.time-calculator{--time-primary: #0891b2;--time-secondary: #06b6d4;--time-accent: #22d3ee;--time-dark: #164e63;--time-light: #ecfeff;--time-text: #1f2937;--time-text-muted: #6b7280;--time-border: #d1d5db;--time-card-bg: #ffffff;--time-section-bg: #f8fafc;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;max-width:900px;margin:0 auto;color:var(--time-text)}.time-header{text-align:center;margin-bottom:2rem;padding:2rem;background:linear-gradient(135deg,var(--time-dark) 0%,var(--time-primary) 100%);border-radius:16px;color:#fff}.time-title{font-size:2rem;font-weight:800;margin:0 0 .75rem}.time-title:before{content:"⏱️";margin-right:.5rem}.time-description{font-size:1.1rem;margin:0;opacity:.9}.time-formula-section{background:var(--time-light);border-radius:12px;padding:1.5rem;margin-bottom:2rem;border:2px solid var(--time-accent)}.time-formula-title{font-size:1.1rem;font-weight:700;color:var(--time-primary);margin:0 0 1rem;text-align:center}.time-formula-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.time-formula-card{background:#fff;border-radius:10px;padding:1rem;border:1px solid var(--time-border)}.time-formula-label{font-size:.85rem;font-weight:600;color:var(--time-primary);margin:0 0 .5rem;text-align:center}.time-formula-display{text-align:center;overflow-x:auto;padding:.5rem 0}.time-form-section{background:var(--time-card-bg);border-radius:16px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 20px #00000014;border:1px solid var(--time-border)}.time-mode-selector{display:flex;gap:.5rem;margin-bottom:1.5rem;flex-wrap:wrap}.time-mode-btn{flex:1;min-width:120px;padding:.75rem;border:2px solid var(--time-border);background:#fff;border-radius:8px;font-size:.9rem;font-weight:600;color:var(--time-text-muted);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.5rem}.time-mode-btn:hover{border-color:var(--time-primary);color:var(--time-primary)}.time-mode-btn.active{background:var(--time-primary);border-color:var(--time-primary);color:#fff}.time-mode-icon{font-size:1.1rem}.time-mode-form{display:none}.time-mode-form.active{display:block}.time-entries{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1rem}.time-entry{display:flex;align-items:center;gap:.5rem;padding:.75rem;background:var(--time-section-bg);border-radius:10px;flex-wrap:wrap}.time-entry .time-operation{padding:.5rem;border:2px solid var(--time-border);border-radius:6px;font-size:.9rem;font-weight:600;color:var(--time-text);background:#fff;cursor:pointer}.time-input-group{display:flex;align-items:center;background:#fff;border:2px solid var(--time-border);border-radius:6px;overflow:hidden}.time-input-group input{width:50px;padding:.5rem;border:none;font-size:1.1rem;font-weight:600;text-align:center;color:var(--time-text)}.time-input-group input:focus{outline:none}.time-input-group:focus-within{border-color:var(--time-primary);box-shadow:0 0 0 3px #0891b226}.time-label{padding:.5rem;background:var(--time-light);color:var(--time-primary);font-weight:600;font-size:.9rem}.time-separator{font-size:1.5rem;font-weight:600;color:var(--time-text-muted)}.time-remove-btn{width:28px;height:28px;border:none;background:#fee2e2;color:#dc2626;border-radius:50%;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;margin-left:auto}.time-remove-btn:hover{background:#fca5a5}.time-add-entry-btn{padding:.75rem 1rem;border:2px dashed var(--time-border);background:transparent;border-radius:10px;color:var(--time-primary);font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.5rem}.time-add-entry-btn:hover{background:var(--time-light);border-color:var(--time-primary)}.time-between-inputs{display:flex;align-items:center;justify-content:center;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}.time-between-group{display:flex;flex-direction:column;gap:.5rem}.time-between-label{font-size:.9rem;font-weight:600;color:var(--time-text);text-align:center}.time-between-input{padding:.75rem 1rem;border:2px solid var(--time-border);border-radius:8px;font-size:1.25rem;font-weight:600;text-align:center;width:140px}.time-between-input:focus{outline:none;border-color:var(--time-primary);box-shadow:0 0 0 3px #0891b226}.time-between-arrow{font-size:2rem;color:var(--time-primary)}.time-between-checkbox{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:1rem;font-size:.9rem;color:var(--time-text-muted)}.time-convert-layout{display:flex;align-items:flex-end;justify-content:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}.time-convert-input,.time-convert-unit{display:flex;flex-direction:column;gap:.5rem}.time-convert-input label,.time-convert-unit label{font-size:.9rem;font-weight:600;color:var(--time-text)}.time-convert-input input{padding:.75rem;border:2px solid var(--time-border);border-radius:8px;font-size:1.1rem;font-weight:600;width:120px;text-align:center}.time-convert-unit select{padding:.75rem;border:2px solid var(--time-border);border-radius:8px;font-size:1rem;font-weight:600;background:#fff;cursor:pointer;min-width:120px}.time-convert-arrow{font-size:1.5rem;color:var(--time-primary);padding-bottom:.5rem}.time-buttons{display:flex;gap:.75rem;margin-top:1.5rem}.time-btn{flex:1;padding:1rem;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.5rem}.time-btn-primary{background:linear-gradient(135deg,var(--time-primary),var(--time-secondary));color:#fff;box-shadow:0 4px 15px #0891b24d}.time-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0891b266}.time-btn-secondary{background:var(--time-section-bg);color:var(--time-text-muted);border:1px solid var(--time-border)}.time-btn-secondary:hover{background:#fff;color:var(--time-text)}.time-presets{margin-bottom:2rem}.time-presets-title{font-size:1rem;font-weight:600;color:var(--time-text);margin:0 0 .75rem}.time-presets-grid{display:flex;flex-wrap:wrap;gap:.5rem}.time-preset-btn{padding:.5rem 1rem;border:1px solid var(--time-border);background:#fff;border-radius:20px;font-size:.85rem;color:var(--time-text);cursor:pointer;transition:all .2s}.time-preset-btn:hover{background:var(--time-light);border-color:var(--time-primary);color:var(--time-primary)}.time-results{background:linear-gradient(135deg,var(--time-dark) 0%,var(--time-primary) 100%);border-radius:16px;padding:2rem;margin-bottom:2rem;color:#fff;text-align:center}.time-results-title{font-size:1.1rem;font-weight:600;margin:0 0 1.5rem;opacity:.9}.time-result-main{display:flex;align-items:baseline;justify-content:center;margin-bottom:.5rem}.time-result-value{font-size:4rem;font-weight:800;font-family:Consolas,Monaco,monospace;line-height:1}.time-result-separator{font-size:3rem;font-weight:600;opacity:.7;margin:0 .25rem}.time-result-label{font-size:1.1rem;opacity:.9;margin-bottom:1.5rem}.time-results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.time-result-card{background:#ffffff1a;border-radius:10px;padding:1rem}.time-result-card-label{display:block;font-size:.8rem;opacity:.8;margin-bottom:.25rem}.time-result-card-value{display:block;font-size:1.25rem;font-weight:700}.time-content{margin-top:2rem}.time-content-section{margin-bottom:2.5rem}.time-content-title{font-size:1.5rem;font-weight:700;color:var(--time-primary);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--time-accent)}.time-content-paragraph{font-size:1rem;line-height:1.7;color:var(--time-text);margin:0 0 1rem}.time-features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.time-feature-card{background:var(--time-light);border-radius:12px;padding:1.25rem;text-align:center;border:1px solid var(--time-accent)}.time-feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.time-feature-title{font-size:1rem;font-weight:700;color:var(--time-primary);margin:0 0 .5rem}.time-feature-description{font-size:.9rem;color:var(--time-text-muted);margin:0;line-height:1.5}.time-tips-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.5rem}@media (min-width: 640px){.time-tips-grid{grid-template-columns:repeat(2,1fr)}}.time-tip-card{background:var(--time-card-bg);border-radius:12px;padding:1.25rem;border:1px solid var(--time-border);box-shadow:0 2px 8px #0000000d}.time-tip-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.time-tip-icon{font-size:1.5rem}.time-tip-title{font-size:1rem;font-weight:700;color:var(--time-primary);margin:0}.time-tip-text{font-size:.9rem;line-height:1.6;color:var(--time-text);margin:0}.time-table-wrapper{overflow-x:auto;margin:1.5rem 0}.time-table{width:100%;border-collapse:collapse;font-size:.95rem}.time-table th,.time-table td{padding:.875rem 1rem;text-align:left;border:1px solid var(--time-border)}.time-table th{background:var(--time-primary);color:#fff;font-weight:600}.time-table tbody tr:nth-child(2n){background:var(--time-section-bg)}.time-faq-list{display:flex;flex-direction:column;gap:.75rem}.time-faq-item{background:var(--time-card-bg);border-radius:10px;border:1px solid var(--time-border);overflow:hidden}.time-faq-question{padding:1rem 1.25rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:space-between;color:var(--time-text);transition:background-color .2s}.time-faq-question:hover{background:var(--time-section-bg)}.time-faq-question:after{content:"+";font-size:1.25rem;font-weight:400;color:var(--time-primary);transition:transform .2s}.time-faq-item[open] .time-faq-question:after{transform:rotate(45deg)}.time-faq-answer{padding:0 1.25rem 1.25rem;font-size:.95rem;line-height:1.7;color:var(--time-text);margin:0}@media (max-width: 640px){.time-header{padding:1.5rem}.time-title{font-size:1.5rem}.time-entry{padding:.5rem}.time-input-group input{width:40px;font-size:1rem}.time-result-value{font-size:3rem}.time-result-separator{font-size:2rem}.time-results-grid{grid-template-columns:1fr}.time-between-inputs{flex-direction:column}.time-convert-layout{flex-direction:column;align-items:stretch}.time-convert-input input,.time-convert-unit select{width:100%}}