:root{color-scheme:dark;--bg:#12171d;--panel:#192129;--text:#e0e7ef;--muted:#a1afbe;--line:#303b47;--accent:#9dc3f0;--warning:#e3c687}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}::selection{background:#395572;color:#fff}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#c4defb}header{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:20px 32px;border-bottom:1px solid var(--line)}.brand{font-size:21px;font-weight:650;color:var(--text);text-decoration:none}.prototype{font-size:13px;color:var(--muted)}nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-left:auto;font-size:14px}nav form{margin:0}main{margin:64px auto 80px;padding:0 24px}.narrow{max-width:480px}.wide{max-width:1120px;margin-top:40px}h1{font-size:28px;line-height:1.3;font-weight:600;margin:0 0 16px}h2{font-size:19px;line-height:1.4;margin:0 0 16px;font-weight:600}.intro{color:var(--muted);margin:0 0 28px;max-width:68ch}.muted,small,footer{color:var(--muted)}.muted,.secondary{font-size:14px}.secondary{display:inline-block;margin-top:16px}section{margin-top:38px}form p{margin:0 0 20px}label{display:block;font-size:14px;margin-bottom:7px}input,select,button{font:inherit}input:not([type=checkbox]):not([type=hidden]),select{width:100%;min-height:44px;background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:9px 12px;color:var(--text);caret-color:var(--accent)}input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);vertical-align:middle}button{min-height:44px;padding:8px 18px;border:1px solid var(--accent);border-radius:4px;background:var(--accent);color:#12171d;cursor:pointer;font-weight:600}button:hover{background:#b4d2f5}.quiet{background:transparent;color:var(--accent);font-weight:500}.quiet:hover{background:#253548}a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.errorlist{color:var(--warning);padding-left:20px;font-size:14px}.helptext{font-size:13px;color:var(--muted)}.result{padding:14px 0;border-bottom:1px solid var(--line);color:var(--warning)}.issued{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:4px}.issued p{font-size:14px;color:var(--muted);margin-bottom:0}.issued-password,.numeric{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-variant-numeric:tabular-nums}.issued-password{display:block;font-size:22px;overflow-wrap:anywhere;user-select:all;color:var(--text)}.create-form{max-width:540px}.table-scroll{overflow:auto;max-width:100%;scrollbar-color:#536475 var(--panel);scrollbar-width:thin}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:500;color:var(--muted);white-space:nowrap}td:first-child{overflow-wrap:anywhere}td small{display:block;font-size:12px}td:nth-child(2),td:nth-child(4){white-space:nowrap}.row-action{display:flex;gap:8px;min-width:265px}.row-action select{font-size:13px}.row-action button{font-size:13px;flex-shrink:0}dl{display:grid;grid-template-columns:110px 1fr;gap:14px 16px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}dt{color:var(--muted);font-size:14px}dd{margin:0;overflow-wrap:anywhere}footer{padding:20px 24px;border-top:1px solid var(--line);font-size:12px;text-align:center}@media(max-width:600px){header{padding:16px;gap:10px 16px}.prototype{flex-basis:100%}nav{margin-left:0;gap:12px}main{margin:36px auto 50px;padding:0 16px}h1{font-size:25px}th,td{padding:12px 8px}dl{grid-template-columns:95px 1fr;gap:12px}.issued{padding:16px}}
/* Account pages belong to the existing OneChart site, not a separate product. */
:root{--site-max:1760px;--page-gutter:32px;--bg:#171d23;--navigation-surface:#10161c;--panel:#222a32;--text:#e0e5ea;--heading-text:#edf1f4;--muted:#a5afb9;--line:#ffffff13;--subtle-line:#ffffff08;--accent:#c4ced8;--nav-selected:#2b343d;--nav-active:#f2f4f6;--hover-surface:#ffffff06;--logo-ink:#fff;--tool-face:#232e38;--tool-hover:#2e3b47;--action-face:#dce5ee;--action-ink:#171d23;--warning:#e3c687;--field-surface:#232c35;--field-line:#697884;--account-float:#232c35;--selection:#395572}
:root[data-theme="light"]{color-scheme:light;--bg:#f7f7f7;--navigation-surface:#f3f3f3;--panel:#f0f0f0;--text:#363636;--heading-text:#242424;--muted:#5b5b5b;--line:#d6d6d6;--subtle-line:#dedede;--accent:#4b4b4b;--nav-selected:#e4e4e4;--nav-active:#242424;--hover-surface:#e9e9e9;--logo-ink:#000;--tool-face:#ececec;--tool-hover:#e4e4e4;--action-face:#4b4b4b;--action-ink:#fff;--warning:#815d10;--field-surface:#eaeaea;--field-line:#858585;--account-float:#f7f7f7;--selection:#d4d4d4}
body{min-height:100svh;display:flex;flex-direction:column;font-size:14px;line-height:1.65}::selection{background:var(--selection);color:var(--text)}a:hover{color:var(--text)}button:hover{background:var(--tool-hover);color:var(--text)}.account-form>button:hover,.action-link:hover{background:color-mix(in srgb,var(--action-face) 90%,var(--text));color:var(--action-ink)}button{background:var(--action-face);color:var(--action-ink);border-color:transparent;border-radius:10px;corner-shape:squircle;font-weight:600}input:not([type=checkbox]):not([type=hidden]),select{font-size:16px;background:var(--field-surface);border-color:var(--field-line);border-radius:10px;corner-shape:squircle;min-height:46px}input::placeholder{color:var(--muted);opacity:1}.helptext{display:block;font-size:12px;line-height:1.6;margin-top:6px}code{font-size:12px;overflow-wrap:anywhere}main{width:100%;margin:64px auto 56px}.narrow{max-width:480px}h1{font-size:28px;font-weight:600;letter-spacing:-.02em;margin-bottom:16px;color:var(--heading-text)}.intro{font-size:14px;line-height:1.8;margin-bottom:30px}.account-form>button{width:100%;margin-top:4px;min-height:46px}.account-form label{font-size:14px;margin-bottom:8px}.errorlist{margin-top:0;padding-left:20px;color:var(--warning)}.account-form p{margin-bottom:22px}.secondary{font-size:13px;margin-top:16px}.return-link{display:block;width:fit-content;margin-top:28px;color:var(--muted);font-size:13px}.login-help{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.login-help summary{color:var(--text);cursor:pointer;line-height:1.7}.login-help p{margin:14px 0 0}.login-help summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.notice-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.notice-actions .secondary{margin-top:0}.primary-link{color:var(--text)}
.site-header{display:block;width:100%;margin:0;padding:0;border:0;border-bottom:1px solid var(--subtle-line);border-radius:0;background:var(--navigation-surface)}.site-header-inner{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;min-height:64px;max-width:var(--site-max);margin:0 auto;padding:0 var(--page-gutter)}.site-brand{display:flex;align-items:center;justify-self:start;text-decoration:none;margin-left:-12px;color:var(--logo-ink)}.site-brand:hover{color:var(--logo-ink)}.site-brand svg{display:block;width:auto;height:34px;aspect-ratio:16/5;max-height:none}.site-nav-links{display:flex;align-items:center;justify-self:center;gap:4px;min-width:0;width:max-content;max-width:100%;margin:0;overflow-x:auto;scrollbar-width:none;flex-wrap:nowrap;line-height:20px}.site-nav-links::-webkit-scrollbar{display:none}.site-nav-links a{display:block;flex:none;padding:7px 12px;color:var(--muted);font-size:13px;font-weight:500;white-space:nowrap;text-decoration:none;border-radius:10px;corner-shape:squircle;transition:background-color 150ms ease-out,color 150ms ease-out}.site-nav-links a:hover{background:var(--hover-surface);color:var(--text)}.site-nav-links a.active{background:var(--nav-selected);color:var(--nav-active)}.site-global-tools{justify-self:end;min-width:60px;display:flex;align-items:center;justify-content:flex-end}.theme-button{position:relative;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;min-height:30px;padding:0;border:0;border-radius:10px;corner-shape:squircle;background:var(--tool-face);color:var(--muted);font-size:12px;line-height:20px;box-shadow:none}.theme-button:hover{background:var(--tool-hover);color:var(--text)}.theme-button svg{position:absolute;inset:6px;width:18px;height:18px;pointer-events:none;transition:opacity 110ms ease-out,transform 160ms cubic-bezier(.16,1,.3,1)}.theme-button .theme-moon{opacity:1;transform:none}.theme-button .theme-sun{opacity:0;transform:rotate(-18deg) scale(.85)}:root[data-theme="dark"] .theme-button .theme-moon{opacity:0;transform:rotate(18deg) scale(.85)}:root[data-theme="dark"] .theme-button .theme-sun{opacity:1;transform:none}.account-nav{margin:16px auto 0;padding:0 24px;width:100%;max-width:1120px;justify-content:flex-end;gap:18px;font-size:13px}.account-nav .quiet{min-height:32px;padding:3px 10px;background:transparent;color:var(--muted)}footer{width:100%;max-width:var(--site-max);margin:auto auto 0;padding:24px var(--page-gutter);display:flex;justify-content:space-between;gap:8px 24px;flex-wrap:wrap;border-top:0;font-size:12px;text-align:left;line-height:1.7}
@media(max-width:900px){:root{--page-gutter:20px}.site-header-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr);row-gap:8px;padding-top:12px;padding-bottom:8px}.site-brand{grid-column:1;grid-row:1}.site-global-tools{grid-column:2;grid-row:1}.site-nav-links{grid-column:1/-1;grid-row:2;margin:0;justify-self:center}}
@media(max-width:720px){:root{--page-gutter:16px}.site-header-inner{gap:10px;min-height:92px;padding:14px var(--page-gutter) 9px}.site-brand{margin-left:-11px}.site-brand svg{height:32px}.site-nav-links{padding:0 0 2px}.site-nav-links a{padding:7px 10px;font-size:12px}main{margin:40px auto 44px;padding:0 24px}h1{font-size:25px}.intro{margin-bottom:28px}footer{padding:20px var(--page-gutter)}.account-nav{justify-content:flex-start;gap:12px}.wide{padding:0 16px}.notice-actions{gap:16px}}
/* One task, one reading axis. Helpers disclose detail without creating more cards. */
.account-back{display:inline-block;margin:0 0 22px;font-size:13px;color:var(--muted);text-decoration:none}.account-back:hover{text-decoration:none;color:var(--text)}
.account-form{margin:0}.field-group{margin:0 0 22px}.field-label{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px}.account-form .field-label label{margin:0;font-size:14px;font-weight:500}.account-form .helptext{margin-top:7px;font-size:13px}.account-form .helptext ul{margin:7px 0 0;padding-left:19px}.account-form .helptext li+li{margin-top:3px}
.account-form input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.account-form input[aria-invalid="true"]{border-color:var(--warning)}
.account-form>button{margin-top:6px;transition:background-color 120ms ease}.account-form>button:disabled{opacity:.65;cursor:wait}.form-error{margin:0 0 20px}.errorlist{list-style:none;padding:0;margin:8px 0 0;font-size:13px}.form-error .errorlist{margin:0}.field-error .errorlist{margin:7px 0 0}.field-error{color:var(--warning)}
.field-label{min-height:28px}.uid-help-trigger{margin-left:auto;flex:none}.resend-help>summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.login-assistance{display:flex;align-items:center;justify-content:space-between;gap:14px 20px;margin-top:18px;font-size:13px}.login-assistance>[data-account-help]{margin-left:auto}.contact-channels{list-style:none;padding:0;margin:24px 0}.contact-channels>li+li{margin-top:22px}.contact-channels strong{font-size:14px;font-weight:600;color:var(--text)}.contact-channels p{margin:6px 0 0}.screenshot-guide{font-size:13px}
.task-help{font-size:13px;line-height:1.85;color:var(--muted);margin:0 0 24px}.security-note{margin:28px 0 0;font-size:12px;color:var(--muted);line-height:1.8}.resend-help{margin-top:24px;font-size:13px;color:var(--muted)}.resend-help>summary{cursor:pointer}.resend-help[open]>.task-help{margin-top:14px}.resend-help .account-form>button{background:var(--tool-face);color:var(--text)}.resend-help .account-form>button:hover{background:var(--tool-hover)}
.verification-target{margin:0 0 26px}.verification-target>span,.verification-target>strong{display:block}.verification-target>span{font-size:13px;color:var(--muted)}.verification-target>strong{margin-top:5px;font-size:15px;font-weight:500;overflow-wrap:anywhere}.verification-target>p{margin:8px 0 0;font-size:13px;color:var(--muted)}
.result{margin:0 0 24px;padding:0;border:0;color:var(--muted);font-size:13px;line-height:1.85}.email-binding{grid-template-columns:85px 1fr;gap:12px 16px;padding:0;margin:0 0 26px;border:0}.email-binding dd{font-size:14px}.action-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 18px;background:var(--action-face);color:var(--action-ink);border-radius:10px;corner-shape:squircle;font-size:14px;font-weight:500;text-decoration:none}.notice-actions{margin-top:6px}.secondary{display:block;width:fit-content;margin-top:22px}footer>a{color:var(--muted);text-decoration:none}footer>a:hover{text-decoration:none}
@media(max-width:720px){main{padding:0 var(--page-gutter)}.account-back{margin-bottom:20px}.login-assistance{gap:14px}.email-binding{grid-template-columns:78px 1fr}}
/* All auxiliary actions share one quiet, discoverable interaction, not mixed underlines. */
.narrow a:not(.action-link),.narrow a:not(.action-link):hover,footer a,footer a:hover{text-decoration:none}
.text-action{appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:28px;width:auto;padding:3px 6px;border:0;border-radius:6px;corner-shape:squircle;background:transparent;color:var(--text);font:inherit;font-size:13px;font-weight:500;line-height:1.5;text-decoration:none;vertical-align:baseline;cursor:pointer;box-shadow:none}
.text-action:hover,.text-action:active{background:var(--hover-surface);color:var(--text);text-decoration:none}.text-action:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.task-help .text-action{padding-inline:3px;margin-inline:1px}.login-assistance>.text-action:first-child{margin-left:-6px}.login-assistance>.text-action:last-child{margin-right:-6px}footer>.text-action{font-size:12px;color:var(--muted);margin-right:-6px}
.account-help-dialog{box-sizing:border-box;width:min(460px,calc(100vw - 32px));max-height:calc(100dvh - 48px);margin:auto;padding:24px;border:1px solid var(--line);border-radius:16px;corner-shape:squircle;background:var(--account-float);color:var(--text);box-shadow:0 0 28px #00000026;overflow:auto;overscroll-behavior:contain}.account-help-dialog[open]{animation:account-help-appear 140ms ease-out}.account-help-dialog::backdrop{background:#0b10164d}:root[data-theme="light"] .account-help-dialog::backdrop{background:#171d2329}
.help-dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.help-dialog-heading>h2{margin:0;font-size:19px;line-height:1.4;font-weight:600}.help-close{display:inline-flex;align-items:center;justify-content:center;flex:none;width:30px;height:30px;min-height:30px;padding:6px;border:0;border-radius:10px;corner-shape:squircle;background:transparent;color:var(--muted);box-shadow:none}.help-close:hover{background:var(--tool-hover);color:var(--text)}.help-close>svg{width:18px;height:18px}.help-dialog-body{font-size:13px;line-height:1.85;color:var(--muted)}.help-dialog-body>p{margin:0}.help-dialog-body>[hidden]{display:none}.help-final-note{padding-top:16px;border-top:1px solid var(--line)}.help-response{display:block}.help-final-note>[data-help-context]:not([hidden])+.help-response{margin-top:10px}
.uid-popover{position:fixed;inset:auto;margin:0;box-sizing:border-box;width:min(320px,calc(100vw - 32px));max-height:calc(100dvh - 32px);padding:15px 17px;border:1px solid var(--line);border-radius:12px;corner-shape:squircle;background:var(--account-float);color:var(--muted);font-size:13px;line-height:1.8;box-shadow:0 0 20px #00000020;overflow:auto}.uid-popover:popover-open{animation:account-help-appear 110ms ease-out}.uid-popover>p{margin:0}.uid-popover>p+p{margin-top:9px}
html{background:var(--bg);scrollbar-gutter:stable}html:has(.account-help-dialog[open]){overflow:hidden}
@keyframes account-help-appear{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
/* Same whole-scene blend and reversal contract as the main OneChart pages. */
:root[data-theme-switching] *,:root[data-theme-switching] *::before,:root[data-theme-switching] *::after{transition:none!important}
@keyframes onechart-theme-blend{from{opacity:0}to{opacity:1}}
::view-transition{pointer-events:none}::view-transition-group(root){animation:none}::view-transition-image-pair(root){isolation:isolate}::view-transition-old(root){animation:none;mix-blend-mode:normal;opacity:1}::view-transition-new(root){animation:onechart-theme-blend 420ms cubic-bezier(.4,0,.2,1) both;mix-blend-mode:normal}
@media(max-width:480px){.account-help-dialog{padding:20px}.help-dialog-heading>h2{font-size:18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important;animation:none!important}::view-transition-group(root),::view-transition-old(root),::view-transition-new(root){animation:none!important}}