:root {
    --gold: #C9A84C;
    --gold-light: #E8D5A3;
    --gold-dark: #8B6914;
    --black: #0A0A0A;
    --dark: #111111;
    --dark-2: #1A1A1A;
    --dark-3: #222222;
    --dark-4: #2A2A2A;
    --gray: #888888;
    --gray-light: #CCCCCC;
    --white: #F5F0E8;
    --silver: #C0C0C0;
    --success: #4CAF7D;
    --warning: #E8A84C;
    --error: #E84C4C;
    --accent: var(--gold);
    --accent-light: var(--gold-light);
    --accent-dark: var(--gold-dark);
    --header-bg: rgba(10,10,10,0.9);
    --header-border: rgba(201,168,76,0.15);
    --sidebar-bg: var(--dark);
    --sidebar-border: rgba(201,168,76,0.1);
    --card-bg: var(--dark-2);
    --card-border: rgba(255,255,255,0.06);
    --card-hover-border: rgba(201,168,76,0.2);
    --input-bg: var(--dark-3);
    --input-border: rgba(255,255,255,0.08);
    --input-focus-border: rgba(201,168,76,0.4);
    --btn-primary-bg: linear-gradient(135deg, var(--gold), var(--gold-dark));
    --btn-primary-text: #000;
    --body-glow1: rgba(201,168,76,0.05);
    --body-glow2: rgba(192,192,192,0.03);
    --nav-hover: rgba(201,168,76,0.08);
    --nav-active: rgba(201,168,76,0.12);
    --tag-gold-bg: rgba(201,168,76,0.12);
    --tag-gold-border: rgba(201,168,76,0.3);
    --divider: rgba(201,168,76,0.2);
    --alert-bg: rgba(201,168,76,0.06);
    --alert-border: rgba(201,168,76,0.2);
    --scroll-thumb: var(--dark-4);
  }

  /* ═══ LIGHT THEME ═══ */
  [data-theme="light"] {
    --black: #FAFAF5;
    --dark: #F2F0EB;
    --dark-2: #FFFFFF;
    --dark-3: #F5F3EE;
    --dark-4: #EBE8E2;
    --gray: #8A8578;
    --gray-light: #6B6560;
    --white: #1A1714;
    --silver: #7A7570;
    --gold: #A68A3A;
    --gold-light: #8B7330;
    --gold-dark: #C9A84C;
    --accent: #A68A3A;
    --accent-light: #8B7330;
    --accent-dark: #C9A84C;
    --header-bg: rgba(250,250,245,0.95);
    --header-border: rgba(166,138,58,0.2);
    --sidebar-bg: var(--dark);
    --sidebar-border: rgba(166,138,58,0.12);
    --card-bg: #FFFFFF;
    --card-border: rgba(0,0,0,0.06);
    --card-hover-border: rgba(166,138,58,0.25);
    --input-bg: #F5F3EE;
    --input-border: rgba(0,0,0,0.1);
    --input-focus-border: rgba(166,138,58,0.5);
    --btn-primary-bg: linear-gradient(135deg, #C9A84C, #A68A3A);
    --btn-primary-text: #FFFFFF;
    --body-glow1: rgba(166,138,58,0.04);
    --body-glow2: rgba(166,138,58,0.02);
    --nav-hover: rgba(166,138,58,0.08);
    --nav-active: rgba(166,138,58,0.14);
    --tag-gold-bg: rgba(166,138,58,0.1);
    --tag-gold-border: rgba(166,138,58,0.25);
    --divider: rgba(166,138,58,0.15);
    --alert-bg: rgba(166,138,58,0.06);
    --alert-border: rgba(166,138,58,0.15);
    --scroll-thumb: #D5D0C8;
    --success: #2D8A56;
    --warning: #B8862D;
    --error: #C93C3C;
  }

  /* ═══ NEO THEME ═══ */
  [data-theme="neo"] {
    --gold: #00D4FF;
    --gold-light: #7AEAFF;
    --gold-dark: #0099BB;
    --black: #080C12;
    --dark: #0C1018;
    --dark-2: #111822;
    --dark-3: #16202E;
    --dark-4: #1C2838;
    --gray: #6B7B8D;
    --gray-light: #A0B4C8;
    --white: #E8F0F8;
    --silver: #8A9AB0;
    --accent: #00D4FF;
    --accent-light: #7AEAFF;
    --accent-dark: #0099BB;
    --header-bg: rgba(8,12,18,0.92);
    --header-border: rgba(0,212,255,0.15);
    --sidebar-bg: var(--dark);
    --sidebar-border: rgba(0,212,255,0.08);
    --card-bg: var(--dark-2);
    --card-border: rgba(0,212,255,0.06);
    --card-hover-border: rgba(0,212,255,0.2);
    --input-bg: var(--dark-3);
    --input-border: rgba(0,212,255,0.1);
    --input-focus-border: rgba(0,212,255,0.4);
    --btn-primary-bg: linear-gradient(135deg, #00D4FF, #0099BB);
    --btn-primary-text: #080C12;
    --body-glow1: rgba(0,212,255,0.04);
    --body-glow2: rgba(130,80,255,0.03);
    --nav-hover: rgba(0,212,255,0.08);
    --nav-active: rgba(0,212,255,0.14);
    --tag-gold-bg: rgba(0,212,255,0.1);
    --tag-gold-border: rgba(0,212,255,0.25);
    --divider: rgba(0,212,255,0.15);
    --alert-bg: rgba(0,212,255,0.05);
    --alert-border: rgba(0,212,255,0.15);
    --scroll-thumb: #1C2838;
    --success: #00E88C;
    --warning: #FFB800;
    --error: #FF4466;
  }

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

  body {
    background: var(--black);
    color: var(--white);
    font-family: 'Jost', sans-serif;
    font-weight: 300;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
  }

  /* Theme transitions */
  .header, .sidebar, .card, .tabs, .form-input, .form-select, .form-textarea, .btn, .alert, .tag, .nav-item {
    transition: all 0.3s;
  }

  /* Neo theme special glow effects */
  [data-theme="neo"] .btn-primary:hover {
    box-shadow: 0 8px 30px rgba(0,212,255,0.35);
  }
  [data-theme="neo"] .card:hover {
    border-color: rgba(0,212,255,0.25);
    box-shadow: 0 0 20px rgba(0,212,255,0.05);
  }
  [data-theme="neo"] .nav-item.active {
    box-shadow: inset 2px 0 0 var(--gold);
  }
  [data-theme="neo"] .logo span {
    color: #7AEAFF;
  }

  /* Light theme adjustments */
  [data-theme="light"] .card {
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  }
  [data-theme="light"] .card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  [data-theme="light"] .sidebar {
    box-shadow: 1px 0 3px rgba(0,0,0,0.04);
  }
  [data-theme="light"] .btn-primary:hover {
    box-shadow: 0 8px 25px rgba(166,138,58,0.25);
  }
  [data-theme="light"] .alert-info {
    background: rgba(50,100,200,0.06);
    border-color: rgba(50,100,200,0.15);
    color: #4466AA;
  }
  [data-theme="light"] .nav-item {
    color: var(--gray);
    font-weight: 400;
  }
  [data-theme="light"] .nav-item.active {
    color: var(--gold);
    font-weight: 500;
  }
  [data-theme="neo"] .nav-item {
    color: var(--gray-light);
    font-weight: 400;
  }
  [data-theme="neo"] .nav-item.active {
    color: var(--gold);
    font-weight: 500;
  }

  /* Background texture */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: 
      radial-gradient(ellipse at 20% 50%, var(--body-glow1) 0%, transparent 50%),
      radial-gradient(ellipse at 80% 20%, var(--body-glow2) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
  }

  /* Header */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--header-border);
  }

  .logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 22px;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--gold);
  }

  .logo span {
    color: var(--gray);
    font-style: italic;
  }

  .header-right {
    display: flex;
    align-items: center;
    gap: 20px;
  }

  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray);
    display: inline-block;
  }

  .status-dot.active { background: var(--success); box-shadow: 0 0 8px var(--success); }
  .status-dot.error { background: var(--error); box-shadow: 0 0 8px var(--error); }
  .status-dot.warning { background: var(--warning); box-shadow: 0 0 6px var(--warning); }

  .status-text {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    color: var(--gray);
    letter-spacing: 0.05em;
  }
  .status-text.active { color: var(--success); }
  .status-text.error { color: var(--error); }
  .status-text.warning { color: var(--warning); }

  /* Connection status row in Settings panel */
  .conn-status-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
  }
  .conn-status-row .status-dot {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
  }
  .conn-status-row .conn-label {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .conn-status-row .conn-text {
    font-size: 12px;
    color: var(--gray-light);
    margin-top: 2px;
  }
  .conn-status-row.active { border-color: rgba(76,201,76,0.3); background: rgba(76,201,76,0.04); }
  .conn-status-row.error { border-color: rgba(201,76,76,0.3); background: rgba(201,76,76,0.04); }
  .conn-status-row.warning { border-color: rgba(255,193,76,0.3); background: rgba(255,193,76,0.04); }

  /* Main Layout */
  .app {
    display: flex;
    min-height: 100vh;
    padding-top: 65px;
    position: relative;
    z-index: 1;
  }

  /* Sidebar */
  .sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    padding: 15px 0;
    position: fixed;
    top: 65px;
    bottom: 0;
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .sidebar-section {
    padding: 0 15px;
    margin-bottom: 15px;
  }

  .sidebar-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--gold-dark);
    text-transform: uppercase;
    margin-bottom: 6px;
    padding-left: 5px;
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 1px;
    font-size: 12px;
    color: var(--white);
    font-weight: 500;
    letter-spacing: 0.03em;
  }

  .nav-item:hover { background: var(--nav-hover); color: var(--white); }
  .nav-item.active { background: var(--nav-active); color: var(--gold); }

  .nav-icon {
    width: 18px;
    height: 18px;
    opacity: 0.7;
    flex-shrink: 0;
  }

  .nav-item.active .nav-icon { opacity: 1; }

  .product-count {
    margin-left: auto;
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    background: rgba(201,168,76,0.15);
    color: var(--gold);
    padding: 2px 7px;
    border-radius: 10px;
  }

  /* Main Content */
  .main {
    margin-left: 260px;
    flex: 1;
    padding: 40px;
  }

  /* Page */
  .page { display: none; }
  .page.active { display: block; }

  /* Page Header */
  .page-header {
    margin-bottom: 40px;
  }

  .page-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 36px;
    font-weight: 300;
    color: var(--white);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
  }

  .page-title em {
    color: var(--gold);
    font-style: italic;
  }

  .page-subtitle {
    color: var(--gray);
    font-size: 13px;
    letter-spacing: 0.05em;
  }

  /* Cards */
  .card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    transition: border-color 0.2s;
  }

  .card:hover { border-color: var(--card-hover-border); }

  .card-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 18px;
    font-weight: 400;
    color: var(--gold-light);
    margin-bottom: 6px;
    letter-spacing: 0.05em;
  }

  .card-desc {
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
  }

  /* Grid */
  .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

  /* Stats */
  .stat-card {
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 20px;
    position: relative;
    overflow: hidden;
  }

  .stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent);
  }

  .stat-value {
    font-family: 'Cormorant Garamond', serif;
    font-size: 42px;
    font-weight: 300;
    color: var(--white);
    line-height: 1;
    margin-bottom: 5px;
  }

  .stat-label {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: var(--gray);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .stat-change {
    font-size: 11px;
    margin-top: 8px;
  }

  .stat-change.up { color: var(--success); }
  .stat-change.down { color: var(--error); }

  /* Form Elements */
  .form-group { margin-bottom: 20px; }

  .form-label {
    display: block;
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 8px;
  }

  .form-input, .form-select, .form-textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--white);
    font-family: 'Jost', sans-serif;
    font-size: 13px;
    font-weight: 300;
    transition: all 0.2s;
    outline: none;
  }

  .form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--input-focus-border);
    background: var(--dark-4);
    box-shadow: 0 0 0 3px rgba(201,168,76,0.05);
  }

  .form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }

  .form-select option { background: var(--input-bg); }

  .input-hint {
    font-size: 11px;
    color: var(--gray);
    margin-top: 5px;
    font-style: italic;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-family: 'Jost', sans-serif;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
  }

  .btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    font-weight: 500;
  }

  .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(201,168,76,0.3);
  }

  .btn-secondary {
    background: transparent;
    border: 1px solid var(--tag-gold-border);
    color: var(--gold);
  }

  .btn-secondary:hover {
    background: var(--nav-hover);
    border-color: var(--gold);
  }

  .btn-ghost {
    background: var(--card-border);
    color: var(--gray-light);
  }

  .btn-ghost:hover { background: var(--input-border); }

  .btn-danger {
    background: rgba(232,76,76,0.15);
    border: 1px solid rgba(232,76,76,0.3);
    color: var(--error);
  }

  .btn-sm { padding: 8px 16px; font-size: 12px; }
  .btn-lg { padding: 16px 32px; font-size: 15px; }

  .btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
  }

  /* Tags */
  .tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-family: 'DM Mono', monospace;
    letter-spacing: 0.03em;
  }

  .tag-gold {
    background: var(--tag-gold-bg);
    color: var(--gold);
    border: 1px solid var(--tag-gold-border);
  }

  .tag-silver {
    background: rgba(192,192,192,0.1);
    color: var(--silver);
    border: 1px solid rgba(192,192,192,0.2);
  }

  .tag-green {
    background: rgba(76,175,125,0.1);
    color: var(--success);
    border: 1px solid rgba(76,175,125,0.2);
  }

  .tag-remove {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
  }
  .tag-remove:hover { opacity: 1; }

  /* Progress */
  .progress-bar {
    height: 4px;
    background: var(--dark-3);
    border-radius: 2px;
    overflow: hidden;
    margin: 10px 0;
    position: relative;
  }

  .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    border-radius: 2px;
    transition: width 0.5s ease;
  }

  /* Product Table */
  .product-table {
    width: 100%;
    border-collapse: collapse;
  }

  .product-table th {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--gray);
    text-transform: uppercase;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .product-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 13px;
    vertical-align: middle;
  }

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

  .product-table tr:hover td { background: rgba(201,168,76,0.03); }

  .product-name {
    font-weight: 400;
    color: var(--white);
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .product-type {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    color: var(--gray);
  }

  /* SEO Score */
  .seo-score {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .score-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    border: 2px solid;
  }

  .score-high { border-color: var(--success); color: var(--success); background: rgba(76,175,125,0.1); }
  .score-mid { border-color: var(--warning); color: var(--warning); background: rgba(232,168,76,0.1); }
  .score-low { border-color: var(--error); color: var(--error); background: rgba(232,76,76,0.1); }

  /* Result Box */
  .result-box {
    background: var(--dark-3);
    border: 1px solid rgba(201,168,76,0.15);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    position: relative;
  }

  .result-label {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .result-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--white);
  }

  .copy-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--gray);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 10px;
    cursor: pointer;
    font-family: 'DM Mono', monospace;
    letter-spacing: 0.05em;
    transition: all 0.2s;
  }

  .copy-btn:hover { border-color: var(--gold); color: var(--gold); }
  .copy-btn.copied { border-color: var(--success); color: var(--success); }

  /* Tags Grid */
  .tags-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
  }

  .etsy-tag {
    background: var(--dark-4);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    cursor: pointer;
    transition: all 0.2s;
  }

  .etsy-tag:hover {
    border-color: var(--gold);
    color: var(--gold);
  }

  /* Loading */
  .loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .loading-overlay.active {
    opacity: 1;
    pointer-events: all;
  }

  .loading-box {
    text-align: center;
    padding: 50px;
  }

  .loading-ring {
    width: 60px;
    height: 60px;
    border: 2px solid var(--card-border);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
  }

  @keyframes spin { to { transform: rotate(360deg); } }

  .loading-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 22px;
    color: var(--gold-light);
    margin-bottom: 8px;
  }

  .loading-step {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    color: var(--gray);
    letter-spacing: 0.1em;
  }

  /* Season Calendar */
  .season-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .season-card {
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.2s;
  }

  .season-card:hover, .season-card.active {
    border-color: rgba(201,168,76,0.3);
    background: rgba(201,168,76,0.05);
  }

  .season-month {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: var(--gold);
    margin-bottom: 5px;
    letter-spacing: 0.1em;
  }

  .season-event {
    font-size: 12px;
    color: var(--white);
    margin-bottom: 3px;
  }

  .season-impact {
    font-size: 10px;
    color: var(--success);
  }

  /* AB Test */
  .ab-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
  }

  .ab-panel {
    background: var(--dark-3);
    border-radius: 10px;
    padding: 20px;
    border: 2px solid transparent;
    transition: all 0.2s;
  }

  .ab-panel.winner {
    border-color: var(--success);
    background: rgba(76,175,125,0.05);
  }

  .ab-label {
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .ab-a { color: #7BB8E8; }
  .ab-b { color: #E87BB8; }

  .metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 12px;
  }

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

  .metric-name { color: var(--gray); }
  .metric-value { font-family: 'DM Mono', monospace; color: var(--white); }

  /* Divider */
  .divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--divider), transparent);
    margin: 30px 0;
  }

  /* Alert */
  .alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .alert-gold {
    background: var(--alert-bg);
    border: 1px solid var(--alert-border);
    color: var(--gold-light);
  }

  .alert-success {
    background: rgba(76,175,125,0.1);
    border: 1px solid rgba(76,175,125,0.2);
    color: var(--success);
  }

  .alert-info {
    background: rgba(100,150,255,0.08);
    border: 1px solid rgba(100,150,255,0.15);
    color: #a0b8ff;
  }

  /* Tabs */
  .tabs {
    display: flex;
    gap: 4px;
    background: var(--input-bg);
    padding: 4px;
    border-radius: 8px;
    margin-bottom: 25px;
    width: fit-content;
  }

  .tab-btn {
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 12px;
    font-family: 'Jost', sans-serif;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    background: transparent;
    color: var(--gray);
  }

  .tab-btn.active {
    background: var(--nav-active);
    color: var(--gold);
  }

  /* Char Counter */
  .char-counter {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: var(--gray);
    text-align: right;
    margin-top: 4px;
  }

  .char-counter.warn { color: var(--warning); }
  .char-counter.over { color: var(--error); }

  /* Batch Progress */
  .batch-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }

  .batch-status {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
  }

  .batch-status.done { background: rgba(76,175,125,0.2); color: var(--success); }
  .batch-status.processing { background: rgba(201,168,76,0.2); color: var(--gold); }
  .batch-status.pending { background: rgba(255,255,255,0.05); color: var(--gray); }

  .batch-name {
    font-size: 13px;
    color: var(--white);
    flex: 1;
  }

  .batch-result {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: var(--gray);
  }

  /* Dashboard metrics */
  .metric-card {
    background: var(--dark-2);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 20px;
  }

  .metric-title {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--gray);
    text-transform: uppercase;
    margin-bottom: 12px;
  }

  .metric-big {
    font-family: 'Cormorant Garamond', serif;
    font-size: 48px;
    font-weight: 300;
    color: var(--white);
    line-height: 1;
  }

  .metric-sub {
    font-size: 12px;
    color: var(--gray);
    margin-top: 5px;
  }

  .lang-btn.active { background: var(--nav-active) !important; color: var(--gold) !important; }
  .theme-btn.active { background: var(--nav-active) !important; color: var(--gold) !important; }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 6px; height: 6px; }
  ::-webkit-scrollbar-track { background: var(--dark); }
  ::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.2); border-radius: 3px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(201,168,76,0.4); }

  /* Animations */
  @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
  .animate-in { animation: fadeIn 0.4s ease forwards; }

  /* Hamburger menu button */
  .hamburger-btn {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 2000;
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--gold);
    font-size: 20px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.2s;
  }
  .hamburger-btn:hover { background: var(--dark-3); }

  /* Mobile overlay for sidebar */
  .mobile-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 999;
  }
  .mobile-overlay.active { display: block; }

  /* Responsive */
  @media (max-width: 768px) {
    .hamburger-btn { display: block; }
    .sidebar {
      display: none;
      position: fixed;
      top: 0; left: 0; bottom: 0;
      z-index: 1000;
      width: 260px;
      overflow-y: auto;
    }
    .sidebar.mobile-open { display: flex; }
    .main { margin-left: 0; padding: 20px; padding-top: 55px; }
    .header { padding-left: 55px; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .ab-container { grid-template-columns: 1fr; }
    .season-grid { grid-template-columns: repeat(2, 1fr); }
  }

  /* Keyword chips */
  .kw-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--dark-4);
    border: 1px solid rgba(201,168,76,0.15);
    border-radius: 20px;
    padding: 5px 12px;
    font-size: 12px;
    color: var(--gold-light);
    margin: 3px;
    cursor: pointer;
    transition: all 0.15s;
  }
  .kw-chip:hover { background: rgba(201,168,76,0.1); border-color: var(--gold); }
  .kw-chip.selected { background: rgba(201,168,76,0.15); border-color: var(--gold); color: var(--gold); }

  .volume-badge {
    font-family: 'DM Mono', monospace;
    font-size: 9px;
    color: var(--gray);
    margin-left: 2px;
  }

  /* Inline notice */
  .notice {
    background: var(--alert-bg);
    border-left: 3px solid var(--gold);
    padding: 12px 16px;
    border-radius: 0 6px 6px 0;
    font-size: 12px;
    color: var(--gray-light);
    line-height: 1.6;
    margin: 15px 0;
  }