@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, 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components;@layer utilities{.row-2{grid-row:2}.row-3{grid-row:3}.grid{display:grid}}:root{--ink:#1e293b;--muted:#64748b;--orange:#e97833;--orange-dark:#c85f24;--cream:#f8f9fa;--paper:#f1f5f9;--line:#e2e8f0;--sidebar:#1e293b;--sidebar-hover:#334155;--sidebar-active:#e97833;--green:#22c55e;--red:#ef4444;--purple:#8b5cf6;--blue:#3b82f6;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--ink:#e2e8f0;--muted:#94a3b8;--cream:#0f172a;--paper:#1e293b;--line:#334155;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{flex-direction:column;min-height:100vh;display:flex}.header{border-bottom:1px solid var(--line);z-index:50;background:#fff;position:sticky;top:0}.sidebar-brand{flex-direction:column;flex:1;align-items:flex-start;gap:0;line-height:1;display:flex}.sidebar-brand span{color:var(--ink);letter-spacing:-.03em;white-space:nowrap;font-family:Georgia,serif;font-size:clamp(28px,4vw,42px);font-weight:800}.sidebar-brand span:last-child{color:var(--orange);font-size:clamp(28px,4vw,42px);font-weight:800}.brand-dot{display:none}.topbar{align-items:center;gap:16px;padding:12px 24px;display:flex}.topbar-left,.topbar-right{align-items:center;display:flex}.topbar-left{flex-shrink:0;gap:6px}.topbar-right{flex-wrap:wrap;flex:1;justify-content:flex-end;gap:8px}.nav-strip{scrollbar-width:thin;scrollbar-color:var(--line) transparent;justify-content:center;gap:4px;padding:4px 24px 10px;display:flex;overflow-x:auto}.nav-strip::-webkit-scrollbar{height:3px}.nav-strip::-webkit-scrollbar-track{background:0 0}.nav-strip::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}.nav-item{cursor:pointer;color:var(--muted);white-space:nowrap;background:0 0;border:0;border-radius:8px;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;transition:all .15s;display:flex;position:relative}.nav-item:hover{color:var(--ink);background:var(--paper)}.nav-item.active{color:var(--orange);background:#fff7ed}.nav-item.active:after{content:"";background:var(--orange);border-radius:2px;width:20px;height:2.5px;position:absolute;bottom:-4px;left:50%;transform:translate(-50%)}.nav-icon{place-items:center;display:grid}.nav-icon svg{width:20px;height:20px}.nav-label{letter-spacing:.01em;font-size:12px;font-weight:700}.main-area{flex-direction:column;flex:1;display:flex}.live-badge{letter-spacing:.1em;color:var(--green);background:#f0fdf4;border:1px solid #bbf7d0;border-radius:20px;align-items:center;gap:6px;padding:4px 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var(--line);background:#fff;border-radius:12px;min-width:100px;padding:20px 28px;box-shadow:0 1px 3px #0000000a}.cd-num{font-variant-numeric:tabular-nums;color:var(--ink);font-size:40px;font-weight:800;display:block}.cd-lbl{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:6px;font-size:10px;font-weight:700;display:block}.cd-sep{color:var(--muted);padding-bottom:20px;font-size:32px;font-weight:800}.shape-sel{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.shape-btn{border:1px solid var(--line);color:var(--muted);cursor:pointer;text-align:center;background:#fafbfc;border-radius:6px;padding:8px 6px;font-size:11px;font-weight:700;transition:all .12s}.shape-btn:hover{border-color:var(--orange);color:var(--orange)}.shape-btn.active{background:var(--orange);color:#fff;border-color:var(--orange)}.datepicker-wrapper{position:relative}.datepicker-input{border:1px solid var(--line);cursor:pointer;background:#fafbfc;border-radius:8px;align-items:center;gap:8px;height:44px;padding:0 12px;transition:border-color .15s,box-shadow .15s;display:flex}.datepicker-input:hover{border-color:var(--orange)}.datepicker-input.is-open{border-color:var(--orange);box-shadow:0 0 0 3px #e978331a}.datepicker-icon{width:16px;height:16px;color:var(--orange);flex-shrink:0}.datepicker-value{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;font-weight:700;overflow:hidden}.datepicker-placeholder{color:#aaa;flex:1;font-size:13px}.datepicker-chevron{color:#999;flex-shrink:0;width:14px;height:14px;transition:transform .2s}.datepicker-chevron.is-up{transform:rotate(180deg)}.datepicker-dropdown{z-index:100;border:1px solid var(--line);background:#fff;border-radius:10px;width:280px;animation:.15s ease-out dpFade;position:absolute;top:calc(100% + 6px);left:0;box-shadow:0 12px 36px #0000001a}@keyframes dpFade{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.datepicker-nav{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:12px 14px 8px;display:flex}.datepicker-nav-btn{cursor:pointer;width:28px;height:28px;color:var(--muted);background:0 0;border:0;border-radius:6px;place-items:center;transition:all .12s;display:grid}.datepicker-nav-btn:hover{color:var(--orange);background:#f1f5f9}.datepicker-nav-btn svg{width:12px;height:12px}.datepicker-nav-title{color:var(--ink);font-family:Georgia,serif;font-size:14px;font-weight:800}.datepicker-nav-title span{color:var(--orange);margin-left:4px}.datepicker-weekdays{grid-template-columns:repeat(7,1fr);padding:10px 12px 4px;display:grid}.datepicker-weekdays span{text-align:center;color:#94a3b8;letter-spacing:.04em;font-size:10px;font-weight:700}.datepicker-days{grid-template-columns:repeat(7,1fr);gap:2px;padding:4px 12px 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.12s}.datepicker-today-btn:hover{background:var(--orange);color:#fff;border-color:var(--orange)}.topbar-sep{background:var(--line);width:1px;height:20px;margin:0 4px}.tb{border:1px solid var(--line);color:var(--muted);cursor:pointer;white-space:nowrap;background:#fff;border-radius:8px;align-items:center;gap:7px;padding:7px 14px;font-size:12px;font-weight:700;transition:all .15s;display:inline-flex}.tb:hover{border-color:var(--orange);color:var(--orange);background:#fff7ed}.tb svg{flex-shrink:0;width:15px;height:15px}.tb-icon-only{padding:7px 9px}.tb-icon-only .tb-txt{display:none}.lang-picker{position:relative}.lang-btn{cursor:pointer;gap:6px}.lang-code{letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:800}.lang-menu{z-index:120;border:1px solid var(--line);background:#fff;border-radius:10px;min-width:80px;padding:4px;animation:.12s ease-out dpFade;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 8px 24px #0000001f}.lang-opt{cursor:pointer;background:0 0;border:0;border-radius:6px;justify-content:center;align-items:center;width:100%;padding:8px 14px;transition:all .1s;display:flex}.lang-opt:hover{background:#f1f5f9}.lang-opt.active{background:var(--orange)}.lang-opt.active .lang-opt-code{color:#fff}.lang-opt-code{letter-spacing:.04em;color:var(--ink);font-size:12px;font-weight:800}.modal-overlay{z-index:200;background:#00000073;place-items:center;animation:.15s ease-out modalFade;display:grid;position:fixed;inset:0}@keyframes modalFade{0%{opacity:0}to{opacity:1}}.modal-box{background:#fff;border-radius:14px;width:420px;max-width:90vw;padding:28px 32px;animation:.2s ease-out modalSlide;box-shadow:0 20px 60px #0003}@keyframes modalSlide{0%{opacity:0;transform:translateY(-12px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-title{color:var(--ink);font-family:Georgia,serif;font-size:18px;font-weight:800}.modal-close{border:1px solid var(--line);cursor:pointer;width:28px;height:28px;color:var(--muted);background:0 0;border-radius:6px;place-items:center;transition:all .12s;display:grid}.modal-close:hover{border-color:var(--red);color:var(--red);background:#fef2f2}.modal-close svg{width:14px;height:14px}.shortcut-list{flex-direction:column;gap:8px;display:flex}.shortcut-row{border-radius:8px;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.shortcut-row:hover{background:var(--paper)}.shortcut-label{color:var(--ink);font-size:13px;font-weight:600}.shortcut-keys{gap:4px;display:flex}kbd{background:var(--paper);border:1px solid var(--line);color:var(--ink);box-shadow:0 1px 0 var(--line);border-radius:5px;padding:3px 8px;font-family:inherit;font-size:11px;font-weight:700;display:inline-block}:root[data-theme=dark] body{background:var(--cream)}:root[data-theme=dark] .topbar{background:0 0}:root[data-theme=dark] .header{background:#1e293b}:root[data-theme=dark] .nav-strip{scrollbar-color:#334155 transparent}:root[data-theme=dark] .nav-item:hover{color:var(--ink);background:#334155}:root[data-theme=dark] .nav-item.active{color:var(--orange);background:#293548}:root[data-theme=dark] .tb{border-color:var(--line);background:#1e293b}:root[data-theme=dark] .tb:hover{border-color:var(--orange);background:#293548}:root[data-theme=dark] .input-card,:root[data-theme=dark] .stat-card,:root[data-theme=dark] .tz-card,:root[data-theme=dark] .tz-convert-section,:root[data-theme=dark] .info-strip,:root[data-theme=dark] .cd-unit{border-color:var(--line);background:#1e293b}:root[data-theme=dark] .n-in{border-color:var(--line);color:var(--ink);background:#0f172a}:root[data-theme=dark] .seg{border-color:var(--line);background:#0f172a}:root[data-theme=dark] .seg:not(.on){color:var(--muted)}:root[data-theme=dark] .seg:hover:not(.on){background:#1e293b}:root[data-theme=dark] .result-card{background:linear-gradient(135deg,#1a2332,#1e293b);border-color:#475569}:root[data-theme=dark] .result-card.accent-green{background:linear-gradient(135deg,#0f2920,#1e293b);border-color:#166534}:root[data-theme=dark] .result-card.accent-red{background:linear-gradient(135deg,#2a1515,#1e293b);border-color:#7f1d1d}:root[data-theme=dark] .result-card.accent-age{background:linear-gradient(135deg,#2a1525,#1e293b);border-color:#831843}:root[data-theme=dark] .copy-btn{border-color:var(--orange);color:var(--orange);background:#1e293b}:root[data-theme=dark] .copy-btn:hover{background:var(--orange);color:#fff}:root[data-theme=dark] .shape-btn{border-color:var(--line);color:var(--muted);background:#0f172a}:root[data-theme=dark] .shape-btn:hover{border-color:var(--orange);color:var(--orange)}:root[data-theme=dark] .modal-box{background:#1e293b}:root[data-theme=dark] .modal-close{border-color:var(--line);color:var(--muted)}:root[data-theme=dark] .modal-close:hover{border-color:var(--red);color:var(--red);background:#334155}:root[data-theme=dark] .shortcut-row:hover{background:#0f172a}:root[data-theme=dark] kbd{border-color:var(--line);color:var(--ink);background:#0f172a}:root[data-theme=dark] .main-footer{border-color:var(--line);color:#475569}:root[data-theme=dark] .datepicker-dropdown{border-color:var(--line);background:#1e293b}:root[data-theme=dark] .datepicker-day{color:var(--ink)}:root[data-theme=dark] .datepicker-day:hover:not(.is-selected){background:#334155}:root[data-theme=dark] .datepicker-day.is-other{color:#475569}:root[data-theme=dark] .datepicker-nav-btn:hover{background:#334155}:root[data-theme=dark] .datepicker-input{border-color:var(--line);background:#0f172a}:root[data-theme=dark] .datepicker-today-btn{border-color:var(--line);color:var(--orange)}:root[data-theme=dark] .datepicker-today-btn:hover{background:var(--orange);color:#fff}:root[data-theme=dark] .warn-box{color:#fbbf24;background:#422006;border-color:#92400e}:root[data-theme=dark] .result-inline{border-color:var(--line);background:#0f172a}:root[data-theme=dark] .tz-card.tz-local{border-color:var(--purple);background:#1e1a33}:root[data-theme=dark] .tz-local-badge{color:var(--purple);background:#2e1065}:root[data-theme=dark] .tz-result{background:#0f2920!important;border-color:#166534!important}:root[data-theme=dark] .live-badge{background:#0f2920;border-color:#166534}:root[data-theme=dark] .chk{color:var(--muted)}:root[data-theme=dark] .rule-item{color:var(--ink)}:root[data-theme=dark] .info-strip p{color:var(--muted)}:root[data-theme=dark] .lang-menu{border-color:var(--line);background:#1e293b}:root[data-theme=dark] .lang-opt:hover{background:#334155}:root[data-theme=dark] .lang-opt.active{background:var(--orange)}:root[data-theme=dark] .lang-opt-code{color:var(--ink)}.main-footer{text-align:center;color:#94a3b8;border-top:1px solid var(--line);padding:16px 32px;font-size:11px}@media (max-width:900px){.tool-grid{grid-template-columns:1fr}.tz-convert-row{grid-template-columns:1fr 1fr}.cd-inputs{grid-template-columns:1fr}.cd-unit{min-width:70px;padding:14px 18px}.cd-num{font-size:28px}.nav-label{font-size:11px}.nav-item{padding:6px 10px}.topbar{gap:10px}.tb{padding:6px 10px;font-size:11px}}@media (max-width:640px){.tool-content{padding:16px}.topbar{gap:6px;padding:8px 12px}.tb{gap:4px;padding:6px 8px}.tb-txt{display:none}.nav-strip{justify-content:flex-start;gap:2px;padding:4px 12px 6px;overflow-x:auto}.nav-label{display:none}.nav-item{min-width:40px;padding:8px}.nav-item.active:after{width:14px}.modal-box{width:90vw;padding:20px 24px}.tool-title{font-size:22px}.tz-grids{grid-template-columns:1fr 1fr}.tz-convert-row,.row-2,.row-3{grid-template-columns:1fr}.cd-display{gap:4px}.cd-unit{min-width:60px;padding:10px 12px}.cd-num{font-size:22px}}