/* =========================================================
 * 知识库广场样式（plaza.css）
 * ========================================================= */

.plaza-wrap { max-width: 1180px; margin: 0 auto; padding: 28px 24px 60px; }

/* ---------- 头图 ---------- */
.plaza-hero { text-align: center; padding: 26px 0 8px; }
.plaza-hero h1 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 30px; font-weight: 900; letter-spacing: 2px;
  background: linear-gradient(90deg, #ff6b35, #8338ec, #00b4d8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.plaza-hero p { color: #8a94a6; font-size: 13.5px; margin-top: 8px; }

/* ---------- 工具条 ---------- */
.plaza-toolbar { display: flex; align-items: center; margin: 22px 0 18px; }
.plaza-tabs { display: flex; gap: 8px; }
.plaza-tab {
  border: 1.5px solid #eceef5; background: #fff; color: #6b7280;
  padding: 7px 22px; border-radius: 20px; font-size: 13px; font-weight: 700; cursor: pointer;
  transition: all .18s;
}
.plaza-tab:hover { border-color: #ffb38a; color: #ff6b35; }
.plaza-tab.active {
  background: linear-gradient(135deg, #ff6b35, #ff8f5e); border-color: transparent; color: #fff;
  box-shadow: 0 6px 18px -8px rgba(255, 107, 53, .55);
}
.plaza-toolbar .kn-btn { margin-left: auto; }

/* ---------- 卡片网格 ---------- */
.plaza-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px;
}
.plaza-card {
  background: #fff; border-radius: 18px; padding: 20px 22px 16px;
  border: 1px solid #f0e9e2; box-shadow: 0 10px 30px -18px rgba(40, 30, 20, .25);
  transition: transform .2s, box-shadow .2s; position: relative; overflow: hidden;
}
.plaza-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--pc, #ff6b35);
}
.plaza-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -20px rgba(40, 30, 20, .35); }

.plaza-card-top { display: flex; align-items: center; }
.plaza-ico {
  width: 46px; height: 46px; border-radius: 14px; background: #f7f4ef;
  display: flex; align-items: center; justify-content: center; font-size: 24px;
}
.plaza-vis {
  margin-left: auto; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
}
.plaza-vis.v1 { background: #e7fbf2; color: #06a96e; }
.plaza-vis.v2 { background: #eef0f6; color: #6b7280; }
.plaza-vis.v3 { background: #fff2e8; color: #e2711d; }

.plaza-name {
  margin: 14px 0 6px; font-size: 17px; font-weight: 800; color: #2b2f44;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.plaza-desc {
  color: #8a94a6; font-size: 12.5px; line-height: 1.7; height: 42px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.plaza-meta {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px;
  color: #a5abbd; font-size: 11.5px;
}
.plaza-actions { margin-top: 14px; padding-top: 12px; border-top: 1px dashed #f0e9e2; display: flex; gap: 8px; }

.plaza-empty { grid-column: 1 / -1; text-align: center; padding: 70px 20px; color: #a5abbd; }
.plaza-empty-ico { font-size: 44px; margin-bottom: 12px; }
.plaza-loading { grid-column: 1 / -1; text-align: center; padding: 60px; color: #a5abbd; }

/* ---------- 新建 / 编辑弹窗 ---------- */
.plaza-mask {
  position: fixed; inset: 0; background: rgba(20, 22, 38, .5); z-index: 1000;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.plaza-mask.show { display: flex; }
.plaza-modal {
  background: #fff; border-radius: 18px; width: 520px; max-width: 100%; max-height: 92vh; overflow: auto;
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .4); animation: plazaPop .22s ease;
}
@keyframes plazaPop { from { transform: translateY(14px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.plaza-modal-head { padding: 16px 20px; border-bottom: 1px solid #f0e9e2; display: flex; align-items: center; }
.plaza-modal-head h3 { font-size: 16px; font-weight: 800; color: #2b2f44; }
.plaza-modal-close { margin-left: auto; cursor: pointer; color: #a5abbd; font-size: 18px; }
.plaza-modal-body { padding: 18px 20px 6px; }
.plaza-modal-foot { padding: 14px 20px; border-top: 1px solid #f0e9e2; display: flex; justify-content: flex-end; gap: 10px; }

.plaza-form-item { margin-bottom: 14px; }
.plaza-form-item > label { display: block; font-size: 12px; color: #6b7280; margin-bottom: 6px; font-weight: 700; }
.plaza-form-item > label i { color: #ff6b35; font-style: normal; }
.plaza-input {
  width: 100%; height: 38px; border: 1.5px solid #e5e7f0; border-radius: 10px;
  padding: 0 12px; font-size: 13px; color: #2b2f44; outline: none; background: #fff;
}
.plaza-input:focus { border-color: #ff8f5e; box-shadow: 0 0 0 3px rgba(255, 107, 53, .12); }
.plaza-form-row { display: flex; gap: 12px; }
.plaza-form-row .plaza-form-item { flex: 1; }

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
  .plaza-wrap { padding: 16px 14px 40px; }
  .plaza-hero h1 { font-size: 24px; }
  .plaza-toolbar { flex-wrap: wrap; gap: 10px; }
  .plaza-toolbar .kn-btn { margin-left: 0; }
  .plaza-grid { grid-template-columns: 1fr; }
}