/* ═══════════════════════════════════════════════
   Ant Design 企业级问答中台 - 设计系统
   标准 Ant Design 规范，科技蓝 #1677FF
   ═══════════════════════════════════════════════ */

/* ── Ant Design 5 Design Tokens ── */
:root,
[data-theme="light"] {
  --ant-primary: #1677FF;
  --ant-primary-hover: #4096FF;
  --ant-primary-active: #0958D9;
  --ant-primary-bg: rgba(22,119,255,0.06);
  --ant-primary-border: rgba(22,119,255,0.35);
  
  --ant-success: #52C41A;
  --ant-warning: #FAAD14;
  --ant-error: #FF4D4F;
  --ant-info: #1677FF;
  
  --ant-text: rgba(0,0,0,0.88);
  --ant-text-secondary: rgba(0,0,0,0.65);
  --ant-text-tertiary: rgba(0,0,0,0.45);
  --ant-text-quaternary: rgba(0,0,0,0.25);
  
  --ant-bg: #F5F5F5;
  --ant-bg-container: #FFFFFF;
  --ant-bg-elevated: #FFFFFF;
  --ant-bg-layout: #F5F5F5;
  --ant-bg-spotlight: rgba(0,0,0,0.85);
  
  --ant-border: #D9D9D9;
  --ant-border-secondary: #F0F0F0;
  
  --ant-header-bg: #FFFFFF;
  --ant-sider-bg: #001529;
  --ant-sider-text: rgba(255,255,255,0.65);
  --ant-sider-text-active: #FFFFFF;
  --ant-sider-item-hover: rgba(255,255,255,0.08);
  --ant-sider-item-active: #1677FF;
  
  --ant-shadow: 0 1px 2px 0 rgba(0,0,0,0.03), 0 1px 6px -1px rgba(0,0,0,0.02), 0 2px 4px 0 rgba(0,0,0,0.02);
  --ant-shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.03);
  --ant-shadow-lg: 0 4px 12px 0 rgba(0,0,0,0.08), 0 1px 4px 0 rgba(0,0,0,0.04);
  
  --ant-radius: 6px;
  --ant-radius-lg: 8px;
  --ant-radius-sm: 4px;
  
  --ant-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ant-font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  
  --ant-header-height: 64px;
  --ant-sider-width: 220px;
  --ant-sider-collapsed-width: 64px;
}

/* ── Dark Theme ── */
[data-theme="dark"] {
  --ant-primary: #1668DC;
  --ant-primary-hover: #3C89E8;
  --ant-primary-active: #1554AD;
  --ant-primary-bg: rgba(22,104,220,0.15);
  --ant-primary-border: rgba(22,104,220,0.5);
  
  --ant-text: rgba(255,255,255,0.85);
  --ant-text-secondary: rgba(255,255,255,0.65);
  --ant-text-tertiary: rgba(255,255,255,0.45);
  --ant-text-quaternary: rgba(255,255,255,0.25);
  
  --ant-bg: #000000;
  --ant-bg-container: #141414;
  --ant-bg-elevated: #1F1F1F;
  --ant-bg-layout: #000000;
  
  --ant-border: #424242;
  --ant-border-secondary: #303030;
  
  --ant-header-bg: #141414;
  --ant-sider-bg: #001529;
  
  --ant-shadow: 0 1px 2px 0 rgba(0,0,0,0.3), 0 1px 6px -1px rgba(0,0,0,0.2), 0 2px 4px 0 rgba(0,0,0,0.2);
  --ant-shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.3);
  --ant-shadow-lg: 0 4px 12px 0 rgba(0,0,0,0.4), 0 1px 4px 0 rgba(0,0,0,0.3);
}

/* ── Global Reset ── */
* { box-sizing: border-box; }

body {
  font-family: var(--ant-font);
  background: var(--ant-bg-layout);
  color: var(--ant-text);
  font-size: 14px;
  line-height: 1.5715;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

/* ── Ant Design Layout ── */
.ant-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--ant-bg-layout);
}

.ant-layout-has-sider {
  flex-direction: row;
}

/* ── Sider ── */
.ant-sider {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: var(--ant-sider-width);
  background: var(--ant-sider-bg);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.2s;
  box-shadow: 2px 0 8px rgba(0,0,0,0.1);
}

.ant-sider-logo {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.ant-sider-logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.ant-sider-logo a i {
  font-size: 22px;
  color: var(--ant-primary);
}

.ant-sider-menu {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.ant-sider-menu .menu-section {
  padding: 4px 0;
}

.ant-sider-menu .menu-section-title {
  padding: 4px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.35);
  margin-top: 8px;
}

.ant-sider-menu .menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  margin: 1px 8px;
  border-radius: var(--ant-radius);
  color: var(--ant-sider-text);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s;
  cursor: pointer;
  min-height: 40px;
}

.ant-sider-menu .menu-item:hover {
  background: var(--ant-sider-item-hover);
  color: var(--ant-sider-text-active);
}

.ant-sider-menu .menu-item.active {
  background: var(--ant-sider-item-active);
  color: #fff;
  font-weight: 500;
}

.ant-sider-menu .menu-item i {
  width: 16px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}

/* ── Header ── */
.ant-header {
  height: var(--ant-header-height);
  background: var(--ant-header-bg);
  border-bottom: 1px solid var(--ant-border-secondary);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 99;
  box-shadow: var(--ant-shadow-sm);
  transition: background 0.2s;
  margin-left: var(--ant-sider-width);
}

.ant-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.ant-header-left .sider-trigger {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ant-radius);
  cursor: pointer;
  color: var(--ant-text);
  font-size: 16px;
  transition: all 0.15s;
  background: transparent;
  border: none;
}

.ant-header-left .sider-trigger:hover {
  background: var(--ant-primary-bg);
  color: var(--ant-primary);
}

/* ── Ant Design Breadcrumb ── */
.ant-breadcrumb {
  font-size: 14px;
  color: var(--ant-text-tertiary);
  display: flex;
  align-items: center;
}

.ant-breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0;
}

.ant-breadcrumb li {
  list-style: none;
}

.ant-breadcrumb a {
  color: var(--ant-text-tertiary);
  text-decoration: none;
  transition: color 0.15s;
}

.ant-breadcrumb a:hover {
  color: var(--ant-primary);
}

.ant-breadcrumb .ant-breadcrumb-separator {
  margin: 0 8px;
  color: var(--ant-text-quaternary);
  font-size: 12px;
}

.ant-breadcrumb li:last-child {
  color: var(--ant-text-secondary);
  font-weight: 500;
}

/* ── Search Bar (Header) ── */
.ant-search-bar {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 0 40px;
}

.ant-search-wrapper {
  display: flex;
  align-items: center;
  max-width: 500px;
  width: 100%;
  border: 1px solid var(--ant-border);
  border-radius: var(--ant-radius);
  background: var(--ant-bg);
  transition: all 0.2s;
  overflow: hidden;
}

.ant-search-wrapper:focus-within {
  border-color: var(--ant-primary);
  box-shadow: 0 0 0 2px var(--ant-primary-bg);
}

.ant-search-select {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px 4px 12px;
  border-right: 1px solid var(--ant-border);
  font-size: 13px;
  color: var(--ant-text-secondary);
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
  background: transparent;
  border-top: none;
  border-left: none;
  border-bottom: none;
  min-height: 36px;
}

.ant-search-select:hover {
  background: var(--ant-primary-bg);
}

.ant-search-select i {
  font-size: 10px;
  color: var(--ant-text-quaternary);
}

.ant-search-input {
  flex: 1;
  border: none;
  padding: 4px 12px;
  font-size: 14px;
  color: var(--ant-text);
  background: transparent;
  outline: none;
  min-height: 36px;
}

.ant-search-input::placeholder {
  color: var(--ant-text-quaternary);
}

.ant-search-btn {
  width: 40px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ant-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s;
  flex-shrink: 0;
}

.ant-search-btn:hover {
  background: var(--ant-primary-hover);
}

/* ── Header Right ── */
.ant-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.ant-header-action {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ant-radius);
  border: none;
  background: transparent;
  color: var(--ant-text);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
}

.ant-header-action:hover {
  background: var(--ant-primary-bg);
  color: var(--ant-primary);
}

.ant-badge-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 7px;
  height: 7px;
  background: var(--ant-error);
  border-radius: 50%;
  border: 1px solid var(--ant-header-bg);
}

.ant-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ant-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  overflow: hidden;
  flex-shrink: 0;
}

.ant-avatar:hover {
  box-shadow: 0 0 0 2px var(--ant-primary-border);
}

.ant-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ant-avatar-default {
  background: var(--ant-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
}

/* ── Main Content ── */
.ant-content {
  margin-left: var(--ant-sider-width);
  padding: 24px;
  padding-top: 20px;
  min-height: calc(100vh - var(--ant-header-height));
  background: var(--ant-bg-layout);
  transition: background 0.2s;
}

/* ── Ant Card ── */
.ant-card {
  background: var(--ant-bg-container);
  border-radius: var(--ant-radius-lg);
  border: 1px solid var(--ant-border-secondary);
  transition: box-shadow 0.2s, background 0.2s;
  margin-bottom: 16px;
}

.ant-card-bordered {
  border: 1px solid var(--ant-border-secondary);
}

.ant-card:hover {
  box-shadow: var(--ant-shadow);
}

.ant-card-head {
  padding: 0 20px;
  min-height: 48px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--ant-border-secondary);
  font-weight: 600;
  font-size: 15px;
  color: var(--ant-text);
}

.ant-card-head .ant-card-head-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ant-card-head .ant-card-head-title i {
  color: var(--ant-primary);
  font-size: 16px;
}

.ant-card-body {
  padding: 20px;
}

.ant-card-extra {
  margin-left: auto;
  font-size: 13px;
  color: var(--ant-primary);
  cursor: pointer;
}

/* ── Ant Table (styled list) ── */
.ant-table {
  font-size: 14px;
  color: var(--ant-text);
  background: var(--ant-bg-container);
  border-radius: var(--ant-radius-lg);
}

.ant-table-item {
  padding: 16px 20px;
  border-bottom: 1px solid var(--ant-border-secondary);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: background 0.15s;
}

.ant-table-item:last-child {
  border-bottom: none;
}

.ant-table-item:hover {
  background: var(--ant-primary-bg);
}

.ant-table-item .item-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--ant-primary-bg);
  overflow: hidden;
}

.ant-table-item .item-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ant-table-item .item-content {
  flex: 1;
  min-width: 0;
}

.ant-table-item .item-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--ant-text);
  margin-bottom: 4px;
  line-height: 1.5;
}

.ant-table-item .item-title a {
  color: var(--ant-text);
  text-decoration: none;
  transition: color 0.15s;
}

.ant-table-item .item-title a:hover {
  color: var(--ant-primary);
}

.ant-table-item .item-desc {
  font-size: 13px;
  color: var(--ant-text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ant-table-item .item-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--ant-text-tertiary);
}

.ant-table-item .item-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ── Ant Tag ── */
.ant-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-size: 12px;
  line-height: 20px;
  border-radius: var(--ant-radius-sm);
  border: 1px solid var(--ant-border);
  background: var(--ant-bg);
  color: var(--ant-text-secondary);
  transition: all 0.15s;
  white-space: nowrap;
}

.ant-tag a {
  color: var(--ant-text-secondary);
  text-decoration: none;
}

.ant-tag:hover {
  border-color: var(--ant-primary);
  color: var(--ant-primary);
}

.ant-tag-blue {
  color: var(--ant-primary);
  background: var(--ant-primary-bg);
  border-color: var(--ant-primary-border);
}

.ant-tag-green {
  color: var(--ant-success);
  background: rgba(82,196,26,0.06);
  border-color: rgba(82,196,26,0.35);
}

.ant-tag-orange {
  color: #FA8C16;
  background: rgba(250,140,22,0.06);
  border-color: rgba(250,140,22,0.35);
}

.ant-tag-red {
  color: var(--ant-error);
  background: rgba(255,77,79,0.06);
  border-color: rgba(255,77,79,0.35);
}

/* ── Ant Button ── */
.ant-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 32px;
  padding: 4px 15px;
  font-size: 14px;
  line-height: 1.5715;
  border-radius: var(--ant-radius);
  border: 1px solid var(--ant-border);
  background: var(--ant-bg-container);
  color: var(--ant-text);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--ant-font);
}

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

.ant-btn:active {
  color: var(--ant-primary-active);
  border-color: var(--ant-primary-active);
}

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

.ant-btn-primary:hover {
  background: var(--ant-primary-hover);
  border-color: var(--ant-primary-hover);
  color: #fff;
}

.ant-btn-primary:active {
  background: var(--ant-primary-active);
  border-color: var(--ant-primary-active);
}

.ant-btn-sm {
  height: 24px;
  padding: 0 7px;
  font-size: 12px;
}

.ant-btn-text {
  border: none;
  background: transparent;
  color: var(--ant-text-secondary);
}

.ant-btn-text:hover {
  background: var(--ant-primary-bg);
  color: var(--ant-primary);
}

.ant-btn-link {
  border: none;
  background: transparent;
  color: var(--ant-primary);
}

.ant-btn-link:hover {
  color: var(--ant-primary-hover);
}

/* ── Ant Pagination ── */
.ant-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 20px 0;
  font-size: 13px;
}

.ant-pagination .page-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 6px;
  border: 1px solid var(--ant-border);
  border-radius: var(--ant-radius);
  background: var(--ant-bg-container);
  color: var(--ant-text);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  font-size: 13px;
}

.ant-pagination .page-item:hover {
  color: var(--ant-primary);
  border-color: var(--ant-primary);
}

.ant-pagination .page-item.active {
  background: var(--ant-primary);
  border-color: var(--ant-primary);
  color: #fff;
  font-weight: 500;
}

.ant-pagination .page-item.disabled {
  color: var(--ant-text-quaternary);
  cursor: not-allowed;
  border-color: var(--ant-border);
}

.ant-pagination .page-item.disabled:hover {
  color: var(--ant-text-quaternary);
  border-color: var(--ant-border);
}

.ant-pagination .page-info {
  color: var(--ant-text-secondary);
  font-size: 13px;
  margin: 0 8px;
}

/* ── Ant Alert ── */
.ant-alert {
  padding: 8px 12px;
  border-radius: var(--ant-radius);
  border: 1px solid;
  font-size: 13px;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.ant-alert-info {
  background: rgba(22,119,255,0.06);
  border-color: var(--ant-primary-border);
  color: var(--ant-text-secondary);
}

.ant-alert-info i:first-child {
  color: var(--ant-primary);
  font-size: 14px;
  margin-top: 2px;
}

.ant-alert-warning {
  background: rgba(250,173,20,0.06);
  border-color: rgba(250,173,20,0.35);
  color: var(--ant-text-secondary);
}

.ant-alert-warning i:first-child {
  color: var(--ant-warning);
}

.ant-alert .ant-alert-content {
  flex: 1;
}

.ant-alert .ant-alert-content strong {
  color: var(--ant-text);
  display: block;
  font-weight: 600;
}

/* ── Sidebar Ranking ── */
.ant-list-split {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ant-list-split .ant-list-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--ant-border-secondary);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.ant-list-split .ant-list-item:last-child {
  border-bottom: none;
}

.ant-list-split .ant-list-item .rank-num {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ant-radius-sm);
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 1px;
}

.ant-list-split .ant-list-item .rank-num.top-1 {
  background: #F5222D;
  color: #fff;
}

.ant-list-split .ant-list-item .rank-num.top-2 {
  background: #FA8C16;
  color: #fff;
}

.ant-list-split .ant-list-item .rank-num.top-3 {
  background: #FAAD14;
  color: #fff;
}

.ant-list-split .ant-list-item .rank-num.normal {
  background: var(--ant-bg);
  color: var(--ant-text-tertiary);
}

.ant-list-split .ant-list-item .rank-content {
  flex: 1;
  min-width: 0;
}

.ant-list-split .ant-list-item .rank-content a {
  color: var(--ant-text-secondary);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.5;
  transition: color 0.15s;
  display: block;
}

.ant-list-split .ant-list-item .rank-content a:hover {
  color: var(--ant-primary);
}

.ant-list-split .ant-list-item .rank-meta {
  font-size: 11px;
  color: var(--ant-text-quaternary);
  margin-top: 2px;
}

/* ── Article Content ── */
.ant-article {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ant-text);
}

.ant-article p {
  margin-bottom: 1em;
}

.ant-article img {
  max-width: 100%;
  border-radius: var(--ant-radius);
  margin: 16px 0;
}

.ant-article h1, .ant-article h2, .ant-article h3, .ant-article h4 {
  font-weight: 600;
  color: var(--ant-text);
  margin: 1.2em 0 0.6em;
}

/* ── Answer Item ── */
.ant-comment {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ant-border-secondary);
  transition: background 0.15s;
}

.ant-comment:hover {
  background: var(--ant-primary-bg);
}

.ant-comment:last-child {
  border-bottom: none;
}

.ant-comment .ant-comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--ant-primary-bg);
  overflow: hidden;
}

.ant-comment .ant-comment-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ant-comment .ant-comment-inner {
  flex: 1;
  min-width: 0;
}

.ant-comment .ant-comment-author {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.ant-comment .ant-comment-author .name {
  font-size: 14px;
  font-weight: 500;
  color: var(--ant-text);
}

.ant-comment .ant-comment-author .time {
  font-size: 12px;
  color: var(--ant-text-tertiary);
}

.ant-comment .ant-comment-content {
  font-size: 14px;
  color: var(--ant-text-secondary);
  line-height: 1.6;
}

.ant-comment .ant-comment-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--ant-text-tertiary);
}

.ant-comment .ant-comment-actions button {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--ant-text-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  font-size: 12px;
  transition: color 0.15s;
}

.ant-comment .ant-comment-actions button:hover {
  color: var(--ant-primary);
}

/* ── Ant Statistic ── */
.ant-statistic {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 12px;
}

.ant-statistic .ant-statistic-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--ant-text);
  line-height: 1.4;
}

.ant-statistic .ant-statistic-label {
  font-size: 12px;
  color: var(--ant-text-tertiary);
  line-height: 1.4;
}

/* ── Grid System ── */
.ant-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.ant-col-16 {
  flex: 0 0 calc(66.666% - 8px);
  max-width: calc(66.666% - 8px);
}

.ant-col-8 {
  flex: 0 0 calc(33.333% - 8px);
  max-width: calc(33.333% - 8px);
}

@media (max-width: 991px) {
  .ant-col-16, .ant-col-8 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* ── Action Buttons Row ── */
.ant-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.ant-actions .ant-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--ant-radius);
  color: var(--ant-text-tertiary);
  font-size: 13px;
  transition: all 0.15s;
}

.ant-actions .ant-action-btn:hover {
  color: var(--ant-primary);
  background: var(--ant-primary-bg);
}

.ant-actions .ant-action-btn.liked {
  color: var(--ant-primary);
}

/* ── Theme Toggle ── */
.ant-theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ant-radius);
  border: none;
  background: transparent;
  color: var(--ant-text);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s;
}

.ant-theme-toggle:hover {
  background: var(--ant-primary-bg);
  color: var(--ant-primary);
}

/* ── Footer ── */
.ant-footer {
  text-align: center;
  padding: 20px 24px;
  font-size: 13px;
  color: var(--ant-text-tertiary);
  border-top: 1px solid var(--ant-border-secondary);
  background: var(--ant-bg-container);
  transition: background 0.2s;
}

/* ── Spacing Utilities ── */
.ant-mb-16 { margin-bottom: 16px; }
.ant-mb-8 { margin-bottom: 8px; }
.ant-mt-16 { margin-top: 16px; }
.ant-p-20 { padding: 20px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .ant-sider {
    width: 0 !important;
    overflow: hidden;
  }
  .ant-sider-logo span,
  .ant-sider .menu-section-title,
  .ant-sider .menu-item span {
    display: none;
  }
  .ant-header {
    margin-left: 0;
  }
  .ant-content {
    margin-left: 0;
    padding: 16px;
  }
  .ant-search-bar {
    padding: 0 10px;
  }
}

@media (max-width: 576px) {
  .ant-search-bar {
    display: none;
  }
  .ant-header {
    padding: 0 12px;
  }
}

/* ── Focus States ── */
:focus-visible {
  outline: 2px solid var(--ant-primary);
  outline-offset: 1px;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ant-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ant-text-quaternary); }