/*!
 * DLTBEditor 授权自助服务 - 全站样式（单一 CSS 文件，无外部字体/资源）
 *
 * 说明：
 * - 所有配色统一由 :root CSS 变量管理，便于整体调整；
 * - 不包含任何 @import / 外部字体 / 图片资源，仅使用系统字体栈；
 * - 响应式断点：960px / 720px / 420px，375px 宽度可正常使用；
 * - 表格统一放在 .table-wrap 中，窄屏横向滚动。
 */

/* ==========================================================================
   1. 设计令牌（颜色、字体、圆角、阴影）
   ========================================================================== */

:root {
  /* 主色：政务/工程软件常用的沉稳藏蓝 */
  --color-primary: #1f4e79;
  --color-primary-strong: #173b5c;
  --color-primary-hover: #2b6396;
  --color-primary-soft: #e8eef5;
  --color-primary-border: #c9d9e8;

  /* 文本与背景 */
  --color-text: #1f2933;
  --color-text-secondary: #3b4a59;
  --color-text-muted: #5c6b7a;
  --color-text-faint: #8494a5;
  --color-bg: #eef2f6;
  --color-surface: #ffffff;
  --color-surface-alt: #f7f9fb;

  /* 边框 */
  --color-border: #dbe3ec;
  --color-border-strong: #b9c6d4;
  --color-border-soft: #e6ecf2;

  /* 状态色 */
  --color-success: #1d7a46;
  --color-success-bg: #e6f4ec;
  --color-success-border: #bfe0cd;
  --color-warning: #8a6100;
  --color-warning-bg: #fdf5d8;
  --color-warning-border: #e9d99a;
  --color-danger: #a12828;
  --color-danger-bg: #fbeaea;
  --color-danger-border: #efc9c9;
  --color-info: #1f4e79;
  --color-info-bg: #e8eef5;
  --color-info-border: #c9d9e8;
  --color-neutral: #4a5568;
  --color-neutral-bg: #edf0f3;
  --color-neutral-border: #d6dde4;

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    "Source Han Sans SC", "WenQuanYi Micro Hei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  /* 圆角与阴影 */
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(23, 43, 67, 0.06);
  --shadow-md: 0 4px 14px rgba(23, 43, 67, 0.1);
  --shadow-focus: 0 0 0 3px rgba(47, 109, 168, 0.28);

  /* 布局 */
  --page-max: 1240px;
  --page-max-public: 960px;
  --header-max: 1280px;
  --transition: background-color 0.15s ease, border-color 0.15s ease,
    color 0.15s ease, box-shadow 0.15s ease;
}

/* ==========================================================================
   2. 基础重置与排版
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
p,
figure,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
}

button {
  font-family: inherit;
}

img,
svg {
  max-width: 100%;
  vertical-align: middle;
}

::selection {
  background-color: rgba(47, 109, 168, 0.25);
}

:focus-visible {
  outline: 2px solid var(--color-primary-hover);
  outline-offset: 2px;
}

/* ==========================================================================
   3. 顶部导航（用户端 / 管理端）
   ========================================================================== */

.topbar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.topbar-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  flex: 0 0 32px;
}

.brand-text {
  font-size: 16px;
  line-height: 1.4;
}

.brand-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  white-space: nowrap;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-link {
  font-size: 14px;
  color: var(--color-primary);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.topbar-link:hover {
  background-color: var(--color-primary-soft);
  text-decoration: none;
}

/* 管理端头部：深色背景，与用户端区分 */
.admin-header {
  background-color: #16324a;
  color: #ffffff;
}

.admin-header-inner {
  max-width: var(--header-max);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.admin-header .brand {
  color: #ffffff;
}

.admin-header .brand-mark {
  background-color: var(--color-primary-hover);
}

.admin-header .brand-tag {
  color: #c8d7e6;
  border-color: rgba(255, 255, 255, 0.4);
}

.admin-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1 1 auto;
  flex-wrap: wrap;
}

.admin-nav-link {
  display: inline-block;
  color: #c8d7e6;
  font-size: 14px;
  padding: 7px 12px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: var(--transition);
}

.admin-nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  text-decoration: none;
}

.admin-nav-link.is-active {
  background-color: var(--color-primary-hover);
  color: #ffffff;
  font-weight: 600;
}

.logout-form {
  margin: 0;
  flex: 0 0 auto;
}

.admin-header .btn-ghost {
  color: #e6eef6;
  border-color: rgba(255, 255, 255, 0.38);
  background-color: transparent;
}

.admin-header .btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

/* ==========================================================================
   4. 页面容器、页脚、跳过链接
   ========================================================================== */

.page {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.page-public .page {
  max-width: var(--page-max-public);
}

.admin-shell {
  width: 100%;
}

/* 管理端：内容区使用全部可用宽度（大屏不再两侧留白），表格/看板铺满屏幕；
   超宽屏下表单限制阅读宽度，避免输入框被拉得过长。 */
.page-admin .page {
  max-width: none;
}

.page-admin .admin-header-inner {
  max-width: none;
}

.page-admin .site-footer-inner {
  max-width: none;
}

.page-admin .form-grid,
.page-admin .form-stack {
  max-width: 1180px;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.site-footer-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
}

.footer-line {
  font-size: 12.5px;
  color: var(--color-text-muted);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 16px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

/* ==========================================================================
   5. 按钮
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition);
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled,
.btn.is-disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-strong);
  border-color: var(--color-primary-strong);
}

.btn-secondary {
  background-color: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.btn-ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  background-color: var(--color-surface-alt);
}

.btn-danger {
  background-color: var(--color-surface);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

.btn-danger:hover {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger);
}

/* 危险动作（删除）：实心红，区别于「撤销」的描边红 */
.btn-danger-solid {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: #ffffff;
}

.btn-danger-solid:hover {
  background-color: #8a1f1f;
  border-color: #8a1f1f;
}

.btn-sm {
  min-height: 32px;
  padding: 6px 12px;
  font-size: 13px;
}

.btn-xs {
  min-height: 28px;
  padding: 4px 8px;
  font-size: 12.5px;
  border-radius: var(--radius-sm);
}

.btn-lg {
  min-height: 46px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ==========================================================================
   6. 提示条 / flash
   ========================================================================== */

.flash-stack {
  margin-bottom: 16px;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  line-height: 1.7;
}

.alert-message {
  flex: 1 1 auto;
  word-break: break-word;
}

.flash-close {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: auto;
  padding: 0;
  border: none;
  background-color: transparent;
  color: inherit;
  font-size: 20px;
  line-height: 1;
  opacity: 0.65;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.flash-close:hover {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.06);
}

.alert-success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: #175f38;
}

.alert-error {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: #8f2323;
}

.alert-info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: #7a5500;
}

/* ==========================================================================
   7. 卡片
   ========================================================================== */

.card {
  margin: 0 0 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-soft);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.card-hint {
  font-size: 13px;
  color: var(--color-text-muted);
}

.card-body {
  padding: 20px;
}

.card-body-tight {
  padding: 16px 20px;
}

.card-link {
  font-size: 13px;
  color: var(--color-primary-hover);
  white-space: nowrap;
}

/* ==========================================================================
   8. 表单
   ========================================================================== */

.field {
  min-width: 0;
}

.field-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #25313d;
}

.required {
  margin-left: 2px;
  color: var(--color-danger);
  font-weight: 700;
}

.form-control {
  display: block;
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-control:hover {
  border-color: #9fb1c4;
}

.form-control:focus {
  border-color: var(--color-primary-hover);
  outline: none;
  box-shadow: var(--shadow-focus);
}

.form-control:disabled,
.form-control[readonly] {
  background-color: var(--color-surface-alt);
}

select.form-control {
  padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, #5c6b7a 50%),
    linear-gradient(135deg, #5c6b7a 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

textarea.form-control {
  min-height: 84px;
  resize: vertical;
}

.form-control-file {
  padding: 7px 10px;
  background-color: var(--color-surface-alt);
  font-size: 13.5px;
}

.form-control-file::file-selector-button {
  margin-right: 12px;
  padding: 6px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

.form-control-file::file-selector-button:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.field-help {
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.field-help code {
  word-break: break-all;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.field-full {
  grid-column: 1 / -1;
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

/* 筛选栏 */
.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px 16px;
  margin: 0;
}

.field-inline {
  display: flex;
  flex-direction: column;
  flex: 1 1 170px;
  min-width: 150px;
}

.field-inline .field-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.field-inline .form-control {
  min-height: 38px;
  font-size: 13.5px;
}

.filters-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.inline-form {
  display: inline-flex;
  margin: 0;
}

/* 只读授权内容 */
.license-content {
  min-height: 220px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.55;
  white-space: pre;
  overflow: auto;
}

/* ==========================================================================
   9. 状态徽章
   ========================================================================== */

.badge {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}

/* 口令状态：未使用 / 已使用 / 已作废 / 已过期 */
.badge-unused {
  background-color: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-primary);
}

.badge-used {
  background-color: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.badge-revoked {
  background-color: var(--color-neutral-bg);
  border-color: var(--color-neutral-border);
  color: var(--color-neutral);
}

.badge-expired {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: #7a5500;
}

/* 授权状态：已签发 / 已撤销 / 已替代 / 已到期 */
.badge-issued {
  background-color: #e0f2f4;
  border-color: #bfe0e5;
  color: #0e6470;
}

.badge-license-revoked {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

.badge-superseded {
  background-color: #eee9f6;
  border-color: #d9cfe9;
  color: #5b4a7a;
}

.badge-license-expired {
  background-color: #fdeee2;
  border-color: #f0d0b5;
  color: #9a3f00;
}

.badge-neutral {
  background-color: var(--color-neutral-bg);
  border-color: var(--color-neutral-border);
  color: var(--color-neutral);
}

/* ==========================================================================
   10. 表格
   ========================================================================== */

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table thead th {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-size: 12.5px;
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
}

.data-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-border-soft);
  color: var(--color-text-secondary);
  vertical-align: top;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover td {
  background-color: #f7fafc;
}

.row-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}

/* 台账批量删除：表头操作区、选择列 */
.card-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* 授权时长方式（按天数 / 按到期日期）单选 */
.mode-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding: 8px 0 2px;
}

.mode-option {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
}

.mode-option input[type="radio"] {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.bulk-form {
  margin: 0;
}

.cell-select {
  width: 34px;
  text-align: center;
}

.cell-select input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--color-primary);
  vertical-align: middle;
}

.cell-usage .usage-time {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.cell-id {
  display: block;
  max-width: 8.5em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 宽表（口令 / 台账）在桌面端尽量一屏放下：略收紧内边距 */
.data-table.table-wide thead th,
.data-table.table-wide tbody td {
  padding-left: 8px;
  padding-right: 8px;
}

.mono.cell-machine {
  font-size: 12px;
}

.empty-state {
  padding: 40px 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13.5px;
  line-height: 1.8;
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 20px;
  border-top: 1px solid var(--color-border-soft);
}

.pagination-info {
  font-size: 13px;
  color: var(--color-text-muted);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pagination-current {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   11. 管理端页面标题与统计卡片
   ========================================================================== */

.page-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 20px;
}

.page-heading-main {
  min-width: 0;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
}

.page-subtitle {
  margin-top: 5px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.page-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.stats-section {
  margin-bottom: 26px;
}

.section-title {
  margin-bottom: 12px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  color: inherit;
  transition: var(--transition);
}

a.stat-card:hover {
  border-color: var(--color-border-strong);
  border-top-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.stat-label {
  font-size: 12.5px;
  color: var(--color-text-muted);
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.stat-foot {
  font-size: 11.5px;
  color: var(--color-text-faint);
}

.stat-card-info {
  border-top-color: var(--color-primary-hover);
}

.stat-card-success {
  border-top-color: var(--color-success);
}

.stat-card-neutral {
  border-top-color: var(--color-neutral);
}

.stat-card-warning {
  border-top-color: #b07d00;
}

.stat-card-danger {
  border-top-color: var(--color-danger);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 20px;
  margin-bottom: 20px;
}

.panel-grid-settings {
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
}

/* ==========================================================================
   12. 用户端：首页、步骤、兑换成功、错误页
   ========================================================================== */

.hero {
  margin-bottom: 22px;
  padding: 32px 34px;
  border-radius: 12px;
  background-image: linear-gradient(135deg, #1d4468 0%, #2a6397 100%);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.hero-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.35;
}

.hero-text {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.9);
  white-space: pre-line;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
  list-style: none;
  padding: 0;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
}

.step-body {
  min-width: 0;
}

.step-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.step-text {
  margin-top: 3px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--color-text-muted);
}

.redeem-form .field {
  margin-bottom: 18px;
}

.redeem-form .form-actions {
  margin-top: 22px;
}

.code-inline {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface-alt);
  font-size: 12.5px;
  word-break: break-all;
}

.file-name {
  display: inline-block;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
}

.faq dt {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: #25313d;
}

.faq dt:first-child {
  margin-top: 0;
}

.faq dd {
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--color-text-muted);
}

/* 兑换成功页 */
.result-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding: 20px 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-success);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.result-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-success-bg);
  color: var(--color-success);
  font-size: 22px;
  font-weight: 700;
}

.result-head-body {
  min-width: 0;
}

.result-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
}

.result-text {
  margin-top: 4px;
  font-size: 13.5px;
  color: var(--color-text-muted);
}

.result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 20px;
}

.summary-list {
  display: flex;
  flex-direction: column;
}

.summary-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-row dt {
  flex: 0 0 auto;
  color: var(--color-text-muted);
  font-size: 13px;
}

.summary-row dd {
  margin: 0;
  text-align: right;
  color: var(--color-text);
  font-weight: 500;
  word-break: break-word;
}

.tips-list {
  margin: 0 0 16px;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-text-secondary);
}

.tips-list li + li {
  margin-top: 2px;
}

/* 登录页 */
.login-wrap {
  display: flex;
  justify-content: center;
  padding: 36px 0 16px;
}

.login-card {
  width: 100%;
  max-width: 430px;
  margin: 0;
  padding: 30px 28px;
}

.login-head {
  margin-bottom: 20px;
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

.login-subtitle {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.login-form .field {
  margin-bottom: 20px;
}

.login-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-soft);
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-text-faint);
}

/* 错误页 */
.error-wrap {
  display: flex;
  justify-content: center;
  padding: 32px 0 16px;
}

.error-card {
  width: 100%;
  max-width: 560px;
  padding: 36px 32px;
  text-align: center;
}

.error-code {
  font-size: 54px;
  font-weight: 700;
  line-height: 1;
  color: #c3d2e1;
  letter-spacing: 2px;
}

.error-title {
  margin-top: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

.error-message {
  margin: 12px 0 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.error-card .form-actions {
  justify-content: center;
}

.error-card .field-help {
  margin-top: 18px;
}

/* 设置页辅助信息块 */
.info-note {
  margin-top: 20px;
  padding: 14px 16px;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius);
}

.info-note-title {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.info-note .tips-list {
  margin-bottom: 0;
  font-size: 12.5px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   13. 工具类
   ========================================================================== */

.mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.mono-input {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.value-break {
  word-break: break-all;
  overflow-wrap: anywhere;
}

/* 表格中的口令 / 机器码列：不换行，窄屏由 .table-wrap 横向滚动 */
.cell-code,
.cell-machine {
  white-space: nowrap;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-danger {
  color: var(--color-danger);
  font-weight: 600;
}

.text-warning {
  color: var(--color-warning);
  font-weight: 600;
}

.text-nowrap {
  white-space: nowrap;
}

/* JS 复制兜底用的临时节点：不允许行内样式，统一用类隐藏 */
.copy-helper {
  position: fixed;
  top: 0;
  left: -9999px;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

/* ==========================================================================
   14. 响应式
   ========================================================================== */

@media (max-width: 1100px) {
  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .panel-grid,
  .panel-grid-settings {
    grid-template-columns: minmax(0, 1fr);
  }

  .result-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-nav {
    order: 3;
    flex: 1 1 100%;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 14px;
  }

  .page {
    padding: 18px 14px 48px;
  }

  .topbar-inner {
    padding: 10px 14px;
  }

  .admin-header-inner {
    padding: 10px 14px;
    gap: 10px 14px;
  }

  .admin-header .brand {
    flex: 1 1 auto;
  }

  .admin-nav {
    flex-wrap: wrap;
    gap: 2px;
  }

  .admin-nav-link {
    padding: 6px 9px;
    font-size: 13.5px;
  }

  .logout-form {
    margin-left: auto;
  }

  /* 窄屏表格：保证每列可读，超出部分在 .table-wrap 内横向滚动 */
  .data-table {
    min-width: 600px;
  }

  .data-table.table-wide {
    min-width: 960px;
  }

  .hero {
    padding: 24px 20px;
  }

  .hero-title {
    font-size: 22px;
  }

  .hero-text {
    font-size: 14px;
  }

  .card-header {
    padding: 14px 16px;
  }

  .card-body,
  .card-body-tight {
    padding: 16px;
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .field-inline {
    flex: 1 1 100%;
  }

  .filters-actions {
    width: 100%;
  }

  .filters-actions .btn {
    flex: 1 1 auto;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat-value {
    font-size: 23px;
  }

  .page-heading {
    flex-direction: column;
    align-items: stretch;
  }

  .page-actions .btn {
    flex: 1 1 auto;
  }

  .data-table {
    font-size: 13px;
  }

  .data-table thead th {
    padding: 8px 10px;
  }

  .data-table tbody td {
    padding: 9px 10px;
  }

  .pagination {
    padding: 12px 16px;
  }

  .pagination-controls {
    width: 100%;
  }

  .pagination-controls .btn {
    flex: 1 1 auto;
  }

  .pagination-current {
    flex: 0 0 auto;
  }

  .result-head {
    align-items: flex-start;
    padding: 16px;
  }

  .login-wrap,
  .error-wrap {
    padding-top: 16px;
  }

  .login-card {
    padding: 24px 20px;
  }

  .error-card {
    padding: 26px 20px;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .form-actions .btn {
    width: 100%;
  }

  .summary-row {
    gap: 12px;
    font-size: 13.5px;
  }

  .summary-row dt {
    font-size: 12.5px;
  }

  .site-footer-inner {
    padding: 16px 14px;
  }
}

@media (max-width: 420px) {
  .brand-text {
    font-size: 15px;
  }

  .brand-tag {
    display: none;
  }

  .topbar-link {
    padding: 6px 8px;
    font-size: 13px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-title {
    font-size: 20px;
  }

  .page-title {
    font-size: 20px;
  }

  .step {
    padding: 12px 14px;
  }

  .result-icon {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .result-title {
    font-size: 18px;
  }

  .summary-row {
    flex-direction: column;
    gap: 2px;
  }

  .summary-row dd {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   台账：备注列与「详情」展开行（完整展示原台账字段）
   ========================================================================== */

.data-table .cell-notes {
  min-width: 150px;
  max-width: 280px;
  white-space: normal;
  word-break: break-word;
  color: var(--color-text-secondary);
}

.data-table .detail-row > td {
  padding: 14px 16px 16px;
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border-soft);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px 28px;
  margin: 0;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.detail-item dt {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.detail-item dd {
  margin: 0;
  font-size: 13px;
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.detail-item-full {
  grid-column: 1 / -1;
}

.detail-notes {
  white-space: pre-wrap;
  word-break: break-word;
  padding: 8px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

@media (max-width: 960px) {
  .detail-grid {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }
}

@media (max-width: 720px) {
  .data-table .cell-notes {
    min-width: 120px;
    max-width: 200px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}