:root{
  --ink:#111318;--ink-2:#30343b;--muted:#707781;--line:#e3e5e8;--line-strong:#cfd3d8;
  --surface:#fff;--surface-2:#f5f6f7;--surface-3:#eceff2;--accent:#165dff;--accent-soft:#edf3ff;
  --danger:#c9362b;--success:#168250;--warning:#a76600;--radius:10px;--shadow:0 1px 2px rgba(17,19,24,.05);
  --font:Pretendard,"Noto Sans KR","Apple SD Gothic Neo",Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif
}
*{box-sizing:border-box}
html{background:#f7f8f9;color:var(--ink);font-family:var(--font);font-size:16px}
body{margin:0;background:#f7f8f9;color:var(--ink);font-family:var(--font);letter-spacing:-.012em}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button,a,input,textarea,select{outline-color:var(--accent)}
::selection{background:#dce7ff;color:#091d4a}
.skip{position:fixed;left:16px;top:-80px;z-index:1000;padding:10px 14px;background:#111;color:#fff;border-radius:6px}
.skip:focus{top:16px}
.site-header{position:sticky;top:0;z-index:50;height:64px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(18px)}
.header-inner{width:min(1180px,calc(100% - 40px));height:100%;margin:auto;display:flex;align-items:center;gap:28px}
.brand-group{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand-group>i{width:1px;height:18px;background:var(--line-strong)}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:16px;font-weight:800;letter-spacing:-.03em}
.brand img{width:24px;height:24px}
.brand-product{font-size:14px;font-weight:650;color:var(--ink-2)}
.primary-nav{display:flex;align-items:center;gap:4px;margin-right:auto}
.primary-nav a{padding:9px 11px;border-radius:7px;color:#555c66;font-size:14px;font-weight:560}
.primary-nav a:hover{background:var(--surface-2);color:var(--ink)}
.primary-nav a[aria-current=page]{background:#eef2f6;color:var(--ink);font-weight:720}
.header-account{display:flex;align-items:center;gap:8px}
.quiet-link,.header-cta{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 12px;border-radius:8px;font-size:14px;font-weight:650}
.quiet-link:hover{background:var(--surface-2)}
.header-cta{border:1px solid #111820;background:#111820;color:#fff}
.header-cta:hover{background:#252b34}
.nav-toggle{display:none;margin-left:auto;border:0;background:transparent;padding:8px}
.site-footer{width:min(1180px,calc(100% - 40px));margin:80px auto 0;padding:28px 0 38px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:20px;color:var(--muted);font-size:13px}
.site-footer>div p{margin:9px 0 0}
.site-footer nav{display:flex;gap:20px;align-items:center}
.site-footer small{grid-column:1/-1;color:#9ba0a8}
.overline,.eyebrow{margin:0 0 12px;color:var(--muted)!important;font-size:13px!important;font-weight:650!important;letter-spacing:0!important;text-transform:none!important}
.overline::before,.eyebrow::before{content:"";display:inline-block;width:18px;height:1px;margin:0 8px 3px 0;background:#aeb3ba}
h1,h2,h3,p{word-break:keep-all}
h1,h2,h3{color:var(--ink);letter-spacing:-.045em}
.btn,.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:0 17px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;color:var(--ink);font-weight:700;cursor:pointer;box-shadow:none;transition:background .15s,border-color .15s,transform .15s}
.btn:hover,.button:hover{background:#f2f3f5;border-color:#b8bdc4}
.btn:active,.button:active{transform:translateY(1px)}
.btn.primary,.button.primary{border-color:#111820;background:#111820;color:#fff}
.btn.primary:hover,.button.primary:hover{background:#242b34}
.btn.secondary,.button.secondary{background:#fff}
.btn.danger,.button.danger{border-color:#efd0cd;background:#fff7f6;color:var(--danger)}
.btn.success,.button.success{border-color:#cbe5d7;background:#f3fbf6;color:var(--success)}
.btn.full,.button.wide{width:100%}
.btn:disabled,.button:disabled{cursor:not-allowed;opacity:.48}
.ico{flex:0 0 auto}
.notice{display:flex;align-items:flex-start;gap:10px;margin:0 0 18px;padding:12px 14px;border:1px solid #d9e3f8;border-radius:8px;background:#f5f8ff;color:#30466d;font-size:14px;line-height:1.55}
.notice>span{width:6px;height:6px;margin-top:7px;border-radius:50%;background:var(--accent)}
.notice.error{border-color:#efd0cd;background:#fff7f6;color:#8d2d26}
.notice.error>span{background:var(--danger)}
.form-stack{display:grid;gap:16px}
.form-stack label,.checking-input label,.settings-form label,.issue-form label,.license-panel label{display:grid;gap:7px;color:#30353c;font-size:13px;font-weight:700}
input,textarea,select{width:100%;border:1px solid var(--line-strong);border-radius:8px;background:#fff;color:var(--ink);padding:12px 13px;box-shadow:0 1px 0 rgba(17,19,24,.02)}
input:hover,textarea:hover,select:hover{border-color:#aab0b8}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(22,93,255,.12)}
label small,.fine-print{color:var(--muted);font-size:12px;font-weight:450;line-height:1.5}
.checkline{grid-template-columns:18px 1fr!important;align-items:center}
.checkline input{width:16px;height:16px;margin:0}
.status-chip,.state-chip{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;border:1px solid #d9dde2;border-radius:999px;background:#fff;color:#525963;font-size:12px;font-weight:700}
.status-chip.good,.state-chip.good{border-color:#c9e6d6;background:#f1faf5;color:#157547}
.status-chip.bad{border-color:#efd0cd;background:#fff6f5;color:#b22f27}

/* Sign in */
.mail-login-shell{min-height:100vh;background:#f1f3f5}
.mail-login-shell::before{content:"";position:fixed;inset:0;background:linear-gradient(rgba(255,255,255,.5),rgba(255,255,255,.5)),linear-gradient(90deg,transparent 49.9%,rgba(17,19,24,.035) 50%,transparent 50.1%);background-size:auto,80px 80px;pointer-events:none}
.mail-login{position:relative;width:min(440px,calc(100% - 32px));margin:0 auto;padding:11vh 0 60px}
.login-brand{display:flex;align-items:center;gap:10px;margin-bottom:48px;font-size:15px;font-weight:800}
.login-brand img{width:30px;height:30px}
.login-copy{margin-bottom:27px}
.login-copy h1{margin:0 0 10px;font-size:34px;line-height:1.14}
.login-copy>p:last-child{margin:0;color:var(--muted);font-size:14px}
.mail-login .form-stack{padding:26px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}
.mail-login>footer{display:flex;justify-content:center;gap:18px;margin-top:20px;color:var(--muted);font-size:13px}
.mail-login>footer a:hover{color:var(--ink);text-decoration:underline}

/* Public and account pages */
.home-hero,.mail-entry,.account-hero,.number-hero,.feature-head{width:min(1120px,calc(100% - 40px));margin:0 auto}
.home-hero,.mail-entry{padding:82px 0 52px}
.home-hero h1,.mail-entry h1,.feature-head h1,.account-hero h1,.number-hero h1{margin:0;font-size:clamp(36px,5vw,64px);line-height:1.05;font-weight:760}
.home-hero h1 em{color:var(--accent);font-style:normal}
.home-hero .lead,.mail-entry>div>p,.feature-head>p,.number-hero>div>p{max-width:650px;margin:22px 0 0;color:var(--muted);font-size:17px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.hero-notes{display:flex;gap:0;margin:52px 0 0;padding:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);list-style:none}
.hero-notes li{min-width:150px;padding:18px 28px 18px 0}
.hero-notes li+li{padding-left:28px;border-left:1px solid var(--line)}
.hero-notes b,.hero-notes span{display:block}
.hero-notes b{font-size:14px}
.hero-notes span{margin-top:5px;color:var(--muted);font-size:12px}
.mail-stage,.entry-note,.data-panel,.checking-input,.checking-results,.plus-login>div,.plus-login>form,.plus-workspace>*,.status-board article,.status-notice,.payment-sheet,.account-hero aside{border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:var(--shadow)}
.mail-entry{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:70px;align-items:center}
.entry-note{padding:24px}
.entry-note>span{font-size:13px;font-weight:750}
.entry-note ul{margin:15px 0 0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.75}
.feature-shell,.account-page,.utility-shell{background:#f7f8f9}
.feature-head{padding:72px 0 34px}
.feature-head h1{font-size:46px}
.checking-layout,.plus-workspace,.plus-login,.account-grid,.status-page,.narrow-page,.charge-page{width:min(1120px,calc(100% - 40px));margin:0 auto}
.checking-layout{display:grid;grid-template-columns:360px 1fr;gap:16px}
.checking-input,.checking-results,.plus-workspace>*,.status-notice,.data-panel{padding:24px}
.checking-input textarea{min-height:290px;resize:vertical}
.checking-results header,.data-panel header,.plus-output header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.checking-results h2,.data-panel h2,.plus-output h2{margin:0;font-size:19px}
.catalog-empty{display:grid;min-height:260px;place-content:center;text-align:center;color:var(--muted)}
.catalog-empty span{font-size:12px}
.catalog-empty h2{margin:10px 0 4px;color:var(--ink);font-size:20px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{background:#fafbfc;color:var(--muted);font-size:12px;font-weight:650}
.plus-login{display:grid;grid-template-columns:1fr 420px;gap:24px;padding-top:90px}
.plus-login>div,.plus-login>form{padding:32px}
.plus-login h1{margin:0;font-size:38px}
.plus-login dl{margin-top:28px}
.plus-login dl div{display:flex;justify-content:space-between;padding:13px 0;border-top:1px solid var(--line)}
.plus-workspace{display:grid;grid-template-columns:340px 1fr;gap:16px}
.plus-output textarea{min-height:360px;font-family:"SFMono-Regular",Consolas,monospace;font-size:12px}
.status-page{padding-top:72px}
.status-page>header{display:flex;align-items:center;gap:16px;margin-bottom:28px}
.status-page h1{margin:0;font-size:40px}
.status-signal{width:11px;height:11px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px #e5f5ec}
.status-board{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.status-board article{padding:20px}
.status-board article>div{display:flex;justify-content:space-between}
.status-board p{margin:10px 0 0;color:var(--muted);font-size:13px}
.status-notice{margin-top:14px}
.account-hero{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:end;padding:72px 0 26px}
.account-hero h1{font-size:46px}
.account-hero aside{padding:22px}
.account-hero aside small,.account-hero aside strong{display:block}
.account-hero aside strong{margin:7px 0 18px;font-size:30px}
.account-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.account-grid .wide{grid-column:1/-1}
.logout-form{width:min(1120px,calc(100% - 40px));margin:18px auto;text-align:right}
.logout-form button{border:0;background:transparent;color:var(--muted);cursor:pointer}
.narrow-page,.charge-page{max-width:620px;padding-top:70px}
.narrow-page h1,.charge-page h1{margin:0 0 12px;font-size:38px}
.narrow-page .form-stack{margin-top:24px;padding:24px;border:1px solid var(--line);border-radius:10px;background:#fff}
.quick-amount{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.quick-amount button{padding:9px;border:1px solid var(--line);border-radius:7px;background:#fff}
.charge-steps{display:grid;grid-template-columns:repeat(3,1fr);margin:26px 0;padding:0;list-style:none}
.charge-steps li{padding:12px;border-bottom:2px solid var(--line);color:var(--muted);font-size:12px}
.charge-steps li.done,.charge-steps li.active{border-color:var(--accent);color:var(--ink)}
.charge-steps span{margin-right:6px}
.payment-sheet{padding:8px 22px}
.payment-sheet>div{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.payment-sheet>div:last-child{border-bottom:0}

/* Mail application */
.mail-app-shell{height:100vh;overflow:hidden;background:#fff}
.mail-app{height:100vh;display:grid;grid-template-columns:236px 390px minmax(0,1fr);background:#fff}
.mail-sidebar{position:relative;display:flex;flex-direction:column;padding:18px 14px;border-right:1px solid var(--line);background:#f4f5f6}
.mail-brand-row{display:flex;align-items:center;justify-content:space-between;padding:3px 6px 20px}
.mail-wordmark{display:flex;align-items:center;gap:9px;font-size:14px}
.mail-wordmark img{width:25px;height:25px}
.mail-home-link{display:flex;gap:4px;color:var(--muted);font-size:11px}
.compose-button{display:flex;align-items:center;gap:8px;width:100%;padding:11px 12px;border:1px solid #cfd4da;border-radius:8px;background:#fff;color:var(--ink);font-weight:720;cursor:pointer}
.mail-sidebar nav{display:grid;gap:3px;margin-top:14px}
.mail-sidebar nav a{display:grid;grid-template-columns:22px 1fr auto;align-items:center;min-height:40px;padding:0 10px;border-radius:7px;color:#59606a;font-size:13px;font-weight:600}
.mail-sidebar nav a:hover{background:#e9ebee;color:var(--ink)}
.mail-sidebar nav a.active{background:#dde3eb;color:#141a22}
.mail-sidebar nav a b{font-size:11px}
.expiry-box{margin-top:auto;padding:14px 10px;border-top:1px solid var(--line)}
.expiry-box span,.expiry-box strong,.expiry-box small{display:block}
.expiry-box span,.expiry-box small{color:var(--muted);font-size:11px}
.expiry-box strong{margin:5px 0;font-size:19px;font-variant-numeric:tabular-nums}
.mail-account{position:relative;border-top:1px solid var(--line)}
.mail-account summary{display:flex;align-items:center;gap:9px;padding:13px 7px;cursor:pointer;list-style:none}
.mail-account summary>span{display:grid;width:30px;height:30px;place-content:center;border:1px solid #d1d5da;border-radius:50%;background:#fff;font-size:12px}
.mail-account summary div{min-width:0}
.mail-account summary b,.mail-account summary small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mail-account summary b{font-size:11px}
.mail-account summary small{margin-top:2px;color:var(--muted);font-size:10px}
.account-pop{position:absolute;bottom:60px;left:4px;right:4px;z-index:5;padding:7px;border:1px solid var(--line);border-radius:9px;background:#fff;box-shadow:0 12px 40px rgba(17,19,24,.14)}
.account-pop button{width:100%;padding:9px;border:0;border-radius:6px;background:transparent;text-align:left;font-size:12px}
.account-pop button:hover{background:var(--surface-2)}
.mail-list-pane{min-width:0;border-right:1px solid var(--line);background:#fff}
.mail-toolbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 17px;border-bottom:1px solid var(--line)}
.mail-toolbar small,.mail-toolbar div>*{display:block}
.mail-toolbar small{color:var(--muted);font-size:10px}
.current-address{padding:2px 0;border:0;background:transparent;color:var(--ink);font-size:12px;font-weight:700}
.sidebar-toggle{display:none;border:0;background:transparent}
.icon-button{display:grid;width:34px;height:34px;place-content:center;border:1px solid var(--line);border-radius:7px;background:#fff;cursor:pointer}
.mail-search{display:flex;align-items:center;margin:14px 16px 8px;padding-left:10px;border:1px solid var(--line);border-radius:7px;background:#f8f9fa}
.mail-search input{border:0;background:transparent;box-shadow:none;padding:10px}
.mail-search button{margin-right:4px;padding:6px 9px;border:0;border-radius:5px;background:transparent;color:var(--muted)}
.list-heading{display:flex;align-items:center;justify-content:space-between;padding:13px 17px 11px}
.list-heading>div{display:flex;align-items:center;gap:8px}
.list-heading h1{margin:0;font-size:16px}
.list-heading span{color:var(--muted);font-size:11px}
.message-list{overflow:auto;height:calc(100vh - 151px)}
.message-row{width:100%;display:grid;grid-template-columns:32px 1fr 6px;gap:10px;padding:15px 16px;border:0;border-top:1px solid #eceef0;background:#fff;text-align:left;cursor:pointer}
.message-row:hover{background:#f7f8f9}
.message-row.selected{background:#eef3fb}
.sender-avatar{display:grid;width:30px;height:30px;place-content:center;border-radius:8px;background:#e8ebef;color:#454c56;font-size:12px;font-weight:800}
.message-summary{min-width:0}
.message-summary>span{display:flex;justify-content:space-between;gap:8px}
.message-summary b,.message-summary strong,.message-summary small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.message-summary b{font-size:12px}
.message-summary time{color:#969ca5;font-size:10px}
.message-summary strong{margin-top:5px;font-size:13px}
.message-summary small{margin-top:5px;color:var(--muted);font-size:11px}
.unread-mark{align-self:center;width:6px;height:6px;border-radius:50%;background:transparent}
.message-row.unread .unread-mark{background:var(--accent)}
.mail-reader{min-width:0;overflow:auto;background:#fbfbfc}
.reader-message{display:none;max-width:860px;margin:0 auto;padding:48px clamp(28px,5vw,72px)}
.reader-message.active{display:block}
.reader-back{display:none}
.reader-head{display:flex;align-items:flex-start;justify-content:space-between;padding-bottom:24px;border-bottom:1px solid var(--line)}
.reader-head p{margin:0 0 9px;color:var(--muted);font-size:11px}
.reader-head h1{margin:0;font-size:30px;line-height:1.25}
.message-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:20px 0 0;padding-bottom:20px;border-bottom:1px solid var(--line)}
.message-meta dt{color:var(--muted);font-size:10px}
.message-meta dd{margin:5px 0 0;font-size:12px}
.reader-body{padding:32px 0;color:#292e35;font-size:15px;line-height:1.8}
.reader-empty{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted)}
.reader-empty>span{display:grid;width:54px;height:54px;margin:0 auto 14px;place-content:center;border:1px solid var(--line);border-radius:12px;background:#fff}
.reader-empty b{color:var(--ink);font-size:15px}
.reader-empty p{max-width:360px;font-size:13px}
.mail-empty{display:grid;min-height:330px;padding:50px 24px;place-content:center;text-align:center;color:var(--muted)}
.wait-mail-icon{display:grid;width:46px;height:46px;margin:0 auto 14px;place-content:center;border:1px solid var(--line);border-radius:10px;background:#fff}
.mail-empty b{color:var(--ink);font-size:14px}
.mail-empty p,.mail-empty small{max-width:270px;font-size:12px;line-height:1.6}
.mail-wait-meta{display:flex;justify-content:center;gap:12px;margin:13px 0;color:#79818b;font-size:10px}
.empty-copy{justify-self:center;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:11px}
.compose{width:min(620px,calc(100% - 32px));padding:0;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 30px 80px rgba(17,19,24,.2)}
.compose::backdrop{background:rgba(17,19,24,.35)}
.compose form{display:grid}
.compose header,.compose footer{display:flex;align-items:center;justify-content:space-between;padding:16px 19px;background:#f6f7f8}
.compose header{border-bottom:1px solid var(--line)}
.compose footer{border-top:1px solid var(--line)}
.compose label{display:grid;grid-template-columns:90px 1fr;align-items:center;padding:0 18px;border-bottom:1px solid var(--line);font-size:12px}
.compose label input,.compose label textarea{border:0;border-radius:0;box-shadow:none}
.compose label textarea{min-height:250px;resize:vertical}
.toast{position:fixed;right:18px;bottom:18px;z-index:100;padding:11px 14px;border-radius:7px;background:#171a1f;color:#fff;font-size:12px;opacity:0;transform:translateY(8px);pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:none}

/* Number */
.number-page{background:#f7f8f9;color:var(--ink)}
.number-page .site-header{background:rgba(255,255,255,.94)}
.number-shell{width:min(1120px,calc(100% - 40px));margin:0 auto;padding-bottom:60px}
.number-hero{width:100%;display:flex;align-items:flex-end;justify-content:space-between;padding:70px 0 32px;border-bottom:1px solid var(--line)}
.number-hero h1{font-size:48px}
.number-hero .member-tag{display:flex;align-items:center;gap:7px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink-2);font-size:12px}
.number-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;padding-top:20px}
.number-overview,.license-panel,.number-result,.number-history,.policy-note,.admin-card,.generated-box{border:1px solid var(--line)!important;border-radius:10px!important;background:#fff!important;color:var(--ink)!important;box-shadow:var(--shadow)!important}
.number-overview,.license-panel,.number-result,.number-history,.admin-card,.generated-box{padding:24px!important}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.section-heading h2,.license-panel h2,.admin-card h2{margin:0;font-size:20px}
.detail-list{margin:0}
.detail-list>div{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:13px 0;border-bottom:1px solid var(--line)!important}
.detail-list dt{color:var(--muted)!important;font-size:12px}
.detail-list dd{margin:0;color:var(--ink)!important;font-size:13px;font-weight:650}
.issue-form{margin-top:20px}
.issue-form p{color:var(--muted)!important;font-size:11px}
.number-result{grid-column:1/-1}
.phone-value{font-size:24px!important;letter-spacing:.02em}
.waiting-line,.maintenance-bar{display:flex;align-items:center;gap:9px;padding:13px;border:1px solid #d9e3f8!important;border-radius:8px!important;background:#f5f8ff!important;color:#30466d!important;font-size:13px}
.code-box{margin-top:18px;padding:20px;border:1px solid #cfe0ff!important;border-radius:9px!important;background:#f5f8ff!important}
.code-box strong{color:var(--ink)!important;font-size:34px}
.button-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.number-history{margin-top:14px}
.history-list article{display:flex;justify-content:space-between;padding:14px 0;border-top:1px solid var(--line)!important}
.history-list span,.history-list time,.history-list small{color:var(--muted)!important;font-size:11px}
.policy-note{display:flex;gap:10px;margin-top:14px;padding:16px!important}
.policy-note p{margin:0;color:var(--muted)!important;font-size:12px;line-height:1.6}
.admin-grid{display:grid;grid-template-columns:340px 1fr;gap:14px;padding-top:20px}
.table-card{margin-top:14px}
.settings-form{display:grid;gap:14px}
.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.audit-list>div{display:flex;justify-content:space-between;padding:11px 0;border-top:1px solid var(--line)!important}
.audit-list span{color:var(--muted)!important;font-size:11px}

@media (max-width:900px){
  .header-inner{width:calc(100% - 28px)}
  .nav-toggle{display:grid;place-content:center}
  .primary-nav,.header-account{display:none}
  .site-header.open .primary-nav{position:absolute;left:14px;right:14px;top:58px;display:grid;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 16px 40px rgba(17,19,24,.12)}
  .site-header.open .header-account{position:absolute;left:22px;right:22px;top:310px;display:flex;padding:10px;background:#fff}
  .home-hero,.mail-entry{grid-template-columns:1fr;gap:28px;padding-top:55px}
  .mail-entry{display:grid}
  .checking-layout,.plus-login,.plus-workspace,.account-hero,.account-grid,.number-grid,.admin-grid{grid-template-columns:1fr}
  .account-grid .wide,.number-result{grid-column:auto}
  .status-board{grid-template-columns:1fr}
  .mail-app{grid-template-columns:220px 340px minmax(0,1fr)}
  .message-meta{grid-template-columns:1fr}
}
@media (max-width:720px){
  .site-footer{grid-template-columns:1fr}
  .site-footer nav{flex-wrap:wrap}
  .home-hero h1,.mail-entry h1,.feature-head h1,.number-hero h1{font-size:36px}
  .hero-notes{display:grid}
  .hero-notes li+li{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .mail-app{display:block}
  .mail-sidebar{position:fixed;inset:0 auto 0 0;z-index:40;width:255px;transform:translateX(-100%);transition:transform .2s}
  .mail-app.sidebar-open .mail-sidebar{transform:none}
  .mail-list-pane{height:100vh;border:0}
  .sidebar-toggle{display:grid;place-content:center}
  .mail-reader{position:fixed;inset:0;z-index:30;display:none;background:#fff}
  .mail-app.reader-open .mail-reader{display:block}
  .reader-message{padding:18px}
  .reader-back{display:inline-flex;align-items:center;gap:6px;margin-bottom:22px;border:0;background:transparent}
  .reader-head h1{font-size:24px}
  .mail-scrim{position:fixed;inset:0;z-index:35;display:none;background:rgba(17,19,24,.35)}
  .mail-app.sidebar-open .mail-scrim{display:block}
  .number-shell,.home-hero,.mail-entry,.feature-head,.checking-layout,.plus-workspace,.plus-login,.account-hero,.account-grid,.status-page,.narrow-page,.charge-page{width:calc(100% - 28px)}
  .number-hero{align-items:flex-start;flex-direction:column;gap:20px;padding-top:46px}
  .detail-list>div{grid-template-columns:1fr;gap:5px}
  .field-pair{grid-template-columns:1fr}
  .button-row>*{width:100%}
  .button-row form .button,.button-row>.button{width:100%}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Mail public home */
.home-page-v4{background:#fff}
.mail-quiet-hero{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:90px 0 72px;display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:90px;align-items:center}
.mail-quiet-hero h1{margin:0;color:var(--ink);font-size:clamp(48px,5.5vw,72px);font-weight:760;line-height:1.03;letter-spacing:-.07em}
.mail-quiet-hero>div>p:not(.overline){max-width:620px;margin:25px 0 0;color:var(--muted);font-size:17px;line-height:1.75}
.quiet-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;color:#7b828b;font-size:12px}
.quiet-facts i{width:1px;height:12px;background:var(--line-strong)}
.mail-quiet-info{overflow:hidden;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 18px 60px rgba(17,19,24,.08)}
.mail-quiet-info header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);background:#fafbfc}
.mail-quiet-info header b{font-size:13px}
.mail-quiet-info header span{display:flex;align-items:center;gap:7px;color:var(--success);font-size:11px;font-weight:700}
.mail-quiet-info header span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success)}
.mail-quiet-info dl{margin:0;padding:6px 18px}
.mail-quiet-info dl div{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}
.mail-quiet-info dt{color:var(--muted);font-size:12px}
.mail-quiet-info dd{margin:0;font-size:12px;font-weight:700}
.mail-quiet-info>a{display:block;padding:13px 18px;border-top:1px solid var(--line);background:#fafbfc;color:var(--muted);font-size:11px}
.mail-quiet-section{width:100%;padding:70px max(20px,calc((100% - 1120px)/2));background:#f5f6f7}
.mail-quiet-section>header{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:end;margin-bottom:30px}
.mail-quiet-section h2{margin:0;font-size:36px;letter-spacing:-.05em}
.mail-quiet-section header p{margin:0;color:var(--muted);font-size:14px}
.mail-rule-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.mail-rule-grid article{padding:27px 28px 27px 0}
.mail-rule-grid article+article{padding-left:28px;border-left:1px solid var(--line-strong)}
.mail-rule-grid span{display:block;margin-bottom:25px;color:#969ca4;font-size:11px}
.mail-rule-grid h3{margin:0 0 7px;font-size:18px}
.mail-rule-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.mail-product-row{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:70px 0;display:grid;grid-template-columns:1fr auto auto;gap:40px;align-items:center;border-bottom:1px solid var(--line)}
.mail-product-row h2{margin:0;font-size:28px;letter-spacing:-.04em}
.mail-product-row>div>p:last-child{max-width:520px;color:var(--muted);font-size:13px;line-height:1.6}
.mail-product-row dl{display:flex;margin:0}
.mail-product-row dl div{min-width:105px;padding:0 20px;border-left:1px solid var(--line)}
.mail-product-row dt,.mail-product-row dd{display:block}
.mail-product-row dt{color:var(--muted);font-size:10px}
.mail-product-row dd{margin:6px 0 0;font-size:14px;font-weight:700}
.mail-quiet-caution{width:min(1120px,calc(100% - 40px));margin:18px auto 0;padding:16px 0;display:flex;gap:18px;color:var(--muted);font-size:12px}
.mail-quiet-caution b{color:var(--ink)}
.mail-quiet-caution p{margin:0}
@media(max-width:900px){
  .mail-quiet-hero{grid-template-columns:1fr;gap:38px}
  .mail-quiet-section>header{grid-template-columns:1fr}
  .mail-product-row{grid-template-columns:1fr}
}
@media(max-width:680px){
  .mail-quiet-hero,.mail-product-row,.mail-quiet-caution{width:calc(100% - 28px)}
  .mail-quiet-hero{padding:55px 0}
  .mail-quiet-hero h1{font-size:42px}
  .mail-quiet-section{padding:52px 14px}
  .mail-rule-grid{grid-template-columns:1fr}
  .mail-rule-grid article+article{padding-left:0;border-left:0;border-top:1px solid var(--line-strong)}
  .mail-product-row dl{display:grid;grid-template-columns:repeat(3,1fr)}
  .mail-product-row dl div{padding:0 10px}
  .mail-quiet-caution{display:block}
  .mail-quiet-caution p{margin-top:6px}
}
/* Minimal unified account */
.auth-v4{background:#f5f6f7}
.auth-v4 .auth-page.auth-minimal{width:min(470px,calc(100% - 32px));min-height:auto;margin:0 auto;padding:72px 0 48px;display:block}
.auth-minimal>header{margin-bottom:24px}
.auth-minimal>header h1{margin:0;font-size:38px;letter-spacing:-.055em}
.auth-minimal>header>p:last-child{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.65}
.auth-minimal .auth-card{padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:var(--shadow)}
.auth-minimal .auth-tabs{margin-bottom:24px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#f5f6f7}
.auth-minimal .auth-tabs a{min-height:38px;border-radius:6px;font-size:13px}
.auth-minimal .auth-tabs a.active{background:#fff;box-shadow:0 1px 2px rgba(17,19,24,.08)}
.auth-minimal .auth-home-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;color:var(--muted);font-size:12px}
.auth-minimal .auth-footnote{margin:20px 0 0;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;line-height:1.6}
.auth-minimal .auth-footnote a{color:var(--ink);text-decoration:underline}
.auth-minimal .auth-submit small{display:none}
.auth-minimal .username-suggestions{border-radius:8px}
@media(max-width:680px){
  .auth-v4 .auth-page.auth-minimal{padding:44px 0}
  .auth-minimal>header h1{font-size:34px}
}