* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --border: #d9dce3;
  --text: #1f2329;
  --text-sub: #646a73;
  --bg: #f5f6f8;
  --danger: #d93026;
  --success: #1a7f37;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

.hidden { display: none !important; }

button { font-family: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.55; }

input, select, textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  background: #fff;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

textarea { resize: vertical; min-height: 96px; }

.primary {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 15px;
  transition: background 0.15s;
}
.primary:hover:not(:disabled) { background: var(--primary-dark); }

/* ---------- 登录 ---------- */

#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

.login-card h1 { font-size: 22px; margin-bottom: 4px; }
.login-sub { color: var(--text-sub); font-size: 13px; margin-bottom: 24px; }
.login-card input { margin-bottom: 12px; }

.code-row { display: flex; gap: 10px; }
.code-row input { flex: 1; }
.code-row button {
  white-space: nowrap;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: #fff;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 14px;
}
.code-row button:hover:not(:disabled) { background: #eef3ff; }

#login-btn { width: 100%; margin-top: 8px; padding: 11px; }

/* ---------- 消息 ---------- */

.msg { min-height: 22px; font-size: 13px; margin-top: 8px; }
.msg.error, .upload-status.error { color: var(--danger); }
.msg.success, .upload-status.success { color: var(--success); }

/* ---------- 主界面 ---------- */

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand { font-size: 16px; font-weight: 600; }
.user { color: var(--text-sub); font-size: 13px; margin-left: auto; }
.link-btn {
  border: none;
  background: none;
  color: var(--primary);
  font-size: 13px;
}
.link-btn:hover { text-decoration: underline; }

.panel {
  max-width: 760px;
  margin: 24px auto 48px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.tabs {
  display: flex;
  background: #f0f2f5;
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 20px;
}
.tab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 0;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-sub);
}
.tab.active {
  background: #fff;
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.12);
}

.field { display: block; margin-bottom: 16px; }
.field-label {
  display: block;
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.model-info {
  background: #f7f9fd;
  border-left: 3px solid var(--primary);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 16px;
}
.model-info .model-name { font-size: 14px; font-weight: 600; color: var(--text); }
.model-info .tips { margin-top: 4px; }

.tpl-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.tpl {
  text-align: left;
  border: 1px dashed var(--border);
  background: #fafbfc;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-sub);
  transition: all 0.15s;
}
.tpl:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #f4f8ff;
}

.params {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
#image-params { grid-template-columns: 1fr; }

.upload-status { font-size: 13px; margin-top: 6px; }
.upload-status .preview {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.upload-status .preview img,
.upload-status .preview video {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #000;
}

#generate-btn {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  margin-top: 8px;
}

.result { margin-top: 20px; }
.result video, .result img {
  width: 100%;
  max-width: 560px;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.result video { background: #000; }
.result img { background: #fafbfc; }

.download-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--primary);
  font-size: 14px;
  text-decoration: none;
}
.download-link:hover { text-decoration: underline; }

/* ---------- 顶部主视图 tab ---------- */

.main-tabs { display: flex; gap: 4px; margin-left: 12px; }
.main-tab {
  border: none;
  background: transparent;
  color: var(--text-sub);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 15px;
}
.main-tab.active { background: #eef3ff; color: var(--primary); font-weight: 600; }

/* ---------- 管理页（仅管理员可见） ---------- */

#admin-view { max-width: 960px; }

.admin-section { margin-bottom: 28px; }
.admin-section:last-child { margin-bottom: 0; }
.admin-section h2 { font-size: 16px; margin-bottom: 12px; }

.wl-add { display: flex; gap: 8px; margin-bottom: 12px; }
.wl-add input { flex: 1; }
.wl-add select { width: 120px; }
.wl-add button { white-space: nowrap; padding: 0 18px; }

.filter-row { margin-bottom: 12px; }
.filter-row select { max-width: 220px; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  word-break: break-all;
}
.admin-table th { color: var(--text-sub); font-weight: 500; background: #fafbfc; }
.admin-table .file-key { max-width: 340px; }

.danger-link {
  border: none;
  background: none;
  color: var(--danger);
  font-size: 13px;
  padding: 0;
}
.danger-link:hover { text-decoration: underline; }
.st-ok { color: var(--success); }
.st-fail { color: var(--danger); }

/* ---------- 响应式 ---------- */

@media (max-width: 640px) {
  .panel { margin: 12px; padding: 16px; }
  .params { grid-template-columns: 1fr 1fr; }
  .params .field:last-child { grid-column: 1 / -1; }
  .wl-add { flex-wrap: wrap; }
  .wl-add select { width: 100%; }
}

/* ---------- 上传删除按钮 ---------- */

.rm-upload {
  border: none;
  background: none;
  color: var(--danger);
  font-size: 14px;
  line-height: 1;
  padding: 4px 6px;
  margin-left: auto;
  border-radius: 4px;
}
.rm-upload:hover:not(:disabled) { background: #fdecec; }
.upload-status .rm-error { margin-top: 6px; }

/* ---------- 提示词一键优化 ---------- */

.optimize-btn {
  display: block;
  margin: 8px 0 0 auto;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: #fff;
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
}
.optimize-btn:hover:not(:disabled) { background: #eef3ff; }

#optimize-box {
  background: #f7f9fd;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 13px;
}

.opt-text { color: var(--text); line-height: 1.7; }

.opt-actions { display: flex; gap: 8px; margin-top: 10px; }
.opt-adopt { padding: 6px 14px; font-size: 13px; border-radius: 6px; }

.opt-swap {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-sub);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
}
.opt-swap:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }

.opt-dirs { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.opt-dir-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.opt-dir-label { color: var(--text-sub); font-size: 12px; }
.opt-dir {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-sub);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
}
.opt-dir:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.opt-dir.active { border-color: var(--primary); background: #eef3ff; color: var(--primary); }

.opt-error { margin-top: 8px; }