/* ============================================================
   同丰咨询 · 设计系统
   深海军蓝专业方案
   ============================================================ */

/* ── 设计 Token ── */
:root {
  --color-primary:       #1e3a5f;
  --color-primary-hover: #16304f;
  --color-accent:        #1e3a5f;
  --color-accent-hover:  #16304f;
  --color-success:       #2e7d32;
  --color-success-hover: #256428;
  --color-danger:        #c62828;
  --color-danger-hover:  #b71c1c;
  --color-cost:          #6d28d9;
  --color-bg:            #f4f6f9;
  --color-surface:       #ffffff;
  --color-border:        #dde3ec;
  --color-text:          #1a2332;
  --color-text-muted:    #5a6a7e;
  --nav-height:          52px;
  --sidebar-width:       220px;
  --radius:              10px;
  --shadow-sm:           0 1px 3px rgba(30,58,95,.08);
  --shadow-md:           0 4px 16px rgba(30,58,95,.10);
}

/* ── Reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ── Base ── */
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system,
               BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ── 顶部导航 ── */
.topnav {
  background-color: var(--color-primary);
  height: var(--nav-height);
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 420;
  box-shadow: 0 2px 8px rgba(30,58,95,.18);
}
.topnav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.topnav-left .logo {
  width: 36px;
  height: 22px;
  background: url('/static/logo.png') no-repeat center/contain;
  flex-shrink: 0;
}
.topnav-left h1 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: .01em;
}
.topnav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.topnav-right a {
  color: rgba(255,255,255,.82);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color .15s;
}
.topnav-right a:hover { color: #ffffff; text-decoration: none; }
.topnav-right a.active {
  color: #ffffff;
  font-weight: 600;
  border-bottom: 2px solid rgba(255,255,255,.7);
  padding-bottom: 2px;
}
.topnav-right span {
  font-size: 0.88rem;
  color: rgba(255,255,255,.65);
}

/* ── 侧边栏 ── */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
}
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px;
}
.sidebar-bottom {
  padding: 10px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}
.sidebar-bottom input {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 9px;
  font-size: 0.8rem;
  color: var(--color-text);
  width: 100%;
}
.sidebar-bottom input:focus {
  outline: none;
  border-color: var(--color-accent);
}
.sidebar-bottom .btn {
  width: 100%;
  font-size: 0.82rem;
  padding: 7px 12px;
}

/* ── 主布局 ── */
.layout {
  display: flex;
  height: calc(100vh - var(--nav-height));
}
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 24px;
}
.main-container {
  flex: 1;
  display: flex;
  overflow: hidden;
  width: 100%;
  gap: 0;
}

/* ── 按钮 ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 7px;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .15s;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { text-decoration: none; }

.btn-primary   { background: var(--color-accent);   color: #fff; }
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-primary:disabled { background: var(--color-primary); opacity: .75; cursor: not-allowed; }

.btn-secondary { background: #f0f2f5; color: #444; border: 1px solid var(--color-border); }
.btn-secondary:hover { background: #e4e8ef; }

.btn-success   { background: var(--color-success); color: #fff; }
.btn-success:hover { background: var(--color-success-hover); }

.btn-danger    { background: var(--color-danger);  color: #fff; }
.btn-danger:hover { background: var(--color-danger-hover); }

.btn-sm  { padding: 5px 12px; font-size: 0.8rem; }
.btn-add {
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--color-accent);
  background: none;
  border: 1px dashed var(--color-accent);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}
.btn-add:hover { background: #eef1f6; }
.btn-del {
  padding: 3px 8px;
  font-size: 0.78rem;
  color: var(--color-danger);
  background: none;
  border: 1px solid #fecaca;
  border-radius: 5px;
  cursor: pointer;
  font-family: inherit;
}
.btn-del:hover { background: #fff5f5; }

/* ── 表单 ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 1rem;
}
.form-group label,
label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: 7px;
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-surface);
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(30,58,95,.12);
}

/* 单选框/复选框统一深海军蓝 */
input[type="radio"],
input[type="checkbox"] {
  accent-color: #1e3a5f;
}

/* 数字等宽对齐 */
input[type="number"] {
  font-variant-numeric: tabular-nums;
}

/* ── 卡片 ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

/* ── 意见反馈对话框 ── */
.feedback-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
  pointer-events: none;
}
.feedback-overlay.active {
  display: block;
}
.feedback-dialog {
  pointer-events: all;
  position: fixed;
  top: 80px;
  right: 40px;
  width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(30,58,95,.18);
  z-index: 9001;
  overflow: hidden;
}
.feedback-dialog-header {
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: move;
  user-select: none;
}
.feedback-dialog-header .close-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,.8);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  line-height: 1;
}
.feedback-dialog-header .close-btn:hover { color: #fff; }
.feedback-dialog-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feedback-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 5px;
}
.feedback-field input,
.feedback-field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 0.88rem;
  color: var(--color-text);
  background: var(--color-bg);
  outline: none;
  transition: border-color .15s;
  font-family: inherit;
}
.feedback-field input:focus,
.feedback-field textarea:focus { border-color: var(--color-primary); }
.feedback-field textarea {
  height: 90px;
  resize: vertical;
}
.feedback-dialog-footer {
  padding: 10px 16px 14px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.feedback-btn-cancel {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 18px;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--color-text-muted);
}
.feedback-btn-cancel:hover { background: var(--color-bg); }
.feedback-btn-submit {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 18px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 500;
}
.feedback-btn-submit:hover { background: var(--color-primary-hover); }
.feedback-btn-submit:disabled { opacity: .6; cursor: not-allowed; }
.feedback-nav-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,.82);
  font-size: 0.88rem;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  transition: color .15s;
}
.feedback-nav-btn:hover { color: #fff; }

/* ── Flash 消息 ── */
.flashes {
  list-style: none;
  margin-bottom: 1.2rem;
}
.flashes li {
  background: #eff6ff;
  border-left: 3px solid var(--color-accent);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--color-text);
  margin-bottom: 6px;
}

/* ── 登录 / 注册页 ── */
body.page-auth {
  background: linear-gradient(135deg, #1e3a5f 0%, #2d5282 50%, #1e3a5f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-container {
  width: 100%;
  max-width: 390px;
}
.login-card {
  background: var(--color-surface);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(30,58,95,.22);
  padding: 2.2rem 2rem;
  position: relative;
}
.login-home-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: var(--color-text-muted);
  transition: background .15s, color .15s;
}
.login-home-btn:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}
.login-header {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 0.4rem;
}
.login-header .logo-icon {
  width: 34px;
  height: 34px;
  background: url('/static/logo_navy.png') no-repeat center/contain;
}
.login-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}
.login-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 1.8rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-border);
}
.login-card .form-group { margin-bottom: 1.2rem; }
.login-card button[type="submit"] {
  width: 100%;
  padding: 0.8rem;
  background: var(--color-accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s;
  margin-top: 0.4rem;
  font-family: inherit;
}
.login-card button[type="submit"]:hover { background: var(--color-accent-hover); }
.footer-links {
  display: flex;
  justify-content: center;
  margin-top: 1.4rem;
  font-size: 0.88rem;
}
.footer-links a { color: var(--color-accent); }

/* ── 工具类 ── */
.hidden   { display: none !important; }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }
.warn-text    { font-size: 0.76rem; color: #d97706; margin-top: 3px; }
.success-text { font-size: 0.76rem; color: var(--color-success); margin-top: 3px; }
.hint         { font-size: 0.75rem; color: #aab; margin-top: 2px; }

/* ── 统一底部栏 ── */
.site-footer {
  height: var(--nav-height);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(255,255,255,.55);
  flex-shrink: 0;
  position: relative;
}
.site-footer a { color: rgba(255,255,255,.55); text-decoration: none; }
.site-footer a:hover { color: rgba(255,255,255,.85); }
.site-footer-logo {
  width: 16px; height: 16px;
  background: url('/static/logo.png') no-repeat center/contain;
  display: inline-block;
}

/* ── 全局右侧边栏 ── */
:root {
  --global-right-sidebar-width: 440px;
  --global-right-sidebar-collapsed-width: 0px;
}

.global-right-sidebar {
  position: fixed;
  top: var(--nav-height);
  bottom: var(--nav-height);
  right: 0;
  width: var(--global-right-sidebar-width);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: -6px 0 20px rgba(30,58,95,.10);
  z-index: 260;
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform .2s ease;
}

.global-right-sidebar.collapsed {
  transform: translateX(calc(100% - var(--global-right-sidebar-collapsed-width)));
}

body.global-right-open .main-container,
body.global-right-open .layout,
body.global-right-open .review-layout,
body.global-right-open .admin-layout,
body.global-right-open #agent-layout {
  padding-right: var(--global-right-sidebar-width);
  box-sizing: border-box;
}

.global-right-sidebar-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.global-right-sidebar-title {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.global-right-sidebar-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.global-right-tab-btn {
  border: 1px solid var(--color-border);
  background: #eef2f7;
  color: var(--color-text);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  cursor: pointer;
}

.global-right-tab-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.global-right-sidebar-body {
  flex: 1;
  overflow: auto;
  padding: 12px;
}

.global-right-tab-pane {
  display: none;
}

.global-right-tab-pane.active {
  display: block;
}

.global-right-tab-card textarea,
.global-right-tab-card input[type="text"],
.global-right-tab-card input[type="datetime-local"] {
  width: 100%;
  margin-top: 0;
}

.sidebar-tool-title {
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-muted);
}

.global-right-toggle {
  position: fixed;
  right: 0;
  top: calc(var(--nav-height) + 80px);
  z-index: 261;
  border: 1px solid var(--color-border);
  border-right: none;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 8px 0 0 8px;
  padding: 8px 10px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.global-right-toggle:hover {
  background: #eef2f7;
}

body.global-right-open .global-right-toggle {
  right: var(--global-right-sidebar-width);
}

[data-theme="dark"] .global-right-sidebar {
  background: #1a2744;
  border-left-color: var(--color-border);
  box-shadow: -6px 0 20px rgba(0,0,0,.35);
}

[data-theme="dark"] .global-right-tab-btn {
  background: #243558;
  color: var(--color-text);
  border-color: var(--color-border);
}

[data-theme="dark"] .global-right-tab-btn.active {
  background: var(--color-accent);
  color: #fff;
}

[data-theme="dark"] .global-right-tab-card {
  background: #1e3a5f;
  border-color: var(--color-border);
}

[data-theme="dark"] .global-right-toggle {
  background: #1a2744;
  border-color: var(--color-border);
}

/* ── 全局底部右侧控件 ── */
.topnav-right #themeToggleBtn {
  display: none !important;
}

.global-footer-controls {
  position: fixed;
  right: 14px;
  bottom: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 270;
  color: rgba(255,255,255,.82);
}

.global-footer-btn {
  height: 30px;
  min-width: 24px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,.92);
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0 4px;
}

.global-footer-btn:hover {
  color: #fff;
  background: transparent;
}

.global-footer-time {
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: rgba(255,255,255,.86);
  min-width: 138px;
  text-align: right;
}

[data-theme="dark"] .global-footer-btn {
  color: #fff;
  background: transparent;
}

/* ── 暗色主题 ── */
[data-theme="dark"] {
  --color-bg:         #1a3050;
  --color-surface:    #162d4a;
  --color-border:     #2d5282;
  --color-text:       #e2e8f0;
  --color-text-muted: #93c5fd;
}
[data-theme="dark"] body { background-color: var(--color-bg); color: var(--color-text); }
[data-theme="dark"] .content-panel,
[data-theme="dark"] .steps-panel,
[data-theme="dark"] .param-card,
[data-theme="dark"] .candidate-card,
[data-theme="dark"] .scheme-row,
[data-theme="dark"] .outline-editor,
[data-theme="dark"] .manual-doc-list { background: var(--color-surface); border-color: var(--color-border); }
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea { background: #1e3a5f; color: var(--color-text); border-color: var(--color-border); }
[data-theme="dark"] .node-title-input,
[data-theme="dark"] .node-requirement { background: #1e3a5f; color: var(--color-text); }
[data-theme="dark"] .eng-input { background: #1e3a5f; color: var(--color-text); }
[data-theme="dark"] .param-card-header { background: #1e3a5f; border-color: var(--color-border); }
[data-theme="dark"] .finance-sidebar { background: #162d4a; border-color: var(--color-border); }
[data-theme="dark"] .tab-btn { color: var(--color-text-muted); }
[data-theme="dark"] .tab-btn.active { background: var(--color-accent); color: #fff; }
[data-theme="dark"] #themeToggleBtn i.fa-moon { display: none; }
[data-theme="dark"] #themeToggleBtn i.fa-sun  { display: inline; }
[data-theme="light"] #themeToggleBtn i.fa-sun  { display: none; }
[data-theme="light"] #themeToggleBtn i.fa-moon { display: inline; }

/* ── 暗色主题补充：深海军蓝 #1a2744 ── */
[data-theme="dark"] .manual-ref-panel { background: #1a2744; border-color: var(--color-border); }
[data-theme="dark"] ::-webkit-scrollbar-track { background: #1a2744; }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #2d5282; border-radius: 4px; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: #3a6494; }

/* ── 用户下拉菜单 ── */
.nav-user-dropdown { position: relative; }
.nav-user-btn {
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,.82); font-size: 0.88rem;
  display: flex; align-items: center; padding: 4px 8px;
  border-radius: 6px; transition: background .15s; font-family: inherit;
}
.nav-user-btn:hover { background: rgba(255,255,255,.12); color: #fff; }
.nav-user-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 8px);
  background: #1e3a5f; border: 1px solid rgba(255,255,255,.15);
  border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,.18);
  min-width: 190px; z-index: 460; overflow: hidden;
}
.nav-user-menu.open { display: block; }
.nav-user-menu-item {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px; font-size: 0.85rem; color: rgba(255,255,255,.85);
  cursor: pointer; text-decoration: none; transition: background .12s;
}
.nav-user-menu-item:hover { background: rgba(255,255,255,.1); color: #fff; text-decoration: none; }
.nav-user-menu-item.disabled { color: rgba(255,255,255,.4); cursor: default; pointer-events: none; }
.nav-user-menu-item.disabled:hover { background: none; }
.nav-user-menu-item.danger { color: #c62828; }
.nav-user-menu-item.danger:hover { background: #fde8e8; color: #c62828; }
.nav-user-menu-divider { height: 1px; background: rgba(255,255,255,.15); margin: 2px 0; }
[data-theme="light"] .nav-user-btn { color: rgba(255,255,255,.82); }
[data-theme="light"] .nav-user-btn:hover { background: rgba(255,255,255,.12); color: #fff; }
[data-theme="dark"] .nav-user-menu { background: #1e2d42; border-color: #2e4a6a; box-shadow: 0 4px 20px rgba(0,0,0,.4); }
[data-theme="dark"] .nav-user-menu-item { color: #c8d8f0; }
[data-theme="dark"] .nav-user-menu-item:hover { background: #2a3f5c; color: #ffffff; }
[data-theme="dark"] .nav-user-menu-item.disabled { color: #5a7a9a; }
[data-theme="dark"] .nav-user-menu-item.danger { color: #ef9a9a; }
[data-theme="dark"] .nav-user-menu-item.danger:hover { background: #3d1f1f; color: #ef9a9a; }
[data-theme="dark"] .nav-user-menu-divider { background: #2e4a6a; }

/* ── 修改密码弹窗 ── */
.change-pwd-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.4); z-index: 400;
  align-items: center; justify-content: center;
}
.change-pwd-overlay.active { display: flex; }
.change-pwd-dialog {
  background: var(--color-surface); border-radius: 10px;
  padding: 24px; width: 340px;
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
}
.change-pwd-dialog h3 { margin: 0 0 16px; font-size: 1rem; color: var(--color-text); }

/* ── 权限管理页面 ── */
.admin-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.group-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.group-tag {
  display: inline-flex; align-items: center; gap: 4px;
  background: #e8eef6; border: 1px solid var(--color-border);
  border-radius: 20px; padding: 3px 10px; font-size: 0.82rem; color: var(--color-text);
}
.group-tag .del-group { background: none; border: none; cursor: pointer; color: var(--color-text-muted); padding: 0 2px; font-size: 0.75rem; }
.group-tag .del-group:hover { color: var(--color-danger); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
.admin-table th, .admin-table td { border: 1px solid var(--color-border); padding: 8px 10px; text-align: left; vertical-align: middle; }
.admin-table th { background: #f4f6f9; font-weight: 600; color: var(--color-text-muted); white-space: nowrap; }
.admin-table td.expired { color: var(--color-danger); }
.expire-input { width: 60px; padding: 3px 6px; border: 1px solid var(--color-border); border-radius: 4px; font-size: 0.82rem; font-family: inherit; }
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.4); z-index: 400;
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-dialog {
  background: var(--color-surface); border-radius: 10px;
  padding: 24px; width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
}
.modal-dialog h3 { margin: 0 0 16px; font-size: 1rem; }

/* ── 深色模式补充覆盖（全局共用类）── */
[data-theme="dark"] .form-section-title {
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .btn-secondary {
  background: #1a2744;
  color: var(--color-text);
  border-color: var(--color-border);
}
[data-theme="dark"] .btn-secondary:hover {
  background: #243558;
}

[data-theme="dark"] .candidate-card:hover {
  background: transparent;
  outline: 2px solid rgba(255,255,255,0.45);
  outline-offset: -1px;
}

[data-theme="dark"] .manual-doc-list {
  background: #1e3a5f;
  border-color: var(--color-border);
}
[data-theme="dark"] .manual-doc-item {
  border-bottom-color: var(--color-border);
  color: var(--color-text);
}
[data-theme="dark"] .manual-doc-item:hover {
  background: #243558;
}
[data-theme="dark"] .manual-doc-item.selected {
  background: #2d5282;
}

[data-theme="dark"] .node-title-input:hover,
[data-theme="dark"] .node-title-input:focus {
  background: #1e3a5f;
}

[data-theme="dark"] .eng-input,
[data-theme="dark"] .eng-select {
  background: #1e3a5f;
  color: var(--color-text);
  border-color: var(--color-border);
}
[data-theme="dark"] .eng-header {
  background: #1a2744;
  border-color: var(--color-border);
  color: var(--color-text-muted);
}
[data-theme="dark"] .eng-row {
  border-bottom-color: var(--color-border);
}
[data-theme="dark"] .eng-btn {
  background: #243558;
  color: var(--color-text);
}
[data-theme="dark"] .eng-btn-del {
  background: #3d1f1f;
  color: #ef9a9a;
}

[data-theme="dark"] .node-requirement {
  background: #1e3a5f;
  color: var(--color-text);
  border-color: var(--color-border);
}

/* ── 导航下拉菜单 ── */
.nav-dropdown {
  position: relative;
  display: inline-block;
}
.nav-dropdown-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-family: inherit;
  padding: 4px 8px;
  cursor: pointer;
  border-radius: 5px;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.nav-dropdown-btn:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.nav-dropdown.open .nav-dropdown-btn {
  background: rgba(255,255,255,0.18);
  color: #fff;
}
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 160px;
  box-shadow: 0 4px 16px rgba(30,58,95,.14);
  display: none;
  z-index: 460;
  overflow: hidden;
}
.nav-dropdown.open .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: block;
  padding: 9px 16px;
  color: var(--color-text);
  font-size: 0.88rem;
  text-decoration: none;
  transition: background .12s;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover {
  background: #eef1f6;
  color: var(--color-accent);
}
.nav-dropdown-menu a.active {
  background: #eef1f6;
  color: var(--color-accent);
  font-weight: 600;
}
.nav-dropdown-menu .nav-dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 0;
}
[data-theme="dark"] .nav-dropdown-menu {
  background: #1a2744;
  border-color: var(--color-border);
}
[data-theme="dark"] .nav-dropdown-menu a {
  color: var(--color-text);
}
[data-theme="dark"] .nav-dropdown-menu a:hover,
[data-theme="dark"] .nav-dropdown-menu a.active {
  background: #243558;
  color: #fff;
}