:root{--accent:var(--calc-color-education);--accent-glow:#f472b640}[data-theme=light]{--accent:#be185d;--accent-glow:none}.main-container{max-width:1100px;margin:0 auto;padding:0 20px 20px}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.tab-nav{flex-wrap:wrap;gap:6px;margin-bottom:20px;display:flex}.tab-btn{border-radius:var(--calc-radius-md,10px);border:1px solid var(--calc-border-default,#ffffff1f);background:var(--calc-bg-card,#ffffff0a);color:var(--calc-text-primary,#f8fafc);cursor:pointer;padding:8px 18px;font-size:.88rem;font-weight:500;transition:background .2s,border-color .2s}.tab-btn:hover{border-color:var(--accent);background:#f472b61f}.tab-btn.active,.tab-btn[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:#fff}[data-theme=light] .tab-btn{color:#0f172a;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .tab-btn:hover{background:#be185d14;border-color:#be185d}[data-theme=light] .tab-btn.active,[data-theme=light] .tab-btn[aria-selected=true]{color:#fff;background:#be185d;border-color:#be185d}.preset-chips{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.preset-chip{border:1px solid var(--calc-border-default,#ffffff1f);color:var(--calc-text-primary,#f8fafc);cursor:pointer;background:0 0;border-radius:20px;padding:6px 14px;font-size:.82rem;transition:background .2s,border-color .2s,color .2s}.preset-chip:hover{border-color:var(--accent);color:var(--accent)}.preset-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}[data-theme=light] .preset-chip{color:#334155;background:#f0f4f9;border-color:#00000026}[data-theme=light] .preset-chip:hover{color:#be185d;background:#be185d0f;border-color:#be185d}[data-theme=light] .preset-chip.active{color:#fff;background:#be185d;border-color:#be185d}.input-card{background:var(--calc-bg-card,#ffffff0a);border:1px solid var(--calc-border-default,#ffffff14);border-radius:var(--calc-radius-lg,16px);margin-bottom:20px;padding:20px}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--calc-text-faded,#a8b8cc);font-size:.82rem;font-weight:500}.form-group input{border:1px solid var(--calc-border-default,#ffffff1a);background:var(--calc-bg-input,#ffffff0d);color:var(--calc-text-primary,#f8fafc);font-size:.95rem;font-family:var(--calc-font-mono,monospace);box-sizing:border-box;border-radius:8px;width:100%;padding:9px 12px;transition:border-color .2s}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}[data-theme=light] .input-card{background:#fff;border-color:#0000001a;box-shadow:0 2px 10px #0000000f}[data-theme=light] .form-group label{color:#475569}[data-theme=light] .form-group input{color:#0f172a;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .form-group input:focus{box-shadow:none;border-color:#be185d}.result-card{background:var(--calc-bg-card,#ffffff0a);border:1px solid var(--calc-border-default,#ffffff14);border-radius:var(--calc-radius-lg,16px);padding:24px}.hero-area{text-align:center;border-bottom:1px solid var(--calc-border-default,#ffffff12);margin-bottom:20px;padding-bottom:20px}.hero-label{color:var(--calc-text-faded,#a8b8cc);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:.85rem}.hero-value{font-size:2.4rem;font-weight:700;font-family:var(--calc-font-mono,monospace);line-height:1.1}.hero-value.positive{color:var(--calc-emerald,#34d399)}.hero-value.negative{color:var(--calc-rose,#fb7185)}.hero-sub{color:var(--calc-text-dim,#7b90a8);margin-top:4px;font-size:.78rem}[data-theme=light] .hero-value.positive{color:#047857}[data-theme=light] .hero-value.negative{color:#e11d48}.stat-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px;display:grid}.stat-cell{text-align:center;background:#ffffff0a;border:1px solid #ffffff12;border-radius:10px;padding:12px}.stat-label{color:var(--calc-text-faded,#a8b8cc);margin-bottom:4px;font-size:.74rem}.stat-value{font-size:1rem;font-weight:600;font-family:var(--calc-font-mono,monospace);color:var(--calc-text-primary,#f8fafc)}[data-theme=light] .result-card{background:#fff;border-color:#0000001a;box-shadow:0 2px 10px #0000000f}[data-theme=light] .hero-area{border-color:#00000014}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-label{color:#64748b}[data-theme=light] .stat-value{color:#0f172a}.alert-box{border-radius:10px;margin-bottom:16px;padding:12px 16px;font-size:.88rem;line-height:1.55}.alert-positive{color:#6ee7b7;background:#34d3991a;border:1px solid #34d39940}.alert-negative{color:#fda4af;background:#fb71851a;border:1px solid #fb718540}[data-theme=light] .alert-positive{color:#14532d;background:#f0fdf4;border-color:#16a34a59}[data-theme=light] .alert-negative{color:#7f1d1d;background:#fff1f2;border-color:#ef444459}.action-bar{justify-content:flex-end;gap:10px;display:flex}.action-btn{border:1px solid var(--calc-border-default,#ffffff1f);color:var(--calc-text-primary,#f8fafc);cursor:pointer;background:0 0;border-radius:8px;padding:8px 16px;font-size:.85rem;transition:background .2s,border-color .2s}.action-btn:hover{border-color:var(--accent);background:#f472b61f}[data-theme=light] .action-btn{color:#334155;background:#f0f4f9;border-color:#00000026}[data-theme=light] .action-btn:hover{color:#be185d;background:#be185d14;border-color:#be185d}.breakdown-section{flex-direction:column;gap:20px;display:flex}.breakdown-table-wrap{overflow-x:auto}.breakdown-table{border-collapse:collapse;width:100%;font-size:.88rem}.breakdown-table th{text-align:left;color:var(--calc-text-faded,#a8b8cc);background:#ffffff0d;border-bottom:1px solid #ffffff14;padding:10px 12px;font-weight:600}.breakdown-table td{color:var(--calc-text-primary,#f8fafc);vertical-align:top;border-bottom:1px solid #ffffff0d;padding:10px 12px}.breakdown-table .formula-col{color:var(--calc-text-faded,#a8b8cc);font-size:.82rem}.breakdown-table tr:hover td{background:#ffffff08}[data-theme=light] .breakdown-table th{color:#475569;background:#edf2f9;border-color:#0000001a}[data-theme=light] .breakdown-table td{color:#0f172a;border-color:#0000000f}[data-theme=light] .breakdown-table .formula-col{color:#64748b}[data-theme=light] .breakdown-table tr:hover td{background:#f8fafc}.chart-wrap{height:280px;position:relative}.chart-card{background:var(--calc-bg-card,#ffffff0a);border:1px solid var(--calc-border-default,#ffffff14);border-radius:var(--calc-radius-lg,16px);padding:20px}.chart-card h3{color:var(--calc-text-faded,#a8b8cc);margin-bottom:14px;font-size:.9rem;font-weight:600}[data-theme=light] .chart-card{background:#fff;border-color:#0000001a;box-shadow:0 2px 8px #0000000f}[data-theme=light] .chart-card h3{color:#475569}.comp-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.comp-card{background:var(--calc-bg-card,#ffffff0a);border:1px solid var(--calc-border-default,#ffffff14);border-radius:var(--calc-radius-lg,16px);padding:16px;transition:border-color .2s,box-shadow .2s}.comp-card.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}.comp-card-header{color:var(--calc-text-primary,#f8fafc);border-bottom:1px solid #ffffff12;margin-bottom:10px;padding-bottom:8px;font-size:.95rem;font-weight:600}.comp-stat{justify-content:space-between;align-items:center;padding:5px 0;font-size:.84rem;display:flex}.comp-stat span:first-child{color:var(--calc-text-faded,#a8b8cc)}.comp-stat span:last-child{font-family:var(--calc-font-mono,monospace);color:var(--calc-text-primary,#f8fafc);font-weight:600}.try-btn{border:1px solid var(--accent);width:100%;color:var(--accent);cursor:pointer;background:0 0;border-radius:8px;margin-top:12px;padding:7px 0;font-size:.83rem;font-weight:500;transition:background .2s;display:block}.try-btn:hover{background:var(--accent);color:#fff}[data-theme=light] .comp-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .comp-card.active{border-color:#be185d;box-shadow:0 0 0 2px #be185d1f}[data-theme=light] .comp-card-header{color:#0f172a;border-color:#00000014}[data-theme=light] .comp-stat span:first-child{color:#64748b}[data-theme=light] .comp-stat span:last-child{color:#0f172a}[data-theme=light] .try-btn{color:#be185d;border-color:#be185d}[data-theme=light] .try-btn:hover{color:#fff;background:#be185d}.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(--accent)}.faq-item__question:hover{color:var(--accent)}.faq-item__answer{color:var(--calc-text-faded,#a8b8cc);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;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#be185d4d}[data-theme=light] .faq-item[open]{border-color:#be185d66 #be185d66 #be185d66 #be185d;border-left-style:solid;border-left-width:3px}[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:#be185d}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}@media (width<=768px){.form-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}.comp-grid{grid-template-columns:1fr 1fr}}@media (width<=480px){.stat-grid{grid-template-columns:1fr 1fr}.comp-grid{grid-template-columns:1fr}.hero-value{font-size:1.8rem}}