---- 制谱器下载横幅 ---- */
.maker-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: linear-gradient(120deg, #5a3fc4, #7c5ce0 55%, #a78bfa);
  color: #fff; border-radius: 12px; padding: 18px 22px; margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(107,79,216,.28);
}
.maker-banner .mb-title { font-size: 17px; font-weight: 700; }
.maker-banner .mb-desc { font-size: 13px; opacity: .92; margin-top: 2px; }
.maker-banner .mb-hint { font-size: 12px; opacity: .85; margin-top: 6px; }
.maker-banner .mb-hint b { background: rgba(255,255,255,.2); padding: 0 6px; border-radius: 4px; }
.maker-banner .mb-btn {
  flex: none; background: #fff; color: #5a3fc4; font-weight: 700;
  padding: 10px 26px; border-radius: 8px; text-decoration: none; font-size: 15px;
  transition: transform .15s, box-shadow .15s;
}
.maker-banner .mb-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.18); }
@media (max-width: 600px) {
  .maker-banner { flex-direction: column; align-items: stretch; text-align: center; }
  .maker-banner .mb-btn { text-align: center; }
}

/* ---- 制谱器下载提示条（投稿页） ---- */
.maker-note {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  background: var(--accent-soft); border: 1px solid rgba(107,79,216,.25);
  border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-size: 13px; color: var(--text);
}
.maker-note a { color: var(--accent); font-weight: 600; text-decoration: none; }
.maker-note a:hover { text-decoration: underline; }

/* ---- 排行榜 ---- */
.rank-col { flex: none; display: flex; align-items: center; }
.rank-badge {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; flex: none;
  background: var(--accent-soft); color: var(--accent);
}
.rank-badge.r1 { background: linear-gradient(135deg, #f7d774, #e0a817); color: #fff; box-shadow: 0 2px 8px rgba(230,168,23,.35); }
.rank-badge.r2 { background: linear-gradient(135deg, #ccd1d9, #97a0ad); color: #fff; }
.rank-badge.r3 { background: linear-gradient(135deg, #e3ac7f, #bf7a45); color: #fff; }
.rank-note {
  margin-top: 6px; font-size: 12px; color: var(--text-2);
  background: var(--accent-soft); border-radius: 6px; padding: 6px 10px;
  word-break: break-all;
}

/* ---- 曲目投稿音频播放器 ---- */
.track-audio {
  display: block; width: 100%; max-width: 320px; height: 34px; margin-top: 8px;
  border-radius: 6px; background: var(--accent-soft);
}

/* ---- 公告 ---- */
.announce-list { display: flex; flex-direction: column; gap: 12px; }
.announce-item { border-left: 3px solid var(--border-strong); padding: 2px 0 2px 14px; }
.announce-item h3 { font-size: 14px; }
.announce-item .time { font-size: 12px; color: var(--text-3); }
.announce-item p { color: var(--text-2); font-size: 13px; }

/* ---- 查询结果 ---- */
.query-result { margin-top: 12px; padding: 10px 12px; border-radius: 6px; font-size: 13px; border: 1px solid var(--border); }
.query-result.ok { border-color: rgba(25,135,84,.4); background: #f0f9f4; }
.query-result.err { border-color: rgba(214,69,69,.4); background: #fdf0f0; color: var(--red); }
.hidden { display: none !important; }

/* ---- 未登录锁定区域 ---- */
.locked { pointer-events: none; opacity: .5; user-select: none; }

/* ---- Toast ---- */
.toast {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  background: #2b2f36; color: #fff; padding: 8px 20px;
  border-radius: 6px; z-index: 99; display: none; font-size: 13px;
  max-width: 86vw; text-align: center;
}
.toast.err { background: var(--red); }
.toast.ok { background: var(--green); }

/* ---- 页脚 ---- */
footer { border-top: 1px solid var(--border); margin-top: 20px; padding: 18px 0; }
.footer-inner { max-width: 1000px; margin: 0 auto; padding: 0 20px; text-align: center; color: var(--text-3); font-size: 12px; }
.footer-inner a { color: var(--text-2); text-decoration: none; }
.footer-inner a:hover { color: var(--accent); }

/* ---- 管理后台 ---- */
.admin-wrap { max-width: 1000px; margin: 0 auto; padding: 24px 20px 60px; }
.login-card { max-width: 340px; margin: 10vh auto; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 16px 0; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: center; }
.stat-card b { display: block; font-size: 22px; color: var(--accent); margin-bottom: 2px; }
.stat-card span { font-size: 12px; color: var(--text-2); }
.tabs { display: flex; gap: 6px; margin: 16px 0; flex-wrap: wrap; }
.tab-btn { background: var(--card); border: 1px solid var(--border-strong); color: var(--text-2); padding: 6px 14px; border-radius: 6px; cursor: pointer; font-size: 13px; }
.tab-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 13px; padding: 0; text-decoration: underline; }

/* ---- 投稿协议 ---- */
.agree-box { margin-top: 16px; padding: 12px 14px; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--card); }
.agree-title { font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 8px; }
.agree-item { display: flex; align-items: flex-start; gap: 8px; padding: 6px 0; cursor: pointer; font-size: 13px; color: var(--text); line-height: 1.5; }
.agree-item input { margin-top: 3px; accent-color: var(--accent); flex-shrink: 0; }
.agree-item:hover { color: var(--accent); }