:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9bb4;
  --accent: #3d8bfd;
  --danger: #f47174;
  --ok: #5bd37a;
  --border: #2a3548;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1f2a3d 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
header h1 { margin: 0; font-size: 1.15rem; font-weight: 600; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; font-size: 0.95rem; }
nav a.nav-active { font-weight: 600; color: var(--text); text-decoration: none; }
input[type="password"] {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121a26;
  color: var(--text);
  margin-bottom: 0.85rem;
}
main { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.25rem;
}
.card h2 { margin: 0 0 0.75rem; font-size: 1rem; color: var(--muted); font-weight: 600; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.35rem; }
input[type="text"],
input[type="number"],
input[type="file"],
textarea,
select {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121a26;
  color: var(--text);
  margin-bottom: 0.85rem;
}
textarea { min-height: 88px; resize: vertical; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #243044;
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
}
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  filter: none;
}
.btn-primary { background: var(--accent); border-color: #2f6fcc; color: #fff; }
.btn-danger { background: #3a2426; border-color: #6b3034; color: #ffb4b6; }
.btn-small { padding: 0.35rem 0.6rem; font-size: 0.8rem; }
.msg { padding: 0.65rem 0.85rem; border-radius: 8px; margin-top: 0.75rem; font-size: 0.9rem; }
.msg.ok { background: #1a2e22; border: 1px solid #2d5a3a; color: var(--ok); }
.msg.err { background: #2e1a1a; border: 1px solid #5a2d2d; color: var(--danger); }
pre.json {
  background: #121a26;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  overflow: auto;
  font-size: 0.8rem;
  max-height: 320px;
}
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { border-bottom: 1px solid var(--border); padding: 0.5rem 0.4rem; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.muted { color: var(--muted); font-size: 0.85rem; }

/* 前台选图预览：与后台证据列同款 32×32 小图 */
.ev-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 4px;
  align-items: center;
  margin-top: 0.5rem;
  min-height: 0;
  max-width: 280px;
  contain: layout style;
}
.ev-prev-item {
  flex: 0 0 auto;
  line-height: 0;
}
.ev-prev-item img {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #121a26;
  vertical-align: top;
  display: block;
}

/* 后台：证据列缩略图（小图 + 懒加载，减轻布局与解码压力） */
.admin-evidence {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 4px;
  align-items: center;
  max-width: 220px;
  contain: layout style;
}
.admin-evidence .ev-sep,
.ev-preview .ev-sep {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 32px;
  padding: 0 1px;
  user-select: none;
}
.admin-evidence a.admin-ev-thumb {
  display: block;
  line-height: 0;
  flex: 0 0 auto;
}
.admin-evidence a.admin-ev-thumb img {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #121a26;
  vertical-align: top;
}
.admin-evidence .js-ev-more {
  padding: 0.2rem 0.35rem;
  font-size: 0.7rem;
  line-height: 1.2;
  min-height: 0;
}
.admin-evidence .ev-fallback {
  font-size: 0.65rem;
  word-break: break-all;
  color: var(--muted);
  display: block;
  max-width: 160px;
  line-height: 1.25;
}
table.data-table td.col-evidence {
  max-width: 240px;
}

.table-scroll-host .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 0.35rem;
}
.table-scroll table.data-table {
  min-width: 640px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}
.tabs .tab {
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121a26;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.88rem;
}
.tabs .tab:hover:not(.active) {
  color: var(--text);
}
.tabs .tab.active {
  background: var(--accent);
  border-color: #2f6fcc;
  color: #fff;
}

.result-card {
  margin-top: 0.75rem;
}
.result-dl {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 0.35rem 0.75rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  align-items: start;
}
.result-dl:last-child {
  border-bottom: none;
}
.result-dt {
  color: var(--muted);
  font-size: 0.82rem;
}
.result-dd--reason {
  white-space: pre-wrap;
  word-break: break-word;
}
@media (max-width: 520px) {
  .result-dl {
    grid-template-columns: 1fr;
  }
}

/* —— 后台登录页 —— */
.page-login {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.page-login header {
  flex-shrink: 0;
  background: rgba(26, 35, 50, 0.6);
  backdrop-filter: blur(8px);
}
.page-login .login-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem 2.5rem;
  max-width: none;
  margin: 0;
}
.page-login .login-card {
  width: 100%;
  max-width: 22rem;
  margin: 0;
  padding: 1.5rem 1.5rem 1.35rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}
.page-login .login-brand {
  text-align: center;
  margin-bottom: 1.25rem;
}
.page-login .login-brand-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}
.page-login .login-brand-sub {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}
.page-login .login-hint {
  margin: 0 0 1.1rem;
  padding: 0.65rem 0.75rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--muted);
  background: rgba(18, 26, 38, 0.85);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.page-login .login-hint code {
  font-size: 0.76rem;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: #121a26;
  color: var(--accent);
}
.page-login .login-field {
  margin-bottom: 1rem;
}
.page-login .login-field:last-of-type {
  margin-bottom: 0.85rem;
}
.page-login .login-field label {
  margin-bottom: 0.4rem;
}
.page-login .login-field input[type="text"],
.page-login .login-field input[type="password"] {
  margin-bottom: 0;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.page-login .login-field input:focus {
  outline: none;
  border-color: #4a7fd4;
  box-shadow: 0 0 0 3px rgba(61, 139, 253, 0.22);
}
.page-login .login-password-wrap {
  position: relative;
  display: flex;
  align-items: stretch;
}
.page-login .login-password-wrap input {
  flex: 1;
  padding-right: 3.25rem;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
.page-login .btn-toggle-pass {
  flex: 0 0 auto;
  margin: 0;
  padding: 0 0.65rem;
  border-radius: 0 8px 8px 0;
  border: 1px solid var(--border);
  border-left: none;
  background: #1e2838;
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
}
.page-login .btn-toggle-pass:hover {
  color: var(--text);
  background: #243044;
}
.page-login .btn-toggle-pass:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(61, 139, 253, 0.35);
  position: relative;
  z-index: 1;
}
.page-login .btn-login-submit {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.65rem 1rem;
  font-weight: 600;
}
.page-login #msg:empty {
  display: none;
}
.page-login #msg:not(:empty) {
  margin-top: 1rem;
}
.page-login #msg .msg {
  margin-top: 0;
}
.page-login .login-back {
  font-size: 0.88rem;
}

/* 后台：当前操作密钥展示条 */
.admin-api-key-bar {
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
}
.admin-api-key-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
}
.admin-api-key-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  flex: 0 0 auto;
}
.admin-api-key-code {
  flex: 1 1 12rem;
  min-width: 0;
  margin: 0;
  padding: 0.4rem 0.55rem;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.4;
  word-break: break-all;
  background: #121a26;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
}
.admin-api-key-hint {
  margin: 0.55rem 0 0;
  font-size: 0.76rem;
  line-height: 1.45;
}
.admin-api-key-hint code {
  font-size: 0.72rem;
  padding: 0.08em 0.3em;
  border-radius: 4px;
  background: #121a26;
  color: var(--accent);
}