:root{--accent:var(--calc-color-education);--accent-rgb:var(--calc-color-education-rgb)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--calc-bg-page);color:var(--calc-text-primary);min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.main-container{max-width:1200px;margin:0 auto;padding:24px}.page-header{margin-bottom:1.5rem}.page-title{margin-bottom:.25rem;font-size:2rem;font-weight:800}.page-sub{color:var(--calc-text-faded);font-size:.92rem}.card{background:var(--calc-bg-card);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);padding:20px}.input-card{border-left:3px solid var(--calc-cyan)}.result-card{border-left:3px solid var(--accent)}.section-title{margin-bottom:14px;font-size:1rem;font-weight:700}.tab-nav{border-bottom:1px solid var(--calc-border-subtle);flex-wrap:wrap;margin-bottom:24px;display:flex}.tab-btn{color:var(--calc-text-faded);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 22px;font-family:inherit;font-size:.9rem;transition:color .2s,border-color .2s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:1fr 1.4fr;align-items:start;gap:20px;display:grid}.form-group{margin-bottom:12px}.form-label{color:var(--calc-text-dim);letter-spacing:.02em;margin-bottom:5px;font-size:.82rem;font-weight:600;display:block}.glass-input{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);width:100%;color:var(--calc-text-primary);border-radius:8px;padding:9px 12px;font-family:inherit;font-size:.9rem;transition:border-color .2s}.glass-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb), .12);outline:none}.glass-input::placeholder{color:#ffffff4d}.calc-select{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);width:100%;color:var(--calc-text-primary);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 12px center;background-repeat:no-repeat;border-radius:8px;padding:9px 32px 9px 12px;font-family:inherit;font-size:.9rem;transition:border-color .2s}.calc-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb), .12);outline:none}.calc-select option{background:var(--calc-bg-card);color:var(--calc-text-primary)}.action-row{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.btn{cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-family:inherit;font-size:.85rem;font-weight:600;transition:opacity .2s,border-color .2s,color .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{opacity:.88}.btn-ghost{background:var(--calc-bg-input);color:var(--calc-text-dim);border:1px solid var(--calc-border-default)}.btn-ghost:hover{border-color:var(--accent);color:var(--calc-text-primary)}.hero-result{text-align:center;border-bottom:1px solid var(--calc-border-subtle);margin-bottom:18px;padding:16px 12px 20px}.hero-label{text-transform:uppercase;letter-spacing:.08em;color:var(--calc-text-faded);margin-bottom:4px;font-size:.79rem;font-weight:600}.hero-value{font-size:2.6rem;font-weight:900;font-family:var(--calc-font-mono,monospace);color:var(--accent);margin-bottom:4px;line-height:1}.hero-sub{color:var(--calc-text-faded);margin-top:4px;font-size:.8rem}.stat-grid{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.stat-card{text-align:center;background:#ffffff08;border:1px solid #ffffff0f;border-left:3px solid #0000;border-radius:10px;padding:10px 8px}.stat-card.accent-left{border-left-color:var(--accent)}.stat-label{text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin-bottom:4px;font-size:.7rem;font-weight:600}.stat-value{font-size:1.25rem;font-weight:800;font-family:var(--calc-font-mono,monospace);color:var(--calc-text-primary)}.comparison-note{color:var(--calc-text-faded);margin-bottom:16px;font-size:.82rem;line-height:1.5}.comparison-placeholder{color:var(--calc-text-faded);padding:8px 0;font-size:.85rem}.comparison-tbl{border-collapse:collapse;width:100%;font-size:.88rem}.comparison-tbl th{text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);text-align:left;border-bottom:1px solid var(--calc-border-subtle);padding:8px 12px;font-size:.72rem;font-weight:700}.comparison-tbl td{color:var(--calc-text-dim);vertical-align:middle;border-bottom:1px solid #ffffff0a;padding:10px 12px}.comparison-tbl tr:last-child td{border-bottom:none}.comparison-tbl tr:hover td{background:#ffffff08}.active-row td{background:rgba(var(--accent-rgb), .06)}.selected-badge{text-transform:uppercase;letter-spacing:.06em;background:rgba(var(--accent-rgb), .15);color:var(--accent);vertical-align:middle;border-radius:10px;margin-left:6px;padding:2px 6px;font-size:.62rem;font-weight:700;display:inline-block}.howto-block{border-bottom:1px solid var(--calc-border-subtle);margin-bottom:18px;padding-bottom:18px}.howto-block:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}.howto-block__title{color:var(--accent);margin-bottom:6px;font-size:.95rem;font-weight:700}.howto-block__body{color:var(--calc-text-dim);font-size:.88rem;line-height:1.65}.howto-disclaimer{color:var(--calc-text-faded);margin-top:18px;font-size:.78rem;font-style:italic;line-height:1.55}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.foot{border-top:1px solid var(--calc-border-subtle);background:#05051099;margin-top:40px;padding:40px 24px 24px}.foot-inner{grid-template-columns:1.5fr repeat(3,1fr);gap:32px;max-width:1100px;margin:0 auto;display:grid}.foot-wordmark{letter-spacing:.08em;align-items:center;gap:8px;margin-bottom:8px;font-size:1rem;font-weight:800;display:flex}.foot-tagline{color:var(--calc-text-faded);font-size:.8rem}.foot-col h4{text-transform:uppercase;letter-spacing:.08em;color:var(--calc-text-faded);margin-bottom:12px;font-size:.75rem;font-weight:700}.foot-col ul{list-style:none}.foot-col li{margin-bottom:8px}.foot-col a{color:var(--calc-text-dim);font-size:.83rem;transition:color .2s}.foot-col a:hover{color:var(--calc-text-primary)}.foot-legal{max-width:1100px;color:var(--calc-text-faded);border-top:1px solid #ffffff0d;gap:20px;margin:24px auto 0;padding-top:16px;font-size:.78rem;display:flex}@media (width<=1024px){.calc-layout{grid-template-columns:1fr}}@media (width<=768px){.stat-grid{grid-template-columns:repeat(3,1fr)}.foot-inner{grid-template-columns:1fr 1fr}}@media (width<=480px){.main-container{padding:16px}.page-title{font-size:1.5rem}.hero-value{font-size:2rem}.stat-grid,.foot-inner{grid-template-columns:1fr}}[data-theme=light]{--accent:var(--calc-color-education);--accent-rgb:var(--calc-color-education-rgb)}[data-theme=light] body{background:var(--calc-bg-page);color:var(--calc-text-primary)}[data-theme=light] .card{background:#fff;border-color:#0000001a;box-shadow:0 2px 10px #00000012}[data-theme=light] .glass-input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .glass-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb), .12)}[data-theme=light] .glass-input::placeholder{color:#00000059}[data-theme=light] .calc-select{color:#0f172a;background-color:#f0f4f9;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='%23475569' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");border-color:#00000026}[data-theme=light] .calc-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb), .12)}[data-theme=light] .calc-select option{color:#0f172a;background:#fff}[data-theme=light] .btn-ghost{color:#334155;background:#f0f4f9;border-color:#00000026}[data-theme=light] .btn-ghost:hover{border-color:var(--accent);color:#0f172a}[data-theme=light] .hero-value{color:var(--accent)}[data-theme=light] .stat-card{background:#edf2f9;border-color:#0000001a}[data-theme=light] .tab-nav{border-bottom-color:#0000001a}[data-theme=light] .tab-btn{color:#64748b}[data-theme=light] .tab-btn:hover{color:#0f172a}[data-theme=light] .tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}[data-theme=light] .comparison-tbl th{color:#64748b;border-bottom-color:#0000001a}[data-theme=light] .comparison-tbl td{color:#334155;border-bottom-color:#0000000f}[data-theme=light] .comparison-tbl tr:hover td{background:#f8fafc}[data-theme=light] .active-row td{background:rgba(var(--accent-rgb), .04)}[data-theme=light] .selected-badge{background:rgba(var(--accent-rgb), .1);color:var(--accent)}[data-theme=light] .howto-block{border-bottom-color:#00000014}[data-theme=light] .howto-block__title{color:var(--accent)}[data-theme=light] .howto-block__body{color:#334155}[data-theme=light] .howto-disclaimer{color:#64748b}[data-theme=light] .foot{background:#f8fafcf2;border-top-color:#0000001a}[data-theme=light] .foot-col a{color:#475569}[data-theme=light] .foot-col a:hover{color:#0f172a}[data-theme=light] .foot-legal{color:#64748b;border-top-color:#00000014}