:root{--bg-primary: #f0f2f5;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f8f9fb;--bg-input: #f5f6f8;--bg-banner: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--bg-banner-text: #ffffff;--text-primary: #1a1d23;--text-secondary: #5a6178;--text-tertiary: #8b92a8;--text-accent: #667eea;--border-color: #e2e5ed;--border-focus: #667eea;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .1);--shadow-card: 0 2px 8px rgba(0, 0, 0, .06);--shadow-card-hover: 0 8px 25px rgba(0, 0, 0, .12);--accent-daily: #10b981;--accent-daily-bg: rgba(16, 185, 129, .08);--accent-monthly: #667eea;--accent-monthly-bg: rgba(102, 126, 234, .08);--accent-annual: #f59e0b;--accent-annual-bg: rgba(245, 158, 11, .08);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--transition: .3s cubic-bezier(.4, 0, .2, 1)}html.dark{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-card: #1e2130;--bg-card-hover: #252840;--bg-input: #252840;--bg-banner: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--bg-banner-text: #ffffff;--text-primary: #e8eaf0;--text-secondary: #a0a6be;--text-tertiary: #6b7194;--text-accent: #8b9cf7;--border-color: #2a2e42;--border-focus: #8b9cf7;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .4);--shadow-card: 0 2px 8px rgba(0, 0, 0, .2);--shadow-card-hover: 0 8px 25px rgba(0, 0, 0, .4);--accent-daily-bg: rgba(16, 185, 129, .12);--accent-monthly-bg: rgba(102, 126, 234, .12);--accent-annual-bg: rgba(245, 158, 11, .12)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;transition:background-color var(--transition),color var(--transition)}body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;transition:background-color var(--transition),color var(--transition)}a{color:var(--text-accent);text-decoration:none;transition:opacity var(--transition)}a:hover{opacity:.8}.app-wrapper{max-width:720px;margin:0 auto;padding:24px 20px 40px;min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.header__brand{display:flex;align-items:center;gap:12px}.header__icon{width:36px;height:36px;background:var(--bg-banner);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff}.header__icon svg{width:20px;height:20px}.header h1{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}.text-accent{color:var(--text-accent)}.theme-toggle{width:42px;height:42px;border-radius:50%;border:1.5px solid var(--border-color);background:var(--bg-card);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);color:var(--text-secondary)}.theme-toggle:hover{border-color:var(--border-focus);color:var(--text-accent);box-shadow:var(--shadow-md);transform:rotate(15deg)}.theme-toggle svg{width:20px;height:20px;transition:transform var(--transition)}html.dark .icon-sun{display:block}html.dark .icon-moon{display:none}html:not(.dark) .icon-sun{display:none}html:not(.dark) .icon-moon{display:block}.selic-banner{background:var(--bg-banner);border-radius:var(--radius-lg);padding:20px 24px;margin-bottom:28px;color:var(--bg-banner-text);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}.selic-banner:before{content:"";position:absolute;top:-50%;right:-30%;width:200px;height:200px;background:#ffffff0f;border-radius:50%}.selic-banner:after{content:"";position:absolute;bottom:-40%;left:-20%;width:150px;height:150px;background:#ffffff0a;border-radius:50%}.selic-banner__content{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.selic-banner__label{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;opacity:.85;display:block;margin-bottom:4px}.selic-banner__value{font-size:1.5rem;font-weight:700;display:block}.selic-banner__loader{display:flex;align-items:center;gap:12px;position:relative;z-index:1}.spinner{width:20px;height:20px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.selic-banner__error{position:relative;z-index:1}.retry-btn{background:#fff3;border:1px solid rgba(255,255,255,.4);color:#fff;padding:4px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:.8rem;font-weight:500;margin-left:8px;transition:all var(--transition)}.retry-btn:hover{background:#ffffff4d}.input-section{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px}@media(max-width:560px){.input-section{grid-template-columns:1fr}}.input-card{background:var(--bg-card);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-card);border:1px solid var(--border-color);transition:all var(--transition)}.input-card:focus-within{border-color:var(--border-focus);box-shadow:var(--shadow-card-hover),0 0 0 3px #667eea1a}.input-label{display:block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin-bottom:10px}.input-wrapper{display:flex;align-items:center;background:var(--bg-input);border-radius:var(--radius-sm);padding:0 14px;height:48px;transition:background-color var(--transition)}.input-prefix,.input-suffix{font-size:.95rem;font-weight:600;color:var(--text-tertiary);flex-shrink:0}.input-prefix{margin-right:8px}.input-suffix{margin-left:8px}.input-field{flex:1;border:none;background:transparent;font-family:inherit;font-size:1.1rem;font-weight:600;color:var(--text-primary);outline:none;width:100%;height:100%}.input-field::placeholder{color:var(--text-tertiary);font-weight:400}.input-select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235a6178' viewBox='0 0 16 16'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center;padding-right:24px;background-color:var(--bg-input);color:var(--text-primary)}.input-select option{background-color:var(--bg-card);color:var(--text-primary);padding:8px}.custom-cdi-wrapper{margin-top:10px;animation:slideDown .25s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.results-section{margin-bottom:32px}.results-title{font-size:1.1rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:560px){.results-grid{grid-template-columns:1fr}}.result-card{background:var(--bg-card);border-radius:var(--radius-md);padding:22px 18px;box-shadow:var(--shadow-card);border:1px solid var(--border-color);text-align:center;transition:all var(--transition);display:flex;flex-direction:column;align-items:center;gap:6px}.result-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}.result-card__icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:4px}.result-card__icon svg{width:22px;height:22px}.result-card--daily .result-card__icon{background:var(--accent-daily-bg);color:var(--accent-daily)}.result-card--monthly .result-card__icon{background:var(--accent-monthly-bg);color:var(--accent-monthly)}.result-card--annual .result-card__icon{background:var(--accent-annual-bg);color:var(--accent-annual)}.result-card__label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary)}.result-card__value{font-size:1.35rem;font-weight:800;color:var(--text-primary);letter-spacing:-.01em;transition:color var(--transition)}.result-card--daily .result-card__value{color:var(--accent-daily)}.result-card--monthly .result-card__value{color:var(--accent-monthly)}.result-card--annual .result-card__value{color:var(--accent-annual)}.result-card__rate{font-size:.78rem;color:var(--text-tertiary);font-weight:500}.summary-card{background:var(--bg-card);border-radius:var(--radius-md);padding:24px;margin-top:18px;box-shadow:var(--shadow-card);border:1px solid var(--border-color);animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.summary-card__title{font-size:.9rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.summary-card__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:400px){.summary-card__grid{grid-template-columns:1fr}}.summary-item{display:flex;flex-direction:column;gap:2px}.summary-item__label{font-size:.72rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary)}.summary-item__value{font-size:1rem;font-weight:700;color:var(--text-primary)}.summary-item__value--highlight{color:var(--text-accent);font-size:1.15rem}.net-yield-section{margin-bottom:32px;animation:fadeIn .4s ease-out}.text-secondary{color:var(--text-tertiary);font-weight:500;font-size:.9em}.net-yield-subtitle{font-size:.8rem;color:var(--text-tertiary);margin-top:-10px;margin-bottom:16px}.net-yield-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:560px){.net-yield-grid{grid-template-columns:1fr}}.net-card{background:var(--bg-card);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-card);border:1px solid var(--border-color);transition:all var(--transition)}.net-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}.net-card__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.net-card__period{font-size:.95rem;font-weight:700;color:var(--text-primary)}.net-card__badge{font-size:.68rem;font-weight:700;padding:3px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.04em}.net-card__badge--high{background:#ef44441f;color:#ef4444}.net-card__badge--medium{background:#f59e0b1f;color:#f59e0b}.net-card__badge--low{background:#10b9811f;color:#10b981}.net-card__row{display:flex;justify-content:space-between;align-items:center;padding:4px 0}.net-card__label{font-size:.78rem;color:var(--text-tertiary)}.net-card__label--bold{font-weight:700;color:var(--text-secondary)}.net-card__value{font-size:.88rem;font-weight:600;color:var(--text-primary)}.net-card__value--negative{color:#ef4444}.net-card__value--net{font-weight:800;font-size:1rem;color:var(--accent-daily)}.net-card__divider{height:1px;background:var(--border-color);margin:6px 0}.footer{margin-top:auto;padding-top:32px;text-align:center;font-size:.75rem;color:var(--text-tertiary);line-height:1.6}.result-card__value,.selic-banner__value{transition:all .4s ease}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.04)}to{transform:scale(1)}}.value-updated{animation:pulse .35s ease}