:root{--hlut-bg:#f0f4f8;--hlut-card:#ffffff;--hlut-primary:#1a6b55;--hlut-primary-dk:#134d3d;--hlut-accent:#2ecc8f;--hlut-accent-lt:#d4f5e7;--hlut-text:#1a2b28;--hlut-muted:#6b8a83;--hlut-border:#d8e8e3;--hlut-input-bg:#f6faf8;--hlut-radius:16px;--hlut-radius-sm:10px;--hlut-shadow:0 4px 24px rgba(26,107,85,.10);--hlut-shadow-lg:0 8px 40px rgba(26,107,85,.16);--hlut-font:'Inter', 'Segoe UI', system-ui, sans-serif;--hlut-font-mono:'JetBrains Mono', 'Fira Mono', 'Courier New', monospace}.hlut-wrapper{font-family:var(--hlut-font);background:var(--hlut-bg);border-radius:var(--hlut-radius);padding:32px 28px 36px;max-width:720px;margin:0 auto;color:var(--hlut-text);box-sizing:border-box}.hlut-header{display:flex;align-items:center;gap:14px;margin-bottom:26px}.hlut-icon-wrap{width:52px;height:52px;border-radius:14px;background:var(--hlut-primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.hlut-title{font-size:1.6rem;font-weight:800;margin:0 0 2px;letter-spacing:-.5px;color:var(--hlut-text);line-height:1.2}.hlut-subtitle{font-size:.875rem;color:var(--hlut-muted);margin:0}.hlut-card{background:var(--hlut-card);border-radius:var(--hlut-radius);padding:28px;box-shadow:var(--hlut-shadow);border:1px solid var(--hlut-border);margin-bottom:18px}.hlut-row{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:22px}.hlut-field{display:flex;flex-direction:column;gap:8px}.hlut-field-time{flex:1 1 300px}.hlut-field-tz{flex:1 1 180px}.hlut-label{font-size:.68rem;font-weight:700;letter-spacing:1.2px;color:var(--hlut-muted)}.hlut-input{background:var(--hlut-input-bg);border:1.5px solid var(--hlut-border);border-radius:var(--hlut-radius-sm);padding:13px 14px;font-family:var(--hlut-font);font-size:1rem;color:var(--hlut-text);outline:none;transition:border-color .2s,box-shadow .2s;width:100%;box-sizing:border-box}.hlut-input:focus{border-color:var(--hlut-primary);box-shadow:0 0 0 3px rgb(26 107 85 / .15)}.hlut-input-sm{width:72px;text-align:center;padding:13px 8px;font-size:1.1rem;font-weight:600}.hlut-input-sm::-webkit-inner-spin-button,.hlut-input-sm::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.hlut-input-sm{-moz-appearance:textfield}.hlut-select{cursor:pointer}.hlut-time-inputs{display:flex;align-items:center;gap:8px}.hlut-time-group{display:flex;flex-direction:column;align-items:center;gap:4px}.hlut-time-label{font-size:.6rem;font-weight:700;letter-spacing:1px;color:var(--hlut-muted)}.hlut-colon{font-size:1.5rem;font-weight:800;color:var(--hlut-primary);margin-bottom:18px;line-height:1}.hlut-ampm-toggle{display:flex;flex-direction:column;gap:4px;margin-left:4px}.hlut-ampm-btn{background:var(--hlut-input-bg);border:1.5px solid var(--hlut-border);border-radius:8px;padding:6px 12px;font-size:.78rem;font-weight:700;color:var(--hlut-muted);cursor:pointer;transition:all .18s;letter-spacing:.5px}.hlut-ampm-btn.active,.hlut-ampm-btn:hover{background:var(--hlut-primary);border-color:var(--hlut-primary);color:#fff}.hlut-quick-section{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}.hlut-quick-label{font-size:.68rem;font-weight:700;letter-spacing:1.2px;color:var(--hlut-muted)}.hlut-quick-btns{display:flex;flex-wrap:wrap;gap:8px}.hlut-quick-btn{background:var(--hlut-input-bg);border:1.5px solid var(--hlut-border);border-radius:50px;padding:7px 16px;font-size:.82rem;font-weight:600;color:var(--hlut-text);cursor:pointer;transition:all .18s}.hlut-quick-btn:hover,.hlut-quick-btn.selected{background:var(--hlut-accent-lt);border-color:var(--hlut-accent);color:var(--hlut-primary-dk)}.hlut-calc-btn{width:100%;background:var(--hlut-primary);color:#fff;border:none;border-radius:var(--hlut-radius-sm);padding:16px 24px;font-family:var(--hlut-font);font-size:1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .2s,transform .1s,box-shadow .2s;box-shadow:0 4px 14px rgb(26 107 85 / .28)}.hlut-calc-btn:hover{background:var(--hlut-primary-dk);box-shadow:0 6px 20px rgb(26 107 85 / .36);transform:translateY(-1px)}.hlut-calc-btn:active{transform:translateY(0)}.hlut-result-card{text-align:center}.hlut-result-headline{font-size:1rem;font-weight:700;color:var(--hlut-muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:24px}.hlut-countdown-grid{display:flex;align-items:center;justify-content:center;gap:4px;margin-bottom:28px;flex-wrap:wrap}.hlut-unit-box{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--hlut-primary);border-radius:14px;padding:20px 18px 16px;min-width:80px}.hlut-unit-num{font-family:var(--hlut-font-mono);font-size:2.4rem;font-weight:800;color:#fff;line-height:1;letter-spacing:-1px;min-width:2ch;text-align:center}.hlut-unit-label{font-size:.6rem;font-weight:700;color:rgb(255 255 255 / .65);letter-spacing:1.5px}.hlut-sep{font-size:2rem;font-weight:800;color:var(--hlut-primary);padding-bottom:18px;line-height:1}.hlut-stats-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}.hlut-stat-box{background:var(--hlut-input-bg);border:1.5px solid var(--hlut-border);border-radius:var(--hlut-radius-sm);padding:14px 18px;text-align:center;flex:1 1 120px}.hlut-stat-num{font-family:var(--hlut-font-mono);font-size:1.3rem;font-weight:800;color:var(--hlut-primary);line-height:1.2}.hlut-stat-label{font-size:.6rem;font-weight:700;letter-spacing:1px;color:var(--hlut-muted);margin-top:4px}.hlut-progress-wrap{margin-bottom:22px;text-align:left}.hlut-progress-labels{display:flex;justify-content:space-between;font-size:.72rem;color:var(--hlut-muted);font-weight:600;margin-bottom:6px}.hlut-progress-track{width:100%;height:10px;background:var(--hlut-border);border-radius:50px;position:relative;overflow:visible}.hlut-progress-fill{height:100%;background:linear-gradient(90deg,var(--hlut-accent),var(--hlut-primary));border-radius:50px;transition:width .6s ease}.hlut-progress-marker{position:absolute;top:50%;transform:translate(-50%,-50%);width:18px;height:18px;background:var(--hlut-primary);border:3px solid #fff;border-radius:50%;box-shadow:0 2px 8px rgb(26 107 85 / .35);transition:left .6s ease}.hlut-human-text{background:var(--hlut-accent-lt);border:1.5px solid var(--hlut-accent);border-radius:var(--hlut-radius-sm);padding:14px 18px;font-size:.92rem;color:var(--hlut-primary-dk);font-weight:500;line-height:1.5;margin-bottom:22px;text-align:left}.hlut-reset-btn{background:#fff0;border:1.5px solid var(--hlut-border);color:var(--hlut-muted);border-radius:var(--hlut-radius-sm);padding:11px 22px;font-family:var(--hlut-font);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .18s}.hlut-reset-btn:hover{border-color:var(--hlut-primary);color:var(--hlut-primary);background:var(--hlut-accent-lt)}.hlut-arrived-card{text-align:center;padding:48px 28px}.hlut-arrived-icon{font-size:3.5rem;margin-bottom:12px}.hlut-arrived-title{font-size:2rem;font-weight:800;color:var(--hlut-primary);margin-bottom:8px}.hlut-arrived-sub{font-size:1rem;color:var(--hlut-muted);margin-bottom:28px}@media (max-width:520px){.hlut-wrapper{padding:20px 14px 28px}.hlut-card{padding:20px 16px}.hlut-title{font-size:1.3rem}.hlut-unit-box{min-width:60px;padding:14px 10px 12px}.hlut-unit-num{font-size:1.7rem}.hlut-sep{font-size:1.4rem;padding-bottom:12px}.hlut-field-time,.hlut-field-tz{flex:1 1 100%}}@media (prefers-reduced-motion:reduce){.hlut-calc-btn,.hlut-progress-fill,.hlut-progress-marker{transition:none}}