@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swap";:root{font-family:var(--body-font,"Inter", system-ui, -apple-system, sans-serif);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--page-bg,#f5f6fa);color:var(--text-primary,#1a1d27);margin:0}#root{width:100%;min-height:100svh;display:flex}:root{--sidebar-bg:#0f1117;--sidebar-surface:#13161e;--sidebar-border:#1e2130;--sidebar-width:230px;--page-bg:#f5f6fa;--content-bg:#fff;--card-bg:#fff;--text-primary:#1a1d27;--text-secondary:#64748b;--text-muted:#94a3b8;--text-on-dark-primary:#e8eaf0;--text-on-dark-secondary:#8b90a0;--text-on-dark-muted:#4b5168;--accent:#6366f1;--accent-hover:#4f46e5;--accent-glow:#6366f138;--accent-subtle:#6366f114;--accent-border:#6366f133;--success:#10b981;--danger:#f43f5e;--border:#e5e7f0;--border-dark:#1e2130;--input-bg:#f8f9fc;--input-border:#dde1ee;--hover-bg:#f1f3f9;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow:0 4px 16px #00000012, 0 1px 4px #0000000a;--shadow-lg:0 12px 32px #0000001a, 0 4px 12px #0000000f;--shadow-accent:0 4px 20px #6366f159;--nav-active-text:#818cf8;--logo-a:#6366f1;--logo-b:#818cf8;--body-font:"Inter", system-ui, -apple-system, sans-serif}body.theme-ember{--accent:#d97706;--accent-hover:#b45309;--accent-glow:#d9770638;--accent-subtle:#d9770617;--accent-border:#d9770638;--shadow-accent:0 4px 20px #d9770661;--sidebar-bg:#1c1208;--sidebar-surface:#231609;--sidebar-border:#372210;--nav-active-text:#fbb949;--logo-a:#d97706;--logo-b:#fbb949;--body-font:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--page-bg:#f9e8c8;--content-bg:#fef5e4;--hover-bg:#f5dca8;--border:#e5c882;--input-bg:#fdf1d8;--input-border:#dbb86a}body.theme-cognac{--accent:#c2410c;--accent-hover:#9a3412;--accent-glow:#c2410c38;--accent-subtle:#c2410c17;--accent-border:#c2410c38;--shadow-accent:0 4px 20px #c2410c61;--sidebar-bg:#160a06;--sidebar-surface:#1d0e08;--sidebar-border:#321508;--nav-active-text:#f97316;--logo-a:#c2410c;--logo-b:#f97316;--body-font:"Manrope", system-ui, -apple-system, sans-serif;--page-bg:#f9e4da;--content-bg:#fef2ec;--hover-bg:#f5d0bc;--border:#e8b89c;--input-bg:#fdf0e8;--input-border:#dfa882}body.theme-forest{--accent:#059669;--accent-hover:#047857;--accent-glow:#05966938;--accent-subtle:#05966917;--accent-border:#05966938;--shadow-accent:0 4px 20px #05966961;--sidebar-bg:#061a11;--sidebar-surface:#0a2018;--sidebar-border:#113d25;--nav-active-text:#34d399;--logo-a:#059669;--logo-b:#34d399;--body-font:"Inter", system-ui, -apple-system, sans-serif;--page-bg:#daf5eb;--content-bg:#ecfaf4;--hover-bg:#beecd8;--border:#9edad8;--input-bg:#e4f8f0;--input-border:#8ad4bc}body.theme-current{--accent:#6366f1;--accent-hover:#4f46e5;--accent-glow:#6366f138;--accent-subtle:#6366f114;--accent-border:#6366f133;--shadow-accent:0 4px 20px #6366f159;--sidebar-bg:#0f1117;--sidebar-surface:#13161e;--sidebar-border:#1e2130;--nav-active-text:#818cf8;--logo-a:#6366f1;--logo-b:#818cf8;--body-font:"Inter", system-ui, -apple-system, sans-serif;--page-bg:#e8eaff;--content-bg:#f2f3ff;--hover-bg:#dcdeff;--border:#c2c6f0;--input-bg:#f3f4ff;--input-border:#c8cce8}body.dark-mode{--page-bg:#080a0f;--content-bg:#0f1117;--card-bg:#13161e;--text-primary:#e8eaf0;--text-secondary:#8b90a0;--text-muted:#4b5168;--border:#1e2130;--input-bg:#13161e;--input-border:#252a3a;--hover-bg:#1a1d2a;--shadow-sm:0 1px 3px #00000040;--shadow:0 4px 16px #00000059;--shadow-lg:0 12px 32px #00000073}body.dark-mode.theme-ember{--page-bg:#0f0b07;--content-bg:#170f09;--card-bg:#1e130b;--hover-bg:#251a0e}body.dark-mode.theme-cognac{--page-bg:#0e0806;--content-bg:#150d09;--card-bg:#1c110b;--hover-bg:#221409}body.dark-mode.theme-forest{--page-bg:#070d09;--content-bg:#0d1510;--card-bg:#111d15;--hover-bg:#142118}.app-shell{width:100%;min-height:100svh;display:flex;overflow-x:hidden}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);z-index:10;flex-direction:column;flex-shrink:0;height:100svh;min-height:100svh;transition:width .25s cubic-bezier(.4,0,.2,1);display:flex;position:sticky;top:0;overflow-x:hidden}.sidebar-header{border-bottom:1px solid var(--sidebar-border);flex-shrink:0;align-items:center;gap:6px;padding:20px 14px 18px;display:flex}.app-logo{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.app-logo-icon{background:linear-gradient(135deg, var(--logo-a,var(--accent)), var(--logo-b,#818cf8));width:32px;height:32px;box-shadow:0 0 16px var(--accent-glow);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.app-logo-icon svg{color:#fff;width:18px;height:18px}.app-logo-text{min-width:0;overflow:hidden}.app-title{color:var(--text-on-dark-primary);letter-spacing:-.01em;white-space:nowrap;font-size:.875rem;font-weight:600;line-height:1.2}.app-subtitle{color:var(--text-on-dark-muted);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;margin-top:1px;font-size:.675rem}.sidebar-ctrl-icon{justify-content:center;align-items:center;width:18px;height:18px;display:flex}.sidebar-collapse-btn,.sidebar-close-btn{border:1px solid var(--sidebar-border);cursor:pointer;width:28px;height:28px;color:var(--text-on-dark-muted);background:0 0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s,color .15s,border-color .15s;display:flex}.sidebar-collapse-btn:hover,.sidebar-close-btn:hover{color:var(--text-on-dark-primary);background:#ffffff12;border-color:#ffffff26}.sidebar-close-btn{display:none}.sidebar-nav{flex-direction:column;flex-shrink:0;gap:2px;padding:8px 8px 4px;display:flex}.nav-section-label{letter-spacing:.09em;text-transform:uppercase;color:var(--text-on-dark-muted);white-space:nowrap;margin-top:4px;padding:8px 8px 3px;font-size:.6rem;font-weight:700;overflow:hidden}.tool-btn{width:100%;color:var(--text-on-dark-secondary);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:8px 10px;font-family:inherit;font-size:.8125rem;font-weight:500;transition:background .15s,color .15s,box-shadow .15s;display:flex;overflow:hidden}.tool-btn:hover{color:var(--text-on-dark-primary);background:#ffffff0d}.tool-btn.active{background:var(--accent-subtle);color:var(--nav-active-text,#818cf8);box-shadow:inset 2px 0 0 var(--accent)}.tool-btn.active .tool-btn-icon{color:var(--accent)}.tool-btn-icon{flex-shrink:0;width:16px;height:16px;transition:color .15s}.tool-btn-label{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.sidebar-settings{border-top:1px solid var(--sidebar-border);scrollbar-width:thin;scrollbar-color:var(--sidebar-border) transparent;flex-direction:column;flex:1;gap:2px;padding:4px 8px 8px;display:flex;overflow-y:auto}.settings-theme-block{padding:4px 2px 6px}.settings-item-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-on-dark-muted);padding:2px 10px 6px;font-size:.62rem;font-weight:700;display:block}.sidebar-about{border-top:1px solid var(--sidebar-border);flex-shrink:0;padding:10px 8px 14px}.about-stats-row{gap:6px;padding:6px 2px 8px;display:flex}.about-stat{border:1px solid var(--sidebar-border);background:#ffffff0a;border-radius:8px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:8px 4px;display:flex}.about-stat-num{color:var(--nav-active-text,var(--accent));font-size:1rem;font-weight:700;line-height:1}.about-stat-lbl{text-transform:uppercase;letter-spacing:.06em;color:var(--text-on-dark-muted);font-size:.58rem;font-weight:600}.about-tagline{color:var(--text-on-dark-muted);text-align:center;padding:0 4px;font-size:.7rem;line-height:1.4}.theme-toggle{width:100%;color:var(--text-on-dark-secondary);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:8px 10px;font-family:inherit;font-size:.8125rem;font-weight:500;transition:background .15s,color .15s;display:flex;overflow:hidden}.theme-toggle:hover{color:var(--text-on-dark-primary);background:#ffffff0d}.sidebar-collapsed{width:60px}.sidebar-collapsed .app-logo-text,.sidebar-collapsed .nav-section-label,.sidebar-collapsed .tool-btn-label,.sidebar-collapsed .theme-section-label,.sidebar-collapsed .theme-swatches,.sidebar-collapsed .theme-panel,.sidebar-collapsed .settings-item-label,.sidebar-collapsed .sidebar-about{display:none}.sidebar-collapsed .sidebar-header{justify-content:center;padding:16px 8px}.sidebar-collapsed .app-logo{flex:none}.sidebar-collapsed .tool-btn,.sidebar-collapsed .theme-toggle{justify-content:center;padding:10px 0}.sidebar-collapsed .tool-btn.active{box-shadow:inset 0 0 0 1.5px var(--accent)}.sidebar-backdrop{display:none}.mobile-topbar{background:var(--sidebar-bg);border-bottom:1px solid var(--sidebar-border);z-index:50;flex-shrink:0;align-items:center;gap:10px;height:56px;padding:0 14px;display:none;position:sticky;top:0}.mobile-topbar-logo{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.mobile-topbar-title{color:var(--text-on-dark-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:600;overflow:hidden}.hamburger-btn,.mobile-back-btn{cursor:pointer;width:40px;height:40px;color:var(--text-on-dark-secondary);background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s,color .15s;display:flex}.hamburger-btn:hover,.mobile-back-btn:hover{color:var(--text-on-dark-primary);background:#ffffff14}.mobile-back-btn{margin-left:auto}.content-area{background:var(--page-bg);flex-direction:column;flex:1;min-width:0;min-height:100svh;display:flex;overflow-x:hidden}.content-topbar{border-bottom:1px solid var(--border);background:var(--content-bg);flex-shrink:0;align-items:center;gap:12px;padding:20px 32px;display:flex}.topbar-tool-icon{background:var(--accent-subtle);border:1px solid var(--accent-border);width:36px;height:36px;color:var(--accent);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.topbar-tool-icon svg{width:18px;height:18px}.topbar-text h2{color:var(--text-primary);letter-spacing:-.01em;margin:0;font-size:.9375rem;font-weight:600}.topbar-text p{color:var(--text-muted);margin:1px 0 0;font-size:.75rem}.content-main{flex:1;width:100%;max-width:720px;padding:28px 32px}@keyframes toolReveal{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tool-container{animation:.22s forwards toolReveal}.form-section{flex-direction:column;gap:20px;margin-bottom:20px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-secondary);letter-spacing:.03em;text-transform:uppercase;font-size:.75rem;font-weight:600}.input-row{align-items:center;gap:8px;display:flex}.unit-label{color:var(--text-muted);white-space:nowrap;flex-shrink:0;font-size:.8125rem;font-weight:600}.tool-input{background:var(--input-bg);border:1px solid var(--input-border);min-width:0;max-width:100%;color:var(--text-primary);border-radius:8px;outline:none;flex:1;padding:10px 14px;font-family:inherit;font-size:.9375rem;font-weight:400;transition:border-color .15s,box-shadow .15s}.tool-input::placeholder{color:var(--text-muted)}.tool-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.tool-input.result-input{background:var(--hover-bg);color:var(--text-secondary);cursor:default}.tool-input.large{padding:12px 16px;font-size:1.125rem;font-weight:500}.tool-input.center{text-align:center;font-weight:600}.tool-select{background:var(--input-bg);border:1px solid var(--input-border);min-width:0;max-width:100%;color:var(--text-primary);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;background-size:14px;border-radius:8px;outline:none;flex:1;padding:10px 32px 10px 14px;font-family:inherit;font-size:.875rem;transition:border-color .15s,box-shadow .15s}.tool-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.swap-row{align-items:center;gap:12px;margin:4px 0;display:flex}.swap-line{background:var(--border);flex:1;height:1px}.swap-btn{border:1px solid var(--border);background:var(--content-bg);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;transition:all .18s;display:flex}.swap-btn svg{width:14px;height:14px;transition:transform .3s}.swap-btn:hover{border-color:var(--accent);background:var(--accent-subtle);color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.swap-btn:hover svg{transform:rotate(180deg)}.convert-btn{background:var(--accent);color:#fff;cursor:pointer;letter-spacing:-.01em;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;margin-top:8px;padding:12px 24px;font-family:inherit;font-size:.9375rem;font-weight:600;transition:background .15s,transform .15s,box-shadow .15s;display:flex}.convert-btn:hover:not(:disabled){background:var(--accent-hover);box-shadow:var(--shadow-accent);transform:translateY(-1px)}.convert-btn:active:not(:disabled){transform:translateY(0)}.convert-btn:disabled{opacity:.55;cursor:not-allowed}@keyframes resultReveal{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.result-card{background:linear-gradient(135deg, var(--accent-subtle), transparent 70%);border:1px solid var(--accent-border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:12px;margin-top:24px;padding:24px;animation:.25s forwards resultReveal}.result-equation{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;font-size:1.125rem;font-weight:500;display:flex}.result-from{color:var(--text-secondary)}.result-arrow{color:var(--text-muted);align-items:center;display:flex}.result-arrow svg{width:16px;height:16px}.result-to{color:var(--accent);font-size:1.25rem;font-weight:700}.result-meta{text-align:center;border-top:1px solid var(--accent-border);color:var(--text-muted);letter-spacing:.02em;margin-top:12px;padding-top:12px;font-size:.75rem}.section-card{background:var(--content-bg);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:12px;padding:24px}.tip-presets{flex-wrap:wrap;gap:6px;display:flex}.preset-btn{border:1px solid var(--input-border);background:var(--input-bg);color:var(--text-secondary);cursor:pointer;border-radius:6px;padding:7px 14px;font-family:inherit;font-size:.8125rem;font-weight:500;transition:all .15s}.preset-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-subtle)}.preset-btn.active{border-color:var(--accent);background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}.stepper{align-items:center;gap:8px;display:flex}.stepper-btn{border:1px solid var(--input-border);background:var(--input-bg);width:36px;height:36px;color:var(--text-primary);cursor:pointer;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-family:inherit;font-size:1.1rem;font-weight:600;transition:all .15s;display:flex}.stepper-btn:hover{border-color:var(--accent);background:var(--accent-subtle);color:var(--accent)}.stepper-input{text-align:center;width:64px}.results-grid{border:1px solid var(--border);border-radius:12px;flex-direction:column;margin-top:24px;animation:.25s forwards resultReveal;display:flex;overflow:hidden}.result-row{border-bottom:1px solid var(--border);background:var(--content-bg);justify-content:space-between;align-items:center;padding:14px 20px;transition:background .12s;display:flex}.result-row:last-child{border-bottom:none}.result-row.highlighted{background:linear-gradient(135deg, var(--accent-subtle), transparent 70%)}.result-label{color:var(--text-secondary);font-size:.8125rem;font-weight:500}.result-amount{color:var(--text-primary);font-size:1rem;font-weight:600}.result-row.highlighted .result-label,.result-row.highlighted .result-amount{color:var(--accent);font-size:1.0625rem}.result-note{text-align:center;color:var(--text-muted);background:var(--content-bg);border-top:1px solid var(--border);padding:10px 20px;font-size:.75rem}.currency-pair{grid-template-columns:1fr auto 1fr;align-items:end;gap:12px;display:grid}.currency-col{flex-direction:column;gap:6px;display:flex}.error-boundary{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:48px 24px;display:flex}.error-icon{width:48px;height:48px;color:var(--danger);background:#f43f5e1a;border-radius:50%;justify-content:center;align-items:center;font-size:1.5rem;display:flex}.error-boundary h2{color:var(--text-primary);margin:0;font-size:1rem;font-weight:600}.error-boundary p{color:var(--text-secondary);font-size:.875rem}.error-retry-btn{background:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:8px;padding:9px 20px;font-family:inherit;font-size:.875rem;font-weight:600;transition:opacity .15s,transform .15s}.error-retry-btn:hover{opacity:.88;transform:translateY(-1px)}.content-footer{border-top:1px solid var(--border);color:var(--text-muted);letter-spacing:.03em;flex-shrink:0;padding:16px 32px;font-size:.75rem}.footer-content{text-align:center;flex-direction:column;align-items:center;gap:8px;width:100%;display:flex}.footer-link{color:var(--accent);font-weight:500;text-decoration:none}.footer-link:hover{text-decoration:underline}.footer-links{gap:12px;display:flex}@media (width>=768px){.footer-content{text-align:left;flex-direction:row;justify-content:space-between}}.inner-page-columns{flex-direction:column;gap:28px;display:flex}@media (width>=1024px){.inner-page-columns{grid-template-columns:1fr 1fr;align-items:start;display:grid}.inner-column-stack{flex-direction:column;gap:28px;display:flex}}.topbar-back-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;flex-shrink:0;align-items:center;gap:6px;margin-left:auto;padding:7px 14px;font-family:inherit;font-size:.8125rem;font-weight:500;transition:all .15s;display:flex}.topbar-back-btn svg{width:14px;height:14px}.topbar-back-btn:hover{background:var(--hover-bg);color:var(--text-primary);border-color:var(--text-muted)}.home-page{flex-direction:column;flex:1;animation:.22s forwards toolReveal;display:flex}.home-hero{border-bottom:1px solid var(--border);background:linear-gradient(160deg, var(--accent-subtle) 0%, var(--page-bg) 100%);text-align:center;flex-direction:column;align-items:center;gap:14px;padding:52px 40px 40px;display:flex}.home-hero-badge{background:var(--accent-subtle);border:1px solid var(--accent-border);color:var(--accent);letter-spacing:.06em;text-transform:uppercase;border-radius:999px;align-items:center;padding:4px 12px;font-size:.6875rem;font-weight:600;display:inline-flex}.home-title{color:var(--text-primary);letter-spacing:-.03em;max-width:560px;margin:0;font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;line-height:1.15}.home-subtitle{color:var(--text-secondary);max-width:480px;margin:0;font-size:.9375rem}.search-wrapper{width:100%;max-width:560px;margin-top:8px;position:relative}.search-icon{width:18px;height:18px;color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.search-input{background:var(--input-bg);border:1px solid var(--input-border);width:100%;color:var(--text-primary);box-shadow:var(--shadow-sm);border-radius:10px;outline:none;padding:13px 44px 13px 42px;font-family:inherit;font-size:.9375rem;transition:border-color .15s,box-shadow .15s}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.search-clear{background:var(--hover-bg);cursor:pointer;width:28px;height:28px;color:var(--text-secondary);border:none;border-radius:6px;justify-content:center;align-items:center;transition:background .12s,color .12s;display:flex;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.search-clear svg{width:13px;height:13px}.search-clear:hover{background:var(--border);color:var(--text-primary)}.home-content{background:var(--page-bg);flex-direction:column;flex:1;gap:36px;padding:32px 40px 40px;display:flex}.tools-section-header{align-items:center;gap:8px;margin-bottom:14px;display:flex}.tools-section-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:.6875rem;font-weight:700}.tools-section-count{color:var(--accent);background:var(--accent-subtle);border:1px solid var(--accent-border);border-radius:999px;padding:1px 7px;font-size:.6875rem;font-weight:600}.tools-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;display:grid}.tool-card{background:var(--content-bg);border:1px solid var(--border);cursor:pointer;text-align:left;border-radius:12px;align-items:center;gap:14px;padding:16px;font-family:inherit;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex;position:relative;overflow:hidden}.tool-card:before{content:"";background:linear-gradient(135deg, var(--accent-subtle), transparent 70%);opacity:0;transition:opacity .2s;position:absolute;inset:0}.tool-card:hover{border-color:var(--accent-border);box-shadow:0 4px 16px var(--accent-glow);transform:translateY(-2px)}.tool-card:hover:before{opacity:1}.tool-card:hover .tool-card-icon{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 12px var(--accent-glow)}.tool-card:hover .tool-card-arrow{color:var(--accent);transform:translate(2px)}.tool-card-icon{background:var(--accent-subtle);border:1px solid var(--accent-border);width:38px;min-width:38px;height:38px;color:var(--accent);border-radius:9px;justify-content:center;align-items:center;padding:8px;transition:background .15s,color .15s,box-shadow .15s;display:flex}.tool-card-body{flex:1;min-width:0}.tool-card-name{color:var(--text-primary);letter-spacing:-.01em;white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:600;overflow:hidden}.tool-card-desc{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:.75rem;overflow:hidden}.tool-card-arrow{width:16px;height:16px;color:var(--text-muted);flex-shrink:0;transition:color .15s,transform .15s}.search-empty{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:48px 24px;display:flex}.search-empty-icon{width:44px;height:44px;color:var(--text-muted);opacity:.5}.search-empty-title{color:var(--text-primary);margin:0;font-size:.9375rem;font-weight:600}.search-empty-hint{color:var(--text-muted);margin:0;font-size:.8125rem}.theme-panel{border-top:1px solid var(--sidebar-border);margin-bottom:4px;padding:8px 2px 0}.theme-section-label{letter-spacing:.1em;text-transform:uppercase;color:var(--text-on-dark-muted);padding:6px 4px;font-size:.6rem;font-weight:700;display:block}.theme-swatches{grid-template-columns:repeat(4,1fr);gap:4px;padding-bottom:6px;display:grid}.theme-swatch-btn{cursor:pointer;background:0 0;border:none;border-radius:6px;flex-direction:column;align-items:center;gap:4px;padding:4px 2px;transition:background .15s;display:flex}.theme-swatch-btn:hover{background:#ffffff0f}.theme-swatch-dot{border:2px solid #0000;border-radius:50%;width:22px;height:22px;transition:transform .15s,border-color .15s}.theme-swatch-btn.active .theme-swatch-dot{border-color:#ffffff80;transform:scale(1.15)}.theme-swatch-name{letter-spacing:.03em;color:var(--text-on-dark-muted);text-transform:uppercase;white-space:nowrap;font-size:.55rem;font-weight:600;transition:color .15s}.theme-swatch-btn.active .theme-swatch-name{color:var(--text-on-dark-secondary)}.qr-presets{flex-wrap:wrap;gap:6px;display:flex}.qr-textarea{resize:vertical;min-height:72px;font-family:inherit;line-height:1.5}.qr-options{flex-wrap:wrap;gap:12px;margin-top:4px;margin-bottom:8px;display:flex}.qr-size-btns{gap:6px;display:flex}.color-input-wrap{align-items:center;gap:6px;display:flex}.color-swatch-input{border:1px solid var(--input-border);cursor:pointer;background:var(--input-bg);border-radius:6px;width:34px;height:34px;padding:2px}.color-hex-input{width:90px;font-family:monospace;font-size:.875rem}.qr-preview-wrap{justify-content:center;padding:16px 0;display:flex}.qr-empty{color:var(--text-muted);text-align:center;flex-direction:column;align-items:center;gap:10px;padding:28px 24px;display:flex}.qr-empty svg{opacity:.35;width:48px;height:48px}.qr-empty p{color:var(--text-muted);margin:0;font-size:.8125rem}.qr-actions{align-items:stretch;gap:8px;margin-top:4px;display:flex}.color-swatch-big{border:1px solid var(--border);cursor:crosshair;width:100%;height:88px;box-shadow:var(--shadow);border-radius:10px;margin-bottom:20px;transition:box-shadow .2s;position:relative;overflow:hidden}.color-native-picker{opacity:0;cursor:crosshair;width:100%;height:100%;position:absolute;inset:0}.color-row-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.copy-btn{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;letter-spacing:.02em;background:0 0;border-radius:5px;padding:2px 8px;font-family:inherit;font-size:.7rem;font-weight:600;transition:all .15s}.copy-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-subtle)}.mode-tabs{flex-wrap:wrap;gap:6px;display:flex}.mode-tab-btn{border:1px solid var(--input-border);background:var(--input-bg);color:var(--text-secondary);cursor:pointer;border-radius:6px;padding:7px 14px;font-family:inherit;font-size:.8125rem;font-weight:500;transition:all .15s}.mode-tab-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-subtle)}.mode-tab-btn.active{border-color:var(--accent);background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}.bmi-bar-wrap{margin:4px 0 16px}.bmi-bar-track{background:var(--border);border-radius:8px;height:8px;display:flex;overflow:hidden}.bmi-seg{height:100%}.bmi-indicator-row{height:14px;position:relative}.bmi-indicator{border-bottom:8px solid;border-left:5px solid #0000;border-right:5px solid #0000;width:0;height:0;position:absolute;top:2px;transform:translate(-50%)}.bmi-bar-labels{color:var(--text-muted);letter-spacing:.01em;justify-content:space-between;margin-top:2px;font-size:.6rem;display:flex}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (width<=768px){.mobile-topbar{display:flex}.sidebar,.sidebar.sidebar-collapsed{z-index:100;top:0;left:0;overflow-y:auto;transform:translate(-100%);width:var(--sidebar-width)!important;height:100svh!important;min-height:100svh!important;transition:transform .3s cubic-bezier(.4,0,.2,1)!important;position:fixed!important}.sidebar.sidebar-open{box-shadow:var(--shadow-lg);transform:translate(0)!important}.sidebar-backdrop{z-index:99;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0000008c;animation:.2s fadeIn;display:block;position:fixed;inset:0}.sidebar-collapse-btn{display:none!important}.sidebar-close-btn{display:flex!important}.sidebar .app-logo-text,.sidebar .nav-section-label,.sidebar .tool-btn-label,.sidebar .theme-section-label,.sidebar .theme-swatches,.sidebar .theme-panel,.sidebar .theme-swatch-name,.sidebar .settings-item-label,.sidebar .sidebar-about{display:revert!important}.sidebar .tool-btn,.sidebar .theme-toggle{justify-content:flex-start!important;padding:8px 10px!important}.content-area{min-height:100svh}.content-main{padding:20px 16px}.content-topbar,.content-footer{padding:14px 16px}.section-card{padding:16px}.currency-pair{grid-template-columns:1fr}.home-hero{padding:32px 20px 28px}.home-content{gap:20px;padding:20px 16px 32px}.inner-page-hero{padding:32px 20px 28px}.inner-page-content{gap:20px;padding:20px 16px 32px}.info-stats-grid{grid-template-columns:repeat(2,1fr)}.settings-item{flex-direction:column;align-items:flex-start;gap:14px}.theme-swatches-full{gap:6px}.tools-grid{grid-template-columns:1fr 1fr;gap:8px}.tool-card{flex-direction:column;align-items:flex-start;gap:10px;padding:14px}.tool-card-arrow,.topbar-back-btn span{display:none}}.inner-page{background:var(--page-bg);flex-direction:column;flex:1;animation:.22s forwards toolReveal;display:flex}.inner-page-hero{border-bottom:1px solid var(--border);background:linear-gradient(160deg, var(--accent-subtle) 0%, var(--page-bg) 100%);text-align:center;flex-direction:column;align-items:center;gap:10px;padding:52px 40px 40px;display:flex}.inner-page-hero-icon{background:linear-gradient(135deg, var(--logo-a,var(--accent)), var(--logo-b,#818cf8));color:#fff;width:52px;height:52px;box-shadow:0 0 24px var(--accent-glow);border-radius:14px;justify-content:center;align-items:center;margin-bottom:4px;display:flex}.inner-page-hero-icon svg{width:26px;height:26px}.inner-page-hero-title{color:var(--text-primary);letter-spacing:-.03em;margin:0;font-size:clamp(1.375rem,3vw,1.875rem);font-weight:700;line-height:1.15}.inner-page-hero-subtitle{color:var(--text-secondary);margin:0;font-size:.9375rem}.inner-page-content{flex-direction:column;flex:1;gap:28px;width:100%;max-width:720px;margin:0 auto;padding:32px 40px 48px;display:flex}@media (width>=1024px){.inner-page-content{grid-template-columns:repeat(2,1fr);align-items:start;max-width:1100px;display:grid}.grid-span-2{grid-column:span 2}}.settings-section{flex-direction:column;gap:10px;display:flex}.settings-section-header{align-items:center;gap:8px;display:flex}.settings-section-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-size:.6875rem;font-weight:700}.settings-card{background:var(--content-bg);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:12px;overflow:hidden}.settings-divider{background:var(--border);height:1px;margin:0}.settings-item{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:20px 24px;display:flex}.settings-item-info{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.settings-item-icon{background:var(--accent-subtle);border:1px solid var(--accent-border);width:32px;height:32px;color:var(--accent);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.settings-item-icon svg{width:16px;height:16px}.settings-item-title{color:var(--text-primary);letter-spacing:-.01em;font-size:.9375rem;font-weight:600}.settings-item-desc{color:var(--text-muted);margin-top:2px;font-size:.8125rem}.theme-swatches-full{flex-wrap:wrap;gap:8px;padding-top:4px;display:flex}.theme-swatch-card{border:1.5px solid var(--border);background:var(--input-bg);cursor:pointer;color:var(--text-secondary);border-radius:10px;align-items:center;gap:8px;padding:9px 14px;font-family:inherit;font-size:.8125rem;font-weight:500;transition:border-color .15s,background .15s,box-shadow .15s,color .15s;display:flex;position:relative}.theme-swatch-card:hover{border-color:var(--accent-border);color:var(--text-primary);background:var(--hover-bg)}.theme-swatch-card.active{border-color:var(--accent);background:var(--accent-subtle);color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.theme-swatch-card-dot{border-radius:50%;flex-shrink:0;width:18px;height:18px}.theme-swatch-card-name{font-weight:600}.theme-swatch-card-check{width:14px;height:14px;color:var(--accent);justify-content:center;align-items:center;margin-left:2px;display:flex}.theme-swatch-card-check svg{width:12px;height:12px}.toggle-switch{background:var(--border);cursor:pointer;border:none;border-radius:999px;flex-shrink:0;width:48px;height:26px;padding:0;transition:background .2s;position:relative}.toggle-switch.on{background:var(--accent)}.toggle-thumb{background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s cubic-bezier(.4,0,.2,1);display:block;position:absolute;top:3px;left:3px;box-shadow:0 1px 4px #0000002e}.toggle-switch.on .toggle-thumb{transform:translate(22px)}.settings-note{color:var(--text-muted);text-align:center;padding:0 4px;font-size:.75rem}.info-version-badge{background:var(--accent-subtle);border:1px solid var(--accent-border);color:var(--accent);letter-spacing:.06em;text-transform:uppercase;border-radius:999px;align-items:center;margin-top:4px;padding:4px 12px;font-size:.6875rem;font-weight:600;display:inline-flex}.info-stats-section{flex-direction:column;gap:10px;display:flex}.info-stats-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.info-stat-card{background:var(--content-bg);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:20px 12px;transition:border-color .15s,box-shadow .15s;display:flex}.info-stat-card:hover{border-color:var(--accent-border);box-shadow:0 4px 16px var(--accent-glow)}.info-stat-num{color:var(--accent);letter-spacing:-.02em;font-size:1.625rem;font-weight:700;line-height:1}.info-stat-lbl{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:.6875rem;font-weight:600}.info-about-card{flex-direction:column;gap:16px;padding:24px;display:flex}.info-about-text{color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.65}.info-feature-list{flex-direction:column;gap:10px;list-style:none;display:flex}.info-feature-list li{color:var(--text-secondary);align-items:center;gap:10px;font-size:.875rem;display:flex}.info-feature-icon{background:var(--accent-subtle);width:20px;height:20px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.info-feature-icon svg{width:10px;height:10px}.info-categories-grid{flex-direction:column;gap:8px;display:flex}.info-category-card{background:var(--content-bg);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:10px;align-items:flex-start;gap:14px;padding:18px 20px;display:flex}.info-category-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px;margin-top:5px}.info-category-body{flex:1;min-width:0}.info-category-name{color:var(--text-primary);align-items:center;gap:8px;margin-bottom:4px;font-size:.9375rem;font-weight:600;display:flex}.info-category-count{color:var(--accent);background:var(--accent-subtle);border:1px solid var(--accent-border);border-radius:999px;padding:1px 7px;font-size:.6875rem;font-weight:600}.info-category-desc{color:var(--text-muted);font-size:.8125rem;line-height:1.5}.info-tech-row{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.info-tech-badge{background:var(--input-bg);border:1px solid var(--border);color:var(--text-secondary);border-radius:6px;padding:5px 12px;font-size:.8125rem;font-weight:500}.tool-guide{background:var(--content-bg);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:14px;flex-direction:column;gap:18px;margin-top:16px;padding:24px 28px;display:flex}.tool-guide-title{color:var(--text-primary);letter-spacing:-.01em;margin:0;font-size:1rem;font-weight:700}.tool-guide-about{color:var(--text-secondary);margin:0;font-size:.9rem;line-height:1.7}.tool-guide-formula{background:var(--accent-subtle);border:1px solid var(--accent-border);border-radius:10px;flex-direction:column;gap:6px;padding:14px 18px;display:flex}.tool-guide-formula-label,.tool-guide-tips-label{text-transform:uppercase;letter-spacing:.07em;color:var(--accent);font-size:.6875rem;font-weight:700}.tool-guide-formula code{color:var(--text-primary);white-space:pre-wrap;word-break:break-word;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.8375rem;line-height:1.6}.tool-guide-tips-section{flex-direction:column;gap:8px;display:flex}.tool-guide-tips{flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex}.tool-guide-tips li{color:var(--text-secondary);align-items:flex-start;gap:8px;font-size:.875rem;line-height:1.5;display:flex}.tool-guide-tips li:before{content:"→";color:var(--accent);flex-shrink:0;margin-top:1px;font-weight:700}.info-steps-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}@media (width<=600px){.info-steps-grid{grid-template-columns:1fr}}.info-step-card{background:var(--content-bg);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:12px;align-items:flex-start;gap:14px;padding:18px 20px;transition:border-color .15s,box-shadow .15s;display:flex}.info-step-card:hover{border-color:var(--accent-border);box-shadow:0 4px 16px var(--accent-glow)}.info-step-num{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.8125rem;font-weight:700;display:flex}.info-step-body{flex:1;min-width:0}.info-step-title{color:var(--text-primary);margin-bottom:4px;font-size:.9rem;font-weight:600}.info-step-desc{color:var(--text-secondary);font-size:.8125rem;line-height:1.55}.faq-list{border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:12px;flex-direction:column;gap:0;display:flex;overflow:hidden}.faq-item{border-bottom:1px solid var(--border);background:var(--content-bg)}.faq-item:last-child{border-bottom:none}.faq-item.faq-open{background:var(--accent-subtle)}.faq-question{cursor:pointer;width:100%;color:var(--text-primary);text-align:left;font-size:.9rem;font-weight:600;font-family:var(--body-font);background:0 0;border:none;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;transition:background .15s;display:flex}.faq-question:hover{background:var(--hover-bg)}.faq-item.faq-open .faq-question{color:var(--accent)}.faq-chevron{width:18px;height:18px;color:var(--text-muted);flex-shrink:0;transition:transform .2s}.faq-item.faq-open .faq-chevron{color:var(--accent);transform:rotate(180deg)}.faq-answer{padding:0 20px 16px}.faq-answer p{color:var(--text-secondary);margin:0;font-size:.875rem;line-height:1.65}.privacy-card{flex-direction:column;gap:14px;padding:24px 28px;display:flex}.privacy-para{color:var(--text-secondary);margin:0;font-size:.9rem;line-height:1.7}.privacy-para strong{color:var(--text-primary)}.privacy-para code{background:var(--input-bg);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.8125rem}.privacy-subheading{color:var(--text-primary);margin:6px 0 0;font-size:.9rem;font-weight:700}.privacy-list{flex-direction:column;gap:6px;margin:0;padding-left:20px;display:flex}.privacy-list li{color:var(--text-secondary);font-size:.875rem;line-height:1.6}.privacy-link{color:var(--accent);text-underline-offset:2px;text-decoration:underline}.privacy-link:hover{color:var(--accent-hover)}.privacy-table-wrap{-webkit-overflow-scrolling:touch;overflow-x:auto}.privacy-table{border-collapse:collapse;width:100%;color:var(--text-secondary);font-size:.8375rem}.privacy-table th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--input-bg);border-bottom:1px solid var(--border);padding:8px 12px;font-size:.75rem;font-weight:600}.privacy-table td{border-bottom:1px solid var(--border);vertical-align:top;padding:10px 12px;line-height:1.5}.privacy-table tr:last-child td{border-bottom:none}.privacy-table td code{background:var(--input-bg);border:1px solid var(--border);white-space:nowrap;border-radius:4px;padding:1px 5px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.775rem}.content-footer{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.footer-privacy-link{cursor:pointer;color:var(--accent);text-underline-offset:2px;font-size:.75rem;font-family:var(--body-font);background:0 0;border:none;padding:0;text-decoration:underline;transition:color .15s}.footer-privacy-link:hover{color:var(--accent-hover)}@media (width<=480px){.tools-grid{grid-template-columns:1fr}.section-card{padding:14px}.input-row{flex-wrap:wrap}.input-row .tool-input,.input-row .tool-select{flex:120px}.tip-custom-input{width:80px!important}.tip-presets{gap:5px}.result-equation{font-size:1rem}.result-to{font-size:1.125rem}.qr-options{flex-direction:column}.color-hex-input{width:80px}.theme-swatch-name{display:none}.bmi-bar-labels{font-size:.55rem}}@media (width<=360px){.content-main{padding:14px 10px}.section-card{padding:12px}.input-row{flex-direction:column;align-items:stretch}.input-row .tool-input,.input-row .tool-select{flex:none;width:100%}.stepper{gap:4px}.stepper-input{width:52px}}