:root{--accent:var(--calc-cyan)}.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.6rem,4vw,2.4rem)}.page-subtitle{color:var(--calc-text-faded);max-width:760px;margin:0 0 1.5rem;line-height:1.5}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.action-btn{background:var(--calc-bg-glass);border:1px solid var(--calc-border-default);color:var(--calc-text-faded);cursor:pointer;border-radius:8px;padding:.5rem 1rem;font-family:inherit;font-size:.82rem;font-weight:500;transition:color .2s,border-color .2s,background .2s}.action-btn:hover{color:var(--calc-text-primary);border-color:var(--accent)}.unit-toggle{gap:.4rem;margin-bottom:1.25rem;display:inline-flex}.unit-btn{background:var(--calc-bg-glass);border:1px solid var(--calc-border-subtle);color:var(--calc-text-faded);cursor:pointer;border-radius:8px;padding:.45rem 1.1rem;font-family:inherit;font-size:.82rem;font-weight:500;transition:color .2s,border-color .2s,background .2s}.unit-btn:hover{color:var(--calc-text-primary)}.unit-btn.active{border-color:var(--accent);color:var(--accent);background:#22d3ee24;font-weight:600}.input-card,.result-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);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);margin:0 0 1rem;font-size:1rem}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.form-group:last-child{margin-bottom:0}.form-group label{color:var(--calc-text-faded);font-size:.9rem}.form-group input{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);font-family:var(--calc-font-mono);padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s}.form-group input:focus{border-color:var(--accent);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.dim-unit-hint{text-transform:none}.result-value{font-family:var(--calc-font-mono);color:var(--accent);margin-bottom:.3rem;font-size:clamp(1.8rem,5vw,2.6rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}.result-card[data-valid=true]{border-color:#22d3ee59}.flat-rows{flex-direction:column;gap:.85rem;margin-bottom:1rem;display:flex}.flat-row--bend{border-left:2px solid var(--calc-border-subtle);padding-left:.75rem}.flat-row--bend label{color:var(--calc-text-dim)}#btn-remove-bend{margin-left:.5rem}.calc-table{border-collapse:collapse;width:100%;font-size:.88rem}.calc-table th{text-align:left;text-transform:uppercase;letter-spacing:.04em;color:var(--calc-text-dim);border-bottom:1px solid var(--calc-border-subtle);padding:.4rem .5rem;font-size:.75rem;font-weight:600}.calc-table td{border-bottom:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);vertical-align:middle;padding:.6rem .5rem}.calc-table tr:last-child td{border-bottom:none}.calc-table .action-btn{padding:.3rem .75rem;font-size:.75rem}.page-sections-outer{max-width:1400px;margin:0 auto;padding:0 1.5rem 3rem}@media print{.input-tabs,.action-bar,.unit-toggle,.calc-back-to-top,.page-sections-outer,footer,.glass-navbar{display:none}.input-tab-content{display:block}}[data-theme=light]{--accent:var(--calc-cyan)}[data-theme=light] .input-card,[data-theme=light] .result-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .result-card[data-valid=true]{border-color:#0891b259}[data-theme=light] .form-group input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .form-group label{color:#475569}[data-theme=light] .input-hint{color:#64748b}[data-theme=light] .action-btn{color:#475569;background:#f1f5f9;border-color:#0000001f}[data-theme=light] .action-btn:hover{color:#0f172a;border-color:#0891b2}[data-theme=light] .unit-btn{color:#475569;background:#f1f5f9;border-color:#0000001f}[data-theme=light] .unit-btn:hover{color:#0f172a}[data-theme=light] .unit-btn.active{color:#0891b2;background:#0891b21a;border-color:#0891b2}[data-theme=light] .flat-row--bend{border-left-color:#0000001a}[data-theme=light] .flat-row--bend label{color:#64748b}[data-theme=light] .calc-table th{color:#64748b;border-color:#0000001a}[data-theme=light] .calc-table td{color:#0f172a;border-color:#0000000f}