:root{--bg-dark:#050510;--card:#ffffff0a;--card-solid:#0d0d22;--input-bg:#ffffff0f;--cyan:#00f3ff;--purple:#bc13fe;--accent:#00f3ff;--text-main:#fff;--text-dim:#88a;--text-muted:#666680;--border:#ffffff14;--border-strong:#ffffff26;--font-sans:"Plus Jakarta Sans", "Inter", sans-serif;--font-mono:"JetBrains Mono", monospace;--radius-card:16px;--radius-sm:8px}[data-theme=light]{--bg-dark:#e8edf5;--card:#fff;--card-solid:#fff;--input-bg:#e8eef4;--cyan:#0e7490;--purple:#7c3aed;--accent:#0e7490;--text-main:#0f172a;--text-dim:#334155;--text-muted:#64748b;--border:#0000001a;--border-strong:#0003}body{background:var(--bg-dark);color:var(--text-main);font-family:var(--font-sans);min-height:100vh}.calc-content-wrapper{max-width:1200px;margin:0 auto;padding:0 1.2rem 2rem}.page-hero{text-align:center;padding:2.5rem 1rem 1.5rem}.page-title{background:linear-gradient(135deg, var(--cyan), var(--purple));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 .5rem;font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800}.page-subtitle{color:var(--text-dim);max-width:620px;margin:0 auto;font-size:1rem}[data-theme=light] .page-title{background:linear-gradient(135deg,#0e7490,#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.outer-tab-bar{background:var(--card);border:1px solid var(--border);border-radius:12px;gap:4px;margin-bottom:1.5rem;padding:5px;display:flex;overflow-x:auto}.outer-tab{color:var(--text-dim);font-size:.88rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;flex:1;padding:10px 16px;transition:background .2s,color .2s}.outer-tab.active{background:var(--accent);color:#fff}.outer-tab:hover:not(.active){color:var(--text-main);background:#ffffff0f}[data-theme=light] .outer-tab:hover:not(.active){color:var(--text-main);background:#0000000d}[data-theme=light] .outer-tab.active{background:var(--accent);color:#fff}.outer-tab-panel{display:none}.outer-tab-panel.active{display:block}.bvb-banner{border-radius:var(--radius-sm);color:var(--text-dim);background:#00f3ff12;border:1px solid #00f3ff40;align-items:flex-start;gap:12px;margin-bottom:1.2rem;padding:12px 16px;font-size:.87rem;display:flex}.bvb-icon{color:var(--cyan);flex-shrink:0;margin-top:1px;font-size:1.1rem}.bvb-text em{color:var(--cyan);font-style:normal;font-weight:700}.bvb-text strong{color:var(--text-main)}[data-theme=light] .bvb-banner{background:#eff9fb;border-color:#0e74904d}[data-theme=light] .bvb-text em{color:#0e7490}.solve-mode-wrap{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:1.2rem;display:flex}.solve-label{color:var(--text-dim);white-space:nowrap;font-size:.85rem;font-weight:600}.solve-toggle{gap:4px;display:flex}.solve-btn{border:1px solid var(--border-strong);color:var(--text-dim);font-size:.82rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;background:0 0;border-radius:20px;padding:7px 16px;transition:all .2s}.solve-btn.active{background:var(--cyan);border-color:var(--cyan);color:#000}.solve-btn:hover:not(.active){border-color:var(--cyan);color:var(--cyan)}[data-theme=light] .solve-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}[data-theme=light] .solve-btn:hover:not(.active){border-color:var(--accent);color:var(--accent)}[data-theme=light] .solve-btn{border-color:#0003}.calc-dashboard{grid-template-columns:1fr 1fr;align-items:start;gap:1.2rem;display:grid}.glass-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);padding:1.4rem}.input-card{border-left:3px solid var(--cyan)}.result-card{border-left:3px solid var(--purple)}.card-title{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);font-size:.78rem;font-weight:700;font-family:var(--font-mono);margin:0 0 1.2rem}[data-theme=light] .glass-card{background:#fff;border-color:#0000001a;box-shadow:0 2px 12px #00000012}.field-group{margin-bottom:1.1rem}.field-group:last-child{margin-bottom:0}.field-label{color:var(--text-dim);margin-bottom:6px;font-size:.82rem;font-weight:600;display:block}.field-hint{cursor:help;vertical-align:middle;background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;margin-left:4px;font-size:.7rem;display:inline-flex}.hidden{display:none!important}[data-theme=light] .field-hint{background:#00000014}.unit-group{gap:6px;display:flex}.unit-group .glass-input{flex:1;min-width:0}.unit-group .glass-select{flex-shrink:0;width:110px}.glass-input,.glass-select{background:var(--input-bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-main);font-size:.95rem;font-family:var(--font-sans);box-sizing:border-box;outline:none;width:100%;padding:9px 12px;transition:border-color .2s,box-shadow .2s}.glass-input:focus,.glass-select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #00f3ff1f}.glass-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238888aa' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:28px}.glass-input::placeholder{color:var(--text-muted)}[data-theme=light] .glass-input,[data-theme=light] .glass-select{color:#0f172a;background:#e8eef4;border-color:#0000001f}[data-theme=light] .glass-input:focus,[data-theme=light] .glass-select:focus{border-color:#0e7490;box-shadow:0 0 0 3px #0e74901f}[data-theme=light] .glass-input::placeholder{color:#0006}[data-theme=light] .glass-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E")}[data-theme=light] .glass-select option{color:#0f172a;background:#fff}.preset-chips{flex-wrap:wrap;align-items:center;gap:5px;margin-top:8px;display:flex}.chip-label{color:var(--text-muted);font-size:.74rem}.preset-chip{border:1px solid var(--border-strong);color:var(--text-dim);cursor:pointer;font-size:.76rem;font-family:var(--font-sans);background:0 0;border-radius:20px;padding:3px 10px;transition:all .15s}.preset-chip:hover{border-color:var(--cyan);color:var(--cyan);background:#00f3ff0f}.preset-chip.active{border-color:var(--cyan);color:#000;background:var(--cyan)}[data-theme=light] .preset-chip{color:var(--text-dim);border-color:#0003}[data-theme=light] .preset-chip:hover{color:#0e7490;background:#0e74900f;border-color:#0e7490}[data-theme=light] .preset-chip.active{color:#fff;background:#0e7490;border-color:#0e7490}.efficiency-row{align-items:center;gap:10px;display:flex}.eff-slider{-webkit-appearance:none;appearance:none;background:var(--border);cursor:pointer;border-radius:2px;outline:none;flex:1;height:4px}.eff-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--cyan);cursor:pointer;border-radius:50%;width:16px;height:16px;box-shadow:0 0 6px #00f3ff80}.eff-slider::-moz-range-thumb{background:var(--cyan);cursor:pointer;border:none;border-radius:50%;width:16px;height:16px}.eff-display{text-align:right;width:40px;color:var(--cyan);font-size:.88rem;font-weight:700;font-family:var(--font-mono);flex-shrink:0}.eff-hint{color:var(--text-muted);margin-top:5px;font-size:.74rem}[data-theme=light] .eff-slider{background:#00000026}[data-theme=light] .eff-slider::-webkit-slider-thumb{background:#0e7490;box-shadow:0 0 6px #0e74904d}[data-theme=light] .eff-display{color:#0e7490}.hero-result{text-align:center;background:#ffffff08;border-radius:12px;margin-bottom:1rem;padding:1.2rem 1rem 1rem}.hero-label{text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);font-size:.75rem;font-weight:700;font-family:var(--font-mono);margin-bottom:6px}.hero-value{color:var(--cyan);font-size:clamp(1.4rem,3vw,2rem);font-weight:800;font-family:var(--font-mono);line-height:1.1}.hero-sub{color:var(--text-muted);margin-top:4px;font-size:.78rem}[data-theme=light] .hero-result{background:#f0f4f9}[data-theme=light] .hero-value{color:#0e7490}.result-row{background:#bc13fe0f;border:1px solid #bc13fe33;border-radius:8px;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:1rem;padding:8px 10px;display:flex}.rr-label{color:var(--text-dim);flex:1;min-width:80px;font-size:.8rem}.rr-value{color:var(--purple);font-size:.95rem;font-weight:700;font-family:var(--font-mono)}.rr-note{color:var(--text-muted);font-size:.75rem}[data-theme=light] .result-row{background:#7c3aed0f;border-color:#7c3aed33}[data-theme=light] .rr-value{color:#7c3aed}.transfer-bar-wrap{margin-bottom:1rem}.transfer-bar-track{background:#ffffff0f;border-radius:5px;height:10px;position:relative;overflow:hidden}.transfer-bar-fill{background:linear-gradient(90deg, var(--cyan), var(--purple));border-radius:5px;width:0%;height:100%;transition:width .6s;position:relative}.transfer-bar-fill:after{content:"";background:#ffffff80;border-radius:2px;width:3px;position:absolute;top:0;bottom:0;right:0}.transfer-bar-labels{color:var(--text-muted);justify-content:space-between;margin-top:4px;font-size:.68rem;display:flex}[data-theme=light] .transfer-bar-track{background:#00000014}.speed-context{color:var(--text-dim);border-left:3px solid var(--cyan);background:#00f3ff0d;border-radius:6px;min-height:36px;margin-bottom:1rem;padding:8px 10px;font-size:.82rem}.speed-context:empty{display:none}[data-theme=light] .speed-context{background:#eff9fb;border-color:#0e7490}.unit-table-wrap{margin-bottom:1rem}.unit-table-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:6px;font-size:.74rem;font-weight:700}.click-copy-hint{opacity:.7;text-transform:none;letter-spacing:0;font-weight:400}.unit-table{grid-template-columns:1fr 1fr;gap:3px;display:grid}.unit-row{cursor:pointer;background:#ffffff08;border-radius:5px;justify-content:space-between;align-items:center;padding:6px 8px;font-size:.82rem;transition:background .15s;display:flex}.unit-row:hover{background:#00f3ff14}.unit-row-label{color:var(--text-muted);font-family:var(--font-mono);font-size:.76rem}.unit-row-value{color:var(--text-main);font-weight:600;font-family:var(--font-mono)}[data-theme=light] .unit-row{background:#f0f4f9}[data-theme=light] .unit-row:hover{background:#0e749014}[data-theme=light] .unit-row-value{color:#0f172a}.action-bar{flex-wrap:wrap;gap:8px;margin-top:1rem;display:flex}.act-btn{border:1px solid var(--border-strong);color:var(--text-dim);font-size:.82rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border-radius:8px;flex:1;padding:8px 12px;transition:all .15s}.act-btn:hover{border-color:var(--cyan);color:var(--cyan);background:#00f3ff0f}.add-btn{border-color:var(--cyan);color:var(--cyan);background:#00f3ff1a;flex:0;padding:9px 16px}.add-btn:hover{background:var(--cyan);color:#000}[data-theme=light] .act-btn{color:var(--text-dim);border-color:#0003}[data-theme=light] .act-btn:hover{color:#0e7490;background:#0e74900f;border-color:#0e7490}[data-theme=light] .add-btn{color:#0e7490;background:#0e74901a;border-color:#0e7490}[data-theme=light] .add-btn:hover{color:#fff;background:#0e7490}.planner-add-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:1rem;display:flex}.plan-act-select{flex:1;min-width:180px}.plan-count-input{flex-shrink:0;width:70px}.planner-empty{text-align:center;color:var(--text-muted);padding:24px 0;font-size:.85rem}.planner-table{border-collapse:collapse;width:100%;font-size:.84rem}.planner-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--border);font-size:.72rem;font-family:var(--font-mono);padding:8px 6px}.planner-table td{color:var(--text-dim);border-bottom:1px solid #ffffff08;padding:8px 6px}.planner-table tbody tr:hover td{background:#ffffff05}.planner-table .mbps-col{color:var(--cyan);font-family:var(--font-mono);font-weight:600}.planner-total-row td{padding-top:10px;color:var(--text-main)!important}.planner-remove{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:1rem;transition:color .15s}.planner-remove:hover{color:#ef4444}.buffer-toggle-row{border-top:1px solid var(--border);margin-top:1rem;padding-top:1rem}.toggle-label{cursor:pointer;color:var(--text-dim);user-select:none;align-items:center;gap:10px;font-size:.85rem;display:flex}.toggle-label input[type=checkbox]{display:none}.toggle-switch{background:#ffffff1a;border-radius:10px;flex-shrink:0;width:36px;height:20px;transition:background .2s;position:relative}.toggle-switch:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .2s;position:absolute;top:3px;left:3px}.toggle-label input:checked+.toggle-switch{background:var(--cyan)}.toggle-label input:checked+.toggle-switch:after{transform:translate(16px)}[data-theme=light] .toggle-switch{background:#00000026}[data-theme=light] .toggle-label input:checked+.toggle-switch{background:#0e7490}[data-theme=light] .planner-table td{border-bottom-color:#0000000d}[data-theme=light] .planner-table tbody tr:hover td{background:#00000005}[data-theme=light] .planner-table th{border-color:#0000001a}.tier-section{margin:1rem 0}.tier-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-size:.75rem;font-weight:700;font-family:var(--font-mono);margin-bottom:8px}.tier-pills{flex-wrap:wrap;gap:6px;display:flex}.tier-pill{border:1px solid var(--border-strong);color:var(--text-dim);border-radius:20px;padding:6px 14px;font-size:.8rem;font-weight:600;transition:all .2s}.tier-pill.recommended{background:var(--cyan);border-color:var(--cyan);color:#000;box-shadow:0 0 10px #00f3ff4d}.tier-pill.insufficient{opacity:.4}[data-theme=light] .tier-pill{border-color:#0003}[data-theme=light] .tier-pill.recommended{color:#fff;background:#0e7490;border-color:#0e7490;box-shadow:0 0 10px #0e749033}.chart-section{margin-top:1.2rem}.chart-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-size:.75rem;font-weight:700;font-family:var(--font-mono);margin-bottom:8px}.isp-table{border-collapse:collapse;width:100%;margin-top:8px;font-size:.83rem}.isp-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;border-bottom:1px solid var(--border);font-size:.72rem;font-family:var(--font-mono);padding:6px 4px}.isp-table td{color:var(--text-dim);border-bottom:1px solid #ffffff08;padding:7px 4px}.isp-table td:last-child{color:var(--cyan);font-weight:600;font-family:var(--font-mono)}.isp-table tbody tr:hover td{background:#ffffff05}[data-theme=light] .isp-table th{border-color:#0000001a}[data-theme=light] .isp-table td{border-color:#0000000d}[data-theme=light] .isp-table td:last-child{color:#0e7490}[data-theme=light] .isp-table tbody tr:hover td{background:#00000005}.sub-card-title{color:var(--text-dim);margin:1.2rem 0 .6rem;font-size:.8rem;font-weight:700}.isp-stats-grid{grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:1rem;display:grid}.isp-stat{text-align:center;background:#ffffff08;border-radius:10px;padding:10px}.isp-stat-value{color:var(--cyan);font-size:1.5rem;font-weight:800;font-family:var(--font-mono)}.isp-stat-label{color:var(--text-muted);margin-top:2px;font-size:.72rem}[data-theme=light] .isp-stat{background:#f0f4f9}[data-theme=light] .isp-stat-value{color:#0e7490}.activity-grid{flex-direction:column;gap:5px;margin-bottom:1rem;display:flex}.activity-row{align-items:center;gap:10px;font-size:.83rem;display:flex}.activity-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.dot-green{background:#22c55e}.dot-yellow{background:#f59e0b}.dot-red{background:#ef4444}.activity-name{color:var(--text-dim);flex:1}.activity-req{color:var(--text-muted);font-family:var(--font-mono);font-size:.76rem}.upload-stats{flex-direction:column;gap:6px;display:flex}.upload-row{background:#ffffff08;border-radius:6px;justify-content:space-between;align-items:center;padding:6px 8px;font-size:.82rem;display:flex}.upload-row-label{color:var(--text-dim)}.upload-row-val{color:var(--text-main);font-weight:600;font-family:var(--font-mono)}[data-theme=light] .upload-row{background:#f0f4f9}#toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{color:var(--text-main);pointer-events:auto;background:#141428f2;border:1px solid #ffffff1a;border-radius:8px;max-width:300px;padding:10px 16px;font-size:.85rem;animation:.3s toastIn}.toast-success{border-color:var(--cyan)}.toast-warn{border-color:#f59e0b}.toast-error{border-color:#ef4444}@keyframes toastIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}[data-theme=light] .toast{color:#0f172a;background:#fffffff7;border-color:#00000026;box-shadow:0 4px 12px #0000001a}.page-sections-outer{max-width:1200px;margin:2rem auto 0;padding:0 1.2rem 3rem}.calc-section{margin-bottom:2.5rem}.calc-section__title{color:var(--text-main);margin:0 0 1.2rem;font-size:1.1rem;font-weight:800}.how-steps{flex-direction:column;gap:12px;display:flex}.how-step{align-items:flex-start;gap:14px;display:flex}.step-num{background:var(--cyan);color:#000;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.85rem;font-weight:800;display:flex}.step-body{color:var(--text-dim);padding-top:6px;font-size:.88rem;line-height:1.6}.step-body strong{color:var(--text-main)}[data-theme=light] .step-num{color:#fff;background:#0e7490}[data-theme=light] .step-body strong{color:#0f172a}.pills-grid{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:1.2rem;display:grid}.formula-pill{border:1px solid;border-radius:10px;padding:14px}.pill-cyan{background:#00f3ff0f;border-color:#00f3ff33}.pill-purple{background:#bc13fe0f;border-color:#bc13fe33}.pill-name{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-size:.72rem;font-weight:700;font-family:var(--font-mono);margin-bottom:6px}.pill-formula{color:var(--text-main);font-size:.88rem;font-weight:700;font-family:var(--font-mono);margin-bottom:4px}.pill-note{color:var(--text-muted);font-size:.76rem}.bits-bytes-explainer{color:var(--text-dim);background:#00f3ff0a;border:1px solid #00f3ff26;border-radius:10px;padding:14px 16px;font-size:.85rem;line-height:1.7}.bits-bytes-explainer strong{color:var(--cyan)}.bits-bytes-explainer em{color:var(--cyan);font-style:normal}[data-theme=light] .pill-cyan{background:#0e74900f;border-color:#0e749033}[data-theme=light] .pill-purple{background:#7c3aed0f;border-color:#7c3aed33}[data-theme=light] .bits-bytes-explainer{background:#eff9fb;border-color:#0e749033}[data-theme=light] .bits-bytes-explainer strong,[data-theme=light] .bits-bytes-explainer em{color:#0e7490}.gloss-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.gloss-item{border:1px solid var(--border);background:#ffffff08;border-radius:8px;padding:12px 14px}.gloss-item dt{color:var(--cyan);margin-bottom:4px;font-size:.82rem;font-weight:700}.gloss-item dd{color:var(--text-dim);margin:0;font-size:.8rem;line-height:1.55}[data-theme=light] .gloss-item{background:#f0f4f9;border-color:#00000014}[data-theme=light] .gloss-item dt{color:#0e7490}.ex-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.ex-card{border:1px solid var(--border);background:#ffffff08;border-radius:10px;padding:16px}.ex-num{color:#ffffff12;font-size:1.8rem;font-weight:800;font-family:var(--font-mono);margin-bottom:8px;line-height:1}.ex-card h3{color:var(--text-main);margin:0 0 8px;font-size:.85rem;font-weight:700}.ex-card p{color:var(--text-dim);margin:0;font-size:.82rem;line-height:1.6}.ex-card strong{color:var(--cyan)}[data-theme=light] .ex-card{background:#f0f4f9;border-color:#00000014}[data-theme=light] .ex-num{color:#00000014}[data-theme=light] .ex-card h3{color:#0f172a}[data-theme=light] .ex-card strong{color:#0e7490}.article-inner{grid-template-columns:1fr 220px;align-items:start;gap:2rem;display:grid}.article-inner article h2{color:var(--text-main);margin:0 0 1rem;font-size:1.1rem;font-weight:800}.article-inner article h3{color:var(--cyan);margin:1.2rem 0 .5rem;font-size:.92rem;font-weight:700}.article-inner article p{color:var(--text-dim);margin:0;font-size:.86rem;line-height:1.75}.article-toc{border:1px solid var(--border);background:#ffffff08;border-radius:10px;padding:14px;position:sticky;top:80px}.article-toc__label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-size:.72rem;font-weight:700;font-family:var(--font-mono);margin-bottom:8px}.article-toc a{color:var(--text-dim);border-left:2px solid #0000;padding:4px 0 4px 8px;font-size:.8rem;text-decoration:none;transition:all .15s;display:block}.article-toc a:hover,.article-toc a.active{color:var(--cyan);border-color:var(--cyan)}[data-theme=light] .article-inner article h3{color:#0e7490}[data-theme=light] .article-toc{background:#f0f4f9;border-color:#00000014}[data-theme=light] .article-toc a:hover,[data-theme=light] .article-toc a.active{color:#0e7490;border-color:#0e7490}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--text-main);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(--font-mono);color:var(--text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--accent)}.faq-item__question:hover{color:var(--cyan)}.faq-item__answer{color:var(--text-dim);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[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:#0e749059;box-shadow:0 2px 10px #0e749014}[data-theme=light] .faq-item[open]{border-color:#0e749066 #0e749066 #0e749066 #0e7490;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #0e74901a}[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:#0e7490}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}@media (width<=900px){.calc-dashboard,.pills-grid,.gloss-grid,.ex-grid,.article-inner{grid-template-columns:1fr}.article-toc{display:none}.unit-table{grid-template-columns:1fr}.isp-stats-grid{grid-template-columns:repeat(4,1fr)}}@media (width<=600px){.solve-toggle,.planner-add-row{flex-wrap:wrap}.plan-act-select{min-width:100%}.plan-count-input{width:80px}.isp-stats-grid{grid-template-columns:repeat(2,1fr)}.outer-tab-bar{gap:2px}.outer-tab{padding:8px 10px;font-size:.8rem}}