:root{color-scheme:light;--ink:#18312c;--muted:#6a7a75;--accent:#176d58;--line:#e2e9e5;--bg:#f6f8f5;--soft:#eaf2ec;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.65}[hidden]{display:none!important}button,input,select{font:inherit}button,select{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #72ad97;outline-offset:3px}a{color:inherit;text-decoration:none}.site-header{max-width:1240px;margin:auto;padding:27px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;font-size:18px;font-weight:650;letter-spacing:-.5px}.brand-mark{display:grid;place-items:center;background:var(--ink);color:white;font-size:13px;letter-spacing:0;width:34px;height:34px;border-radius:10px}.divider{height:20px;border-left:1px solid #cdd9d2;margin:0 5px}.brand-sub{font-weight:400;font-size:14px;letter-spacing:0;color:var(--muted)}main{max-width:1176px;margin:auto;padding:0 32px;min-height:calc(100vh - 177px)}.welcome{display:grid;grid-template-columns:1fr 440px;gap:70px;align-items:center;padding:94px 0 100px;min-height:640px}.eyebrow{font-size:11px;color:var(--accent);letter-spacing:2.1px;font-weight:650;margin:0 0 20px}h1{font-size:clamp(38px,4.5vw,58px);line-height:1.3;letter-spacing:-2px;font-weight:600;margin:0 0 25px}.lead{font-size:16px;color:var(--muted);line-height:1.95}.intro-points{display:flex;gap:22px;margin-top:38px;font-size:12px;color:var(--muted)}.intro-points span:before{content:'↗';margin-right:8px;color:var(--accent)}.login-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:35px;box-shadow:0 18px 50px #243f2c06}.small-label{display:inline-block;border-radius:6px;background:var(--soft);color:var(--accent);padding:3px 9px;font-size:11px;margin-bottom:18px}h2{font-size:19px;letter-spacing:-.4px;margin:0;font-weight:600}.login-card h2{font-size:25px}.muted{color:var(--muted);font-size:12px;margin:5px 0}.login-card .muted{font-size:13px}.login-card form{margin-top:30px}label{font-size:12px;font-weight:500}.key-input{display:flex;align-items:center;border:1px solid #cfdad2;border-radius:9px;margin:9px 0 17px;background:#fcfdfb}.key-input input{min-width:0;width:100%;background:none;border:0;padding:13px 12px;font-size:14px;border-radius:9px}.reveal{background:none;border:0;color:var(--muted);font-size:12px;padding:10px 12px;white-space:nowrap}.primary{width:100%;background:var(--accent);color:#fff;border:0;padding:13px 17px;border-radius:9px;display:flex;justify-content:space-between;align-items:center}.primary:hover{background:#115644}.privacy-note{display:flex;gap:10px;border-top:1px solid var(--line);padding-top:19px;margin-top:25px;color:var(--muted);font-size:12px}.privacy-note p{margin:0}.privacy-note>span{font-size:19px}.message{padding:13px 18px;border:1px solid #eecdb8;border-radius:10px;background:#fff3e9;color:#91552e;margin:16px 0}.dashboard-heading{display:flex;justify-content:space-between;align-items:center;padding-top:44px;gap:20px}.dashboard-heading .eyebrow{margin-bottom:11px}.dash-title{font-size:33px;letter-spacing:-1px;margin:0 0 12px}.key-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.tier{background:#e4ece7;color:#436658;border:1px solid #d5e3da;padding:0 8px;border-radius:5px;font-size:11px;letter-spacing:.7px;text-transform:uppercase}.actions{display:flex;align-items:center;gap:10px}.secondary{background:#fff;border:1px solid #d4ded6;padding:8px 15px;border-radius:8px;color:var(--ink)}.secondary:hover{background:var(--soft)}.text-button{background:none;border:0;color:var(--muted);padding:8px}.status-line{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:22px 0 34px;color:var(--muted);font-size:12px}.status-line #updated{margin-left:auto}.status-pill{background:#e7f0e9;color:var(--accent);padding:3px 10px;border-radius:20px}.status-pill.warn{background:#fbebd9;color:#9b642d}.section{margin:0 0 32px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:15px}.section-heading strong{color:var(--ink);font-weight:600}.quota-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.quota-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:21px}.quota-top{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}.quota-value{font-size:29px;letter-spacing:-.7px;font-weight:550;margin:12px 0 3px}.quota-value small{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:0;margin-left:7px}progress{width:100%;height:6px;display:block;appearance:none;border:none;background:var(--soft);border-radius:10px;overflow:hidden;margin:14px 0}progress::-webkit-progress-bar{background:var(--soft)}progress::-webkit-progress-value{background:#57977c;border-radius:10px}progress::-moz-progress-bar{background:#57977c}.quota-card .muted{font-size:11px}.unlimited{background:linear-gradient(105deg,#eff5ef,#fff);display:flex;align-items:center;gap:30px}.infinity{font-size:56px;color:#799f8c;line-height:1}.unlimited .quota-value{margin:0;font-size:23px}.notice{font-size:12px;color:#8e6435;background:#fff2df;border-radius:8px;padding:10px 14px}.select-label{display:flex;align-items:center;gap:10px;color:var(--muted)}select{border:1px solid #d5dfd7;border-radius:8px;background:#fff;padding:7px 12px;color:var(--ink)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stats article{background:#fff;border:1px solid var(--line);padding:19px 21px;border-radius:12px}.stats article>span{display:block;font-size:12px;color:var(--muted)}.stats strong{display:block;font-size:27px;font-weight:550;letter-spacing:-.5px;font-variant-numeric:tabular-nums;margin:9px 0 4px;overflow-wrap:anywhere}.stats small{font-size:11px;color:var(--muted)}.chart-card,.records-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.chart-heading{display:flex;align-items:center;justify-content:space-between}.chart-heading h3{font-size:14px;font-weight:550;margin:0}.segmented{display:flex;gap:3px;background:#f1f4f0;border-radius:7px;padding:3px}.segmented button{background:none;border:0;padding:4px 15px;border-radius:5px;font-size:11px;color:var(--muted)}.segmented .selected{background:#fff;color:var(--ink);box-shadow:0 1px 4px #243f2c0e}#chart-scale{font-size:11px;margin:15px 0 0}.chart-scroll{overflow-x:auto}.chart{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;margin-top:15px;border-bottom:1px solid var(--line)}.chart[data-days="30"]{grid-template-columns:repeat(30,minmax(0,1fr));min-width:720px;gap:3px}.chart-day{background:none;border:0;border-radius:5px 5px 0 0;padding:0 6px;color:var(--muted);min-width:0}.chart-day:hover,.chart-day:focus-visible{background:#f0f5ef}.chart-day svg{width:100%;height:150px;display:block;overflow:visible}.chart-day rect{fill:#6ca38a}.chart-day:hover rect,.chart-day:focus-visible rect{fill:var(--accent)}.chart-day.zero rect{fill:#e9efea}.chart-day span{display:block;font-size:10px;white-space:nowrap;margin:9px 0 10px;font-variant-numeric:tabular-nums}.chart-day.today rect{fill:var(--accent)}.day-detail{font-size:12px;color:var(--muted);margin:14px 0 0;min-height:20px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:12px;font-variant-numeric:tabular-nums}th{text-align:right;color:var(--muted);font-size:11px;font-weight:500;background:#f6f8f4;padding:12px 14px}td{text-align:right;padding:13px 14px;border-bottom:1px solid #eef1ec}th:first-child,th:nth-child(2),td:first-child,td:nth-child(2){text-align:left}td:nth-child(2){white-space:normal;overflow-wrap:anywhere;min-width:150px;max-width:260px}tbody tr:last-child td{border:0}.empty{text-align:center;padding:30px;color:var(--muted);font-size:13px}.footnote{font-size:11px;color:var(--muted);line-height:1.85;margin-bottom:45px;max-width:880px}footer{max-width:1176px;padding:22px 32px;margin:auto;display:flex;justify-content:space-between;border-top:1px solid var(--line);color:#8a9890;font-size:11px}@media(min-width:1400px){.welcome{padding-top:120px;padding-bottom:140px}}@media(max-width:900px){.welcome{grid-template-columns:1fr 390px;gap:30px;padding:70px 0;min-height:580px}.login-card{padding:28px}.intro-points{gap:12px}.stats{grid-template-columns:repeat(2,1fr)}.status-line #updated{margin-left:0}}@media(max-width:680px){.site-header{padding:20px}.brand{font-size:16px;gap:8px}.brand-sub{font-size:12px}main{padding:0 20px}.welcome{grid-template-columns:1fr;gap:32px;padding:40px 0}.intro h1{font-size:37px;margin-bottom:15px}.eyebrow{font-size:10px;margin-bottom:15px}.lead{font-size:14px;margin-bottom:0}.intro-points{display:none}.login-card{padding:25px;border-radius:16px}.dashboard-heading{align-items:flex-start;flex-direction:column;padding-top:30px;gap:16px}.dash-title{font-size:28px}.status-line{gap:10px;margin-bottom:25px}.status-line #updated{width:100%}.quota-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-wrap:wrap}.section-heading h2{font-size:18px}.stats{gap:10px}.stats article{padding:16px}.stats strong{font-size:23px}.chart-card,.records-card{padding:16px}.chart{gap:4px}.chart-day{padding:0 2px}.chart-day svg{height:130px}.chart-day span{font-size:9px}.select-label{font-size:0;gap:0}.select-label select{font-size:12px}.section{margin-bottom:25px}.unlimited{gap:20px}footer{padding:20px}.footnote{margin-bottom:30px}}

/* Public help links wrap naturally on narrow screens. */
.help-links{display:flex;align-items:center;justify-content:flex-end;gap:12px 24px;flex-wrap:wrap}.help-links a{color:#216d59;text-decoration:none;border:1px solid #b9d7ca;border-radius:8px;padding:8px 14px;background:#f4faf6}.help-links a:hover{background:#e9f4ed}.help-links a:focus-visible{outline:2px solid #216d59;outline-offset:3px}#supportContact{overflow-wrap:anywhere;max-width:100%;font-size:13px}@media(max-width:640px){.help-links{justify-content:flex-start;width:100%}}

/* Header links: usage and tutorial share one navigation group. */
.site-header{flex-wrap:wrap}.site-nav{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.site-nav a{font-size:12px;color:var(--muted);text-decoration:none;white-space:nowrap}.site-nav a:hover{color:#216d59}.site-nav a:focus-visible{outline:2px solid #216d59;outline-offset:5px}@media(max-width:640px){.site-nav{gap:16px}}

.records-pagination{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:18px}.pagination-actions{display:flex;gap:8px;flex-wrap:wrap}.records-pagination button:disabled{cursor:not-allowed}.records-pagination .muted{font-variant-numeric:tabular-nums}@media(max-width:680px){.records-pagination{align-items:flex-start;flex-direction:column}.pagination-actions{width:100%}.pagination-actions button{flex:1;padding:8px 10px}}