*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#eef1f8;--surface:#fff;--surface2:#f2f4fb;--border:#dde2ef;--border-strong:#c5cde3;--text:#111827;--text2:#4b5675;--text3:#8c95b0;--blue:#2563eb;--blue-bg:#eff4ff;--blue-light:#dbeafe;--green:#16a34a;--green-bg:#f0fdf4;--green-tint:#16a34a12;--amber:#b45309;--amber-bg:#fffbeb;--amber-tint:#b4530912;--red:#dc2626;--red-bg:#fef2f2;--red-tint:#dc262621;--radius:16px;--radius-sm:10px;--radius-lg:22px;--sans:"Sora",sans-serif;--mono:"Space Mono",monospace;--shadow:0 2px 12px #2563eb12,0 1px 3px #0000000d;--shadow-md:0 4px 20px #2563eb1a,0 2px 6px #00000012;--shadow-lg:0 12px 40px #2563eb24,0 3px 10px #00000017}body{font-family:var(--sans);background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.5}header{background:var(--surface);border-bottom:1px solid var(--border);z-index:50;height:62px;box-shadow:var(--shadow);align-items:center;gap:14px;padding:0 2rem;display:flex;position:sticky;top:0}.logo{color:var(--text);flex:1;align-items:center;gap:12px;font-size:16px;font-weight:700;display:flex}.logo-wordmark{letter-spacing:-.4px;align-items:baseline;font-size:17px;font-weight:800;line-height:1;display:inline-flex}.logo-main{color:var(--text)}.logo-accent{color:var(--blue)}.logo-icon{background:linear-gradient(135deg,#2563eb,#7c3aed);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;display:flex;box-shadow:0 3px 10px #2563eb4d}.logo-icon svg{display:block}.btn-share{font-family:var(--sans);border-radius:var(--radius-sm);color:#fff;cursor:pointer;background:linear-gradient(135deg,#2563eb,#7c3aed);border:none;align-items:center;gap:7px;padding:9px 18px;font-size:13px;font-weight:700;transition:all .18s;display:inline-flex;box-shadow:0 3px 12px #2563eb47}.btn-share:hover{transform:translateY(-1px);box-shadow:0 6px 20px #2563eb61}.btn-share.copied{background:linear-gradient(135deg,#16a34a,#059669)}main{max-width:1020px;margin:0 auto;padding:2rem 1.5rem}.section-label{text-transform:uppercase;letter-spacing:.1em;color:var(--text3);margin-bottom:14px;font-size:10.5px;font-weight:700}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:1.25rem;padding:1.5rem 1.75rem}.when-row{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:1.5rem;display:flex}.big-input{font-family:var(--sans);color:var(--text);background:var(--surface2);border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;outline:none;padding:12px 18px;font-size:24px;font-weight:700;transition:border-color .15s,box-shadow .15s}.big-input:focus{border-color:var(--blue);box-shadow:0 0 0 4px #2563eb1a}.row-right{align-items:center;gap:10px;margin-left:auto;display:flex}.btn-24{font-family:var(--sans);border:2px solid var(--border);background:var(--surface);color:var(--text2);cursor:pointer;white-space:nowrap;border-radius:7px;padding:8px 13px;font-size:12px;font-weight:700;transition:all .15s}.btn-24:hover{border-color:var(--blue);color:var(--blue)}.btn-24.active{border-color:var(--blue);background:var(--blue-bg);color:var(--blue)}#baseLbl{color:var(--text3);white-space:nowrap;font-size:13px;font-weight:600}.slider-row{align-items:center;gap:12px;display:flex}.step-btn{border:2px solid var(--border);background:var(--surface);width:38px;height:38px;color:var(--text2);cursor:pointer;-webkit-user-select:none;user-select:none;box-shadow:var(--shadow);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:22px;font-weight:300;line-height:1;transition:all .15s;display:flex}.step-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-bg);box-shadow:0 2px 8px #2563eb33}.step-btn:active{transform:scale(.9)}.slider-wrap{flex:1}input[type=range]{appearance:none;background:linear-gradient(to right,var(--blue) 0%,var(--blue) var(--pct,50%),var(--border) var(--pct,50%));cursor:pointer;border-radius:3px;outline:none;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--surface);border:3px solid var(--blue);cursor:pointer;border-radius:50%;width:24px;height:24px;transition:transform .1s;box-shadow:0 2px 8px #2563eb4d}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}input[type=range]::-moz-range-thumb{background:var(--surface);border:3px solid var(--blue);cursor:pointer;border-radius:50%;width:24px;height:24px}.slider-labels{color:var(--text3);font-size:10px;font-family:var(--mono);justify-content:space-between;margin-top:8px;display:flex}.legend{color:var(--text3);flex-wrap:wrap;gap:18px;margin-bottom:1.25rem;font-size:12px;display:flex}.legend-item{align-items:center;gap:7px;display:flex}.legend-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.grid-outer{align-items:flex-start;gap:12px;margin-bottom:1.25rem;display:flex}.grid{flex:1;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;display:grid}.zone-card{border:2px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:1.3rem 1.4rem 1.5rem;transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;overflow:hidden}.zone-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}.zone-card:after{content:"";border-radius:0 0 14px 14px;height:5px;position:absolute;bottom:0;left:0;right:0}.zone-card.s-work{background:var(--green-tint);border-color:#16a34a4d}.zone-card.s-work:after{background:var(--green)}.zone-card.s-early{background:var(--amber-tint);border-color:#b4530940}.zone-card.s-early:after{background:var(--amber)}.zone-card.s-night{background:#fff5f5;border-color:#dc262673}.zone-card.s-night:after{background:var(--red)}.zone-card.s-night .card-time{color:#b91c1c}.zone-card.base-card{box-shadow:0 0 0 1px #2563eb26,var(--shadow-md)!important;background:#2563eb0a!important;border-color:#2563eb73!important}.zone-card.base-card:after{background:linear-gradient(90deg,#2563eb,#7c3aed)!important}.card-flag{margin-bottom:10px;font-size:40px;line-height:1;display:block}.card-city{color:var(--text);margin-bottom:2px;padding-right:60px;font-size:21px;font-weight:800;line-height:1.2}.card-meta{color:var(--text3);margin-bottom:14px;font-size:12px;font-weight:600}.card-time{font-family:var(--mono);color:var(--text);letter-spacing:-1px;margin-bottom:8px;font-size:38px;font-weight:700;line-height:1}.card-date{color:var(--text2);margin-bottom:10px;font-size:15px;font-weight:700}.badge{border-radius:20px;align-items:center;padding:3px 10px;font-size:10.5px;font-weight:700;display:inline-flex}.b-base{background:var(--blue-bg);color:var(--blue)}.b-same{background:var(--green-bg);color:var(--green)}.b-next{background:var(--amber-bg);color:var(--amber)}.b-prev{background:var(--red-bg);color:var(--red)}.card-actions{gap:5px;display:flex;position:absolute;top:12px;right:12px}.card-action-btn{background:var(--surface);border:1.5px solid var(--border);cursor:pointer;color:var(--text3);font-size:10.5px;font-family:var(--sans);white-space:nowrap;border-radius:6px;padding:3px 7px;font-weight:700;transition:all .15s}.card-action-btn:hover{border-color:var(--border-strong);color:var(--text2);background:var(--surface2)}.btn-make-base{color:var(--blue);background:var(--blue-bg);border-color:#2563eb4d}.btn-make-base:hover{background:var(--blue);color:#fff;border-color:var(--blue)}.btn-remove:hover{color:var(--red);background:var(--red-bg);border-color:#dc262666}.zone-card.empty-slot{background:var(--surface);border:2px dashed var(--border-strong);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;min-height:220px;transition:all .2s;display:flex}.zone-card.empty-slot:hover{border-color:var(--blue);background:var(--blue-bg);transform:translateY(-3px);box-shadow:0 4px 18px #2563eb26}.zone-card.empty-slot:after{display:none}.empty-plus{background:var(--surface2);border:2px solid var(--border);width:44px;height:44px;color:var(--text3);border-radius:50%;justify-content:center;align-items:center;margin-bottom:12px;font-size:24px;transition:all .2s;display:flex}.zone-card.empty-slot:hover .empty-plus{background:var(--blue);border-color:var(--blue);color:#fff}.empty-label{color:var(--text3);font-size:14px;font-weight:700}.empty-sub{color:var(--text3);opacity:.7;margin-top:3px;font-size:11px}.zone-card.empty-slot:hover .empty-label,.zone-card.empty-slot:hover .empty-sub{color:var(--blue)}.date-stepper{background:var(--surface2);border:2px solid var(--border);border-radius:var(--radius-sm);align-items:center;gap:0;transition:border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.date-stepper:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px #2563eb1a}.date-step-btn{width:36px;height:100%;color:var(--text3);cursor:pointer;-webkit-user-select:none;user-select:none;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0 6px;font-size:20px;font-weight:300;transition:all .15s;display:flex}.date-step-btn:hover{color:var(--blue);background:#2563eb14}.date-step-btn:active{background:#2563eb26;transform:scale(.9)}.date-stepper input[type=date]{box-shadow:none;background:0 0;border:none;border-radius:0;padding:12px 6px}.date-stepper input[type=date]:focus{box-shadow:none;border-color:#0000}.map-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:1.25rem;overflow:hidden}.map-card-head{padding:1.25rem 1.75rem 0}.map-canvas-wrap{background:#c8ddf0;width:100%;position:relative}#worldMapSvg{aspect-ratio:2;width:100%;display:block}.map-legend-overlay{pointer-events:none;flex-direction:column;gap:5px;display:flex;position:absolute;bottom:10px;right:14px}.mlo-item{font-family:var(--sans);color:#1e325ab3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffffa6;border-radius:20px;align-items:center;gap:6px;padding:3px 8px;font-size:10px;font-weight:600;display:flex}.mlo-dot{background:#2563eb;border-radius:50%;flex-shrink:0;width:8px;height:8px}.mlo-night{background:#0a143c73;border-radius:2px;flex-shrink:0;width:14px;height:8px}.map-tip{border:1.5px solid var(--border-strong);pointer-events:none;opacity:0;z-index:20;white-space:nowrap;background:#fffffff5;border-radius:10px;padding:9px 13px;font-size:12px;transition:opacity .15s;position:absolute;box-shadow:0 4px 18px #2563eb26}.map-tip .tt-flag{font-size:18px;line-height:1}.map-tip .tt-city{color:var(--text);font-size:13px;font-weight:800}.map-tip .tt-time{font-family:var(--mono);color:var(--blue);margin-top:2px;font-size:14px;font-weight:700}.map-tip .tt-date{color:var(--text3);margin-top:1px;font-size:11px}.map-tip .tt-off{color:var(--text3);font-size:11px}.map-loading{color:var(--text3);pointer-events:none;background:#c8ddf0b3;justify-content:center;align-items:center;font-size:13px;font-weight:600;transition:opacity .3s;display:flex;position:absolute;inset:0}.map-loading.hidden{opacity:0}.max-note{color:var(--text3);margin-top:8px;font-size:12px}.cal-title-row{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:1rem;display:flex}.cal-input{font-family:var(--sans);background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none;flex:1;min-width:180px;padding:10px 14px;font-size:14px;font-weight:600;transition:border-color .15s,box-shadow .15s}.cal-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2563eb1a}.cal-input::placeholder{color:var(--text3);font-weight:400}.cal-duration{font-family:var(--sans);background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer;outline:none;padding:10px 12px;font-size:13px;font-weight:600}.cal-duration:focus{border-color:var(--blue)}.cal-buttons{flex-wrap:wrap;gap:10px;display:flex}.cal-btn{font-family:var(--sans);border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--surface);color:var(--text2);cursor:pointer;align-items:center;gap:7px;padding:9px 16px;font-size:13px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex;box-shadow:0 1px 3px #0000000d}.cal-btn:hover{border-color:var(--border-strong);color:var(--text)}.cal-btn-google:hover{color:#4285f4;background:#f0f4ff;border-color:#4285f4}.cal-btn-outlook:hover{color:#0078d4;background:#f0f7ff;border-color:#0078d4}.cal-btn-teams{background:var(--surface);color:var(--text);border:1px solid var(--border)}.cal-btn-teams:hover{color:#0078d4;background:#f0f7ff;border-color:#0078d4}.cal-btn-ics:hover{border-color:var(--green);color:var(--green);background:var(--green-bg)}.cal-preview{border-top:1px solid var(--border);flex-wrap:wrap;gap:8px;margin-top:1rem;padding-top:1rem;display:flex}.cal-zone-chip{background:var(--surface2);border:1px solid var(--border);white-space:nowrap;border-radius:10px;padding:7px 13px;font-size:12px}.chip-city{color:var(--text3);margin-bottom:1px;font-size:10.5px;font-weight:700;display:block}.chip-time{color:var(--text);font-family:var(--mono);font-size:12px}.footer{border-top:1px solid var(--border);background:var(--surface);margin-top:2rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;max-width:1020px;margin:0 auto;padding:1.1rem 1.5rem;display:flex}.footer-brand{flex-direction:column;gap:2px;display:flex}.footer-logo{color:var(--text);font-size:13px;font-weight:800;line-height:1.2}.footer-tagline{color:var(--text3);font-size:11px;line-height:1.3}.footer-meta{color:var(--text3);flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;display:flex}.footer-meta a{color:var(--text3);font-weight:600;text-decoration:none;transition:color .15s}.footer-meta a:hover{color:var(--blue)}.footer-copy{color:var(--text3);margin-left:6px;font-size:11px;font-weight:600}.modal-overlay{-webkit-backdrop-filter:blur(8px);z-index:1000;opacity:0;pointer-events:none;background:#0a0f2380;justify-content:center;align-items:center;padding:1rem;transition:opacity .22s;display:flex;position:fixed;inset:0}.modal-overlay.open{opacity:1;pointer-events:all}.modal{background:var(--surface);border-radius:24px;flex-direction:column;width:100%;max-width:860px;max-height:90vh;transition:transform .22s;display:flex;overflow:hidden;transform:translateY(20px)scale(.97);box-shadow:0 24px 80px #0003,0 4px 16px #0000001a}.modal-overlay.open .modal{transform:none}.modal-head{flex-shrink:0;padding:1.4rem 1.5rem 0}.modal-top{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.modal-title{color:var(--text);font-size:19px;font-weight:800}.modal-close{background:var(--surface2);border:1.5px solid var(--border);cursor:pointer;width:34px;height:34px;color:var(--text2);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:17px;line-height:1;transition:all .15s;display:flex}.modal-close:hover{background:var(--red-bg);color:var(--red);border-color:#dc262666}.modal-search-wrap{margin-bottom:12px;position:relative}.modal-search-icon{color:var(--text3);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.modal-search{font-family:var(--sans);background:var(--surface2);border:2px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);outline:none;padding:11px 16px 11px 44px;font-size:15px;font-weight:500;transition:border-color .15s,box-shadow .15s}.modal-search:focus{border-color:var(--blue);box-shadow:0 0 0 4px #2563eb1a}.modal-search::placeholder{color:var(--text3)}.region-tabs{scrollbar-width:none;gap:6px;padding-bottom:12px;display:flex;overflow-x:auto}.region-tabs::-webkit-scrollbar{display:none}.region-tab{font-family:var(--sans);border:1.5px solid var(--border);background:var(--surface);color:var(--text2);cursor:pointer;white-space:nowrap;border-radius:20px;flex-shrink:0;padding:6px 14px;font-size:12px;font-weight:700;transition:all .15s}.region-tab:hover{border-color:var(--blue);color:var(--blue)}.region-tab.active{background:var(--blue);border-color:var(--blue);color:#fff}.modal-body{flex:1;padding:0 1.5rem;overflow-y:auto}.modal-body::-webkit-scrollbar{width:6px}.modal-body::-webkit-scrollbar-track{background:0 0}.modal-body::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:10px}.tz-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;padding:4px 0 1rem;display:grid}.tz-card{border:1.5px solid var(--border);cursor:pointer;background:var(--surface);-webkit-user-select:none;user-select:none;border-radius:13px;padding:11px 12px;transition:all .15s;position:relative}.tz-card:hover{border-color:var(--blue);background:var(--blue-bg);transform:translateY(-1px);box-shadow:0 3px 10px #2563eb1f}.tz-card.selected{border-color:var(--blue);background:var(--blue-light)}.tz-card.selected:after{content:"✓";color:var(--blue);font-size:11px;font-weight:800;position:absolute;top:7px;right:9px}.tz-card.already-added{opacity:.4;cursor:not-allowed}.tz-card.already-added:hover{border-color:var(--border);background:var(--surface);box-shadow:none;transform:none}.tz-flag{margin-bottom:6px;font-size:22px;line-height:1;display:block}.tz-city{color:var(--text);white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:13px;font-weight:800;overflow:hidden}.tz-country{color:var(--text2);white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:10px;font-weight:600;overflow:hidden}.tz-region-label{display:none}.tz-offset{font-size:10.5px;font-family:var(--mono);color:var(--blue);font-weight:700}.tz-time{color:var(--text3);margin-top:2px;font-size:11px}.tz-added-label{color:var(--text3);margin-top:2px;font-size:9.5px;font-weight:700}.no-results{text-align:center;color:var(--text3);padding:3rem 1rem;font-size:14px}.modal-foot{border-top:1px solid var(--border);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:1rem 1.5rem;display:flex}.modal-sel-info{color:var(--text3);font-size:13px;font-weight:600}.modal-sel-info strong{color:var(--text)}.modal-sel-info em{color:var(--text3);font-style:normal}.btn-modal-add{font-family:var(--sans);border-radius:var(--radius-sm);background:var(--blue);color:#fff;cursor:pointer;border:none;padding:10px 24px;font-size:14px;font-weight:700;transition:all .18s;box-shadow:0 3px 12px #2563eb47}.btn-modal-add:hover{background:#1d4ed8}.btn-modal-add:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.toast{background:var(--text);color:#fff;opacity:0;pointer-events:none;z-index:9999;white-space:nowrap;border-radius:100px;align-items:center;gap:9px;padding:11px 20px;font-size:13px;font-weight:700;transition:opacity .22s,transform .22s;display:flex;position:fixed;bottom:28px;left:50%;transform:translate(-50%)translateY(16px);box-shadow:0 8px 24px #0003}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.toast-check{background:var(--green);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:18px;height:18px;display:flex}.hero{text-align:center;max-width:980px;margin:0 auto .5rem;padding:1.5rem 1rem 1rem;position:relative;overflow:hidden}.hero-glow{pointer-events:none;background:radial-gradient(70% 60% at 50% 0,#2563eb12 0%,#0000 70%);position:absolute;inset:0}.hero-badge{color:var(--blue);letter-spacing:.08em;text-transform:uppercase;background:#2563eb14;border:1.5px solid #2563eb33;border-radius:100px;align-items:center;gap:7px;margin-bottom:14px;padding:5px 14px;font-size:10px;font-weight:700;display:inline-flex;position:relative}.hero-title{font-family:var(--sans);letter-spacing:-1.6px;color:var(--text);white-space:nowrap;margin:0 auto 10px;font-size:clamp(28px,4.3vw,46px);font-weight:800;line-height:1.08;position:relative}.hero-highlight{white-space:nowrap;background:linear-gradient(120deg,#2563eb 0%,#7c3aed 55%,#db2777 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-style:italic;display:inline-block;position:relative}.hero-underline{width:100%;position:absolute;bottom:-4px;left:0;overflow:visible}.hero-desc{color:var(--text3);max-width:620px;margin:0 auto 22px;font-size:14px;font-weight:400;line-height:1.6;position:relative}.hero-desc strong{color:var(--text2);font-weight:700}.hero-features{flex-wrap:wrap;justify-content:center;align-items:center;gap:20px 24px;margin-top:2px;display:flex;position:relative}.hero-feature-item{align-items:center;gap:9px;display:inline-flex}.hero-feature-icon-wrap{background:#2563eb14;border:1px solid #2563eb24;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:inline-flex}.hero-feature-icon{font-size:11px;line-height:1}.hero-feature-text{color:#5f6f95;letter-spacing:-.1px;font-size:12px;font-weight:700}.base-chip{background:var(--blue-bg);white-space:nowrap;border:1.5px solid #2563eb38;border-radius:999px;align-items:center;gap:7px;padding:9px 14px 9px 11px;line-height:1;color:var(--blue)!important;font-size:12px!important;font-weight:700!important;display:inline-flex!important}@media (width<=900px){.hero-title{white-space:normal;font-size:clamp(28px,6vw,40px)}}@media (width<=640px){.hero{padding:1.4rem .75rem .8rem}.hero-badge{margin-bottom:12px}.hero-title{letter-spacing:-1.1px;font-size:clamp(26px,8vw,34px);line-height:1.12}.hero-desc{margin-bottom:12px;font-size:13px;line-height:1.5}.hero-features{gap:12px 16px}.hero-feature-text{font-size:11px}}