@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-main:#f0f4f8;--bg-card:#ffffffd9;--bg-input:#ffffffe6;--text-main:#1a202c;--text-muted:#4a5568;--primary-color:#3182ce;--primary-hover:#2b6cb0;--secondary-color:#e2e8f0;--border-color:#fff6;--border-input:#cbd5e0;--shadow-main:0 8px 32px 0 #1f268712;--shadow-input:inset 0 2px 4px 0 #00000005;--glass-blur:12px;--success-color:#38a169;--danger-color:#e53e3e}[data-theme=dark]{--bg-main:#0f172a;--bg-card:#1e293bb3;--bg-input:#0f172a99;--text-main:#f8fafc;--text-muted:#94a3b8;--primary-color:#3b82f6;--primary-hover:#60a5fa;--secondary-color:#334155;--border-color:#ffffff1a;--border-input:#475569;--shadow-main:0 8px 32px 0 #0000004d;--shadow-input:inset 0 2px 4px 0 #0003}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Inter,sans-serif;transition:background-color .3s,color .3s}.glass-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--border-color);box-shadow:var(--shadow-main);border-radius:16px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s ease-out forwards fadeIn}.text-gradient{-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;background-image:linear-gradient(90deg, var(--primary-color), #8b5cf6)}button{cursor:pointer;border:none;outline:none;font-family:inherit}.calculator-form{flex-direction:column;gap:1.25rem;max-width:100%;padding:1.5rem;display:flex}.form-group{flex-direction:column;gap:.5rem;display:flex}.row-group{flex-direction:row;align-items:flex-end;gap:1rem}.flex-1{flex:1}label{color:var(--text-main);margin-left:.25rem;font-size:.85rem;font-weight:600}.optional-text{color:var(--text-muted);margin-left:.25rem;font-size:.75rem;font-weight:400}.styled-input{border:1px solid var(--border-input);background:var(--bg-input);width:100%;color:var(--text-main);box-shadow:var(--shadow-input);border-radius:12px;padding:.875rem 1rem;font-family:inherit;font-size:1rem;transition:all .2s}.styled-input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #3182ce33}.styled-input::placeholder{color:var(--text-muted);opacity:.6}.unit-selector{flex-direction:column;gap:.5rem;display:flex}.toggle-bg{background:var(--bg-input);border:1px solid 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#3182ce33}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 8px #3182ce4d}.btn-primary:active:not(:disabled){transform:translateY(1px)}.btn-primary:disabled{background:var(--secondary-color);color:var(--text-muted);box-shadow:none;cursor:not-allowed;opacity:.7}.btn-secondary{background:var(--secondary-color);color:var(--text-main);border-radius:12px;justify-content:center;align-items:center;padding:0 1.25rem;transition:all .2s;display:flex}.btn-secondary:hover{filter:brightness(.95)}[data-theme=dark] .btn-secondary:hover{filter:brightness(1.1)}.container-section{background:linear-gradient(135deg,#3182ce0f,#0000);border:1.5px dashed #3182ce4d;border-radius:14px;gap:.75rem;padding:1rem}.container-section-header{flex-direction:column;gap:.15rem;display:flex}.container-helper{margin-left:.25rem}.bucket-wrapper{background:var(--bg-input);border:1px solid 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