:root{--color-bg:#f2f2f7;--color-surface:#fff;--color-surface-2:#e9e9ee;--color-border:#d8d8dd;--color-text:#1c1c1e;--color-text-2:#5c5c61;--color-text-3:#8e8e93;--color-accent:#e07c00;--color-accent-strong:#c96d00;--color-on-accent:#fff;--color-up:#1a7f45;--color-down:#c3192f;--color-fresh:#1a7f45;--color-aging:#b06c00;--color-stale:#c3192f;--key-number:#e4e4ea;--key-number-text:#1c1c1e;--key-utility:#c9c9d0;--key-utility-text:#1c1c1e;--key-operator:#f59300;--key-operator-text:#fff;--key-operator-on:#fff;--key-operator-on-text:#c96d00;--shadow-card:0 1px 2px #0000000f;--shadow-float:0 -2px 16px #0000001f;--radius-card:14px;--radius-field:11px;--gap-key:11px;--width-content:480px;--width-keypad:400px;--tap-min:44px;--display-xl:5rem;--display-lg:3.9rem;--display-md:3rem;--display-sm:2.3rem;--ease-screen:cubic-bezier(.32, .72, 0, 1);--dur-screen:.32s;--dur-tap:90ms}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg:#000;--color-surface:#1c1c1e;--color-surface-2:#2c2c2e;--color-border:#3a3a3c;--color-text:#fff;--color-text-2:#aeaeb2;--color-text-3:#8e8e93;--color-accent:#ff9f0a;--color-accent-strong:#ffb340;--color-on-accent:#1c1c1e;--color-up:#30d158;--color-down:#ff453a;--color-fresh:#30d158;--color-aging:#ffd60a;--color-stale:#ff453a;--key-number:#333;--key-number-text:#fff;--key-utility:#a5a5a5;--key-utility-text:#000;--key-operator:#ff9f0a;--key-operator-text:#fff;--key-operator-on:#fff;--key-operator-on-text:#ff9f0a;--shadow-card:none;--shadow-float:0 -2px 16px #0009}}:root[data-theme=dark]{--color-bg:#000;--color-surface:#1c1c1e;--color-surface-2:#2c2c2e;--color-border:#3a3a3c;--color-text:#fff;--color-text-2:#aeaeb2;--color-text-3:#8e8e93;--color-accent:#ff9f0a;--color-accent-strong:#ffb340;--color-on-accent:#1c1c1e;--color-up:#30d158;--color-down:#ff453a;--color-fresh:#30d158;--color-aging:#ffd60a;--color-stale:#ff453a;--key-number:#333;--key-number-text:#fff;--key-utility:#a5a5a5;--key-utility-text:#000;--key-operator:#ff9f0a;--key-operator-text:#fff;--key-operator-on:#fff;--key-operator-on-text:#ff9f0a;--shadow-card:none;--shadow-float:0 -2px 16px #0009}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--color-bg);height:100%}body{color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,Helvetica Neue,sans-serif;font-size:16px;overflow:hidden}button,input,select,output{font:inherit;color:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none}a{color:var(--color-accent)}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}main{height:100%;position:relative}.screen{background:var(--color-bg);transition:transform var(--dur-screen) var(--ease-screen);will-change:transform;flex-direction:column;display:flex;position:fixed;inset:0;overflow:hidden;transform:translate(100%)}.screen--active{transform:translate(0)}.screen[data-screen=calc]{transform:translate(-100%)}.screen[data-screen=calc].screen--active{transform:translate(0)}.scroll{-webkit-overflow-scrolling:touch;width:100%;max-width:var(--width-content);padding:12px 16px calc(28px + env(safe-area-inset-bottom,0px));flex:1;margin:0 auto;overflow-y:auto}.app-header{padding:calc(10px + env(safe-area-inset-top,0px)) 12px 10px;border-bottom:1px solid var(--color-border);background:var(--color-bg);align-items:center;gap:8px;display:flex}.app-title{text-align:center;letter-spacing:-.01em;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:1.0625rem;font-weight:600;overflow:hidden}.header-actions{min-width:var(--tap-min);justify-content:flex-end;gap:6px;display:flex}.icon-btn{width:var(--tap-min);height:var(--tap-min);color:var(--color-accent);transition:background var(--dur-tap) ease;border-radius:50%;place-items:center;display:grid}.icon-btn:hover,.icon-btn:active{background:var(--color-surface-2)}.icon-btn.is-spinning svg{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.section{margin-bottom:22px}.section:empty{margin:0;display:none}.section__head{align-items:baseline;gap:8px;margin:0 4px 10px;display:flex}.section__title{text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-2);font-size:.8125rem;font-weight:600}.section__sub{color:var(--color-text-3);font-size:.75rem}.card{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden}.notice{border-radius:var(--radius-field);background:var(--color-surface-2);color:var(--color-text-2);margin:0 2px 10px;padding:9px 12px;font-size:.8125rem;line-height:1.4}.btn-primary,.btn-secondary{min-height:var(--tap-min);white-space:nowrap;border-radius:10px;padding:10px 18px;font-size:.9375rem;font-weight:600}.btn-primary{background:var(--color-accent);color:var(--color-on-accent)}.btn-secondary{background:var(--color-surface-2);color:var(--color-text)}.offline-bar{z-index:100;padding:calc(5px + env(safe-area-inset-top,0px)) 10px 5px;background:var(--color-text-3);color:#fff;text-align:center;font-size:.75rem;font-weight:500;display:none;position:fixed;inset:0 0 auto}body.is-offline .offline-bar{display:block}body.is-offline .app-header{padding-top:calc(32px + env(safe-area-inset-top,0px))}.update-banner{z-index:99;padding:14px 16px calc(14px + env(safe-area-inset-bottom,0px));background:var(--color-surface);border-top:1px solid var(--color-border);box-shadow:var(--shadow-float);visibility:hidden;transition:transform .34s var(--ease-screen), visibility 0s linear .34s;align-items:center;gap:12px;display:flex;position:fixed;inset:auto 0 0;transform:translateY(110%)}.update-banner.is-visible{visibility:visible;transition:transform .34s var(--ease-screen), visibility 0s;transform:translateY(0)}.update-banner__text{flex:1}.update-banner__title{font-size:.875rem;font-weight:600}.update-banner__sub{color:var(--color-text-2);font-size:.8125rem}.update-banner__actions{gap:8px;display:flex}.empty{text-align:center;padding:56px 24px}.empty__title{margin-bottom:8px;font-size:1.0625rem;font-weight:600}.empty__text{color:var(--color-text-2);margin-bottom:20px;font-size:.875rem;line-height:1.5}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.status{color:var(--color-text-2);align-items:center;gap:7px;margin:2px 4px 16px;font-size:.75rem;display:flex}.status:empty{display:none}.status__dot{background:var(--color-text-3);border-radius:50%;flex-shrink:0;width:7px;height:7px}.status__text{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.status--fresh .status__dot{background:var(--color-fresh)}.status--aging .status__dot{background:var(--color-aging)}.status--stale .status__dot{background:var(--color-stale)}.status--stale .status__text{color:var(--color-stale);font-weight:600}.status__source{margin-left:auto;font-weight:600;text-decoration:none}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.rate{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card);flex-direction:column;gap:3px;min-width:0;padding:13px 14px;display:flex}.rate--primary{grid-column:1/-1}.rate__head{align-items:center;gap:8px;display:flex}.rate__code{letter-spacing:.05em;color:var(--color-accent);font-size:.75rem;font-weight:700}.rate__change{font-variant-numeric:tabular-nums;margin-left:auto;font-size:.75rem;font-weight:600}.rate__change--up{color:var(--color-up)}.rate__change--down{color:var(--color-down)}.rate__value{font-variant-numeric:tabular-nums;min-width:0;font-size:1.375rem;font-weight:700;line-height:1.15}.rate--primary .rate__value{font-size:2rem}.rate__unit{color:var(--color-text-3);font-size:.75rem;font-weight:600}.rate__label{min-width:0;color:var(--color-text-3);text-overflow:ellipsis;white-space:nowrap;font-size:.6875rem;overflow:hidden}.rate--skeleton{min-height:78px;animation:1.4s ease-in-out infinite pulse}.rate--skeleton:first-child{grid-column:1/-1;min-height:96px}@keyframes pulse{0%,to{opacity:.45}50%{opacity:.85}}.converter{padding:16px}.converter:empty{display:none}.converter__head{align-items:center;gap:10px;margin-bottom:14px;display:flex}.converter__head .section__title{margin:0}.segmented{background:var(--color-surface-2);border-radius:9px;margin-left:auto;padding:2px;display:flex}.segmented__item{color:var(--color-text-2);transition:background var(--dur-tap) ease, color var(--dur-tap) ease;border-radius:7px;padding:6px 12px;font-size:.8125rem;font-weight:600}.segmented__item--on{background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-card)}.segmented__item:disabled{opacity:.4;cursor:not-allowed}.converter__row{align-items:stretch;gap:8px;display:flex}.field{border-radius:var(--radius-field);background:var(--color-surface-2);border:none;outline:none}.field--amount,.field--result{font-variant-numeric:tabular-nums;flex:1;min-width:0;padding:13px 14px;font-size:1.3125rem;font-weight:600}.field--amount:focus{box-shadow:0 0 0 2px var(--color-accent)}.field--result{color:var(--color-text-2);white-space:nowrap;align-items:center;display:flex;overflow:hidden}.field--currency{text-align:center;text-align-last:center;appearance:none;cursor:pointer;min-width:84px;padding:10px 8px;font-size:.875rem;font-weight:700}.swap{width:var(--tap-min);height:var(--tap-min);background:var(--color-surface-2);color:var(--color-accent);transition:transform .24s var(--ease-screen);border-radius:50%;place-items:center;margin:8px auto;display:grid}.swap:active{transform:rotate(180deg)}.calc-body{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;width:100%;min-height:0;display:flex}.display{width:100%;max-width:var(--width-keypad);justify-content:flex-end;align-items:flex-end;gap:10px;padding:0 18px 14px;display:flex;overflow:hidden}.display__value{font-size:var(--display-xl);letter-spacing:-.025em;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:300;line-height:1.05;transition:font-size .12s;overflow:hidden}.display__backspace{width:var(--tap-min);height:var(--tap-min);color:var(--color-text-3);transition:background var(--dur-tap) ease, color var(--dur-tap) ease;border-radius:50%;flex-shrink:0;place-items:center;margin-bottom:6px;display:grid}.display__backspace:hover,.display__backspace:active{background:var(--color-surface-2);color:var(--color-text)}.display__backspace[hidden]{display:none}.keypad{gap:var(--gap-key);width:100%;max-width:var(--width-keypad);padding:0 var(--gap-key) calc(var(--gap-key) + env(safe-area-inset-bottom,0px));grid-template-columns:repeat(4,1fr);display:grid}.key{aspect-ratio:1;-webkit-user-select:none;user-select:none;width:100%;transition:filter var(--dur-tap) ease, background var(--dur-tap) ease;border-radius:50%;place-items:center;font-size:1.9rem;font-weight:400;display:grid}.key:active,.key--flash{filter:brightness(1.25)}.key--number,.key--decimal{background:var(--key-number);color:var(--key-number-text)}.key--utility{background:var(--key-utility);color:var(--key-utility-text);font-size:1.6rem}.key--operator,.key--equals{background:var(--key-operator);color:var(--key-operator-text)}.key--operator.key--on{background:var(--key-operator-on);color:var(--key-operator-on-text)}.key--wide{aspect-ratio:auto;padding-left:calc((100% - var(--gap-key)) / 4 / 2 - .5ch);border-radius:999px;grid-column:span 2;justify-items:start}@media (hover:hover){.key--number:hover,.key--decimal:hover{background:color-mix(in srgb, var(--key-number) 85%, white)}.key--utility:hover{background:color-mix(in srgb, var(--key-utility) 85%, white)}.key--operator:hover,.key--equals:hover{background:var(--color-accent-strong)}}@media (max-height:700px){:root{--gap-key:8px;--display-xl:3.4rem;--display-lg:2.8rem;--display-md:2.3rem;--display-sm:1.9rem}.key{font-size:1.5rem}}.row{width:100%;min-height:var(--tap-min);text-align:left;transition:background var(--dur-tap) ease;align-items:center;gap:12px;padding:12px 14px;display:flex}.row+.row{box-shadow:inset 0 1px 0 var(--color-border)}.row:hover,.row:active{background:var(--color-surface-2)}.row:disabled{opacity:.5}.row__body{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.row__label{font-size:.9375rem}.row__hint{color:var(--color-text-3);font-size:.75rem;line-height:1.35}.row__check{border:1.5px solid var(--color-border);border-radius:50%;flex-shrink:0;width:20px;height:20px}.row__check--on{border-color:var(--color-accent);background:var(--color-accent);background-image:linear-gradient(var(--color-on-accent), var(--color-on-accent)), linear-gradient(var(--color-on-accent), var(--color-on-accent));background-position:6px 9px,11px 4px;background-repeat:no-repeat;background-size:2px 7px,2px 11px;transform:rotate(-2deg)}.toggle{background:var(--color-border);border-radius:999px;flex-shrink:0;width:44px;height:27px;transition:background .18s;position:relative}.toggle--on{background:var(--color-up)}.toggle__knob{width:22px;height:22px;transition:transform .18s var(--ease-screen);background:#fff;border-radius:50%;position:absolute;top:2.5px;left:2.5px;box-shadow:0 1px 3px #00000040}.toggle--on .toggle__knob{transform:translate(17px)}.card--text{padding:14px}.about__line{color:var(--color-text-2);font-size:.8125rem;line-height:1.5}.about__line+.about__line{margin-top:4px}.about__note{border-top:1px solid var(--color-border);color:var(--color-text-3);margin-top:12px;padding-top:12px;font-size:.75rem;line-height:1.5}