:root {
      --bg: #0a0e17; --surface: #131a2b; --surface2: #1a2340; --border: #2a3555;
      --text: #e4e8f1; --text2: #8b95b0; --accent: #00d4aa; --accent2: #00b894;
      --warning: #fdcb6e; --danger: #e17055; --blue: #74b9ff; --purple: #a29bfe;
      --radius: 12px; --shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.6; }
    .container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
    header { background: linear-gradient(135deg, #0a1628, #132040, #0a1628); border-bottom: 1px solid var(--border); padding: 30px 0; text-align: center; }
    header h1 { font-size: 2.2em; background: linear-gradient(135deg, var(--accent), var(--blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 8px; }
    header p { color: var(--text2); font-size: 1.1em; }
    .market-banner { background: rgba(0,212,170,0.08); border: 1px solid rgba(0,212,170,0.2); border-radius: 8px; padding: 12px 20px; margin-top: 16px; display: inline-block; }
    .market-banner span { color: var(--accent); font-weight: 600; }
    nav { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
    nav button { background: var(--surface); border: 1px solid var(--border); color: var(--text2); padding: 10px 20px; border-radius: 8px; cursor: pointer; font-size: 0.95em; transition: all 0.2s; }
    nav button:hover, nav button.active { background: var(--surface2); color: var(--accent); border-color: var(--accent); }
    .section { display: none; padding: 30px 0; }
    .section.active { display: block; }
    .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow); }
    .card h3 { color: var(--accent); margin-bottom: 12px; font-size: 1.2em; }
    .form-group { margin-bottom: 16px; }
    .form-group label { display: block; color: var(--text2); margin-bottom: 6px; font-size: 0.9em; font-weight: 500; }
    .form-group input, .form-group select { width: 100%; padding: 12px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 1em; }
    .form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    @media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
    .btn { padding: 12px 28px; border: none; border-radius: 8px; font-size: 1em; font-weight: 600; cursor: pointer; transition: all 0.2s; }
    .btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #000; }
    .btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
    .btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
    .btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

    /* Wizard */
    .wizard { position: relative; }
    .wizard-step { display: none; animation: fadeIn 0.3s; }
    .wizard-step.active { display: block; }
    @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
    .wizard-progress { display: flex; gap: 8px; margin-bottom: 24px; }
    .wizard-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--border); transition: all 0.3s; }
    .wizard-dot.done { background: var(--accent); }
    .wizard-dot.current { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
    .option-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin: 16px 0; }
    .option-card { background: var(--bg); border: 2px solid var(--border); border-radius: 12px; padding: 20px; text-align: center; cursor: pointer; transition: all 0.2s; }
    .option-card:hover { border-color: var(--accent); transform: translateY(-2px); }
    .option-card.selected { border-color: var(--accent); background: rgba(0,212,170,0.08); }
    .option-card .icon { font-size: 2em; margin-bottom: 8px; }
    .option-card .label { font-weight: 600; margin-bottom: 4px; }
    .option-card .desc { font-size: 0.8em; color: var(--text2); }
    .wizard-estimate { background: linear-gradient(135deg, rgba(0,212,170,0.1), rgba(116,185,255,0.1)); border: 1px solid var(--accent); border-radius: 12px; padding: 24px; text-align: center; margin: 20px 0; }
    .wizard-estimate .big { font-size: 2.5em; font-weight: 700; color: var(--accent); }
    .wizard-estimate .sub { color: var(--text2); margin-top: 4px; }
    .wizard-nav { display: flex; gap: 12px; justify-content: space-between; margin-top: 20px; }

    /* Results */
    .results-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
    .stat-card { background: var(--surface2); border-radius: var(--radius); padding: 20px; text-align: center; }
    .stat-card .value { font-size: 2em; font-weight: 700; color: var(--accent); }
    .stat-card .label { color: var(--text2); font-size: 0.85em; margin-top: 4px; }
    .stat-card.saving .value { color: var(--warning); }
    .tariff-result { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 12px; display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; position: relative; }
    .tariff-result.best { border-color: var(--accent); background: linear-gradient(135deg, rgba(0,212,170,0.05), transparent); margin-top: 16px; }
    .tariff-result.best::before { content: '👑 BEST DEAL'; position: absolute; top: -10px; left: 20px; background: var(--accent); color: #000; padding: 2px 10px; border-radius: 4px; font-size: 0.75em; font-weight: 700; }
    .tariff-info h4 { margin-bottom: 4px; }
    .tariff-info .supplier { color: var(--text2); font-size: 0.9em; }
    .tariff-info .details { color: var(--text2); font-size: 0.85em; margin-top: 8px; }
    .tariff-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
    .tag { padding: 3px 10px; border-radius: 12px; font-size: 0.75em; font-weight: 600; }
    .tag-green { background: rgba(0,212,170,0.15); color: var(--accent); }
    .tag-fixed { background: rgba(116,185,255,0.15); color: var(--blue); }
    .tag-variable { background: rgba(253,203,110,0.15); color: var(--warning); }
    .tag-economy7 { background: rgba(162,155,254,0.15); color: var(--purple); }
    .tag-no-exit { background: rgba(0,212,170,0.1); color: var(--accent2); }
    .tag-cap { background: rgba(225,112,85,0.15); color: var(--danger); }
    .tariff-cost { text-align: right; min-width: 140px; }
    .tariff-cost .annual { font-size: 1.6em; font-weight: 700; }
    .tariff-cost .monthly { color: var(--text2); font-size: 0.9em; }
    .tariff-cost .saving { color: var(--accent); font-size: 0.85em; font-weight: 600; }

    /* Browse */
    .filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
    .filter-bar select { padding: 8px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 0.9em; }
    .tariff-table { width: 100%; border-collapse: collapse; margin-top: 16px; }
    .tariff-table th { text-align: left; padding: 12px 16px; background: var(--bg); color: var(--text2); font-size: 0.85em; font-weight: 600; border-bottom: 1px solid var(--border); }
    .tariff-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 0.9em; }

    /* Guides */
    .guide-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
    .guide-header { padding: 18px 24px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
    .guide-header:hover { background: var(--surface2); }
    .guide-content { display: none; padding: 0 24px 20px; }
    .guide-content.open { display: block; }
    .guide-section { margin-bottom: 16px; padding: 16px; background: var(--bg); border-radius: 8px; }
    .guide-section h4 { color: var(--blue); margin-bottom: 8px; }
    .guide-section p { color: var(--text2); line-height: 1.7; }

    /* Suppliers */
    .supplier-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
    .supplier-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
    .supplier-card h3 { margin-bottom: 12px; }
    .stars { color: var(--warning); }
    .supplier-features { list-style: none; }
    .supplier-features li { padding: 4px 0; color: var(--text2); font-size: 0.9em; }
    .supplier-features li::before { content: '✓ '; color: var(--accent); }

    .disclaimer { background: rgba(253,203,110,0.1); border: 1px solid rgba(253,203,110,0.3); border-radius: 8px; padding: 16px; color: var(--warning); font-size: 0.85em; margin: 20px 0; }
    .slider-group { margin: 16px 0; }
    .slider-label { display: flex; justify-content: space-between; color: var(--text2); font-size: 0.9em; margin-bottom: 8px; }
    input[type="range"] { width: 100%; -webkit-appearance: none; height: 6px; background: var(--border); border-radius: 3px; }
    input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; background: var(--accent); border-radius: 50%; cursor: pointer; }
    footer { text-align: center; padding: 30px 0; color: var(--text2); font-size: 0.85em; border-top: 1px solid var(--border); margin-top: 40px; }
    .pill { padding: 8px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 20px; color: var(--text2); font-size: 0.85em; cursor: pointer; transition: all 0.2s; }
    .pill:hover, .pill.active { border-color: var(--accent); color: var(--accent); background: rgba(0,212,170,0.1); }
    .benchmark-pills { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
    .tab-switcher { display: flex; gap: 4px; margin-bottom: 20px; background: var(--bg); border-radius: 8px; padding: 4px; }
    .tab-switcher button { flex: 1; padding: 10px; background: none; border: none; color: var(--text2); border-radius: 6px; cursor: pointer; font-weight: 600; }
    .tab-switcher button.active { background: var(--accent); color: #000; }
    @media (max-width: 600px) { .tariff-result { grid-template-columns: 1fr; } .tariff-cost { text-align: left; } }