:root{--primary:#465bd8;--primary-dark:#3045bc;--primary-soft:#eef0ff;--ink:#172033;--muted:#697386;--line:#dfe3eb;--surface:#fff;--canvas:#f5f7fb;--danger:#b42318;--success:#18794e;--shadow:0 12px 32px rgba(23,32,51,.08);font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--canvas);font-size:16px}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--canvas)}button,input,select,textarea{font:inherit}a{color:inherit}h1,h2,h3,p{margin-top:0}h1{font-size:2rem;letter-spacing:-.035em;margin-bottom:.3rem}h2{font-size:1.2rem;margin-bottom:.25rem}p{line-height:1.55}.eyebrow{font-size:.75rem;font-weight:800;letter-spacing:.14em;color:var(--primary);margin-bottom:.55rem}.brand-mark{width:52px;height:52px;border-radius:16px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:850;letter-spacing:-.06em;box-shadow:0 8px 20px rgba(70,91,216,.3)}.brand-mark.small{width:34px;height:34px;border-radius:10px;font-size:.82rem;box-shadow:none}.auth-body{background:#111a2c}.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(380px,1.15fr) minmax(420px,.85fr)}.brand-panel{padding:clamp(2rem,7vw,7rem);display:flex;flex-direction:column;justify-content:space-between;color:#fff;background:radial-gradient(circle at 15% 20%,rgba(91,113,255,.45),transparent 27%),radial-gradient(circle at 80% 82%,rgba(0,188,212,.2),transparent 30%),#111a2c}.brand-panel h1{font-size:clamp(2.5rem,5vw,4.8rem);line-height:1.04;max-width:760px;margin-top:3rem}.brand-panel>div>p:not(.eyebrow){color:#b9c2d6;max-width:620px;font-size:1.12rem}.brand-panel .eyebrow{color:#95a6ff}.protocol-row{display:flex;gap:.75rem;flex-wrap:wrap}.protocol-row span{border:1px solid #3c4860;border-radius:999px;padding:.55rem .85rem;color:#cdd4e1;font-size:.8rem}.auth-card{background:var(--surface);padding:clamp(2rem,7vw,6rem);display:flex;flex-direction:column;justify-content:center}.auth-heading h2{font-size:2rem;letter-spacing:-.03em}.auth-heading p{color:var(--muted)}.segmented{display:grid;grid-template-columns:1fr 1fr;background:#eef1f6;border-radius:12px;padding:4px;margin:1rem 0 1.5rem}.segmented a{text-align:center;text-decoration:none;padding:.7rem;border-radius:9px;color:var(--muted);font-weight:700;font-size:.9rem}.segmented a.active{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(23,32,51,.1)}.stack{display:grid;gap:1rem}.stack label,.endpoint-card label{display:grid;gap:.45rem;font-size:.87rem;font-weight:700;color:#364155}input,select,textarea{width:100%;min-height:46px;border:1px solid #cbd1dc;border-radius:10px;padding:.7rem .8rem;background:#fff;color:var(--ink);outline:none}textarea{min-height:90px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(70,91,216,.15)}.field-help{color:var(--muted);font-size:.78rem;font-weight:400}.button{border:0;border-radius:10px;min-height:42px;padding:.65rem 1rem;font-weight:750;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.button.primary{background:var(--primary);color:#fff;box-shadow:0 5px 14px rgba(70,91,216,.24)}.button.primary:hover{background:var(--primary-dark)}.button.secondary{background:var(--primary-soft);color:var(--primary-dark)}.button.danger{background:#fff0ee;color:var(--danger)}.button.ghost{min-height:36px;padding:.45rem .7rem}.text-button,.text-link{border:0;background:none;color:var(--primary);font-weight:750;cursor:pointer;padding:.35rem 0;text-decoration:none;font-size:.86rem}.divider{display:flex;align-items:center;gap:.75rem;color:var(--muted);font-size:.75rem;margin:1.35rem 0}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}.notice{padding:.8rem 1rem;border-radius:10px;margin:0 0 1rem;font-size:.88rem}.notice.error{background:#fff0ee;color:#8f1d14;border:1px solid #ffc9c4}.notice.success{background:#ebf8f2;color:#12613f;border:1px solid #b7e4d0}.single-auth{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.single-auth .auth-card{width:min(100%,480px);border-radius:22px;padding:2.5rem;box-shadow:0 25px 80px rgba(0,0,0,.3);gap:1.25rem}.single-auth .brand-mark{margin-bottom:.5rem}.single-auth .text-link{text-align:center}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(1rem,4vw,3rem);position:sticky;top:0;z-index:10}.logo{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-weight:850}.top-actions{display:flex;align-items:center;gap:1rem}.top-actions form{margin:0}.user-email{font-size:.84rem;color:var(--muted)}.icon-button{width:38px;height:38px;border:0;border-radius:50%;background:#eef1f6;cursor:pointer;color:var(--ink);font-size:1.2rem}.page{width:min(1180px,calc(100% - 2rem));margin:0 auto;padding:2.5rem 0 5rem}.page-title{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.quota-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1rem}.quota-card,.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.25rem;box-shadow:0 3px 12px rgba(23,32,51,.035)}.quota-label{display:flex;align-items:baseline;justify-content:space-between}.quota-label span{font-weight:750}.quota-label strong{font-size:1.9rem;letter-spacing:-.04em;color:var(--primary)}progress{width:100%;height:10px;border:0;border-radius:20px;overflow:hidden;margin:.9rem 0}.quota-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:.77rem}progress::-webkit-progress-bar{background:#e8ebf1}progress::-webkit-progress-value{background:linear-gradient(90deg,#465bd8,#7083f4);border-radius:20px}progress::-moz-progress-bar{background:#465bd8}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1rem}.section-heading p{color:var(--muted);font-size:.8rem;margin:0}.contribution-card{margin-bottom:1rem}.calendar-wrap{overflow-x:auto;padding:2px}.calendar{display:grid;grid-template-rows:repeat(7,13px);grid-auto-flow:column;grid-auto-columns:13px;gap:4px;min-width:336px}.day,.legend i{width:13px;height:13px;border-radius:3px;background:#e7eaf0}.day:focus{outline:2px solid var(--primary)}.level-1{background:#cbd2ff!important}.level-2{background:#8f9ef2!important}.level-3{background:#5c70df!important}.level-4{background:#3045bc!important}.legend{display:flex;align-items:center;gap:4px;color:var(--muted);font-size:.7rem}.content-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,.8fr);gap:1rem}.key-list{display:grid}.key-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 0;border-top:1px solid var(--line)}.key-row:first-child{border-top:0;padding-top:.25rem}.key-row>div{display:grid;gap:.25rem}.key-row code{color:var(--primary-dark);font-size:.8rem}.key-row small{color:var(--muted)}.status{font-size:.75rem;border-radius:999px;padding:.3rem .55rem}.status.muted{background:#eef1f6;color:var(--muted)}.endpoint-card label{margin:.8rem 0}.endpoint-card code{display:block;background:#111a2c;color:#dce2f2;border-radius:9px;padding:.75rem;overflow-x:auto;font-size:.8rem}.empty{text-align:center;padding:2rem;color:var(--muted)}.empty h3{color:var(--ink);margin-bottom:.25rem}.empty-icon{font-size:2rem;color:var(--primary)}.reveal-card{background:#111a2c;color:#fff;border-radius:16px;padding:1.2rem;display:grid;grid-template-columns:1fr auto;gap:.6rem 1rem;align-items:center;margin-bottom:1rem}.reveal-card p{color:#b9c2d6;font-size:.82rem;margin:0}.reveal-card code{grid-column:1/-1;background:#202b40;border:1px solid #39455b;padding:.8rem;border-radius:9px;overflow-wrap:anywhere;color:#dce2f2}.reveal-card .button{grid-column:2;grid-row:1}.reveal-card>div{grid-column:1;grid-row:1}dialog{width:min(92vw,480px);border:0;border-radius:18px;padding:1.5rem;box-shadow:0 24px 80px rgba(0,0,0,.3)}dialog::backdrop{background:rgba(10,17,31,.6);backdrop-filter:blur(3px)}.dialog-close{float:right}.dialog-actions{display:flex;justify-content:flex-end;gap:.7rem;margin-top:.5rem}
@media(max-width:800px){.auth-shell{grid-template-columns:1fr}.brand-panel{min-height:280px;padding:2rem}.brand-panel h1{font-size:2.4rem;margin-top:2rem}.protocol-row{margin-top:2rem}.auth-card{padding:2rem;min-height:calc(100vh - 280px)}.quota-grid,.content-grid{grid-template-columns:1fr}.page-title{align-items:flex-start;flex-direction:column}.page-title .button{width:100%}.user-email{display:none}.reveal-card{display:block}.reveal-card>*{margin-bottom:.7rem}.reveal-card .button{width:100%}}
@media(prefers-reduced-motion:no-preference){.button,.segmented a,.day{transition:background-color .18s,transform .18s,box-shadow .18s}.button:active{transform:translateY(1px)}.day:hover{transform:scale(1.25)}}
.admin-layout{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:calc(100vh - 64px)}.admin-nav{background:#111a2c;color:#cdd4e1;padding:1.5rem 1rem;display:flex;flex-direction:column;gap:.35rem}.nav-label{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#7f8ba0;padding:0 .75rem;margin:.5rem 0}.admin-nav>a{display:flex;justify-content:space-between;text-decoration:none;padding:.75rem;border-radius:10px;font-size:.88rem;font-weight:680}.admin-nav>a small{background:#29354b;color:#aeb8ca;border-radius:999px;padding:.1rem .45rem}.admin-nav>a:hover,.admin-nav>a.active{background:#26324a;color:#fff}.admin-nav>a.active{box-shadow:inset 3px 0 #8292ff}.nav-foot{margin-top:auto;border-top:1px solid #2d394f;padding:.9rem .75rem}.nav-foot a{color:#aeb8ca;text-decoration:none;font-size:.8rem}.admin-main{padding:2.5rem clamp(1rem,4vw,3.5rem) 5rem;min-width:0}.subtitle{color:var(--muted);margin:0;font-size:.88rem}.admin-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:1.2rem;box-shadow:0 3px 12px rgba(23,32,51,.03)}.bulk-actions{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem}.bulk-actions>div{display:flex;gap:.6rem}.bulk-actions form{margin:0}.table-card{padding:0;overflow:hidden}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:.84rem}th{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#f8f9fc}th,td{padding:.9rem 1rem;border-bottom:1px solid var(--line);white-space:nowrap}tbody tr:last-child td{border-bottom:0}td>small{display:block;color:var(--muted);margin-top:.25rem}.pill{display:inline-block;border-radius:999px;padding:.25rem .5rem;background:#eef1f6;color:#536074;font-size:.7rem;font-weight:700}.pill.good{background:#e7f7ef;color:#16714a}.pill.bad{background:#fff0ee;color:#9a2b20}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}.check{display:flex!important;grid-template-columns:none!important;flex-direction:row!important;align-items:center;gap:.5rem!important;min-height:42px}.check input{width:18px;min-height:18px;height:18px;accent-color:var(--primary)}.dialog-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:1rem 0;margin:1rem 0}.dialog-section h3{font-size:.92rem}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.action-grid .button,.full{width:100%}.action-grid form{display:grid;grid-template-columns:70px 1fr;gap:.4rem}.action-grid form:nth-child(-n+2){grid-template-columns:1fr}.action-grid input{min-height:40px}.editor-card{margin-bottom:1rem}.model-form{display:grid;grid-template-columns:1.2fr repeat(3,1fr) auto auto;gap:.7rem;align-items:end}.model-form label{display:grid;gap:.4rem;font-size:.78rem;font-weight:700}.upstream-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.upstream-card{display:flex;flex-direction:column;gap:.8rem}.upstream-card h2{margin:0}.upstream-card>code{font-size:.75rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upstream-head{display:flex;justify-content:space-between}.protocol{font-size:.68rem;text-transform:uppercase;font-weight:800;padding:.3rem .5rem;border-radius:6px}.protocol.openai{background:#e6f7f0;color:#127251}.protocol.anthropic{background:#f7eee6;color:#8b5226}.model-chips{display:flex;flex-wrap:wrap;gap:.35rem;min-height:36px}.model-chips span{background:var(--primary-soft);color:var(--primary-dark);border-radius:7px;padding:.3rem .45rem;font-size:.7rem}fieldset{border:1px solid var(--line);border-radius:10px;padding:.75rem}legend{font-size:.78rem;font-weight:750;padding:0 .3rem}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:.2rem}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.settings-grid section:first-of-type{grid-column:1/-1}.settings-submit{grid-column:1/-1;display:flex;justify-content:flex-end}.settings-submit .button{min-width:180px}
@media(max-width:900px){.admin-layout{grid-template-columns:1fr}.admin-nav{position:sticky;top:64px;z-index:5;flex-direction:row;overflow-x:auto;padding:.55rem}.admin-nav .nav-label,.admin-nav .nav-foot{display:none}.admin-nav>a{white-space:nowrap}.model-form{grid-template-columns:1fr 1fr}.settings-grid{grid-template-columns:1fr}.settings-grid section:first-of-type{grid-column:auto}.settings-submit{grid-column:auto}.bulk-actions{align-items:flex-start;flex-direction:column}.bulk-actions>div{flex-wrap:wrap}}
@media(max-width:560px){.form-row,.action-grid,.check-grid,.model-form{grid-template-columns:1fr}.admin-main{padding-top:1.5rem}.bulk-actions>div{display:grid;width:100%}.bulk-actions .button{width:100%}}

/* Restrained Material theme */
:root{--primary:#3f51b5;--primary-dark:#303f9f;--primary-soft:#eef0fb;--ink:#202124;--muted:#5f6368;--line:#dadce0;--canvas:#f7f8fa;--shadow:0 1px 3px rgba(60,64,67,.18)}
h1{font-size:1.75rem;letter-spacing:-.02em}.eyebrow{display:none}.brand-mark{border-radius:8px;box-shadow:none}.button{border-radius:6px;font-weight:600;box-shadow:none!important}.button.primary{box-shadow:0 1px 2px rgba(60,64,67,.22)!important}.button:disabled{background:#eceff1;color:#9aa0a6;cursor:not-allowed}.auth-body{background:var(--canvas)}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(100%,440px);padding:32px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);justify-content:flex-start}.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:32px}.auth-brand .brand-mark{width:40px;height:40px;border-radius:8px}.auth-brand strong{font-size:1.05rem}.auth-heading h2{font-size:1.5rem}.segmented{border-radius:8px}.segmented a{border-radius:6px}.single-auth .auth-card{border-radius:10px;padding:32px;box-shadow:var(--shadow)}.single-auth .brand-mark{margin-bottom:0}.topbar{box-shadow:0 1px 2px rgba(60,64,67,.08)}.page{padding-top:32px}.page-title{margin-bottom:20px}.quota-card,.card,.admin-card{border-radius:8px;box-shadow:var(--shadow)}.quota-label strong{font-size:1.65rem;color:var(--ink)}progress{height:8px}progress::-webkit-progress-value{background:var(--primary)}.contribution-card{padding:20px}.calendar-scroller{width:100%;overflow-x:auto;padding:6px 0}.calendar-wrap{width:max-content;min-width:max-content;margin-inline:auto;overflow:visible;padding:0}.calendar{min-width:0}.day,.legend i{border-radius:2px}.day-spacer{width:13px;height:13px}.day:hover{transform:none}.reset-card-section{margin-bottom:16px}.reset-list{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden}.reset-list article{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px}.reset-list article+article{border-left:1px solid var(--line)}.reset-list article>div{display:grid;gap:4px}.reset-list article span{font-size:.82rem;color:var(--muted)}.reset-list form{margin:0}.endpoint-card code{background:#f1f3f4;color:#3c4043;border-radius:5px}.reveal-card{background:#eef0fb;color:var(--ink);border:1px solid #c5cae9;border-radius:8px}.reveal-card p{color:var(--muted)}.reveal-card code{background:#fff;border-color:#c5cae9;color:var(--ink)}dialog{border-radius:10px;box-shadow:0 8px 24px rgba(60,64,67,.28)}dialog::backdrop{background:rgba(32,33,36,.48);backdrop-filter:none}.admin-nav{background:#fff;color:var(--ink);border-right:1px solid var(--line)}.nav-label{color:var(--muted)}.admin-nav>a small{background:#f1f3f4;color:var(--muted)}.admin-nav>a:hover,.admin-nav>a.active{background:var(--primary-soft);color:var(--primary-dark)}.admin-nav>a.active{box-shadow:inset 3px 0 var(--primary)}.nav-foot{border-top-color:var(--line)}.nav-foot a{color:var(--muted)}.protocol{border-radius:4px}.model-chips span{border-radius:4px}
@media(max-width:800px){.auth-card{min-height:0;padding:24px}.reset-list{grid-template-columns:1fr}.reset-list article+article{border-left:0;border-top:1px solid var(--line)}}
@media(max-width:560px){.reset-list article{align-items:flex-start;flex-direction:column}.reset-list .button{width:100%}.reset-list form{width:100%}}
.billing-policy{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:16px}.billing-policy form{display:flex;align-items:end;gap:12px;margin:0}.billing-policy label{display:flex;align-items:center;gap:8px;font-size:.88rem;font-weight:600;white-space:nowrap}.billing-policy input{width:100px}
@media(max-width:800px){.billing-policy,.billing-policy form{align-items:stretch;flex-direction:column}.billing-policy label{white-space:normal}.billing-policy input{width:100%}}
.key-info{min-width:0;flex:1}.key-value{display:flex;align-items:center;gap:8px;min-width:0}.key-value code{display:block;min-width:0;max-width:100%;overflow-x:auto;white-space:nowrap;background:#f1f3f4;border-radius:5px;padding:8px}.key-value .button{flex:none}.key-row>form{flex:none}
@media(max-width:560px){.key-row{align-items:stretch;flex-direction:column}.key-row>form .button{width:100%}.key-value{align-items:stretch;flex-direction:column}.key-value .button{width:100%}}
.day{border:0;padding:0;min-height:13px;cursor:pointer}.day:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.usage-tooltip{position:fixed;z-index:100;width:220px;padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 4px 12px rgba(60,64,67,.24);pointer-events:none;color:var(--ink);font-size:.82rem}.usage-tooltip>strong{display:block;margin-bottom:8px;font-size:.85rem}.usage-tooltip dl{display:grid;gap:5px;margin:0}.usage-tooltip dl>div{display:flex;align-items:center;justify-content:space-between;gap:12px}.usage-tooltip dt{color:var(--muted)}.usage-tooltip dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.announcement{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;padding:16px;background:#eef0fb;border:1px solid #c5cae9;border-radius:8px}.announcement-icon{width:24px;height:24px;display:grid;place-items:center;flex:none;border-radius:50%;background:var(--primary);color:#fff;font-size:.82rem;font-weight:700}.announcement h2{font-size:1rem;margin:1px 0 4px}.announcement p{margin:0;color:#3c4043;white-space:pre-wrap}.announcement-editor{max-width:760px}.announcement-editor textarea{min-height:180px}.announcement-editor .settings-submit{display:flex;justify-content:flex-end}