:root{--surface:#ffffff;--surface-muted:#f4f6fb;--border:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--primary:#6366f1;--primary-dark:#4f46e5;--accent:#14b8a6;--shadow-soft:0 12px 40px rgba(15,23,42,0.08);--gradient:linear-gradient(135deg,#6366f1 0%,#14b8a6 100%);--mdg-radius:16px;--mdg-radius-sm:10px;--mdg-surface-2:#fafbfe;--mdg-serp-bg:#ffffff;--mdg-serp-title:#1a0dab;--mdg-serp-url:#0d7a3e;--mdg-serp-desc:#4a5568;--mdg-zone-low:#fef3c7;--mdg-zone-ok:#d1fae5;--mdg-zone-high:#fee2e2;}
.mdg-stat-row{display:flex;flex-wrap:wrap;gap:0.65rem;margin-top:0.75rem;}
.mdg-stat{display:inline-flex;align-items:center;gap:0.35rem;padding:0.4rem 0.75rem;border-radius:999px;background:var(--surface-muted);border:1px solid var(--border);font-size:0.8125rem;font-weight:600;color:var(--text-main);}
.mdg-stat span{font-weight:500;color:var(--text-muted);}
.mdg-page{padding-bottom:2rem;}
.mdg-workspace{margin:0 0 2.5rem;}
.mdg-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--mdg-radius);padding:1rem 1.15rem;box-shadow:var(--shadow-soft);}
.mdg-panel+.mdg-panel{margin-top:1rem;}
.mdg-panel-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0.75rem;margin-bottom:1rem;}
.mdg-panel-title{font-size:0.75rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-muted);margin:0;}
.mdg-field-grid{display:grid;gap:1rem;}
@media (min-width:768px){.mdg-field-grid{grid-template-columns:1fr 1fr;}.mdg-field-span{grid-column:1/-1;}}
.mdg-field label{display:block;font-size:0.8125rem;font-weight:600;color:var(--text-main);margin-bottom:0.35rem;}
.mdg-input,.mdg-textarea{width:100%;box-sizing:border-box;border:1px solid var(--border);border-radius:var(--mdg-radius-sm);padding:0.7rem 0.9rem;font-size:1rem;background:var(--mdg-surface-2);color:var(--text-main);transition:border-color 0.15s ease,box-shadow 0.15s ease;}
.mdg-input:focus,.mdg-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,0.22);}
.mdg-textarea{min-height:92px;resize:vertical;line-height:1.5;}
.mdg-hint{font-size:0.75rem;color:var(--text-muted);margin-top:0.3rem;line-height:1.45;}
.mdg-chip-wrap{margin-bottom:0.35rem;}
.mdg-chip-wrap p{font-size:0.8125rem;font-weight:600;margin:0 0 0.5rem;color:var(--text-main);}
.mdg-chip-scroll{display:flex;flex-wrap:nowrap;gap:0.4rem;overflow-x:auto;padding-bottom:0.35rem;-webkit-overflow-scrolling:touch;scrollbar-width:thin;}
.mdg-chip-scroll::-webkit-scrollbar{height:4px;}
.mdg-chip-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}
.mdg-chip{flex:0 0 auto;appearance:none;border:1px solid var(--border);background:var(--surface-muted);color:var(--text-main);font-size:0.8125rem;font-weight:600;padding:0.5rem 0.85rem;border-radius:999px;cursor:pointer;transition:background 0.15s ease,border-color 0.15s ease,color 0.15s ease;}
.mdg-chip:hover{border-color:var(--primary);color:var(--primary-dark);}
.mdg-chip.mdg-chip-on{background:var(--primary);border-color:var(--primary);color:#fff;}
.mdg-actions{display:flex;flex-direction:column;gap:0.65rem;margin-top:1rem;}
@media (min-width:576px){.mdg-actions{flex-direction:row;align-items:center;}}
.mdg-btn-primary{appearance:none;border:none;border-radius:var(--mdg-radius-sm);padding:0.85rem 1.25rem;font-size:1rem;font-weight:700;color:#fff;background:var(--gradient);cursor:pointer;box-shadow:0 8px 24px rgba(99,102,241,0.35);transition:transform 0.15s ease,box-shadow 0.15s ease;}
.mdg-btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(99,102,241,0.4);}
.mdg-btn-primary:active{transform:translateY(0);}
.mdg-btn-ghost{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text-main);border-radius:var(--mdg-radius-sm);padding:0.75rem 1rem;font-size:0.875rem;font-weight:600;cursor:pointer;}
.mdg-btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);}
.mdg-ruler-card{margin-top:1rem;}
.mdg-ruler-track{position:relative;height:12px;border-radius:999px;background:linear-gradient(90deg,var(--mdg-zone-low) 0%,var(--mdg-zone-low) 75%,var(--mdg-zone-ok) 75%,var(--mdg-zone-ok) 100%);overflow:visible;border:1px solid var(--border);}
.mdg-ruler-track::after{content:'';position:absolute;right:0;top:0;width:8%;height:100%;background:var(--mdg-zone-high);}
.mdg-ruler-marker{position:absolute;left:0;top:-4px;width:4px;height:20px;border-radius:2px;background:var(--text-main);transform:translateX(-50%);transition:left 0.2s ease;}
.mdg-ruler-labels{display:flex;justify-content:space-between;font-size:0.6875rem;color:var(--text-muted);margin-top:0.35rem;}
.mdg-ruler-readout{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.25rem;color:var(--text-main);margin-top:0.5rem;}
.mdg-ruler-note{font-size:0.8125rem;color:var(--text-muted);margin-top:0.25rem;}
.mdg-results-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0.75rem;margin:1.5rem 0 0.75rem;}
.mdg-results-head h2{font-size:1.125rem;font-weight:700;margin:0;color:var(--text-main);}
.mdg-results[hidden]{display:none!important;}
.mdg-variant{border:1px solid var(--border);border-radius:var(--mdg-radius);padding:1rem;margin-bottom:0.85rem;background:var(--surface);cursor:pointer;transition:border-color 0.15s ease,box-shadow 0.15s ease;}
.mdg-variant:hover{border-color:rgba(99,102,241,0.45);}
.mdg-variant.mdg-variant-active{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,0.15);}
.mdg-variant-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0.5rem;margin-bottom:0.65rem;}
.mdg-badge{font-size:0.75rem;font-weight:700;padding:0.25rem 0.5rem;border-radius:6px;}
.mdg-badge-ok{background:var(--mdg-zone-ok);color:#065f46;}
.mdg-badge-warn{background:var(--mdg-zone-low);color:#92400e;}
.mdg-badge-bad{background:var(--mdg-zone-high);color:#991b1b;}
.mdg-copy{appearance:none;border:1px solid var(--border);background:var(--surface);border-radius:var(--mdg-radius-sm);padding:0.4rem 0.75rem;font-size:0.8125rem;font-weight:600;cursor:pointer;color:var(--text-main);}
.mdg-copy:hover{border-color:var(--primary);color:var(--primary);}
.mdg-copy.mdg-copied{border-color:var(--accent);color:var(--accent);}
.mdg-variant-body{font-size:1rem;line-height:1.55;color:var(--text-main);margin-bottom:0.85rem;}
.mdg-serp{border-radius:var(--mdg-radius-sm);background:var(--mdg-serp-bg);border:1px solid var(--border);padding:0.85rem 1rem;}
.mdg-serp-title{color:var(--mdg-serp-title);font-size:1rem;font-weight:400;text-decoration:underline;margin:0 0 0.2rem;line-height:1.35;}
.mdg-serp-url{color:var(--mdg-serp-url);font-size:0.8125rem;margin:0 0 0.35rem;}
.mdg-serp-desc{color:var(--mdg-serp-desc);font-size:0.875rem;line-height:1.45;margin:0;}
.mdg-prose{margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--border);}
.mdg-prose h2{font-size:1.35rem;font-weight:700;color:var(--text-main);margin:2rem 0 0.75rem;line-height:1.25;}
.mdg-prose h2:first-child{margin-top:0;}
.mdg-prose p{font-size:1rem;line-height:1.65;color:var(--text-muted);margin:0 0 1rem;}
.mdg-prose p.mdg-lead{font-size:1.05rem;color:var(--text-main);}
.mdg-callout{border-radius:var(--mdg-radius-sm);border:1px solid rgba(20,184,166,0.35);background:rgba(20,184,166,0.08);padding:1rem 1.15rem;margin:1.5rem 0;}
.mdg-callout strong{display:block;font-size:0.875rem;color:var(--text-main);margin-bottom:0.35rem;}
.mdg-callout p{font-size:0.9375rem;color:var(--text-muted);margin:0;line-height:1.55;}
.mdg-table-wrap{overflow-x:auto;margin:1rem 0;border:1px solid var(--border);border-radius:var(--mdg-radius-sm);}
.mdg-table{width:100%;border-collapse:collapse;font-size:0.9375rem;}
.mdg-table th,.mdg-table td{padding:0.65rem 0.85rem;text-align:left;border-bottom:1px solid var(--border);}
.mdg-table th{background:var(--surface-muted);color:var(--text-main);font-weight:600;}
.mdg-table td{color:var(--text-muted);}
.mdg-table tr:last-child td{border-bottom:none;}
.mdg-list{margin:0 0 1rem;padding-left:1.2rem;color:var(--text-muted);line-height:1.6;}
.mdg-list li{margin-bottom:0.4rem;}
.mdg-muted-small{font-size:0.875rem;color:var(--text-muted);margin:1rem 0 0;}