:root{--background:#f6f1ea;--surface:#fff;--surface-muted:#fbf7f1;--surface-strong:#fff1df;--text-primary:#171717;--text-secondary:#57534e;--text-muted:#78716c;--border:#e4d6c4;--border-strong:#d2bfa8;--header-bg:#080808;--header-text:#fff;--header-muted:#f6d7b0;--accent:#f97316;--accent-hover:#c2410c;--accent-contrast:#111;--accent-soft:#fed7aa;--accent-surface:#fff7ed;--focus-ring:#f9731652;--shadow-card:0 20px 60px #11111129;--shadow-popover:0 18px 42px #11111138;--warning-bg:#fff8e8;--warning-text:#5b3900;--warning-border:#c47b00;--error-bg:#fff4ed;--error-text:#7c2d12;--error-action:#fed7aa;--success-bg:#ecfdf5;--success-text:#065f46;--success-border:#10b981;color:var(--text-primary);background:var(--background);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}*{box-sizing:border-box}html{background:var(--background);min-width:320px}body{min-width:320px;min-height:100vh;margin:0;overflow-x:hidden}button,input,select{font:inherit}button{-webkit-tap-highlight-color:transparent}h1,h2,h3,p{margin-top:0}p{margin-bottom:0}.app-shell{background:var(--background);min-height:100vh;color:var(--text-primary);flex-direction:column;display:flex}.skip-link{z-index:100;background:var(--accent);color:var(--accent-contrast);border-radius:8px;padding:10px 14px;font-weight:900;text-decoration:none;transition:transform .16s;position:fixed;top:12px;left:12px;transform:translateY(-140%)}.skip-link:focus{outline:3px solid var(--focus-ring);outline-offset:2px;transform:translateY(0)}.site-header{background:var(--header-bg);color:var(--header-text);border:1px solid #ffffffb8}.site-header__content,.app-main,.site-footer{width:min(1120px,100% - 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48px);box-shadow:var(--shadow-popover);border-radius:8px;padding:10px;position:absolute;top:calc(100% + 8px);left:0}.currency-selector__search{border:1px solid var(--border-strong);background:var(--surface);width:100%;color:var(--text-primary);border-radius:8px;padding:10px 12px}.currency-selector__list{gap:4px;max-height:260px;margin:10px 0 0;padding:0;list-style:none;display:grid;overflow-y:auto}.currency-selector__option,.currency-selector__empty{border-radius:8px;padding:10px 12px}.currency-selector__option{color:var(--text-secondary);cursor:pointer;font-weight:600}.currency-selector__option-code{color:var(--text-primary);font-weight:900}.currency-selector__option.is-active{background:var(--surface-strong)}.currency-selector__option.is-selected{background:var(--accent-soft);color:var(--accent-hover)}.currency-selector__empty,.empty-state{color:var(--text-secondary)}.converter-actions{flex-wrap:wrap;justify-content:flex-end;gap:12px;display:flex}button{cursor:pointer;border:0;border-radius:8px;padding:12px 16px;font-weight:900;transition:background-color .16s,border-color .16s,box-shadow .16s,color .16s,transform .16s}button:hover:not(:disabled){transform:translateY(-1px)}button:disabled{cursor:not-allowed;opacity:.65}.primary-button{background:var(--accent);color:var(--accent-contrast);box-shadow:0 10px 24px #f9731647}.primary-button:hover:not(:disabled){background:var(--accent-hover)}.secondary-button{background:var(--surface-muted);color:var(--text-primary)}.secondary-button:hover:not(:disabled){background:var(--surface-strong)}.text-button{color:var(--accent);background:0 0;padding:8px 10px}.conversion-result,.loading-spinner,.error-message,.cache-notice{margin-top:20px}.conversion-result{border:1px solid var(--accent-soft);background:var(--accent-surface);border-radius:8px;gap:6px;padding:22px;display:grid}.conversion-result span{color:var(--text-secondary);font-weight:700}.conversion-result strong{color:var(--accent);overflow-wrap:anywhere;font-size:clamp(2rem,8vw,3.4rem);line-height:1.05}.conversion-result--empty strong{color:var(--text-secondary);font-size:1.15rem}.rate-info,.popular-currencies,.recent-conversions{border-top:1px solid var(--border);margin-top:24px;padding-top:24px}.rate-info p,.site-footer{color:var(--text-secondary)}.rate-info__grid{gap:14px;display:grid}.rate-info__grid p{margin-bottom:0}.rate-info__grid span{color:var(--text-muted);font-size:.9rem;font-weight:700;display:block}.rate-info__grid strong{color:var(--text-primary)}.rate-info__date{font-weight:900}.rate-info__cached,.rate-info__loading{margin-top:12px}.rate-info__cached{color:var(--success-text);font-weight:800}.rate-info__notice{border-left:4px solid var(--warning-border);background:var(--warning-bg);color:var(--warning-text);border-radius:8px;margin:18px 0 0;padding:12px 16px}.popular-currencies__grid{flex-wrap:wrap;gap:10px;display:flex}.target-toggle{border:1px solid var(--border);background:var(--surface-muted);border-radius:8px;padding:4px;display:inline-flex}.target-toggle button{color:var(--text-secondary);background:0 0;padding:8px 12px}.target-toggle button.is-active{background:var(--accent);color:var(--accent-contrast)}.currency-chip{border:1px solid var(--border);background:var(--surface);min-width:64px;color:var(--text-primary)}.currency-chip:hover:not(:disabled),.currency-chip.is-selected{border-color:var(--accent);background:var(--surface-strong);color:var(--accent)}.recent-conversions__list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.recent-conversions__item{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text-primary);text-align:left;gap:4px;padding:14px;display:grid}.recent-conversions__item:hover{border-color:var(--border-strong);background:var(--surface-muted)}.recent-conversions__item span,.recent-conversions__item small{color:var(--text-secondary);font-weight:700}.recent-conversions__item strong{color:var(--text-primary);font-size:1.05rem}.loading-spinner{color:var(--text-secondary);align-items:center;gap:10px;display:flex}.spinner{border:3px solid var(--accent-soft);border-top-color:var(--accent);border-radius:999px;width:18px;height:18px}.error-message{border-left:4px solid var(--error-text);background:var(--error-bg);color:var(--error-text);border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}.error-message p{margin:0}.error-message button{background:var(--error-action);color:var(--error-text);padding:8px 12px}.site-footer{text-align:center;padding:28px 0}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=700px){.site-header__content,.app-main,.site-footer{width:min(100% - 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