:root{--color-bg: #0b0e14;--color-bg-subtle: #0f131a;--color-surface: #131722;--color-surface-raised: #181d2a;--color-surface-elevated: #1e2434;--color-surface-hover: #1b2130;--color-surface-active: #232b3d;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-text-disabled: #475569;--color-text-inverse: #0b0e14;--color-border: #202737;--color-border-subtle: #171d29;--color-border-strong: #333f56;--color-border-focus: #6366f1;--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-primary-subtle: rgba(99, 102, 241, .12);--color-primary-text: #818cf8;--color-success: #10b981;--color-success-subtle: rgba(16, 185, 129, .12);--color-success-text: #34d399;--color-warning: #f59e0b;--color-warning-subtle: rgba(245, 158, 11, .12);--color-warning-text: #fbbf24;--color-danger: #ef4444;--color-danger-subtle: rgba(239, 68, 68, .12);--color-danger-text: #f87171;--color-info: #06b6d4;--color-info-subtle: rgba(6, 182, 212, .12);--color-info-text: 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cubic-bezier(.16, 1, .3, 1);--transition-slow: all .22s cubic-bezier(.16, 1, .3, 1);--bg-page: var(--color-bg);--bg-page-mesh: none;--bg-surface: var(--color-surface);--bg-surface-elevated: var(--color-surface-raised);--bg-card: var(--color-card);--bg-card-hover: var(--color-card-hover);--bg-card-solid: var(--color-surface);--bg-input: var(--color-input);--bg-main: var(--color-bg);--bg-glass-input: var(--color-input);--bg-chip: var(--color-surface-raised);--bg-chip-hover: var(--color-surface-hover);--border-subtle: var(--color-border-subtle);--border-card: var(--color-border);--border-focus: var(--color-border-focus);--border-highlight: var(--color-border-strong);--border-glow: rgba(99, 102, 241, .15);--text-primary: var(--color-text);--text-secondary: var(--color-text-secondary);--text-muted: var(--color-text-muted);--text-inverse: var(--color-text-inverse);--accent-primary: var(--color-primary);--accent-primary-hover: var(--color-primary-hover);--accent-purple: #8b5cf6;--accent-cyan: #06b6d4;--accent-emerald: var(--color-success);--accent-amber: var(--color-warning);--accent-rose: var(--color-danger);--accent-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);--accent-gradient-subtle: rgba(99, 102, 241, .08);--accent-glow: 0 0 16px rgba(99, 102, 241, .2)}[data-theme=light]{--color-bg: #f8f9fa;--color-bg-subtle: #f1f3f5;--color-surface: #ffffff;--color-surface-raised: #f1f3f5;--color-surface-elevated: #ffffff;--color-surface-hover: #f4f5f7;--color-surface-active: #e9ecef;--color-text: #111827;--color-text-secondary: #4b5563;--color-text-muted: #6b7280;--color-text-disabled: #9ca3af;--color-text-inverse: #ffffff;--color-border: #e2e5e9;--color-border-subtle: #ebeef2;--color-border-strong: #cbd2d9;--color-border-focus: #4f46e5;--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-primary-subtle: rgba(79, 70, 229, .08);--color-primary-text: #4338ca;--color-success: #059669;--color-success-subtle: #ecfdf5;--color-success-text: #065f46;--color-warning: #d97706;--color-warning-subtle: #fffbeb;--color-warning-text: #92400e;--color-danger: #dc2626;--color-danger-subtle: #fef2f2;--color-danger-text: #991b1b;--color-info: #0284c7;--color-info-subtle: #f0f9ff;--color-info-text: #0369a1;--color-input: #ffffff;--color-input-border: #d1d5db;--color-input-border-hover: #9ca3af;--color-input-border-focus: #4f46e5;--color-input-text: #111827;--color-input-placeholder: #9ca3af;--color-card: #ffffff;--color-card-hover: #ffffff;--color-card-border: #e2e5e9;--color-card-border-hover: #cbd2d9;--shadow-xs: 0 1px 2px rgba(15, 23, 42, .04);--shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);--shadow-md: 0 4px 10px -2px rgba(15, 23, 42, .06);--shadow-lg: 0 10px 24px -4px rgba(15, 23, 42, .08);--shadow-card: 0 1px 3px rgba(15, 23, 42, .04), 0 2px 8px -2px rgba(15, 23, 42, .03);--shadow-modal: 0 20px 40px -10px rgba(15, 23, 42, .15), 0 0 0 1px rgba(15, 23, 42, .06);--shadow-hero: 0 4px 16px -2px rgba(15, 23, 42, .05);--bg-page: var(--color-bg);--bg-page-mesh: none;--bg-surface: var(--color-surface);--bg-surface-elevated: var(--color-surface-raised);--bg-card: var(--color-card);--bg-card-hover: var(--color-card-hover);--bg-card-solid: var(--color-surface);--bg-input: var(--color-input);--bg-main: var(--color-bg);--bg-glass-input: var(--color-input);--bg-chip: var(--color-surface-raised);--bg-chip-hover: var(--color-surface-hover);--border-subtle: var(--color-border-subtle);--border-card: var(--color-border);--border-focus: var(--color-border-focus);--border-highlight: var(--color-border-strong);--border-glow: rgba(79, 70, 229, .12);--text-primary: var(--color-text);--text-secondary: var(--color-text-secondary);--text-muted: var(--color-text-muted);--text-inverse: var(--color-text-inverse);--accent-primary: var(--color-primary);--accent-primary-hover: var(--color-primary-hover);--accent-purple: #7c3aed;--accent-cyan: #0284c7;--accent-emerald: var(--color-success);--accent-amber: var(--color-warning);--accent-rose: var(--color-danger);--accent-gradient: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);--accent-gradient-subtle: rgba(79, 70, 229, .06);--accent-glow: 0 0 14px rgba(79, 70, 229, .15)}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;max-width:100vw;width:100%;transition:background-color .2s ease,color .2s ease}input,select,textarea{font-family:inherit;color:var(--color-input-text);background-color:var(--color-input);border:1px solid var(--color-input-border);border-radius:var(--radius-md);outline:none;font-size:.9rem;box-sizing:border-box;transition:border-color .15s ease,box-shadow .15s ease,background-color .15s 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var(--color-primary-subtle)!important}textarea.calc-input,textarea.text-input,textarea.input-field{height:auto;min-height:85px;padding:.65rem .85rem;resize:vertical}button{font-family:inherit;cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}table{width:100%;border-collapse:collapse}th{background-color:var(--color-surface-raised);color:var(--color-text-secondary);font-size:.76rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:.75rem 1rem;border-bottom:1px solid var(--color-border)}td{padding:.75rem 1rem;border-bottom:1px solid var(--color-border-subtle);color:var(--color-text);font-size:.88rem}tr.admin-table-row:hover,tbody tr:hover{background-color:var(--color-surface-hover)}.app-container{display:flex;flex-direction:column;min-height:100vh;width:100%;max-width:100vw;overflow-x:hidden;background-color:var(--color-bg);color:var(--color-text)}.main-content{display:flex;flex:1;max-width:1440px;width:100%;margin:0 auto;padding:1.5rem;gap:1.75rem;overflow-x:hidden}@media(max-width:1024px){.main-content{flex-direction:column;padding:1rem}}.navbar{position:sticky;top:0;z-index:40;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:#0a0e17cc;border-bottom:1px solid var(--border-subtle);padding:.75rem 1.5rem;transition:var(--transition)}[data-theme=light] .navbar{background:#ffffffd9}.nav-inner{max-width:1440px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem}.nav-brand{display:flex;align-items:center;gap:.75rem;cursor:pointer}.brand-icon-box{width:38px;height:38px;border-radius:var(--radius-md);background:#0f172ad9;border:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 14px #00000059,0 0 12px #38bdf833;transition:transform .2s ease,box-shadow .2s ease}.brand-icon-box:hover{transform:scale(1.05);box-shadow:0 6px 18px #00000073,0 0 16px #38bdf859}.brand-text{font-size:1.25rem;font-weight:700;letter-spacing:-.025em;color:var(--color-text)}[data-theme=light] .brand-text{color:var(--color-text);background:none;-webkit-background-clip:unset;-webkit-text-fill-color:initial}.brand-badge{font-size:.7rem;font-weight:700;padding:.15rem .5rem;border-radius:var(--radius-full);background:#6366f126;color:#818cf8;border:1px solid rgba(99,102,241,.3);text-transform:uppercase;letter-spacing:.05em}.nav-search-btn{display:flex;align-items:center;gap:.6rem;background:var(--bg-chip);border:1px solid var(--border-card);padding:.45rem .85rem;border-radius:var(--radius-full);color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:var(--transition);min-width:220px}@media(max-width:640px){.nav-search-btn{min-width:auto}.nav-search-btn span:not(.kbd){display:none}}.nav-search-btn:hover{background:#ffffff14;border-color:var(--border-highlight);color:var(--text-primary)}.kbd{font-family:var(--font-mono);font-size:.75rem;background:#00000040;border:1px solid var(--border-subtle);padding:.1rem .4rem;border-radius:4px;color:var(--text-muted)}.nav-actions{display:flex;align-items:center;gap:.5rem}.icon-btn{background:var(--bg-chip);border:1px solid var(--border-subtle);color:var(--text-secondary);width:38px;height:38px;min-width:38px;min-height:38px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);flex-shrink:0;position:relative;touch-action:manipulation}.icon-btn:hover{background:#ffffff1a;color:var(--text-primary);border-color:var(--border-card)}[data-theme=light] .icon-btn{background:#fff;border-color:#0f172a1a;color:#334155;box-shadow:0 1px 3px #0f172a0d}[data-theme=light] 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.35rem;border-radius:var(--radius-full);background:#0003}.sidebar{width:280px;flex-shrink:0;display:flex;flex-direction:column;gap:1.25rem}@media(max-width:1024px){.sidebar{width:100%}}.sidebar-card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow-card)}.sidebar-title{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.75rem;display:flex;align-items:center;justify-content:space-between}.tool-nav-list{display:flex;flex-direction:column;gap:.35rem;list-style:none}.tool-nav-item{display:flex;align-items:center;justify-content:space-between;padding:.55rem .75rem;border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;font-weight:500;cursor:pointer;transition:var(--transition)}.tool-nav-item:hover{background:#ffffff0d;color:var(--text-primary);transform:translate(3px)}.tool-nav-item.active{background:#6366f126;color:#a5b4fc;border-left:3px solid var(--accent-primary);font-weight:600}.content-area{flex:1;min-width:0;display:flex;flex-direction:column;gap:1.5rem}.glass-card{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-card);border-radius:var(--radius-xl);padding:1.75rem;box-shadow:var(--shadow-card);position:relative;overflow:hidden}@media(max-width:640px){.glass-card{padding:1.25rem;border-radius:var(--radius-lg)}}.tool-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.5rem;padding-bottom:1.25rem;border-bottom:1px solid var(--border-subtle)}.tool-title{font-size:1.75rem;font-weight:800;letter-spacing:-.02em;color:var(--text-primary);margin-bottom:.35rem}.tool-desc{color:var(--text-secondary);font-size:.95rem;line-height:1.5;max-width:720px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-bottom:1.5rem}.form-group{display:flex;flex-direction:column;gap:.4rem}.form-label{font-size:.85rem;font-weight:600;color:var(--text-secondary);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.25rem}.input-container{position:relative;display:flex;align-items:center}.text-input{width:100%;background:var(--bg-input);border:1px solid var(--border-card);border-radius:var(--radius-md);padding:.75rem 1rem;color:var(--text-primary);font-size:1rem;font-family:var(--font-mono);outline:none;transition:var(--transition)}.text-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #6366f133}.input-suffix{position:absolute;right:.85rem;color:var(--text-muted);font-size:.875rem;font-weight:500;pointer-events:none}.slider-input{width:100%;height:6px;background:var(--bg-chip);border-radius:var(--radius-full);outline:none;-moz-appearance:none;appearance:none;-webkit-appearance:none;cursor:pointer;margin-top:.4rem}.slider-input::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-primary);cursor:pointer;box-shadow:0 0 8px #6366f180;transition:transform .1s}.slider-input::-webkit-slider-thumb:hover{transform:scale(1.15)}.results-box{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;gap:1rem;margin-top:1rem}.result-main{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:.5rem}.result-label{font-size:.88rem;font-weight:600;color:var(--color-text-secondary)}.result-val{font-family:var(--font-mono);font-size:2.25rem;font-weight:800;color:var(--color-text);letter-spacing:-.03em}[data-theme=light] .result-val{color:var(--color-text)}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.08)}.result-stat-item{display:flex;flex-direction:column;gap:.2rem}.result-stat-title{font-size:.78rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.result-stat-num{font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--text-primary)}.btn-primary{background:var(--accent-gradient);color:#fff;border:none;border-radius:var(--radius-md);padding:.75rem 1.5rem;font-weight:600;font-size:.95rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;transition:var(--transition);box-shadow:0 4px 14px #6366f14d}.btn-primary:hover{opacity:.95;transform:translateY(-1px);box-shadow:0 6px 20px #6366f173}.btn-secondary{background:var(--bg-chip);border:1px solid var(--border-card);color:var(--text-primary);border-radius:var(--radius-md);padding:.65rem 1.2rem;font-weight:600;font-size:.9rem;cursor:pointer;display:inline-flex;align-items:center;gap:.4rem;transition:var(--transition)}.btn-secondary:hover{background:#ffffff1a;border-color:var(--border-highlight)}.ad-container{display:flex;flex-direction:column;align-items:center;justify-content:center;margin:1.25rem 0;width:100%;overflow:hidden}.ad-label{font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:.35rem}.ad-box-leaderboard{width:100%;max-width:728px;min-height:90px;border:1px dashed var(--border-subtle);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;background:#ffffff05}.ad-box-rectangle{width:100%;max-width:300px;min-height:250px;border:1px dashed var(--border-subtle);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;background:#ffffff05}.affiliate-card{background:linear-gradient(135deg,#10b98114,#06b6d40d);border:1px solid rgba(16,185,129,.3);border-radius:var(--radius-lg);padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1.25rem;margin-top:1.5rem}@media(max-width:768px){.affiliate-card{flex-direction:column;align-items:flex-start}}.affiliate-tag{display:inline-flex;align-items:center;gap:.35rem;font-size:.72rem;font-weight:700;text-transform:uppercase;color:var(--accent-emerald);margin-bottom:.25rem}.affiliate-title{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:.25rem}.affiliate-desc{font-size:.85rem;color:var(--text-secondary);line-height:1.4}.educational-card{background:var(--bg-surface);border:1px solid var(--border-card);border-radius:var(--radius-xl);padding:2rem;margin-top:2rem}.educational-card h3{font-size:1.35rem;font-weight:700;margin-bottom:.75rem;color:var(--text-primary)}.educational-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.7;margin-bottom:1.25rem}.formula-box{background:var(--color-surface);border:1px solid var(--color-border);border-left:3px solid var(--color-primary);border-radius:var(--radius-sm);padding:.85rem 1.15rem;margin:1rem 0;font-family:var(--font-mono);font-size:1rem;color:var(--color-text)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;background:#000000a6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:flex-start;justify-content:center;padding:5rem 1rem}[data-theme=light] .modal-overlay{background:#0f172a59;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.modal-content{background:var(--color-surface-raised);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);width:100%;max-width:640px;box-shadow:var(--shadow-modal);overflow:hidden;animation:modalEnter .2s cubic-bezier(.16,1,.3,1)}[data-theme=light] 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.95rem;gap:.65rem}.desktop-placeholder{display:none!important}.mobile-placeholder{display:block!important;font-size:.9rem}.hero-search-kbd{display:none!important}}.hero-trending-bar{display:flex;align-items:center;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-bottom:2rem;font-size:.82rem;position:relative;z-index:1}.hero-trending-label{color:var(--text-muted);font-weight:600;margin-right:.25rem}.hero-trending-chip{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.25rem .65rem;color:var(--color-text-secondary);font-weight:500;cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none}.hero-trending-chip:hover{background:var(--color-surface-hover);border-color:var(--color-border-strong);color:var(--color-text);transform:translateY(-1px)}[data-theme=light] 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5.5rem;gap:1.5rem}}.calculator-breadcrumb-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.breadcrumb-back-btn{display:inline-flex;align-items:center;gap:.45rem;font-size:.88rem;font-weight:600;color:var(--text-secondary);background:transparent;border:none;cursor:pointer;transition:var(--transition);padding:.35rem .65rem;border-radius:var(--radius-md)}.breadcrumb-back-btn:hover{color:var(--text-primary);background:#ffffff0f}.segmented-control{display:inline-flex;align-items:center;background:#0000004d;border:1px solid var(--border-subtle);border-radius:var(--radius-full);padding:3px;gap:2px}[data-theme=light] .segmented-control{background:#f1f5f9;border-color:#0f172a14}.segmented-btn{padding:.3rem .85rem;border-radius:var(--radius-full);font-size:.8rem;font-weight:600;color:var(--text-muted);background:transparent;border:none;cursor:pointer;transition:var(--transition)}[data-theme=light] .segmented-btn{color:#64748b}[data-theme=light] .segmented-btn:hover{color:#0f172a}.segmented-btn.active{background:#ffffff24;color:#fff;box-shadow:0 1px 4px #0000004d}[data-theme=light] .segmented-btn.active{background:#fff;color:#0f172a;box-shadow:0 1px 3px #0f172a1a,0 1px 2px #0f172a0f}.scientific-hero-frame{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-card);border-radius:var(--radius-xl);padding:2rem;box-shadow:var(--shadow-hero);position:relative;overflow:hidden;max-width:660px;margin:0 auto;width:100%;box-sizing:border-box}@media(max-width:640px){.scientific-hero-frame{padding:1.15rem .85rem;border-radius:var(--radius-lg)}}[data-theme=light] .scientific-hero-frame{background:#fff;border:1px solid rgba(15,23,42,.08);box-shadow:0 20px 45px -10px #0f172a14,0 1px 3px #0f172a08}.calc-display-hero{background:#090e1ad9;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);padding:1.25rem 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.calc-input-line{color:#475569}.calc-result-line{font-family:var(--font-mono);font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;color:#fff;text-align:right;letter-spacing:-.025em;line-height:1.1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}[data-theme=light] .calc-result-line{color:#0f172a}.scientific-keypad-5col{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.55rem;width:100%;box-sizing:border-box}@media(max-width:640px){.scientific-keypad-5col{gap:.35rem}}@media(max-width:380px){.scientific-keypad-5col{gap:.25rem}}.key-btn{height:56px;min-height:56px;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:1.05rem;font-weight:600;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-user-select:none;user-select:none;transition:transform .08s ease,background .15s ease,box-shadow .15s ease,border-color .15s ease;border:1px solid transparent;outline:none;width:100%;box-sizing:border-box;padding:0 4px}@media(max-width:640px){.key-btn{height:48px;min-height:48px;font-size:.95rem;border-radius:10px}}@media(max-width:380px){.key-btn{height:44px;min-height:44px;font-size:.88rem;border-radius:8px;padding:0 2px}}.key-btn:active{transform:scale(.95)}.key-digit{background:#ffffff0f;color:var(--text-primary);border-color:#ffffff0f;font-size:1.25rem}.key-digit:hover{background:#ffffff1c;border-color:#ffffff26}[data-theme=light] .key-digit{background:#f1f5f9;color:#0f172a;border-color:#0f172a0f}[data-theme=light] .key-digit:hover{background:#e2e8f0;border-color:#0f172a1f}.key-op{background:#6366f11f;color:var(--accent-cyan);border-color:#6366f133;font-size:1.3rem;font-weight:700}.key-op:hover{background:#6366f138;border-color:var(--accent-primary);color:#fff}[data-theme=light] .key-op{background:#6366f117;color:#4f46e5;border-color:#6366f133}[data-theme=light] .key-op:hover{background:#6366f12e;border-color:#4f46e5;color:#3730a3}.key-fn{background:#ffffff09;color:var(--text-secondary);border-color:#ffffff0d;font-size:.95rem}.key-fn:hover{background:#ffffff14;color:var(--text-primary)}[data-theme=light] .key-fn{background:#f8fafc;color:#475569;border-color:#0f172a0d}[data-theme=light] .key-fn:hover{background:#f1f5f9;color:#0f172a}.key-clear{background:#f43f5e1f;color:var(--accent-rose);border-color:#f43f5e40;font-weight:700}.key-clear:hover{background:#f43f5e38;color:#fff}[data-theme=light] .key-clear{background:#f43f5e17;color:#e11d48;border-color:#f43f5e33}[data-theme=light] .key-clear:hover{background:#f43f5e2e;color:#be123c}.key-equal-hero{background:var(--accent-gradient);color:#fff;font-size:1.6rem;font-weight:800;box-shadow:0 4px 18px #6366f173;border:none}.key-equal-hero:hover{box-shadow:0 6px 24px #6366f1a6;filter:brightness(1.1)}[data-theme=light] .key-equal-hero{background:linear-gradient(135deg,#2563eb,#6366f1,#9333ea);box-shadow:0 4px 18px #6366f159}[data-theme=light] .key-equal-hero:hover{box-shadow:0 8px 26px #6366f180;filter:brightness(1.05)}.modular-content-stack{display:flex;flex-direction:column;gap:1.75rem}.modular-card{background:var(--bg-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-card);border-radius:var(--radius-xl);padding:1.75rem 2rem;box-shadow:var(--shadow-card)}[data-theme=light] .modular-card{background:#fff;border:1px solid rgba(15,23,42,.075);box-shadow:0 1px 3px #0f172a08,0 8px 24px -4px #0f172a0d}@media(max-width:640px){.modular-card{padding:1.25rem;border-radius:var(--radius-lg)}}.modular-card-header{display:flex;align-items:center;gap:.65rem;margin-bottom:1rem}.modular-card-title{font-size:1.25rem;font-weight:800;color:var(--text-primary);margin:0;letter-spacing:-.015em}.math-formula-box{background:var(--bg-input);border:1px solid 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.result-hero-number{color:var(--color-text)}.result-hero-suffix{font-size:1.1rem;font-weight:600;color:var(--color-text-muted)}.result-hero-subtitle{margin:0;font-size:.88rem;color:var(--color-text-secondary);line-height:1.5}.result-hero-children{width:100%}.result-metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.75rem;padding-top:.75rem;border-top:1px solid var(--color-border-subtle)}.result-metric-tile{background:var(--color-surface-raised);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);padding:.85rem 1rem;display:flex;flex-direction:column;gap:.25rem}[data-theme=light] .result-metric-tile{background:var(--color-surface-raised);border-color:var(--color-border-subtle)}.result-metric-tile.highlight{border-color:var(--color-primary);background:var(--color-primary-subtle)}.metric-tile-label{font-size:.74rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em}.metric-tile-value{font-family:var(--font-mono);font-size:1.15rem;font-weight:700;color:var(--color-text)}.metric-tile-subtext{font-size:.72rem;color:var(--color-success)}.input-slider-block{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.25rem 1.4rem;display:flex;flex-direction:column;gap:.85rem;transition:border-color .15s ease}.input-slider-block:focus-within{border-color:var(--color-primary)}[data-theme=light] 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0}.timeline-header,.timeline-footer{display:flex;justify-content:space-between;font-size:.78rem;color:var(--text-secondary)}.timeline-countdown-badge{font-weight:700;color:var(--accent-cyan)}.timeline-bar-bg{width:100%;height:8px;border-radius:var(--radius-full);background:#ffffff14;overflow:hidden}.timeline-bar-fill{height:100%;border-radius:var(--radius-full);background:var(--accent-gradient)}.segmented-tabs-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px}.segmented-tabs-rail{display:inline-flex;background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:3px;gap:3px;min-width:100%}[data-theme=light] .segmented-tabs-rail{background:var(--color-surface-raised);border-color:var(--color-border)}.segmented-tab-btn{flex:1;position:relative;background:transparent;border:none;padding:.45rem 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print{body{background:#fff!important;color:#000!important}.nav-bar-floating,.print-hide,.calculator-breadcrumb-bar,.ad-container,.native-sponsor-card,.site-footer,.stepper-btn,.interactive-slider,.input-slider-presets{display:none!important}.calculator-app-shell{max-width:100%!important;padding:0!important}.result-hero-card{border:1px solid #e2e8f0!important;box-shadow:none!important;background:#fff!important;color:#000!important}.result-hero-number{color:#0f172a!important}}.cookie-consent-banner{position:fixed;bottom:1.5rem;right:1.5rem;z-index:9998;max-width:580px;width:calc(100% - 3rem);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:0 20px 48px -12px #00000080,0 0 0 1px #ffffff0d;backdrop-filter:blur(28px);-webkit-backdrop-filter:blur(28px)}[data-theme=light] .cookie-consent-banner{background:#fffffff5;border:1px solid rgba(15,23,42,.08);box-shadow:0 20px 48px -12px #0f172a26,0 0 0 1px #4f46e51a}.cookie-banner-inner{display:flex;flex-direction:column;gap:1rem;padding:1.25rem 1.35rem}.cookie-banner-actions{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:flex-end;align-items:center}.cookie-action-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-md);font-weight:600;transition:all .18s ease}.cookie-modal-card{width:92%;max-width:540px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px;box-shadow:0 24px 60px -12px #0009;overflow:hidden;display:flex;flex-direction:column}[data-theme=light] .cookie-modal-card{background:#fff;border:1px solid rgba(15,23,42,.08);box-shadow:0 24px 60px -12px #0f172a29}.cookie-modal-header{padding:1.5rem 1.5rem 1.15rem;border-bottom:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.cookie-modal-body{padding:1.25rem 1.5rem;display:flex;flex-direction:column;gap:1rem;max-height:60vh;overflow-y:auto}.cookie-category-item{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.95rem 1.1rem;border-radius:14px;background:var(--bg-chip);border:1px solid var(--border-subtle)}.cookie-cat-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.cookie-badge-locked{font-size:.72rem;font-weight:600;color:var(--accent-primary);background:#6366f11f;padding:.15rem .5rem;border-radius:9999px;display:inline-flex;align-items:center}.cookie-switch{position:relative;display:inline-block;width:44px;height:24px;flex-shrink:0}.cookie-switch input{opacity:0;width:0;height:0}.cookie-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ffffff26;transition:.22s cubic-bezier(.4,0,.2,1);border-radius:24px;border:1px solid var(--border-subtle)}[data-theme=light] .cookie-slider{background-color:#cbd5e1}.cookie-slider:before{position:absolute;content:"";height:18px;width:18px;left:2px;bottom:2px;background-color:#fff;transition:.22s cubic-bezier(.4,0,.2,1);border-radius:50%;box-shadow:0 1px 3px #00000040}.cookie-switch input:checked+.cookie-slider{background:var(--accent-primary);border-color:var(--accent-primary)}.cookie-switch input:checked+.cookie-slider:before{transform:translate(20px)}.cookie-modal-footer{padding:1.15rem 1.5rem;border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center;gap:.75rem;background:var(--bg-surface)}@media(max-width:640px){.cookie-consent-banner{bottom:1rem;right:1rem;left:1rem;width:auto}.cookie-modal-footer{flex-direction:column-reverse}.cookie-modal-footer>div{width:100%}.cookie-modal-footer button{width:100%}}.adslot-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;margin:2.25rem 0;border-radius:var(--radius-lg);background:#ffffff05;border:1px solid var(--border-subtle);box-sizing:border-box;overflow:hidden;transition:all .2s ease;position:relative}[data-theme=light] .adslot-container{background:#f8fafc;border:1px solid rgba(15,23,42,.06)}.adslot-label-bar{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.35rem .85rem;background:#00000026;border-bottom:1px solid var(--border-subtle);box-sizing:border-box}[data-theme=light] .adslot-label-bar{background:#0f172a08;border-bottom:1px solid rgba(15,23,42,.05)}.adslot-label{font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}.adslot-leaderboard{min-height:105px;max-width:728px;margin-left:auto;margin-right:auto}.adslot-rectangle{min-height:265px;max-width:336px;margin-left:auto;margin-right:auto}.adslot-infeed{min-height:135px;max-width:100%}.adslot-fallback-content{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;padding:1.25rem 1.5rem;width:100%;box-sizing:border-box}@media(max-width:640px){.adslot-leaderboard{min-height:110px}.adslot-fallback-content{flex-direction:column;text-align:center;gap:.75rem}}.command-palette-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#05080fb8;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:9999}[data-theme=light] .command-palette-backdrop{background:#0f172a73}.admin-executive-header{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.admin-mini-tool-card{transition:all .2s cubic-bezier(.16,1,.3,1)}.admin-mini-tool-card:hover{border-color:var(--accent-primary)!important;transform:translateY(-2px);box-shadow:0 8px 24px -6px #6366f12e}.spin-anim{animation:adminSpin .75s linear infinite}@keyframes adminSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.mobile-only-btn{display:inline-flex!important}.desktop-search-only{display:none!important}}