:root{--brand-orange: #ea580c;--brand-orange-hover: #c2410c;--brand-orange-subtle: #fff7ed;--bg-app: #f8fafc;--bg-sidebar: #ffffff;--bg-surface: #ffffff;--bg-surface-elevated: #f1f5f9;--bg-surface-hover: #f8fafc;--bg-input: #ffffff;--border-subtle: #e2e8f0;--border-medium: #cbd5e1;--border-focus: #0f172a;--border-orange: #ea580c;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #64748b;--text-quaternary: #94a3b8;--text-inverse: #ffffff;--accent-pdf: #c2410c;--accent-photo: #0284c7;--accent-privacy: #059669;--accent-calc: #4f46e5;--accent-emerald: #059669;--accent-cyan: #0284c7;--accent-amber: #d97706;--accent-red: #b91c1c;--accent-emerald-subtle: rgba(5, 150, 105, .1);--accent-amber-subtle: rgba(217, 119, 6, .1);--accent-red-subtle: rgba(185, 28, 28, .08);--accent-cyan-subtle: rgba(2, 132, 199, .1);--btn-primary-bg: #0f172a;--btn-primary-text: #ffffff;--btn-primary-hover: #1e293b;--btn-secondary-bg: #ffffff;--btn-secondary-border: #e2e8f0;--btn-secondary-text: #0f172a;--btn-secondary-hover: #f1f5f9;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display: var(--font-sans);--font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;--radius-xs: 4px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 12px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -2px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .06), 0 4px 6px -4px rgba(0, 0, 0, .03);--ease-fast: .12s ease-out;--ease-normal: .2s ease-out;--header-height: 58px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;background-color:var(--bg-app);color:var(--text-primary)}body{min-height:100vh;line-height:1.5;font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-primary);overflow-x:hidden}::selection{background-color:#0f172a;color:#fff}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit;color:inherit;border:none;outline:none;background:none}button{cursor:pointer}a{color:inherit;text-decoration:none}ul,ol{list-style:none}body{background-color:var(--bg-app);color:var(--text-primary);font-family:var(--font-sans);letter-spacing:-.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.page-fade-in{width:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:var(--radius-xs)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.app-container{max-width:1060px;margin-inline:auto;padding-inline:1.5rem;width:100%}.app-card{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:border-color var(--ease-fast),box-shadow var(--ease-fast);position:relative}.app-card:hover{border-color:var(--border-medium)}.app-card-elevated{background:var(--bg-surface-elevated);border:1px solid var(--border-medium);border-radius:var(--radius-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;font-family:var(--font-sans);font-size:.8125rem;font-weight:500;line-height:1;padding:.5rem .9rem;border-radius:var(--radius-sm);transition:background var(--ease-fast),border-color var(--ease-fast),box-shadow var(--ease-fast);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.btn-primary{background:var(--btn-primary-bg);color:#fff;border:1px solid transparent;font-weight:500;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--btn-primary-hover);box-shadow:0 2px 5px #0000001a}.btn-secondary{background:#fff;border:1px solid var(--border-subtle);color:var(--text-primary);box-shadow:0 1px 2px #00000008}.btn-secondary:hover{background:var(--bg-surface-elevated);border-color:var(--border-medium)}.btn-ghost{color:var(--text-secondary);background:transparent;border:1px solid transparent}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-surface-elevated)}.app-input{width:100%;padding:.55rem .8rem;background:#fff;border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;font-family:var(--font-sans);transition:border-color var(--ease-fast),box-shadow var(--ease-fast)}.app-input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 1px var(--border-focus)}.app-input::placeholder{color:var(--text-tertiary)}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;background:var(--border-medium);border-radius:var(--radius-xs);outline:none;cursor:pointer;margin:.4rem 0}input[type=range]:hover{background:var(--text-quaternary)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--text-primary);border:2px solid #ffffff;box-shadow:0 1px 3px #00000040;cursor:pointer;transition:background var(--ease-fast)}input[type=range]:active::-webkit-slider-thumb{background:var(--brand-orange)}input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--text-primary);border:2px solid #ffffff;box-shadow:0 1px 3px #00000040;cursor:pointer}.mono-box{font-family:var(--font-mono);font-size:.8125rem;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.65rem .85rem;color:var(--text-primary);font-variant-numeric:tabular-nums;overflow-x:auto}.status-indicator{display:inline-flex;align-items:center;gap:.45rem;font-size:.75rem;color:var(--text-secondary);font-weight:500}.status-dot-emerald{width:6px;height:6px;border-radius:50%;background-color:var(--accent-emerald);box-shadow:0 0 8px var(--accent-emerald)}.status-dot-orange{width:6px;height:6px;border-radius:50%;background-color:var(--brand-orange);box-shadow:0 0 8px var(--brand-orange)}.section-kicker{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary)}.segmented-control{display:inline-flex;align-items:center;padding:3px;background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);gap:2px}.segmented-control-btn{padding:.35rem .75rem;border-radius:var(--radius-xs);font-size:.8125rem;font-weight:500;color:var(--text-secondary);transition:all var(--ease-fast);cursor:pointer;background:transparent;border:none}.segmented-control-btn:hover{color:var(--text-primary)}.segmented-control-btn.active{background:var(--brand-orange);color:#fff;font-weight:600;box-shadow:0 1px 4px #ff651a4d}.brand-logo-link{display:inline-flex;align-items:center;gap:.75rem;text-decoration:none;-webkit-user-select:none;user-select:none;transition:opacity var(--ease-fast)}.brand-logo-link:hover{opacity:.9}.brand-logo-img{height:38px;width:38px;border-radius:9px;display:block;box-shadow:0 2px 8px #00000026,0 0 0 1px #00000014;object-fit:cover}.brand-logo-text{font-family:var(--font-display);font-size:1.45rem;font-weight:800;letter-spacing:-.035em;color:var(--text-primary);line-height:1;display:inline-flex;align-items:center}.google-play-badge-link{display:inline-flex;align-items:center;text-decoration:none;transition:opacity var(--ease-fast);-webkit-user-select:none;user-select:none}.google-play-badge-link:hover{opacity:.9}.google-play-badge-img{height:38px;width:auto;display:block;border-radius:var(--radius-xs)}.bmc-badge-link{display:inline-flex;align-items:center;text-decoration:none;transition:opacity var(--ease-fast);-webkit-user-select:none;user-select:none}.bmc-badge-link:hover{opacity:.9}.bmc-badge-img{height:38px;width:auto;display:block;border-radius:var(--radius-xs)}.unit-converter-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:.75rem;align-items:center}@media(max-width:640px){.app-container{padding-inline:1rem}main{padding-block:1.5rem 3rem!important}.app-input{font-size:16px;min-height:40px}.btn{min-height:38px;padding:.45rem .85rem}.segmented-control{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.segmented-control::-webkit-scrollbar{display:none}.segmented-control-btn{white-space:nowrap;padding:.4rem .75rem}}@media(max-width:580px){.unit-converter-grid{grid-template-columns:1fr;gap:.5rem}.unit-converter-swap{margin-top:0!important;margin-inline:auto;transform:rotate(90deg)}}@media(max-width:480px){.brand-logo-img{height:32px;width:32px}.brand-logo-text{font-size:1.25rem}.google-play-badge-img,.bmc-badge-img{height:28px}h1{font-size:1.65rem!important}h2{font-size:1.15rem!important}}@media(max-width:400px){.google-play-badge-img,.bmc-badge-img{height:24px}}@supports (padding: max(0px)){body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}}.tool-card{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:1.15rem 1.25rem;display:flex;flex-direction:column;justify-content:space-between;gap:.85rem;cursor:pointer;transition:border-color var(--ease-fast),box-shadow var(--ease-fast);box-shadow:var(--shadow-sm);position:relative}.tool-card:hover{border-color:var(--border-medium);box-shadow:0 2px 8px #0000000a}.tool-card:hover .card-arrow-icon{color:var(--text-primary)}.card-arrow-icon{color:var(--text-quaternary);transition:color var(--ease-fast)}.card-icon-container{width:38px;height:38px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background-color var(--ease-fast)}