/* Hallmark · v2.0.0 · theme: ultraviolet lavender · genre: modern-minimal · shape: app screen · scope: app · signature: invitation ledger */
/* Critique: generous neutral surfaces keep account states and invitations readable; Chinese system typography for reliable rendering. */
:root{--paper:#f5f4f8;--surface:#fff;--ink:#252334;--muted:#716e80;--line:#e7e4ed;--accent:#6650bf;--accent-hover:#533aa6;--tint:#eee9fc;--soft:#faf9fc;--success:#36735c;--success-bg:#eaf4ef;--warning:#91641e;--warning-bg:#fff4df;--danger:#ad4353;--danger-bg:#faeaf0;--white:#fff;--shade:rgba(40,25,70,.055);--focus:#6650bf;--font:ui-sans-serif,system-ui,-apple-system,'PingFang SC','Microsoft Yahei',sans-serif;--mono:ui-monospace,SFMono-Regular,monospace;--shadow:0 10px 36px var(--shade);--radius:20px;--transparent:transparent}
*{box-sizing:border-box}html,body{overflow-x:clip}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.65}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}button{cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 20px;min-height:44px;color:var(--ink);transition:background-color .15s,border-color .15s}button:hover{background:var(--soft);border-color:var(--muted)}button:active{transform:translateY(1px)}button:disabled{background:var(--line);border-color:var(--line);color:var(--ink);cursor:wait}button.primary{background:var(--accent);border-color:var(--accent);color:var(--white)}button.primary:hover{background:var(--accent-hover)}button.quiet{background:var(--transparent);border-color:var(--transparent);color:var(--muted)}button.danger{color:var(--danger)}input,select{width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;min-height:46px;padding:8px 12px}input:hover,select:hover{border-color:var(--muted)}label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600;overflow-wrap:break-word;min-width:0}h1,h2{text-wrap:balance}h1{font-size:32px;line-height:1.3;letter-spacing:-1px}h2{font-size:20px}h3{font-size:16px}p{color:var(--muted)}.topbar{height:90px;display:flex;align-items:center;gap:44px;max-width:1320px;margin:auto;padding:0 44px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:700;letter-spacing:-1px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--white);font-size:26px;font-weight:500}.brand-sub{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:0;margin-left:12px}.topbar nav{display:flex;gap:8px;flex:1}.topbar nav a{font-size:14px;padding:8px 16px;border-radius:999px;color:var(--muted)}.topbar nav a[aria-current=page]{background:var(--tint);color:var(--accent)}#identity{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}main{max-width:1180px;min-height:calc(100vh - 170px);padding:48px 28px 64px;margin:auto}footer{max-width:1180px;margin:auto;display:flex;justify-content:space-between;padding:20px 28px 28px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:32px}.heading p{margin-top:8px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:clip}.panel-head{padding:24px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}.panel-body{padding:24px}.caption{font-size:13px;color:var(--muted)}.summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.metric{padding:24px 32px}.metric+.metric{border-left:1px solid var(--line)}.metric span{font-size:13px;color:var(--muted)}.metric strong{display:block;font-size:31px;line-height:1.7;font-weight:500;font-variant-numeric:tabular-nums}.metric small{font-size:14px;font-weight:400;color:var(--muted);margin-left:8px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap}th{color:var(--muted);font-weight:400;font-size:12px;background:var(--soft)}th,td{padding:16px 24px;border-bottom:1px solid var(--line)}tbody tr:last-child td{border-bottom:0}td{font-size:14px}td small{display:block;color:var(--muted);font-size:12px}.badge{font-size:12px;padding:4px 8px;border-radius:999px;display:inline-block;background:var(--success-bg);color:var(--success)}.badge.paused,.badge.expired{background:var(--danger-bg);color:var(--danger)}.badge.depleted{background:var(--warning-bg);color:var(--warning)}.progress{background:var(--tint);height:5px;border-radius:999px;overflow:clip;margin:8px 0;width:140px}.progress span{display:block;height:100%;background:var(--accent);border-radius:999px}.empty{padding:64px 28px;text-align:center}.empty h3{font-size:19px;margin-bottom:8px}.empty p{max-width:380px;margin:0 auto 24px}.empty-symbol{margin:auto auto 20px;display:grid;place-items:center;width:54px;height:54px;border:1px solid var(--line);border-radius:18px;font-size:27px;color:var(--accent);background:var(--soft)}.two-col{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px}.stack{display:grid;gap:24px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.field-wide{grid-column:1/-1}.form-actions{display:flex;gap:8px;align-items:center;margin-top:24px}.notice{padding:16px 20px;border-radius:14px;background:var(--tint);color:var(--accent);font-size:13px;margin-bottom:24px}.notice.warning{background:var(--warning-bg);color:var(--warning)}.notice.error{background:var(--danger-bg);color:var(--danger)}.help{font-size:12px;margin-top:8px;color:var(--muted)}.auth-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:80px;align-items:center;max-width:960px;margin:48px auto}.auth-copy h1,h2{text-wrap:balance}h1{font-size:47px;line-height:1.25;max-width:400px;letter-spacing:-2px}.auth-copy>p{margin-top:24px;max-width:330px}.auth-copy .note{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:13px}.auth-panel{padding:32px;border:1px solid var(--line);border-radius:24px;background:var(--surface);}.auth-panel h2{font-size:24px;margin-bottom:8px}.auth-panel form{margin-top:28px}.auth-panel .field{margin-bottom:20px}.auth-panel button.primary{width:100%;margin-top:8px}.auth-panel .caption{margin-top:20px;text-align:center}.check{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted)}.check input{width:16px;min-height:16px;margin-top:4px;flex-shrink:0}.auth-lines{margin-top:40px;display:grid;gap:12px}.auth-lines span{display:flex;gap:12px;font-size:13px;color:var(--muted)}.auth-lines b{font-weight:400;color:var(--accent)}.list-row{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line);gap:12px}.list-row:last-child{border:0}.list-row p{font-size:12px}.subscription{display:flex;gap:8px;margin-top:16px}.subscription input{font-family:var(--mono);font-size:12px;background:var(--soft)}.device{padding:24px 24px;border-bottom:1px solid var(--line)}.device:last-child{border:0}.device-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.device-top .actions{display:flex;gap:8px}.muted{color:var(--muted)}.step{display:flex;gap:16px;margin-bottom:24px}.step:last-child{margin-bottom:0}.step-num{font-size:12px;color:var(--accent);background:var(--tint);border-radius:50%;width:27px;height:27px;display:grid;place-items:center;flex-shrink:0}.step p{font-size:13px;margin-top:4px}.usage-meter{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.usage-number{font-size:44px;font-weight:500;line-height:1.3;letter-spacing:-2px;font-variant-numeric:tabular-nums}.usage-number small{font-size:16px;color:var(--muted);letter-spacing:0}.usage-meter .progress{width:100%;height:7px;margin-top:20px}.ring{width:108px;height:108px}.ring circle{fill:none;stroke:var(--tint);stroke-width:7}.ring circle.filled{stroke:var(--accent);stroke-linecap:round;transform:rotate(-90deg);transform-origin:center}.rule{margin:24px 0;border-top:1px solid var(--line)}.loading{padding:100px 20px;color:var(--muted);text-align:center}.result{padding:20px;background:var(--tint);border-radius:14px;margin-top:24px}.result .subscription{margin-top:8px}.result h3{color:var(--accent)}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--white);padding:12px 24px;border-radius:999px;box-shadow:var(--shadow);font-size:13px;opacity:0;pointer-events:none;transition:opacity .15s;z-index:5;max-width:90%}#toast.visible{opacity:1}.form-error{color:var(--danger);font-size:13px;margin:16px 0}.history{list-style:none;margin:0;padding:0}.history li{padding:16px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}.history li:last-child{border:0}.history time{font-size:12px;color:var(--muted)}.section-gap{margin-top:28px}.admin-note{display:flex;justify-content:space-between;gap:16px;margin-top:20px;font-size:12px;color:var(--muted)}.back{display:inline-block;font-size:13px;margin-bottom:20px;color:var(--muted)}.preview-banner{background:var(--warning-bg);color:var(--warning);padding:12px 20px;text-align:center;font-size:13px}.text-link{text-decoration:underline;color:var(--accent);text-underline-offset:3px}.hidden{display:none}
@media(max-width:760px){.topbar{padding:0 20px;height:76px;gap:16px;flex-wrap:wrap}.brand-sub{display:none}.topbar nav{justify-content:center}.topbar nav a{padding:8px 8px}#identity span{display:none}main{padding:32px 16px 44px}.heading{align-items:flex-start}.heading h1,h2{text-wrap:balance}h1{font-size:26px}.heading p{font-size:13px}.heading button{padding:8px 16px;white-space:nowrap}.summary{grid-template-columns:repeat(3,minmax(0,1fr))}.metric{padding:16px 12px}.metric strong{font-size:23px}.metric small{display:block;margin-left:0;font-size:11px}.metric span{font-size:11px}.two-col{grid-template-columns:minmax(0,1fr)}.panel-head,.panel-body{padding:20px}.auth-layout{grid-template-columns:minmax(0,1fr);gap:32px;margin:16px auto;max-width:450px}.auth-copy h1,h2{text-wrap:balance}h1{font-size:34px;letter-spacing:-1px}.auth-copy>p{margin-top:12px;max-width:none}.auth-copy .note,.auth-lines{display:none}.auth-panel{padding:24px}.form-grid{gap:16px}.admin-note{flex-direction:column;gap:4px}.device{padding:20px}.device-top{align-items:flex-start}.subscription{flex-wrap:wrap}.subscription input{flex-basis:100%}.subscription button{flex:1}footer{padding:20px;font-size:11px}.usage-number{font-size:36px}.ring{width:94px;height:94px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

progress.progress{display:block;appearance:none;border:0;background:var(--tint);color:var(--accent)}progress::-webkit-progress-bar{background:var(--tint);border-radius:999px}progress::-webkit-progress-value{background:var(--accent);border-radius:999px}progress::-moz-progress-bar{background:var(--accent);border-radius:999px}

@media(max-width:760px){.topbar{height:auto;min-height:76px;padding:12px 20px;gap:8px}.topbar nav{order:3;flex-basis:100%;justify-content:flex-start}#identity{margin-left:auto}#identity button{padding:8px 12px;font-size:12px}}