/* ============================================
   汇率对换专业平台 - 基于 mTab 主题
   Primary #1664FF · BG #F6F8FA · Max 1200
   ============================================ */

:root {
  --primary: #1664FF;
  --primary-hover: #387BFF;
  --primary-strong: #0055FF;
  --primary-1: #F3F7FF;
  --primary-2: #EBF1FF;
  --primary-4: #6E9FFF;
  --primary-6: #1664FF;

  --bg-soft: #F6F8FA;
  --bg-white: #FFFFFF;
  --bg-4: #F6F8FA;

  --text-1: #0C0D0E;
  --text-2: #42464E;
  --text-3: #737A87;
  --text-4: #94A3B8;

  --border-1: #F1F4F8;
  --border-2: #EAEDF1;
  --border-3: #D8DCE1;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-1: 0px 1px 2px 0px rgba(12, 13, 14, 0.05);
  --shadow-2: 0px 2px 6px 0px rgba(12, 13, 14, 0.08);
  --shadow-3: 0px 5px 15px 0px rgba(12, 13, 14, 0.08);

  --max-width: 1200px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --nav-h: 48px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-1);
  background: var(--bg-soft);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--primary); text-decoration: none; transition: color 150ms ease; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; height: auto; vertical-align: middle; }
time { color: var(--text-3); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-3); border-radius: 3px; }

.mtab-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.mtab-content {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) var(--space-8);
  flex: 1;
}

/* ========== TopNav ========== */
.mtab-header {
  height: var(--nav-h);
  background: var(--bg-white);
  box-shadow: var(--shadow-1);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

.mtab-header-inner {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.mtab-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-right: var(--space-8);
  color: var(--text-1);
  font-weight: 700;
  font-size: 15px;
}

.mtab-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.mtab-logo-text {
  letter-spacing: 0.5px;
}

.mtab-nav { flex: 1; }

.mtab-nav-list {
  display: flex;
  align-items: center;
  gap: 0;
}

.mtab-nav-link {
  display: inline-flex;
  align-items: center;
  height: var(--nav-h);
  padding: 0 var(--space-4);
  font-size: 14px;
  color: var(--text-2);
  transition: all 150ms ease;
  position: relative;
}

.mtab-nav-link:hover {
  color: var(--primary);
}

.mtab-nav-link-current {
  color: var(--primary);
  font-weight: 600;
}

.mtab-nav-link-current::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.mtab-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mtab-header-search {
  display: flex;
  align-items: center;
}

.mtab-header-search-input {
  height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  font-size: 13px;
  background: var(--bg-soft);
  color: var(--text-1);
  outline: none;
  width: 200px;
  transition: all 150ms ease;
}

.mtab-header-search-input:focus {
  border-color: var(--primary);
  background: var(--bg-white);
  width: 240px;
}

/* ========== Hero ========== */
.mtab-hero {
  position: relative;
  background: linear-gradient(135deg, #EBF1FF 0%, #F3F7FF 50%, #FFFFFF 100%);
  padding: var(--space-8) var(--space-6);
  overflow: hidden;
}

.mtab-hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mtab-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.6;
}

.mtab-hero-orb-a {
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(22, 100, 255, 0.3), transparent 70%);
  top: -60px; left: -40px;
}
.mtab-hero-orb-b {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(56, 123, 255, 0.25), transparent 70%);
  bottom: -80px; right: 20%;
}
.mtab-hero-orb-c {
  width: 180px; height: 180px;
  background: radial-gradient(circle, rgba(110, 159, 255, 0.25), transparent 70%);
  top: 30%; right: -40px;
}

.mtab-hero-inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.mtab-hero-copy {
  flex: 1;
  min-width: 0;
}

.mtab-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-white);
  border: 1px solid var(--primary-2);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--primary);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-1);
}

.mtab-hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 100, 255, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

.mtab-hero-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-1);
  margin-bottom: var(--space-3);
  letter-spacing: -0.5px;
}

.mtab-hero-subtitle {
  font-size: 16px;
  color: var(--text-3);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.mtab-hero-ctas {
  display: flex;
  gap: var(--space-3);
}

.mtab-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px var(--space-5);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: all 150ms ease;
  cursor: pointer;
}

.mtab-hero-cta-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 8px rgba(22, 100, 255, 0.3);
}

.mtab-hero-cta-primary:hover {
  background: var(--primary-strong);
  color: white;
  transform: translateY(-1px);
}

.mtab-hero-cta-ghost {
  background: var(--bg-white);
  color: var(--text-2);
  border: 1px solid var(--border-2);
}

.mtab-hero-cta-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.mtab-hero-panel {
  width: 360px;
  flex-shrink: 0;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
  overflow: hidden;
  border: 1px solid var(--border-2);
}

.mtab-hero-panel-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-1);
}

.mtab-hero-panel-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.mtab-hero-panel-title {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
}

.mtab-hero-panel-body {
  padding: var(--space-2);
}

.mtab-hero-post {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-2);
  transition: background 150ms ease;
}

.mtab-hero-post:hover {
  background: var(--primary-1);
  color: var(--primary);
}

.mtab-hero-post-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}

.mtab-hero-post-meta {
  font-size: 11px;
  color: var(--text-4);
  flex-shrink: 0;
}

/* ========== Chips ========== */
.mtab-chips-block {
  max-width: var(--max-width);
  margin: var(--space-6) auto 0;
  padding: 0 var(--space-6);
}

.mtab-chips-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.mtab-chips-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
}

.mtab-chips-hint {
  font-size: 13px;
  color: var(--text-3);
}

.mtab-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.mtab-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-2);
  transition: all 150ms ease;
}

.mtab-chip:hover {
  border-color: var(--primary);
  background: var(--primary-1);
  color: var(--primary);
}

.mtab-chip-count {
  background: var(--bg-soft);
  color: var(--text-3);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 999px;
  font-weight: 600;
}

.mtab-chip:hover .mtab-chip-count {
  background: var(--bg-white);
  color: var(--primary);
}

/* ========== Section header ========== */
.mtab-section-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin: var(--space-8) 0 var(--space-5);
}

.mtab-section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
}

.mtab-section-count {
  font-size: 13px;
  color: var(--text-3);
}

/* ========== Skill grid (cards) ========== */
.mtab-skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.mtab-skill-card {
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all 200ms ease;
}

.mtab-skill-card:hover {
  box-shadow: var(--shadow-3);
  transform: translateY(-2px);
  border-color: transparent;
}

.mtab-skill-cover {
  display: block;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-4);
}

.mtab-skill-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.mtab-skill-card:hover .mtab-skill-cover img {
  transform: scale(1.05);
}

.mtab-skill-body {
  padding: var(--space-4);
}

.mtab-skill-header {
  margin-bottom: var(--space-2);
}

.mtab-skill-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.mtab-skill-title a {
  color: var(--text-1);
}

.mtab-skill-title a:hover {
  color: var(--primary);
}

.mtab-skill-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.mtab-skill-divider {
  height: 1px;
  background: var(--border-1);
  margin: var(--space-3) 0;
}

.mtab-skill-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mtab-skill-author {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-3);
}

.mtab-avatar {
  display: inline-flex;
  width: 24px; height: 24px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--primary-2);
}

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

.mtab-skill-stats {
  display: flex;
  gap: var(--space-2);
  font-size: 12px;
  color: var(--text-4);
}

.mtab-stat-item {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

/* ========== Pagination ========== */
.mtab-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-8);
}

.mtab-pagination a, .mtab-page-link, .mtab-page-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-2);
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  transition: all 150ms ease;
}

.mtab-pagination a:hover, .mtab-page-link:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.mtab-page-current {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ========== Breadcrumb ========== */
.mtab-breadcrumb {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: var(--space-4);
}

.mtab-breadcrumb a {
  color: var(--text-3);
}

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

/* ========== Article card (single post) ========== */
.mtab-article-card {
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.mtab-article-header {
  padding: var(--space-6) var(--space-6) var(--space-4);
}

.mtab-article-title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-1);
  margin-bottom: var(--space-3);
}

.mtab-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  align-items: center;
  font-size: 13px;
  color: var(--text-3);
  padding: var(--space-3) 0;
  border-top: 1px dashed var(--border-2);
  border-bottom: 1px dashed var(--border-2);
}

.mtab-article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mtab-meta-icon {
  font-size: 14px;
  opacity: 0.7;
}

.mtab-article-cat {
  margin-left: auto;
}

.mtab-article-cat a {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  background: var(--primary-1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
}

.mtab-article-cover {
  width: 100%;
  aspect-ratio: 16/8;
  overflow: hidden;
  background: var(--bg-4);
}

.mtab-article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mtab-article-body {
  padding: var(--space-6);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-2);
}

.mtab-article-body p {
  margin-bottom: var(--space-4);
}

.mtab-article-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-1);
  margin: var(--space-6) 0 var(--space-3);
  padding-left: 10px;
  border-left: 3px solid var(--primary);
}

.mtab-article-body img {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-5) 0;
  cursor: zoom-in;
}

.mtab-article-body blockquote {
  background: var(--primary-1);
  border-left: 4px solid var(--primary);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--space-5) 0;
  color: var(--text-1);
  font-size: 14px;
}

.mtab-article-tags {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.mtab-article-tags-label {
  font-size: 13px;
  color: var(--text-3);
  margin-right: var(--space-2);
}

.mtab-chip-inline {
  font-size: 12px;
  padding: 3px 10px;
}

/* ========== Neighbor (prev/next) ========== */
.mtab-neighbor-log {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.mtab-prev-log,
.mtab-next-log {
  flex: 1;
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: 13px;
  color: var(--text-2);
  transition: all 150ms ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mtab-prev-log:hover,
.mtab-next-log:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.mtab-prev-disabled,
.mtab-next-disabled {
  color: var(--text-4);
  cursor: not-allowed;
  background: var(--bg-soft);
}

.mtab-prev-disabled:hover,
.mtab-next-disabled:hover {
  border-color: var(--border-2);
  color: var(--text-4);
}

/* ========== Comments ========== */
.mtab-comment-area {
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-4);
  box-shadow: var(--shadow-1);
}

.mtab-comments-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-1);
}

.mtab-comment-list {
  margin-bottom: var(--space-5);
}

.mtab-comment {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-1);
}

.mtab-comment-body {
  flex: 1;
}

.mtab-comment-author {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 4px;
}

.mtab-comment-author time {
  font-weight: normal;
  color: var(--text-4);
  font-size: 12px;
  margin-left: var(--space-2);
}

.mtab-comment-text {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

.mtab-comment-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mtab-comment-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-2);
}

.mtab-comment-fields input,
.mtab-comment-form textarea {
  height: 38px;
  padding: 0 var(--space-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  color: var(--text-1);
  outline: none;
  transition: border-color 150ms ease;
  background: var(--bg-soft);
}

.mtab-comment-form textarea {
  height: auto;
  padding: var(--space-3);
  resize: vertical;
  min-height: 90px;
}

.mtab-comment-fields input:focus,
.mtab-comment-form textarea:focus {
  border-color: var(--primary);
  background: var(--bg-white);
}

.mtab-comment-actions {
  display: flex;
  gap: var(--space-2);
}

.mtab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-2);
  background: var(--bg-white);
  color: var(--text-2);
  transition: all 150ms ease;
  font-family: inherit;
}

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

.mtab-btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

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

.mtab-btn-ghost {
  background: var(--bg-soft);
  color: var(--text-3);
}

/* ========== Upload Card ========== */
.mtab-upload-card {
  background: var(--bg-white);
  border: 2px dashed var(--border-3);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  margin-bottom: var(--space-4);
  transition: all 200ms ease;
  cursor: pointer;
}

.mtab-upload-card.drag-over {
  border-color: var(--primary);
  background: var(--primary-1);
}

.mtab-upload-icon {
  font-size: 48px;
  margin-bottom: var(--space-3);
  opacity: 0.7;
}

.mtab-upload-card p {
  margin: 6px 0;
  color: var(--text-2);
}

.mtab-upload-hint {
  font-size: 12px;
  color: var(--text-4);
}

.mtab-upload-card label.mtab-btn-primary {
  margin-top: var(--space-3);
}

/* ========== Manage Toolbar ========== */
.mtab-manage-toolbar {
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-1);
}

.mtab-manage-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 2px;
}

.mtab-stats {
  font-size: 12px;
  color: var(--text-3);
}

.mtab-btn-group {
  display: flex;
  gap: var(--space-2);
}

/* ========== Gallery ========== */
.mtab-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
}

.mtab-gallery-item {
  background: var(--bg-white);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 200ms ease;
}

.mtab-gallery-item:hover {
  box-shadow: var(--shadow-2);
  border-color: transparent;
}

.mtab-gallery-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  cursor: zoom-in;
  display: block;
}

.mtab-gallery-info {
  padding: var(--space-3);
}

.mtab-gallery-name {
  font-size: 13px;
  color: var(--text-1);
  font-weight: 500;
  margin-bottom: 4px;
  word-break: break-all;
  line-height: 1.4;
}

.mtab-gallery-meta {
  font-size: 11px;
  color: var(--text-4);
  margin-bottom: var(--space-3);
}

.mtab-gallery-actions {
  display: flex;
  gap: 6px;
}

.mtab-gallery-actions button {
  flex: 1;
  font-size: 12px;
  padding: 5px 0;
  border: 1px solid var(--border-2);
  background: var(--bg-soft);
  color: var(--text-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  transition: all 150ms ease;
}

.mtab-gallery-actions button:hover {
  background: var(--primary-1);
  color: var(--primary);
  border-color: var(--primary-2);
}

.mtab-gallery-actions button.mtab-btn-danger:hover {
  background: #FEE;
  color: #B91C1C;
  border-color: #FCC;
}

.mtab-gallery-empty {
  background: var(--bg-white);
  border: 1px dashed var(--border-3);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  color: var(--text-3);
}

.mtab-empty-icon {
  font-size: 48px;
  margin-bottom: var(--space-3);
  opacity: 0.4;
}

/* ========== Lightbox ========== */
.mtab-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: var(--space-5);
  cursor: zoom-out;
}

.mtab-lightbox.active {
  display: flex;
}

.mtab-lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-md);
}

.mtab-lightbox-close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-8);
  color: white;
  font-size: 36px;
  cursor: pointer;
  line-height: 1;
  user-select: none;
  z-index: 1;
}

.mtab-lightbox-close:hover {
  opacity: 0.7;
}

.mtab-lightbox-caption {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: #ddd;
  font-size: 13px;
  background: rgba(0, 0, 0, 0.6);
  padding: 6px var(--space-4);
  border-radius: var(--radius-sm);
  max-width: 80vw;
  text-align: center;
}

/* ========== Footer ========== */
.mtab-footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border-2);
  margin-top: auto;
  flex-shrink: 0;
}

.mtab-footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-6);
}

.mtab-footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: var(--space-3);
}

.mtab-footer-col p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}

.mtab-footer-col ul li {
  font-size: 13px;
  padding: 4px 0;
}

.mtab-footer-col ul li a {
  color: var(--text-3);
}

.mtab-footer-col ul li a:hover {
  color: var(--primary);
}

.mtab-footer-bottom {
  border-top: 1px solid var(--border-1);
  text-align: center;
  padding: var(--space-4);
  font-size: 12px;
  color: var(--text-4);
}

.mtab-footer-bottom a {
  color: var(--text-3);
}

/* ========== Responsive ========== */
@media screen and (max-width: 1024px) {
  .mtab-hero-inner { flex-direction: column; }
  .mtab-hero-panel { width: 100%; }
  .mtab-hero-title { font-size: 32px; }
  .mtab-comment-fields { grid-template-columns: 1fr; }
  .mtab-footer-inner { grid-template-columns: 1fr 1fr; }
}

@media screen and (max-width: 640px) {
  .mtab-header-search-input { display: none; }
  .mtab-hero { padding: var(--space-6) var(--space-4); }
  .mtab-hero-title { font-size: 26px; }
  .mtab-content { padding: var(--space-4) var(--space-3) var(--space-6); }
  .mtab-article-header,
  .mtab-article-body,
  .mtab-article-tags { padding: var(--space-4); }
  .mtab-article-title { font-size: 20px; }
  .mtab-comment-area { padding: var(--space-4); }
  .mtab-footer-inner { grid-template-columns: 1fr; }
  .mtab-skill-grid { grid-template-columns: 1fr; }
}