/* ============= 反馈后台样式 ============= */
:root {
  --ad-primary: #3b82f6;
  --ad-primary-hover: #2563eb;
  --ad-text: #1f2937;
  --ad-text-muted: #6b7280;
  --ad-border: #e5e7eb;
  --ad-bg: #ffffff;
  --ad-bg-soft: #f9fafb;
  --ad-bg-page: #f3f4f6;
  --ad-warn-bg: #fef3c7;
  --ad-warn-text: #92400e;
  --ad-ok-bg: #d1fae5;
  --ad-ok-text: #065f46;
  --ad-error-bg: #fee2e2;
  --ad-error-text: #b91c1c;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--ad-text);
  background: var(--ad-bg-page);
}

/* ===== 登录页 ===== */
.ad-login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.ad-login-card {
  background: var(--ad-bg);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  padding: 32px;
  width: 360px;
  max-width: 100%;
}
.ad-login-title {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
}
.ad-login-sub {
  margin: 0 0 20px;
  color: var(--ad-text-muted);
}

.ad-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--ad-border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.ad-input:focus {
  border-color: var(--ad-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.ad-btn {
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.ad-btn-primary {
  background: var(--ad-primary);
  color: #fff;
}
.ad-btn-primary:hover { background: var(--ad-primary-hover); }
.ad-btn-primary:disabled { background: #93c5fd; cursor: not-allowed; }
.ad-btn-secondary {
  background: var(--ad-bg-soft);
  color: var(--ad-text);
  border: 1px solid var(--ad-border);
}
.ad-btn-secondary:hover { background: var(--ad-border); }
.ad-btn-ghost {
  background: transparent;
  color: var(--ad-text-muted);
}
.ad-btn-ghost:hover { color: var(--ad-text); background: var(--ad-bg-soft); }

.ad-msg {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.ad-msg-error { background: var(--ad-error-bg); color: var(--ad-error-text); }
.ad-msg-success { background: var(--ad-ok-bg); color: var(--ad-ok-text); }

/* ===== 主页面 ===== */
.ad-header {
  background: var(--ad-bg);
  border-bottom: 1px solid var(--ad-border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.ad-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ad-brand {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}
.ad-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}
.ad-stats {
  font-size: 13px;
  color: var(--ad-text-muted);
}
.ad-stats strong { color: var(--ad-error-text); }

.ad-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
}

.ad-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}
.ad-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ad-text-muted);
}
.ad-filter select {
  padding: 6px 10px;
  border: 1px solid var(--ad-border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: var(--ad-bg);
  cursor: pointer;
}

.ad-list-wrap {
  background: var(--ad-bg);
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  overflow: hidden;
}
.ad-list {
  width: 100%;
  border-collapse: collapse;
}
.ad-list th, .ad-list td {
  padding: 10px 14px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--ad-border);
  vertical-align: top;
}
.ad-list th {
  background: var(--ad-bg-soft);
  font-weight: 500;
  color: var(--ad-text-muted);
}
.ad-list tr:last-child td { border-bottom: none; }
.ad-list tr.ad-row-pending td {
  background: rgba(254, 243, 199, 0.3); /* 未解决高亮 */
}
.ad-list tr:hover td {
  background: var(--ad-bg-soft);
}

.ad-content-summary {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 380px;
}

.ad-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 999px;
  font-weight: 500;
}
.ad-tag-pending { background: var(--ad-warn-bg); color: var(--ad-warn-text); }
.ad-tag-done { background: var(--ad-ok-bg); color: var(--ad-ok-text); }
.ad-tag-project {
  background: var(--ad-bg-soft);
  color: var(--ad-text-muted);
  border: 1px solid var(--ad-border);
}

.ad-empty {
  padding: 40px;
  text-align: center;
  color: var(--ad-text-muted);
}

.ad-pagination {
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--ad-text-muted);
}
.ad-pagination button {
  padding: 4px 10px;
  margin-left: 6px;
}

/* ===== 详情抽屉 ===== */
.ad-drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(17,24,39,0.4);
  display: flex;
  justify-content: flex-end;
  z-index: 100;
}
.ad-drawer-mask[hidden] {
  display: none;
}
.ad-drawer {
  width: 560px;
  max-width: 100%;
  height: 100%;
  background: var(--ad-bg);
  display: flex;
  flex-direction: column;
  animation: ad-slide-in .18s ease-out;
}
@keyframes ad-slide-in {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}
.ad-drawer-head {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--ad-border);
}
.ad-drawer-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}
.ad-close {
  border: none;
  background: transparent;
  font-size: 24px;
  cursor: pointer;
  color: var(--ad-text-muted);
  padding: 0;
  width: 32px;
  height: 32px;
  border-radius: 6px;
}
.ad-close:hover { color: var(--ad-text); background: var(--ad-bg-soft); }

.ad-drawer-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.ad-info {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px 16px;
  font-size: 13px;
  margin-bottom: 16px;
}
.ad-info dt { color: var(--ad-text-muted); }
.ad-info dd { margin: 0; word-break: break-all; }

.ad-content-block {
  background: var(--ad-bg-soft);
  border: 1px solid var(--ad-border);
  border-radius: 8px;
  padding: 12px 14px;
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
  word-break: break-word;
}

.ad-img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}
.ad-img-grid img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--ad-border);
  cursor: pointer;
}

.ad-resolve-box {
  border-top: 1px solid var(--ad-border);
  padding-top: 16px;
  margin-top: 16px;
}
.ad-resolve-box textarea {
  width: 100%;
  min-height: 70px;
  padding: 8px 10px;
  border: 1px solid var(--ad-border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
}
.ad-resolve-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

@media (max-width: 768px) {
  .ad-list th:nth-child(5),
  .ad-list td:nth-child(5),
  .ad-list th:nth-child(6),
  .ad-list td:nth-child(6) { display: none; }
  .ad-content-summary { max-width: 200px; }
}