@keyframes slideUpFade{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.trust-line{margin-top:8px;font-size:.9rem!important;color:#94a3b8!important;font-weight:500}.page-wrapper{margin:0 auto;padding:0 20px 40px}.solver-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;width:100%}.col-right{position:sticky;top:120px;align-self:start;z-index:10}@media(max-width:900px){.solver-layout{grid-template-columns:1fr}.col-right{position:static}}.z-card{background:var(--white, #ffffff);border:1px solid #e2e8f0;border-radius:16px;padding:24px;box-shadow:0 1px 3px #0000000a;transition:border-color .2s,box-shadow .2s}.z-card:focus-within{border-color:#2563eb4d;box-shadow:0 0 0 3px #2563eb14}.seg-control{display:flex;background:#f1f5f9;border-radius:12px;padding:4px}.seg-btn{flex:1;padding:10px 14px;border:none;border-radius:10px;background:transparent;color:var(--text-medium, #475569);font-weight:600;font-size:.9rem;cursor:pointer;transition:color .25s,background .25s,box-shadow .25s}.seg-btn.active{background:#fff;color:var(--text-dark, #0f172a);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.full-width{grid-column:1 / -1}.input-field{display:flex;flex-direction:column;gap:8px}.input-field label{font-size:.8rem;color:var(--text-dark, #0f172a);font-weight:700;display:flex;justify-content:space-between;align-items:center;text-transform:uppercase;letter-spacing:.05em}.unit-label{color:var(--text-light, #64748b);font-size:.75rem;text-transform:none;letter-spacing:normal;background:#f1f5f9;padding:2px 6px;border-radius:4px;font-weight:600}.input-field input,.input-field select{width:100%;padding:12px 16px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;color:var(--text-dark, #0f172a);font-family:inherit;font-weight:600;font-size:1rem;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 2px 4px #00000005}.input-field input:focus,.input-field select:focus{outline:none;border-color:#3b82f6;background:#fff;box-shadow:0 0 0 4px #3b82f626,0 2px 4px #0000000a;transform:translateY(-1px)}.input-field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}.input-error{border-color:#ef4444!important;background:#fef2f2!important}.inline-error{color:#ef4444;font-size:.8rem;margin-top:4px;font-weight:500}.action-bar{display:flex;gap:10px;margin-bottom:24px}.calc-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;border:none;border-radius:12px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #2563eb40}.calc-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #2563eb59}.calc-btn:active{transform:translateY(0);box-shadow:0 2px 8px #2563eb33}.calc-btn-icon{transition:transform .2s}.calc-btn:hover .calc-btn-icon{transform:translate(3px)}.unit-toggle-switch{position:relative;display:inline-block;width:44px;height:24px}.unit-toggle-switch input{opacity:0;width:0;height:0}.unit-toggle-slider{position:absolute;cursor:pointer;inset:0;background-color:#cbd5e1;transition:.3s;border-radius:24px}.unit-toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.3s;border-radius:50%;box-shadow:0 1px 2px #0000001a}.unit-toggle-switch input:checked+.unit-toggle-slider{background-color:#2563eb}.unit-toggle-switch input:checked+.unit-toggle-slider:before{transform:translate(20px)}.example-btn{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;padding:4px 10px;font-size:.85rem;color:#475569;font-weight:500;cursor:pointer;transition:all .2s}.example-btn:hover{background:#e2e8f0;color:#0f172a}.share-btn{background:var(--white, #ffffff);border:1px solid #e2e8f0;border-radius:8px;padding:6px 12px;font-size:.85rem;color:var(--text-dark, #0f172a);font-weight:600;cursor:pointer;transition:all .2s}.share-btn:hover{background:#f8fafc;border-color:#2563eb;color:#2563eb}.error-banner{background:#fef2f2;color:#b91c1c;padding:16px;border-radius:12px;margin-bottom:24px;font-size:.95rem;font-weight:500;border-left:4px solid #ef4444;box-shadow:0 1px 3px #0000000a}.ambiguous-banner{background:#fffbeb;color:#92400e;padding:16px;border-radius:12px;margin-bottom:16px;font-size:.95rem;font-weight:500;border-left:4px solid #f59e0b;box-shadow:0 1px 3px #0000000a}.result-panels{display:flex;flex-direction:column;gap:20px}.result-panel{background:var(--white, #ffffff);border:1px solid #e2e8f0;border-radius:16px;padding:24px;box-shadow:0 1px 3px #0000000a;animation:slideUpFade .4s cubic-bezier(.16,1,.3,1)}.result-panel-title{font-size:1.15rem;color:var(--text-dark, #0f172a);font-weight:700;margin-bottom:16px;border-bottom:1px solid #e2e8f0;padding-bottom:12px}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.result-card{background:#fff;padding:20px;border-radius:14px;border:1px solid #e2e8f0;box-shadow:0 1px 3px #00000005;border-top:4px solid #cbd5e1;transition:transform .2s,box-shadow .2s}.result-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.theme-sides{border-top-color:#10b981;background:linear-gradient(to bottom right,#fff,#ecfdf5)}.theme-angles{border-top-color:#8b5cf6;background:linear-gradient(to bottom right,#fff,#f5f3ff)}.theme-area{border-top-color:#f59e0b;background:linear-gradient(to bottom right,#fff,#fffbeb)}.theme-altitudes{border-top-color:#0ea5e9;background:linear-gradient(to bottom right,#fff,#f0f9ff)}.theme-radii{border-top-color:#ec4899;background:linear-gradient(to bottom right,#fff,#fdf2f8)}.theme-type{border-top-color:#64748b;background:linear-gradient(to bottom right,#fff,#f8fafc)}.result-card .result-card-title{margin:0 0 16px;color:var(--text-dark, #0f172a);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;font-weight:800;display:flex;align-items:center;gap:8px}.result-card .result-card-title i{font-size:1rem;opacity:.7}.val-row{margin-bottom:10px;font-size:1.05rem;color:var(--text-dark, #0f172a);font-weight:600}.val-row:last-child{margin-bottom:0}.unit-text{font-size:.85rem;color:#64748b;font-weight:500}.val-solved{color:#2563eb;font-weight:700}.svg-container{background-color:#f8fafc;background-image:radial-gradient(#cbd5e1 1px,transparent 1px);background-size:20px 20px;border:1px solid #e2e8f0;border-radius:12px;aspect-ratio:5/4;width:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}.svg-placeholder{fill:#94a3b8;font-size:16px;font-weight:500}.overlay-toggle-btn{padding:8px 16px;background:#fff;color:var(--text-medium, #475569);border:1px solid #e2e8f0;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}.overlay-toggle-btn:hover{background:#f8fafc}.overlay-toggle-btn.active{background:#eff6ff;color:#2563eb;border-color:#2563eb}.steps-container{margin-top:24px;background:var(--white, #ffffff);border:1px solid #e2e8f0;border-radius:16px;overflow:hidden;box-shadow:0 1px 3px #0000000a;animation:slideUpFade .4s cubic-bezier(.16,1,.3,1)}.steps-header{width:100%;padding:16px 24px;background:#f8fafc;border:none;border-bottom:1px solid #e2e8f0;text-align:left;font-size:1.05rem;font-weight:600;color:var(--text-dark, #0f172a);cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .2s}.steps-header:hover{background:#f1f5f9}#steps-toggle-icon{color:#64748b;font-size:.8rem}.steps-content{padding:24px}.step-item{margin-bottom:32px;padding-left:28px;border-left:3px solid #e2e8f0;position:relative}.step-item:last-child{margin-bottom:0}.step-title{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--text-dark, #0f172a);margin-bottom:16px;font-size:1.1rem;letter-spacing:-.01em}.step-badge{position:absolute;left:-17px;top:-2px;display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border-radius:50%;font-size:.95rem;font-weight:800;box-shadow:0 0 0 6px #fff,0 4px 6px -1px #0000001a}.step-formula{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;background:#1e293b;padding:12px 16px;border-radius:10px;margin-bottom:12px;color:#e2e8f0;font-size:.95rem;box-shadow:inset 0 2px 4px #0000001a}.step-sub{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;padding:10px 16px;margin-bottom:12px;color:#475569;font-size:.95rem;background:#f8fafc;border-radius:8px;border:1px dashed #cbd5e1}.step-result{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;padding:10px 16px;background:#ecfdf5;color:#047857;font-weight:800;font-size:1rem;border-radius:8px;border-left:4px solid #10b981}.step-tabs{display:flex;gap:8px;margin-bottom:24px;border-bottom:1px solid #e2e8f0;padding-bottom:16px}.step-tab{padding:8px 20px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;color:#64748b;transition:all .2s}.step-tab.active{background:#2563eb;color:#fff;border-color:#2563eb;box-shadow:0 2px 4px #2563eb33}