:root{--bg-color:#121212;--surface-color:#1e1e1e;--primary-color:#ff9800;--primary-dark:#e68900;--secondary-color:#00bcd4;--error-color:#f44336;--text-primary:#fff;--text-secondary:#b0b0b0;--border-radius:12px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--font-family:"Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);margin:0;padding:0;font-size:18px;line-height:1.5;overflow-x:hidden}button{cursor:pointer;border-radius:var(--border-radius);padding:var(--spacing-md);border:none;justify-content:center;align-items:center;font-family:inherit;font-weight:700;transition:transform .1s,background-color .2s;display:flex}button:active{transform:scale(.95)}.btn-primary{background-color:var(--primary-color);color:#000}.btn-secondary{background-color:var(--surface-color);color:var(--text-primary);border:2px solid var(--primary-color)}.btn-large{width:100%;min-height:80px;font-size:24px}.container{max-width:600px;padding:var(--spacing-md);margin:0 auto}.card{background-color:var(--surface-color);border-radius:var(--border-radius);padding:var(--spacing-lg);margin-bottom:var(--spacing-md);box-shadow:0 4px 6px #0000004d}.label{color:var(--text-secondary);margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:1px;font-size:14px;display:block}.value-display{color:var(--primary-color);font-size:32px;font-weight:700}.modal-overlay{z-index:1000;padding:var(--spacing-md);background-color:#000000d9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{border-radius:var(--border-radius);width:90%;max-width:500px;padding:var(--spacing-lg);background-color:#222;border:1px solid #444;position:relative;box-shadow:0 10px 30px #000c}.button-grid{gap:var(--spacing-sm);margin-top:var(--spacing-md);display:grid}.num-button{color:#fff;background-color:#333;border-radius:8px;min-height:50px;font-size:18px}.num-button.shortcut{background-color:var(--secondary-color);color:#000}.standard-input,input[type=number]{color:#fff;background:#333;border:1px solid #444;border-radius:8px;outline:none;width:100%;padding:16px;font-family:inherit;font-size:20px}input[type=number]:focus,.standard-input:focus{border-color:var(--primary-color)}input[type=datetime-local]::-webkit-calendar-picker-indicator{filter:invert();cursor:pointer;padding:5px}.flex-row{gap:var(--spacing-md);align-items:center;display:flex}.mt-lg{margin-top:var(--spacing-lg)}.mb-lg{margin-bottom:var(--spacing-lg)}.date-input-grid{grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px;display:grid}.date-input-item{flex-direction:column;align-items:center;gap:4px;display:flex}.date-input-item input{text-align:center;width:100%;padding:12px 5px!important;font-size:20px!important}.date-input-item span{color:var(--text-secondary);font-size:12px}.inner-card{background:#ffffff0d;border:1px solid #444;border-radius:8px;padding:15px}select.standard-input{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-position:right 1rem center;background-repeat:no-repeat;background-size:1em;padding-right:3rem}.grid-2{grid-template-columns:1fr 1fr;gap:10px;display:grid}.adjust-btn{color:var(--primary-color);border:2px solid var(--primary-color);background-color:#555;border-radius:8px;flex:1;height:50px;margin:0 5px;font-size:18px;font-weight:700}.star-btn{cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0;font-size:28px;transition:transform .2s;display:flex}.star-btn:active{transform:scale(1.2)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.3s ease-out fadeIn}.result-display{text-align:center;background-color:#ffffff05;border:1px solid #ffffff1a;border-radius:12px;padding:24px;box-shadow:0 4px 20px #0006,inset 0 0 15px #ff98000d}.result-main{color:var(--primary-color);text-shadow:0 0 10px #ff98004d;margin-bottom:5px;font-size:36px;font-weight:700}.result-day{margin-left:4px;font-size:16px;font-weight:400;color:#ff9800b3!important}.result-sub{color:var(--text-secondary);font-size:16px}.primary-text{color:var(--primary-color)}.secondary-text{color:var(--secondary-color)}.inner-card{background:#ffffff05;border:1px solid #ffffff1a;border-radius:10px;padding:20px;box-shadow:0 4px 15px #0000004d}.line-btn{color:#fff!important;letter-spacing:1px!important;background:linear-gradient(135deg,#06c755 0%,#05a346 100%)!important;border:none!important;border-radius:12px!important;justify-content:center!important;align-items:center!important;width:100%!important;min-height:64px!important;font-size:18px!important;font-weight:700!important;display:flex!important;box-shadow:0 4px 15px #06c7554d!important}.line-btn:active{transform:scale(.98);background:#05a346!important;box-shadow:0 2px 8px #06c75533!important}.adjust-btn{color:var(--primary-color)!important;background-color:#2c2c2c!important;border:1px solid #ff98004d!important;border-radius:10px!important;flex:1!important;height:54px!important;margin:0 5px!important;font-size:18px!important;font-weight:700!important}.adjust-btn:active{background-color:var(--primary-color)!important;color:#000!important}.globe-btn{z-index:1000;cursor:pointer;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background-color:#ffffff1a;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;padding:0;font-size:24px;display:flex;position:absolute;top:10px;right:10px;box-shadow:0 4px 10px #0000004d}.globe-btn:active{background-color:#ffffff4d;transform:scale(.9)}.language-dropdown{z-index:1001;background-color:#222;border:1px solid #444;border-radius:12px;min-width:180px;position:absolute;top:60px;right:10px;overflow:hidden;box-shadow:0 8px 25px #00000080}.language-dropdown button{width:100%;padding:15px 20px;display:block;text-align:left!important;color:#fff!important;background:0 0!important;border:none!important;border-bottom:1px solid #333!important;border-radius:0!important;font-size:16px!important}.language-dropdown button:last-child{border-bottom:none!important}.language-dropdown button:active{background-color:var(--primary-color)!important;color:#000!important}@media (width<=375px){.date-input-grid{gap:6px}.date-input-item input{padding:10px 4px!important;font-size:18px!important}.result-main{font-size:32px}.btn-large{min-height:60px;font-size:20px}}@media (width<=320px){.date-input-grid{gap:4px}.date-input-item input{font-size:16px!important}.label{font-size:12px}}