:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--cyan-primary:#26c2ae;--bg-color:#c5e4e7;--dark-green:#00474b;--text-dark:#3d6666;--text-light:#7f9d9f;--bg-card:#fff;--bg-input:#f3f9fb;--error-color:#e17457}*{box-sizing:border-box;margin:0;padding:0;font-family:Space Mono,monospace,sans-serif}body{background-color:var(--bg-color);justify-content:center;align-items:center;min-height:100vh;display:flex}.container{width:100%;max-width:920px;padding:20px}.header{text-align:center;margin-bottom:40px}.header h1{color:var(--dark-green);letter-spacing:10px;font-size:1.5rem}.header h1 span{display:block}.card{background:var(--bg-card);border-radius:25px;grid-template-columns:1fr;gap:32px;padding:32px;display:grid;box-shadow:0 20px 30px #0000000d}@media (width>=768px){.card{grid-template-columns:1fr 1fr}}.form-section{flex-direction:column;gap:32px;display:flex}.input-group{flex-direction:column;gap:8px;display:flex}.label-wrapper{justify-content:space-between;display:flex}label{color:var(--text-dark);font-size:.9rem;font-weight:700}.error-msg{color:var(--error-color);font-size:.9rem;font-weight:700}.input-wrapper{align-items:center;display:flex;position:relative}.input-wrapper .icon{color:var(--text-light);font-weight:700;position:absolute;left:16px}.input-wrapper input{background-color:var(--bg-input);width:100%;color:var(--dark-green);text-align:right;border:2px solid #0000;border-radius:8px;outline:none;padding:8px 16px 8px 36px;font-size:1.25rem;font-weight:700;transition:border-color .2s}.input-wrapper input:focus{border-color:var(--cyan-primary)}.input-wrapper.input-error input{border-color:var(--error-color)}.tip-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}@media (width>=480px){.tip-grid{grid-template-columns:repeat(3,1fr)}}.tip-btn{background-color:var(--dark-green);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:10px;font-size:1.1rem;font-weight:700;transition:all .2s}.tip-btn:hover{color:var(--dark-green);background-color:#9fe8df}.tip-btn.active{background-color:var(--cyan-primary);color:var(--dark-green)}.custom-tip-input{background-color:var(--bg-input);color:var(--dark-green);text-align:right;border:2px solid #0000;border-radius:6px;outline:none;padding:8px;font-size:1.1rem;font-weight:700}.custom-tip-input:focus{border-color:var(--cyan-primary)}.result-section{background-color:var(--dark-green);border-radius:16px;flex-direction:column;justify-content:space-between;gap:32px;padding:32px;display:flex}.result-rows{flex-direction:column;gap:32px;display:flex}.result-row{justify-content:space-between;align-items:center;display:flex}.result-label .title{color:#fff;font-size:.95rem;font-weight:700}.result-label .subtitle{color:var(--text-light);font-size:.75rem}.amount{color:var(--cyan-primary);font-size:2.2rem;font-weight:700}.reset-btn{background-color:var(--cyan-primary);color:var(--dark-green);cursor:pointer;border:none;border-radius:6px;padding:12px;font-size:1rem;font-weight:700;transition:opacity .2s}.reset-btn:hover:not(:disabled){background-color:#9fe8df}.reset-btn:disabled{opacity:.2;cursor:not-allowed}