@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap);:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--secondary-color:#64748b;--success-color:#10b981;--warning-color:#f59e0b;--error-color:#ef4444;--background-light:#ffffff;--background-gray:#f8fafc;--text-primary:#1e293b;--text-secondary:#64748b;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);--shadow-xl:0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem}.adc-theme-wrapper.dark .adc-app{--background-light:#0f172a;--background-gray:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--border-color:#334155;--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.3);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);--shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);--shadow-xl:0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3)}.adc-theme-wrapper{width:100%;max-width:none}.adc-app{max-width:1200px;margin:2rem auto;padding:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--background-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);overflow:hidden;transition:all 0.3s ease;border:1px solid var(--border-color)}.adc-app header{display:flex;justify-content:space-between;align-items:center;padding:2rem 2.5rem;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff;position:relative}.adc-app header::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url("%23grain")"/></svg>');pointer-events:none}.adc-app header h1{margin:0;font-size:2rem;font-weight:700;letter-spacing:-.025em;position:relative;z-index:1}.adc-tabs{display:flex;background:var(--background-gray);padding:1.5rem 2.5rem 0;gap:.5rem;border-bottom:1px solid var(--border-color)}.adc-tab{padding:1rem 1.5rem;border:none;background:#fff0;color:var(--text-secondary);border-radius:var(--radius-lg) var(--radius-lg) 0 0;cursor:pointer;font-weight:500;font-size:.875rem;transition:all 0.3s ease;position:relative;border-bottom:3px solid #fff0}.adc-tab:hover{background:var(--background-light);color:var(--text-primary)}.adc-tab.adc-active{background:var(--background-light);color:var(--primary-color);border-bottom-color:var(--primary-color);font-weight:600}.adc-content{padding:2.5rem;min-height:400px}.adc-panel{display:none;animation:fadeIn 0.3s ease-in-out}.adc-panel.adc-active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.adc-form-group{margin-bottom:1.5rem}.adc-panel label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary);font-size:.875rem}.adc-panel input[type="date"]{width:100%;padding:.875rem 1rem;border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;background:var(--background-light);color:var(--text-primary);transition:all 0.3s ease;font-family:inherit}.adc-panel input[type="date"]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgb(37 99 235 / .1)}.adc-btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 1.5rem;border:none;background:var(--primary-color);color:#fff;border-radius:var(--radius-md);font-weight:500;font-size:.875rem;cursor:pointer;transition:all 0.3s ease;text-decoration:none;min-width:120px;margin-top:1rem}.adc-btn:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.adc-btn:active{transform:translateY(0)}.adc-result{margin-top:2rem;padding:0;background:var(--background-light);border-radius:var(--radius-xl);border:2px solid var(--border-color);overflow:hidden;box-shadow:var(--shadow-lg)}.adc-result:empty{display:none}.adc-result-header{background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));color:#fff;padding:1.5rem;text-align:center}.adc-result-header h3{margin:0;font-size:1.25rem;font-weight:600}.adc-result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--background-gray)}.adc-result-item{padding:2rem 1rem;text-align:center;background:var(--background-light);border-right:1px solid var(--border-color);transition:all 0.3s ease}.adc-result-item:last-child{border-right:none}.adc-result-item:hover{background:var(--background-gray);transform:translateY(-2px)}.adc-result-number{font-size:2.5rem;font-weight:700;color:var(--primary-color);line-height:1;margin-bottom:.5rem}.adc-result-label{font-size:.875rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.adc-result-summary{padding:1.5rem;text-align:center;font-size:1rem;color:var(--text-primary);background:var(--background-light);border-top:1px solid var(--border-color)}.adc-result-info{padding:1rem 1.5rem;text-align:center;font-size:.875rem;color:var(--text-secondary);background:var(--background-gray);border-top:1px solid var(--border-color)}.adc-countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--background-gray)}.adc-countdown-item{padding:2rem 1rem;text-align:center;background:var(--background-light);border-right:1px solid var(--border-color);transition:all 0.3s ease}.adc-countdown-item:last-child{border-right:none}.adc-countdown-item:hover{background:var(--background-gray);transform:translateY(-2px)}.adc-countdown-number{font-size:2rem;font-weight:700;color:var(--primary-color);line-height:1;margin-bottom:.5rem;font-family:'Courier New',monospace}.adc-countdown-label{font-size:.75rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.adc-comparison-details{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--border-color)}.adc-comparison-item{padding:1rem 1.5rem;display:flex;align-items:center;gap:.75rem;background:var(--background-light);border-right:1px solid var(--border-color);font-size:.875rem;color:var(--text-primary)}.adc-comparison-item:last-child{border-right:none}.adc-comparison-icon{font-size:1.25rem}.adc-error{padding:1.5rem;background:#fef2f2;color:var(--error-color);border-radius:var(--radius-lg);border:1px solid #fecaca;text-align:center;font-weight:500}.adc-theme-wrapper.dark .adc-error{background:#450a0a;border-color:#7f1d1d}.adc-celebration{padding:2rem;text-align:center;font-size:1.25rem;color:var(--success-color);font-weight:600}.adc-sidebar{background:var(--background-gray);padding:2.5rem;border-top:1px solid var(--border-color)}.adc-sidebar h2{margin:0 0 1rem 0;font-size:1.125rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.adc-sidebar-section{margin-bottom:2rem;padding:1.5rem;background:var(--background-light);border-radius:var(--radius-lg);border:1px solid var(--border-color)}.adc-sidebar-section:last-child{margin-bottom:0}.adc-sidebar-content{color:var(--text-secondary);line-height:1.6;font-size:.875rem}.adc-fun-fact,.adc-milestone,.adc-zodiac-item{display:flex;align-items:center;gap:1rem;padding:.75rem 0;border-bottom:1px solid var(--border-color)}.adc-fun-fact:last-child,.adc-milestone:last-child,.adc-zodiac-item:last-child{border-bottom:none}.adc-fun-icon,.adc-milestone-icon,.adc-zodiac-icon{font-size:1.5rem;width:2rem;text-align:center}@media (min-width:1024px){.adc-app{display:grid;grid-template-rows:auto auto 1fr;grid-template-columns:1fr 300px;grid-template-areas:"header header" "tabs tabs" "content sidebar"}.adc-app header{grid-area:header}.adc-tabs{grid-area:tabs}.adc-content{grid-area:content;border-right:1px solid var(--border-color)}.adc-sidebar{grid-area:sidebar;border-top:none;border-left:1px solid var(--border-color)}}@media (max-width:768px){.adc-app{margin:1rem;border-radius:var(--radius-lg)}.adc-app header{padding:1.5rem}.adc-app header h1{font-size:1.5rem}.adc-tabs{padding:1rem;flex-wrap:wrap}.adc-tab{padding:.75rem 1rem;font-size:.8rem;flex:1;min-width:calc(50% - 0.25rem)}.adc-content,.adc-sidebar{padding:1.5rem}.adc-result-grid{grid-template-columns:1fr}.adc-result-item{border-right:none;border-bottom:1px solid var(--border-color)}.adc-result-item:last-child{border-bottom:none}.adc-countdown-grid{grid-template-columns:repeat(2,1fr)}.adc-comparison-details{grid-template-columns:1fr}.adc-comparison-item{border-right:none;border-bottom:1px solid var(--border-color)}.adc-comparison-item:last-child{border-bottom:none}}@media (max-width:480px){.adc-app{margin:.5rem}.adc-tab{min-width:100%;margin-bottom:.25rem}.adc-content,.adc-sidebar{padding:1rem}.adc-countdown-grid{grid-template-columns:1fr}.adc-countdown-item{border-right:none;border-bottom:1px solid var(--border-color)}.adc-countdown-item:last-child{border-bottom:none}}.adc-loading{display:inline-block;width:20px;height:20px;border:2px solid rgb(255 255 255 / .3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.adc-text-center{text-align:center}.adc-text-success{color:var(--success-color)}.adc-text-warning{color:var(--warning-color)}.adc-text-error{color:var(--error-color)}.adc-mb-2{margin-bottom:.5rem}.adc-mb-4{margin-bottom:1rem}.adc-mt-4{margin-top:1rem}*{transition:background-color 0.3s ease,color 0.3s ease,border-color 0.3s ease}.adc-countdown-container{display:flex;flex-direction:column;gap:2rem;max-width:100%}.adc-countdown-section{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px rgb(0 0 0 / .1);transition:all 0.3s ease}.adc-countdown-section:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgb(0 0 0 / .15)}.adc-section-header{margin-bottom:1.5rem;text-align:center}.adc-section-header h3{color:var(--primary-color);font-size:1.25rem;font-weight:600;margin:0 0 .5rem 0;display:flex;align-items:center;justify-content:center;gap:.5rem}.adc-section-description{color:var(--text-secondary);font-size:.9rem;margin:0;line-height:1.4}.adc-input-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1rem}.adc-duration-inputs{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1rem}.adc-form-group{display:flex;flex-direction:column;gap:.5rem;min-width:0}.adc-form-group label{font-weight:600;color:var(--text-color);font-size:.95rem;display:flex;align-items:center;margin-bottom:.25rem}.adc-label-icon{margin-right:.5rem;font-size:1rem;flex-shrink:0}.adc-input-enhanced{width:100%;max-width:100%;padding:.75rem 1rem;border:2px solid var(--border-color);border-radius:8px;font-size:1rem;background:var(--input-bg);color:var(--text-color);transition:all 0.3s ease;box-sizing:border-box;min-width:0}.adc-field-help{font-size:.8rem;color:var(--text-secondary);margin-top:.25rem;line-height:1.3}.adc-input-enhanced:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgb(74 144 226 / .1);transform:translateY(-1px)}.adc-input-enhanced:hover{border-color:var(--primary-color)}.adc-divider{display:flex;align-items:center;justify-content:center;margin:1rem 0;position:relative}.adc-divider::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--border-color),transparent)}.adc-divider-text{background:var(--bg-color);padding:0 1rem;color:var(--text-secondary);font-weight:600;font-size:.9rem;z-index:1;position:relative}.adc-action-section{display:flex;justify-content:center;margin-top:1rem}.adc-btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border:none;padding:1rem 2rem;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all 0.3s ease;box-shadow:0 4px 15px rgb(74 144 226 / .3)}.adc-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgb(74 144 226 / .4)}.adc-btn-primary:active{transform:translateY(0)}.adc-btn-icon{font-size:1.2rem}[data-theme="dark"] .adc-countdown-section{background:rgb(255 255 255 / .05);border-color:rgb(255 255 255 / .1)}[data-theme="dark"] .adc-input-enhanced{background:rgb(255 255 255 / .05);border-color:rgb(255 255 255 / .1)}[data-theme="dark"] .adc-input-enhanced:focus{border-color:var(--primary-color);background:rgb(255 255 255 / .08)}[data-theme="dark"] .adc-divider-text{background:var(--bg-color)}@media (max-width:768px){.adc-input-row,.adc-duration-inputs{grid-template-columns:1fr;gap:1rem}.adc-countdown-section{padding:1rem}.adc-btn-primary{padding:.875rem 1.5rem;font-size:1rem}}