:root{color-scheme:dark;--bg:#0b121c;--panel:#151f2c;--panel2:#1a2634;--line:#2b3948;--text:#f2f6ef;--muted:#9bacb7;--accent:#ccff65;--accent-dark:#243b12;--cyan:#8ad7e5;--danger:#ff8e8e;font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 85% 0%,#1c3440 0%,transparent 30%),var(--bg);color:var(--text);line-height:1.5}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.52}.visually-hidden{position:absolute;clip-path:inset(50%);overflow:hidden;width:1px;height:1px;margin:-1px;padding:0;border:0;white-space:nowrap}
.page-shell{max-width:1480px;margin:auto;padding:0 clamp(18px,4vw,60px)}.site-header{min-height:94px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff1f;gap:20px}.brand{display:inline-flex;align-items:center;gap:13px}.brand-mark{width:42px;height:42px;background:var(--accent);border-radius:12px;display:flex;align-items:flex-end;gap:3px;padding:10px 9px;transform:skew(-8deg)}.brand-mark span{width:6px;background:#142112;border-radius:3px 3px 0 0;transform:skew(-12deg)}.brand-mark span:nth-child(1){height:12px}.brand-mark span:nth-child(2){height:19px}.brand-mark span:nth-child(3){height:26px}.brand-type{display:flex;flex-direction:column;line-height:1}.brand-type strong{font-size:1.35rem;letter-spacing:.12em;font-weight:900}.brand-type small{margin-top:5px;color:var(--muted);font-size:.67rem;letter-spacing:.22em}.header-actions{display:flex;align-items:center;gap:14px}.status-pill{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:.78rem;white-space:nowrap}.status-dot{width:7px;height:7px;background:var(--muted);border-radius:50%}.status-pill.online .status-dot{background:var(--accent);box-shadow:0 0 0 4px #ccff6526}.status-pill.offline .status-dot{background:#f1a36b}.button{border:1px solid transparent;border-radius:10px;min-height:48px;padding:0 18px;font-size:.9rem;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:12px;white-space:nowrap;transition:transform .15s,background .15s,border-color .15s}.button:not(:disabled):hover{transform:translateY(-2px)}.button-primary{background:var(--accent);color:#15200d}.button-primary:hover{background:#d9ff93}.button-secondary{background:#293d4c;color:var(--text);border-color:#405668}.button-secondary:hover{background:#345064}.button-outline{background:transparent;border-color:#597077;color:var(--text)}.button-outline:hover{border-color:var(--accent)}.button-small{min-height:39px;padding:0 14px;font-size:.8rem}.button-full{width:100%}
.masthead{position:relative;min-height:350px;padding:48px 0 44px;display:flex;align-items:center;justify-content:space-between;overflow:hidden;border-bottom:1px solid #ffffff1f}.masthead::before{content:"";position:absolute;right:3%;top:-130px;width:570px;height:570px;border:1px solid #ffffff12;border-radius:50%}.masthead::after{content:"";position:absolute;right:9%;top:-55px;width:420px;height:420px;border:1px dashed #ffffff10;border-radius:50%}.masthead-copy{position:relative;z-index:1;max-width:740px}.eyebrow,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.eyebrow-line{width:22px;height:2px;background:var(--accent)}h1,h2,p{margin-top:0}h1{font-size:clamp(2.9rem,5.7vw,5.6rem);line-height:1.12;letter-spacing:-.055em;margin:20px 0 19px;font-weight:850}h1 em{font-style:normal;color:var(--accent)}.masthead-copy>p{max-width:520px;color:#b8c7d0;font-size:1rem;line-height:1.8;margin-bottom:23px}.masthead-tags{display:flex;flex-wrap:wrap;gap:9px}.masthead-tags span{border:1px solid #718b7760;color:#a7caa8;border-radius:99px;padding:6px 12px;font-size:.72rem}.gauge{position:relative;width:330px;height:250px;flex:none;margin-right:clamp(0px,5vw,70px);z-index:1}.gauge-ring{width:270px;height:270px;border-radius:50%;position:absolute;top:0;left:30px;background:conic-gradient(from 210deg,var(--accent) 0deg 196deg,#50777f 196deg 245deg,#263e4b 245deg 298deg,transparent 298deg 360deg);mask:radial-gradient(farthest-side,transparent 72%,#000 73%);filter:drop-shadow(0 0 26px #ccff6533)}.gauge-core{position:absolute;inset:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;mask:none;color:var(--text)}.gauge-core .gauge-icon{font-size:2.4rem;color:var(--accent);line-height:1}.gauge-core strong{font-size:1.65rem;letter-spacing:.18em}.gauge-core small{font-size:.5rem;letter-spacing:.22em;color:var(--muted)}.gauge-tick{position:absolute;height:1px;background:#67848d;width:30px}.tick-one{top:204px;left:8px;transform:rotate(27deg)}.tick-two{top:75px;left:1px;transform:rotate(-32deg)}.tick-three{top:74px;right:0;transform:rotate(32deg)}.gauge-label{position:absolute;bottom:-18px;left:116px;font-size:.67rem;letter-spacing:.22em;color:#77919d}
.workspace{display:grid;grid-template-columns:minmax(270px,305px) minmax(0,1fr);gap:24px;padding:32px 0 70px}.sidebar,.content-column{display:flex;flex-direction:column;gap:22px;min-width:0}.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px}.panel h2,.content-heading h2{font-size:1.35rem;line-height:1.25;letter-spacing:-.02em;margin:10px 0 8px}.section-description{font-size:.82rem;color:var(--muted);line-height:1.7;margin-bottom:23px}.kicker-num{color:#72969d;letter-spacing:0}.vehicle-panel{background:linear-gradient(156deg,#1b2d37,var(--panel) 50%)}label{display:block;color:#d7e2e2;font-size:.78rem;font-weight:700;margin-bottom:7px}.required{color:var(--accent)}.optional{color:var(--muted);font-weight:400}.field-hint{display:block;font-size:.7rem;color:var(--muted);margin-bottom:8px;line-height:1.5}.input-row{display:flex;gap:7px}.input-row input{min-width:0;flex:1}.input-row .button{padding:0 14px}input{width:100%;min-height:48px;padding:11px 14px;border:1px solid #48606c;border-radius:9px;background:#0e1925;color:var(--text);font-size:1rem;outline:none}input::placeholder{color:#778a95}input:user-invalid{border-color:var(--danger);background:#291d28}input:focus{border-color:var(--accent)}.saved-heading{display:flex;align-items:center;justify-content:space-between;margin:25px 0 10px;padding-top:20px;border-top:1px solid var(--line);font-size:.75rem;font-weight:750}.saved-heading span:last-child{font-weight:500;color:var(--muted)}.plate-list{display:grid;gap:8px}.plate-choice{min-height:45px;width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:0 13px;border:1px solid var(--line);border-radius:9px;background:#111d28;color:#c9d7dc;font-weight:750;letter-spacing:.04em}.plate-choice:hover{border-color:#7a9e8b}.plate-choice.active{background:#cfff6417;border-color:#badf72;color:var(--accent)}.plate-choice small{font-size:.66rem;letter-spacing:0;font-weight:500;color:var(--muted)}.plate-choice.active small{color:var(--accent)}.list-empty{color:#879aa7;font-size:.75rem;line-height:1.6;border:1px dashed #42606b;padding:13px;border-radius:9px}.cloud-panel{background:#121c29}.cloud-state{font-size:.75rem;color:var(--cyan);background:#8ad7e510;border:1px solid #8ad7e534;border-radius:9px;padding:10px 11px;margin-bottom:16px;line-height:1.5}.cloud-state.connected{color:var(--accent);background:#ccff6510;border-color:#ccff6540}.cloud-state.error{color:var(--danger);background:#ff8e8e11;border-color:#ff8e8e55}.password-wrap{position:relative}.password-wrap input{padding-right:68px}.reveal-button{position:absolute;right:6px;top:6px;min-width:52px;height:36px;border:0;background:transparent;color:var(--muted);font-size:.72rem}.cloud-panel .button-full{margin-top:12px}.text-button{border:0;background:transparent;padding:2px 0;color:var(--cyan);font-size:.75rem;text-decoration:underline;text-underline-offset:3px}.privacy-note{font-size:.7rem;color:#80939f;line-height:1.6;margin:17px 0 0}
.content-heading{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:19px}.content-heading h2{margin-bottom:0}.active-plate,.helper-badge{border:1px solid var(--line);border-radius:99px;padding:8px 12px;color:var(--muted);font-size:.72rem;white-space:nowrap}.active-plate.selected{color:var(--accent);border-color:#ccff6555;background:#ccff650e}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.stat-card{position:relative;overflow:hidden;min-height:155px;padding:21px 19px;background:var(--panel);border:1px solid var(--line);border-radius:15px}.stat-featured{background:linear-gradient(135deg,#d8ff84,var(--accent));border-color:var(--accent);color:#14210f}.stat-label{display:block;font-size:.75rem;color:var(--muted);font-weight:650}.stat-featured .stat-label{color:#3b522b}.stat-value{display:flex;align-items:baseline;gap:5px;white-space:nowrap;margin-top:22px}.stat-value strong{font-size:clamp(1.6rem,2.5vw,2.4rem);letter-spacing:-.055em;line-height:1;font-weight:800}.stat-value span{font-size:.67rem;color:var(--muted)}.stat-featured .stat-value span{color:#506340}.stat-foot{margin-top:15px;color:#8297a1;font-size:.67rem}.stat-featured .stat-foot{color:#587041}.stat-decoration{position:absolute;right:16px;top:10px;font-size:2.5rem;font-weight:300;opacity:.38}.entry-panel,.history-panel{padding:28px}.fields-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.field-wide{grid-column:1/-1}.unit-input{position:relative}.unit-input input{padding-right:60px}.unit-input span{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:.78rem;color:#8fa3ac}.form-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:25px;padding-top:22px;border-top:1px solid var(--line)}.instant-result{display:flex;flex-direction:column;gap:2px}.instant-result>span:first-child{color:var(--muted);font-size:.72rem}.instant-result strong{color:var(--accent);font-size:1.8rem;line-height:1.25;letter-spacing:-.03em}.instant-result strong small{font-size:.62rem;letter-spacing:0;font-weight:500}.instant-result>span:last-child{color:var(--muted);font-size:.72rem}.form-actions{display:flex;align-items:center;gap:8px}.save-button{min-width:176px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}th{padding:13px 11px;border-bottom:1px solid #41515d;font-size:.71rem;color:#8da2ad;font-weight:650}td{padding:14px 11px;border-bottom:1px solid #273745;font-size:.8rem;color:#d5e1e4}th:first-child,td:first-child{padding-left:0}th:last-child,td:last-child{padding-right:0;text-align:right}.row-date{display:block;font-weight:750}.row-note{display:block;margin-top:3px;color:#8295a1;font-size:.68rem;max-width:190px;overflow:hidden;text-overflow:ellipsis}.consumption-cell{font-weight:800;color:var(--accent)}.row-action{border:0;background:transparent;color:var(--cyan);font-size:.72rem;padding:9px 6px}.row-action.danger{color:#efaaab}.row-action:hover{text-decoration:underline}.empty-state{text-align:center;padding:45px 15px 34px;color:var(--muted)}.empty-state strong{display:block;color:#dbe7e7;font-size:.96rem}.empty-state p{font-size:.76rem;margin:7px 0 0}.empty-icon{display:block;font-size:3rem;color:#75a49b;line-height:1;margin-bottom:14px}.site-footer{border-top:1px solid #ffffff1f;display:flex;justify-content:space-between;gap:15px;padding:26px 0 33px;color:#7e939e;font-size:.7rem;letter-spacing:.02em}.site-footer span:first-child{font-weight:800;color:#b6c9d1}.notice{position:fixed;bottom:24px;right:24px;z-index:30;max-width:min(400px,calc(100vw - 32px));background:#e5fbb1;color:#193018;padding:13px 18px;border-radius:10px;box-shadow:0 15px 50px #0007;font-size:.86rem;font-weight:700}.notice.error{background:#ffe0dc;color:#5f2022}.noscript{position:fixed;inset:auto 10px 10px;background:#ffedaa;color:#34270a;padding:20px;z-index:99}
@media(max-width:1100px){.gauge{margin-right:0;transform:scale(.87);transform-origin:center right}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-card{min-height:145px}}
@media(max-width:860px){.workspace{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.gauge{width:260px;transform:scale(.72)}.masthead{min-height:320px}}
@media(max-width:640px){.site-header{min-height:75px}.brand-mark{width:37px;height:37px}.brand-type strong{font-size:1.14rem}.brand-type small{font-size:.58rem}.status-pill{font-size:0;padding:9px}.status-dot{width:9px;height:9px}.header-actions{gap:7px}.button-small{font-size:.72rem;padding:0 10px}.masthead{padding:36px 0;min-height:0}.masthead-copy>p{font-size:.87rem}.gauge{display:none}.workspace{padding-top:22px;gap:22px}.sidebar{display:flex}.panel{padding:22px}.content-heading{align-items:start}.content-heading h2{font-size:1.18rem}.stats-grid{gap:9px}.stat-card{min-height:135px;padding:15px}.stat-value{margin-top:19px}.stat-value strong{font-size:1.75rem}.stat-value span{font-size:.58rem}.stat-foot{font-size:.62rem}.fields-grid{gap:14px}.form-bottom{align-items:stretch;flex-direction:column}.form-actions{justify-content:flex-end}.save-button{flex:1}.site-footer{flex-wrap:wrap}.site-footer span:nth-child(2){display:none}}
@media(max-width:390px){.fields-grid{grid-template-columns:1fr}.field-wide{grid-column:auto}.active-plate{font-size:.63rem}.stat-value strong{font-size:1.5rem}.stat-value span{font-size:.52rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
.gauge-ring{background:none;mask:none}.gauge-ring::before{content:"";position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 210deg,var(--accent) 0deg 196deg,#50777f 196deg 245deg,#263e4b 245deg 298deg,transparent 298deg 360deg);mask:radial-gradient(farthest-side,transparent 72%,#000 73%)}
.masthead-copy{min-width:0}.masthead-copy>p{max-width:100%;overflow-wrap:anywhere}
@media(max-width:640px){.header-actions .button-small{width:39px;min-width:39px;padding:0;font-size:0;gap:0}.header-actions .button-small span{font-size:.95rem}}
[hidden]{display:none!important}
.account-panel{background:linear-gradient(156deg,#1b2d37,var(--panel) 55%)}
.workspace:has(> .content-column[hidden]){grid-template-columns:minmax(0,560px);justify-content:center}
.workspace:has(> .content-column[hidden]) .sidebar{display:flex}
.auth-switch{display:grid;grid-template-columns:1fr 1fr;gap:5px;padding:4px;margin-bottom:19px;border:1px solid var(--line);border-radius:11px;background:#0e1925}
.auth-tab{min-height:39px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-weight:750}
.auth-tab.active{background:#ccff651a;color:var(--accent)}
.account-panel form>input,.legacy-details form>input{margin-bottom:15px}
.account-panel .password-wrap{margin-bottom:15px}
.auth-submit{margin-top:8px}
.import-panel{background:#121c29}
.import-panel .section-description{margin-bottom:15px}
.legacy-details{margin-top:18px;padding-top:15px;border-top:1px solid var(--line)}
.legacy-details summary{cursor:pointer;color:var(--cyan);font-size:.8rem;font-weight:700}
.legacy-details form{margin-top:15px}
.legacy-details .button{margin-top:4px}
.fuel-choice{min-width:0;margin:0;padding:0;border:0}
.fuel-choice legend{display:block;width:100%;padding:0;margin-bottom:7px;color:#d7e2e2;font-size:.78rem;font-weight:700}
.grade-options{display:flex;gap:8px}
.grade-options label{display:flex;align-items:center;justify-content:center;gap:7px;min-height:48px;flex:1;margin:0;padding:0 9px;border:1px solid #48606c;border-radius:9px;background:#0e1925;color:var(--text);cursor:pointer;font-size:.93rem;font-weight:800}
.grade-options label:has(input:checked){border-color:var(--accent);background:#ccff6519;color:var(--accent)}
.grade-options input[type=radio]{width:18px;height:18px;min-height:18px;margin:0;padding:0;accent-color:var(--accent);flex:none}
@supports not (accent-color: #ccff65){.grade-options input[type=radio]{appearance:none;border:2px solid #91a6ab;border-radius:50%;background:#0e1925}.grade-options input[type=radio]:checked{border-color:var(--accent);background:var(--accent);box-shadow:inset 0 0 0 3px #0e1925}}
.grade-options label:focus-within{outline:3px solid var(--accent);outline-offset:3px}
@media(max-width:640px){.grade-options label{min-height:52px}}
.history-panel,.table-scroll{min-width:0;max-width:100%}
.history-panel{overflow:hidden}
.table-scroll{width:100%}
@media(max-width:860px){.workspace{grid-template-columns:minmax(0,1fr)}}
@media(max-width:640px){.header-actions .status-pill{max-width:126px;padding:8px 7px;font-size:.62rem;overflow:hidden;white-space:nowrap}.header-actions #logoutButton{width:auto;min-width:0;padding:0 8px;font-size:.66rem}}
body{overflow-x:clip}
.entry-hint{margin:-6px 0 20px;color:var(--muted);font-size:.74rem;line-height:1.6}
.cloud-panel #cloudPlateInput{margin-bottom:16px}
.unit-input input[readonly]{background:#112531;color:var(--cyan);cursor:default}