.main-container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 3rem}.page-header{margin-bottom:1.25rem}.breadcrumb{color:var(--calc-text-dim,#88a);margin-bottom:.4rem;font-size:.8rem}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary,#f8fafc);margin:0 0 .4rem;font-size:clamp(1.6rem,4vw,2.3rem)}.page-subtitle{color:var(--calc-text-faded,#a8b8cc);max-width:880px;margin:0 0 1.25rem;line-height:1.5}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.action-btn{background:var(--calc-bg-card,#18181b);border:1px solid var(--calc-border-default,#ffffff1f);color:var(--calc-text-primary,#f8fafc);cursor:pointer;border-radius:8px;padding:.5rem .9rem;font-family:inherit;font-size:.85rem;transition:border-color .15s,transform .15s}.action-btn:hover{border-color:var(--calc-cyan,#22d3ee);transform:translateY(-1px)}.action-btn--reset{color:var(--calc-accent-danger,#fb7185)}.tab-nav{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.tab-btn{background:var(--calc-bg-card,#18181b);border:1px solid var(--calc-border-default,#ffffff1f);color:var(--calc-text-faded,#a8b8cc);cursor:pointer;border-radius:8px;padding:.55rem 1.2rem;font-family:inherit;font-size:.9rem;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--calc-cyan,#22d3ee)}.tab-btn.active{color:var(--calc-cyan,#22d3ee);border-color:var(--calc-cyan,#22d3ee);box-shadow:0 0 0 1px #22d3ee40}.tab-content{display:none}.tab-content.active{display:block}.card{background:var(--calc-bg-card,#18181b);border:1px solid var(--calc-border-default,#ffffff1f);border-radius:var(--calc-radius-lg,16px);margin-bottom:1.25rem;padding:1.25rem 1.5rem}.card-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded,#a8b8cc);margin:0 0 1rem;font-size:1rem}.form-group{flex-direction:column;gap:.4rem;margin-bottom:.75rem;display:flex}.form-group label{color:var(--calc-text-faded,#a8b8cc);font-size:.85rem}.input-hint{color:var(--calc-text-dim,#88a);font-size:.75rem}.tab-note{color:var(--calc-text-dim,#88a);margin:.75rem 0 0;font-size:.82rem;line-height:1.6}.parse-feedback{color:var(--calc-accent-danger,#fb7185);font-family:var(--calc-font-mono,monospace);min-height:1em;margin-top:.5rem;font-size:.78rem}.glass-input{background:var(--calc-bg-input,#27272a);border:1px solid var(--calc-border-strong,#ffffff2e);color:var(--calc-text-primary,#f8fafc);font-family:var(--calc-font-mono,monospace);border-radius:8px;width:100%;padding:.7rem .85rem;font-size:.95rem;transition:border-color .15s}.glass-input:focus{border-color:var(--calc-cyan,#22d3ee);outline:none}.preset-row{flex-wrap:wrap;align-items:center;gap:.4rem;margin-top:.5rem;margin-bottom:1.25rem;display:flex}.preset-label{color:var(--calc-text-faded,#a8b8cc);margin-right:.25rem;font-size:.8rem}.preset-chip{border:1px solid var(--calc-border-default,#ffffff26);color:var(--calc-text-faded,#a8b8cc);cursor:pointer;background:0 0;border-radius:999px;padding:.3rem .85rem;font-family:inherit;font-size:.78rem;transition:transform .15s cubic-bezier(.4,0,.2,1),background .15s,border-color .15s,color .15s}.preset-chip:hover{border-color:var(--calc-cyan,#22d3ee);color:var(--calc-cyan,#22d3ee)}.preset-chip:active{transform:scale(.94)}.group-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.group-col-label{color:var(--calc-cyan,#22d3ee);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--calc-border-default,#ffffff1a);margin-bottom:.6rem;padding-bottom:.4rem;font-size:.78rem;font-weight:600}@media (width<=640px){.group-grid{grid-template-columns:1fr;gap:.5rem}}.hero-result{text-align:center;border-bottom:1px solid var(--calc-border-default,#ffffff14);margin-bottom:1rem;padding:.75rem 0 1rem}.hero-label{color:var(--calc-text-faded,#a8b8cc);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem}.hero-value{font-family:var(--calc-font-mono,monospace);color:var(--calc-cyan,#22d3ee);margin:.3rem 0;font-size:clamp(2rem,6vw,3.2rem);font-weight:700;line-height:1.1}.hero-sub{color:var(--calc-text-faded,#a8b8cc);font-size:.88rem}.stat-grid{gap:.6rem;display:grid}.stat-grid-3{grid-template-columns:repeat(3,1fr)}.stat-grid-2{grid-template-columns:repeat(2,1fr)}@media (width<=560px){.stat-grid-3,.stat-grid-2{grid-template-columns:repeat(1,1fr)}}.stat-card{background:var(--calc-bg-input,#ffffff0a);border:1px solid var(--calc-border-default,#ffffff14);border-radius:10px;min-height:70px;padding:.6rem .75rem}.stat-card--wide{grid-column:1/-1}.stat-label{color:var(--calc-text-faded,#a8b8cc);text-transform:uppercase;letter-spacing:.04em;font-size:.72rem}.stat-value{font-family:var(--calc-font-mono,monospace);color:var(--calc-text-primary,#f8fafc);overflow-wrap:break-word;margin-top:.2rem;font-size:1.05rem}.formula-strip{flex-wrap:wrap;gap:.4rem;margin-top:1rem;display:flex}.formula-pill{color:var(--calc-cyan,#22d3ee);font-family:var(--calc-font-mono,monospace);background:#22d3ee14;border:1px solid #22d3ee4d;border-radius:6px;padding:.25rem .55rem;font-size:.75rem}.interpretation-card{border:1px solid #22d3ee40;border-left:3px solid var(--calc-cyan,#22d3ee);color:var(--calc-text-primary,#f8fafc);background:#22d3ee0f;border-radius:8px;margin-top:1rem;padding:.75rem 1rem;font-size:.9rem;line-height:1.5}.magnitude-scale{grid-template-columns:repeat(4,1fr);gap:.5rem;margin-bottom:1rem;display:grid}.magnitude-band{background:var(--calc-bg-input,#ffffff0a);border:1px solid var(--calc-border-default,#ffffff14);text-align:center;border-radius:10px;flex-direction:column;align-items:center;gap:.2rem;padding:.6rem .4rem;transition:border-color .15s,background .15s;display:flex}.magnitude-band-label{color:var(--calc-text-primary,#f8fafc);font-size:.78rem;font-weight:600}.magnitude-band-range{font-family:var(--calc-font-mono,monospace);color:var(--calc-text-faded,#a8b8cc);font-size:.7rem}.magnitude-band.active{border-color:var(--calc-cyan,#22d3ee);background:#22d3ee1a;box-shadow:0 0 0 1px #22d3ee40}.magnitude-band.active .magnitude-band-label{color:var(--calc-cyan,#22d3ee)}@media (width<=560px){.magnitude-scale{grid-template-columns:repeat(2,1fr)}}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--calc-text-primary,#f8fafc);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";font-family:var(--calc-font-mono,monospace);color:var(--calc-text-faded,#a8b8cc);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--calc-cyan,#22d3ee)}.faq-item__question:hover{color:var(--calc-cyan,#22d3ee)}.faq-item__answer{color:var(--calc-text-faded,#a8b8cc);padding:0 4px 14px;font-size:.85rem;line-height:1.75}.page-sections-outer{max-width:1200px;margin:0 auto;padding:0 1.5rem 3rem}[data-theme=light] body{color:#0f172a;background:#f6f7fb}[data-theme=light] .breadcrumb{color:#5b6b80}[data-theme=light] .page-title{color:#0f172a}[data-theme=light] .page-subtitle{color:#475569}[data-theme=light] .action-btn{color:#0f172a;background:#fff;border-color:#0000001f}[data-theme=light] .action-btn:hover{border-color:#0891b2}[data-theme=light] .action-btn--reset{color:#be123c}[data-theme=light] .tab-btn{color:#475569;background:#fff;border-color:#0000001f}[data-theme=light] .tab-btn:hover{color:#0891b2}[data-theme=light] .tab-btn.active{color:#0891b2;border-color:#0891b2;box-shadow:0 0 0 1px #0891b240}[data-theme=light] .card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .card-title,[data-theme=light] .form-group label,[data-theme=light] .hero-label,[data-theme=light] .hero-sub,[data-theme=light] .stat-label,[data-theme=light] .tab-note{color:#475569}[data-theme=light] .input-hint{color:#64748b}[data-theme=light] .group-col-label{color:#0891b2;border-bottom-color:#0000001a}[data-theme=light] .glass-input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .glass-input:focus{border-color:#0891b2}[data-theme=light] .glass-input::placeholder{color:#0006}[data-theme=light] .preset-chip{color:#475569;border-color:#0000002e}[data-theme=light] .preset-chip:hover{color:#0891b2;border-color:#0891b2}[data-theme=light] .parse-feedback{color:#e11d48}[data-theme=light] .hero-result{border-bottom-color:#00000014}[data-theme=light] .hero-value{color:#0891b2}[data-theme=light] .stat-card{background:#edf2f9;border-color:#00000014}[data-theme=light] .stat-value{color:#0f172a}[data-theme=light] .formula-pill{color:#0891b2;background:#0891b214;border-color:#0891b24d}[data-theme=light] .interpretation-card{color:#0f172a;background:#0891b20f;border-color:#0891b240 #0891b240 #0891b240 #0891b2}[data-theme=light] .magnitude-band{background:#edf2f9;border-color:#00000014}[data-theme=light] .magnitude-band-label{color:#0f172a}[data-theme=light] .magnitude-band-range{color:#475569}[data-theme=light] .magnitude-band.active{background:#0891b214;border-color:#0891b2;box-shadow:0 0 0 1px #0891b240}[data-theme=light] .magnitude-band.active .magnitude-band-label{color:#0891b2}[data-theme=light] .faq-item{border-bottom:none}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#0891b259;box-shadow:0 2px 10px #0891b214}[data-theme=light] .faq-item[open]{border-color:#0891b266 #0891b266 #0891b266 #0891b2;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #0891b21a}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#0891b2}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}.glass-input.input-invalid{border-color:var(--calc-rose,#fb7185);box-shadow:0 0 0 3px rgba(var(--calc-rose-rgb), .16)}.glass-input:focus-visible,.tab-btn:focus-visible,.action-btn:focus-visible{outline:3px solid rgba(var(--calc-cyan-rgb), .45);outline-offset:2px}.tab-content[hidden]{display:none}.method-note{border-left:3px solid var(--calc-cyan);background:var(--calc-bg-card);color:var(--calc-text-faded);padding:1rem 1.25rem;line-height:1.7}.formula-pill{background:rgba(var(--calc-cyan-rgb), .08);border-color:rgba(var(--calc-cyan-rgb), .3)}.magnitude-band.active{background:rgba(var(--calc-cyan-rgb), .1);box-shadow:0 0 0 1px rgba(var(--calc-cyan-rgb), .25)}@media (prefers-reduced-motion:no-preference){.result-card{animation:.18s ease-out result-enter}@keyframes result-enter{0%{opacity:.7;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}}@media (width<=768px){.main-container,.page-sections-outer{padding-left:1rem;padding-right:1rem}.action-btn{flex:calc(50% - .5rem);min-height:44px}.tab-btn{min-height:44px}.magnitude-scale{grid-template-columns:1fr}}