/* ============ 登录页 ============ */
.login-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  /* 缓慢流动的渐变背景 */
  background: linear-gradient(-45deg, #1e3a8a, #2563eb, #3b82f6, #1d4ed8, #2563eb);
  background-size: 400% 400%;
  animation: authGradient 18s ease infinite;
}
.login-body.admin {
  background: linear-gradient(-45deg, #0b1220, #1e293b, #273449, #0f172a, #1e293b);
  background-size: 400% 400%;
  animation: authGradient 22s ease infinite;
}
@keyframes authGradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 漂浮光斑层（动态模糊圆斑） */
.login-bg {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden; pointer-events: none;
}
.login-bg span {
  position: absolute; border-radius: 50%;
  filter: blur(48px); opacity: .45;
  will-change: transform;
}
.login-bg span:nth-child(1) {
  width: 340px; height: 340px; left: -70px; top: -50px;
  background: #60a5fa; animation: drift1 19s ease-in-out infinite;
}
.login-bg span:nth-child(2) {
  width: 260px; height: 260px; right: -50px; top: 30px;
  background: #a78bfa; animation: drift2 23s ease-in-out infinite;
}
.login-bg span:nth-child(3) {
  width: 320px; height: 320px; left: 8%; bottom: -90px;
  background: #22d3ee; animation: drift3 21s ease-in-out infinite;
}
.login-bg span:nth-child(4) {
  width: 220px; height: 220px; right: 10%; bottom: -50px;
  background: #818cf8; animation: drift1 27s ease-in-out infinite reverse;
}
.login-bg span:nth-child(5) {
  width: 180px; height: 180px; left: 46%; top: 28%;
  background: #38bdf8; animation: drift2 16s ease-in-out infinite;
}
/* 后台深色配色 */
.login-body.admin .login-bg span { opacity: .40; }
.login-body.admin .login-bg span:nth-child(1) { background: #3b82f6; }
.login-body.admin .login-bg span:nth-child(2) { background: #6366f1; }
.login-body.admin .login-bg span:nth-child(3) { background: #0ea5e9; }
.login-body.admin .login-bg span:nth-child(4) { background: #38598c; }
.login-body.admin .login-bg span:nth-child(5) { background: #1d4ed8; }

@keyframes drift1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(55px,42px) scale(1.15); }
  66%     { transform: translate(-32px,22px) scale(.9); }
}
@keyframes drift2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(-62px,52px) scale(1.2); }
}
@keyframes drift3 {
  0%,100% { transform: translate(0,0) scale(1); }
  40%     { transform: translate(42px,-52px) scale(1.1); }
  70%     { transform: translate(-42px,-22px) scale(.95); }
}
/* 尊重「减少动态效果」系统偏好 */
@media (prefers-reduced-motion: reduce) {
  .login-body, .login-bg span { animation: none; }
}
.login-card {
  width: 380px;
  max-width: 92vw;
  background: #fff;
  border-radius: 14px;
  padding: 38px 34px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.28);
  text-align: center;
  position: relative;
  z-index: 1;
}
.login-logo {
  width: 60px; height: 60px; margin: 0 auto 16px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff; border-radius: 14px;
  display: grid; place-items: center;
  font-size: 22px; font-weight: 700; letter-spacing: 1px;
}
.login-logo.admin { background: linear-gradient(135deg, #334155, #0f172a); font-size: 17px; }
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-sub { margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.login-card form { text-align: left; }
.login-card label {
  display: block; font-size: 12px; color: var(--muted);
  margin: 12px 0 5px;
}
.login-card input {
  width: 100%; padding: 11px 13px;
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; outline: none; transition: border .15s;
}
.login-card input:focus { border-color: var(--primary); }
.login-btn {
  width: 100%; margin-top: 22px; padding: 12px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff; border: none; border-radius: 8px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: opacity .15s;
}
.login-btn.admin { background: linear-gradient(135deg, #334155, #0f172a); }
.login-btn:hover { opacity: .92; }
.login-btn:disabled { opacity: .6; cursor: wait; }
.login-err { color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 18px; text-align: center; }
.login-foot { margin-top: 22px; font-size: 13px; }
.login-foot a { color: var(--primary); text-decoration: none; }
.login-foot a:hover { text-decoration: underline; }

/* ============ 顶栏用户区 ============ */
.user-chip {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px;
}
.user-chip .role-tag {
  background: rgba(255,255,255,.22);
  padding: 2px 8px; border-radius: 999px; font-size: 11px;
}

/* ============ 模式 / 用量横幅 ============ */
.mode-banner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 8px 24px; font-size: 12.5px;
  border-bottom: 1px solid var(--border);
  background: #ecfdf5; color: #065f46;
}
.mode-banner.trial { background: #fffbeb; color: #92400e; }
.mode-banner .mode-tag {
  font-weight: 700; padding: 2px 10px; border-radius: 999px;
  background: #10b981; color: #fff;
}
.mode-banner.trial .mode-tag { background: #f59e0b; }
.mode-banner .quota { display: flex; gap: 5px; align-items: center; }
.mode-banner .quota b { font-variant-numeric: tabular-nums; }
.mode-banner .quota.used-up { color: var(--danger); font-weight: 600; }

/* ============ 批量导入 ============ */
.dropzone {
  border: 2px dashed #c7d2fe;
  border-radius: 12px;
  background: var(--accent-bg);
  padding: 44px 20px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--primary); background: #dbeafe; }
.dropzone .big { font-size: 40px; }
.dropzone p { margin: 10px 0 4px; font-size: 15px; }
.dropzone .hint { color: var(--muted); font-size: 12px; }
.import-result { margin-top: 18px; }
.import-result .ok-line { color: var(--success); }
.import-result .err-line { color: var(--danger); }

/* ============ 人工复核改分 ============ */
.review-q { margin-bottom: 18px; }
.review-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 900px) { .review-grid { grid-template-columns: 1fr; } }
.review-ans {
  white-space: pre-wrap; font-size: 13px; line-height: 1.8;
  background: #fff; border: 1px solid var(--border); border-radius: 6px;
  padding: 12px 14px; max-height: 320px; overflow-y: auto;
  font-family: "Songti SC", "SimSun", serif;
}
.dim-edit {
  display: grid; grid-template-columns: 1fr 70px 90px; gap: 10px;
  align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border);
}
.dim-edit:last-child { border-bottom: none; }
.dim-edit .dn { font-weight: 600; font-size: 13px; }
.dim-edit .ai-sc { color: var(--muted); font-size: 12px; text-align: right; }
.dim-edit input[type=number] {
  width: 100%; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 14px; text-align: center;
  font-variant-numeric: tabular-nums;
}
.review-note {
  width: 100%; margin-top: 10px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; resize: vertical; min-height: 48px;
}
.review-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; background: #f9fafb;
  border: 1px solid var(--border); border-radius: 8px; margin-bottom: 16px;
}
.review-bar .final {
  font-size: 22px; font-weight: 700; color: var(--primary-dark);
  font-variant-numeric: tabular-nums;
}
.btn.solid {
  background: var(--primary); color: #fff; border: none;
}
.btn.solid:hover { background: var(--primary-dark); }
.btn.solid:disabled { opacity: .5; cursor: not-allowed; }
.btn.green { background: var(--success); color: #fff; border: none; }
.locked-badge {
  background: #dcfce7; color: #15803d; padding: 3px 10px;
  border-radius: 999px; font-size: 12px;
}

/* ============ 导出 ============ */
.export-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 14px; }
.export-card {
  border: 1px solid var(--border); border-radius: 10px; padding: 20px;
  background: var(--panel);
}
.export-card .ico { font-size: 30px; }
.export-card h3 { margin: 8px 0 4px; font-size: 15px; }
.export-card p { color: var(--muted); font-size: 12.5px; margin: 0 0 14px; }

/* ============ 滑块拼图验证码 ============ */
.captcha-wrap { margin: 14px 0 4px; }
.captcha-label {
  font-size: 12px; color: var(--muted);
  margin-bottom: 6px; display: flex; align-items: center; gap: 6px;
}
.cap-status {
  font-size: 11px; padding: 1px 7px; border-radius: 999px;
  background: #f1f5f9; color: #64748b;
}
.cap-status.ok  { background: #dcfce7; color: #15803d; }
.cap-status.err { background: #fee2e2; color: #dc2626; }

/* 图片容器：固定 300px 宽以保证拼图块定位精准 */
.captcha-img-box {
  position: relative; width: 300px; height: 150px;
  border: 1px solid rgba(0,0,0,.12); border-radius: 8px;
  overflow: hidden; background: #dde4ef;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.08);
}
.login-body.admin .captcha-img-box {
  border-color: rgba(255,255,255,.10);
  background: #0d1826;
}
.cap-bg { width: 300px; height: 150px; display: block; }
.cap-piece {
  position: absolute; pointer-events: none; border-radius: 3px;
  box-shadow: 0 2px 10px rgba(0,0,0,.40);
  transition: filter .08s;
}

/* 滑块行 */
.captcha-slider-row {
  display: flex; align-items: center; gap: 8px; margin-top: 8px;
}
.cap-slider {
  flex: 1; height: 32px; cursor: pointer;
  accent-color: #2563eb;              /* 前台：品牌蓝 */
}
.login-body.admin .cap-slider { accent-color: #7da9d4; } /* 后台：冷蓝灰 */

/* 刷新按钮 */
.cap-refresh {
  font-size: 19px; cursor: pointer; color: #94a3b8; line-height: 1;
  user-select: none; transition: color .15s, transform .2s; padding: 2px;
}
.cap-refresh:hover { color: #2563eb; transform: rotate(180deg); }
.login-body.admin .cap-refresh:hover { color: #7da9d4; }