:root{
  --ink:#12261b; --muted:#5d6f65; --faint:#8aa093;
  --paper:#f4f7f3; --paper-2:#edf3ee;
  --glass:rgba(255,255,255,.72); --glass-strong:rgba(255,255,255,.94);
  --glass-border:rgba(255,255,255,.85); --glass-highlight:rgba(255,255,255,.97);
  --line:#dde8de;
  --green:#0b6b42; --green-2:#0f7d4e;
  --mint:#dff3e7; --lime:#b9e36c;
  --accent-soft:rgba(11,107,66,.09);
  --ok:#17a36b; --ok-soft:rgba(23,163,107,.14);
  --danger:#a63131; --danger-soft:rgba(166,49,49,.1);
  --shadow:0 12px 38px rgba(20,52,33,.09);
  --glow:0 0 26px rgba(185,227,108,.14);
}
*{box-sizing:border-box}
html{background:var(--paper);min-height:100%}
body{margin:0;color:var(--ink);font:14px/1.55 Inter,"Noto Sans SC",system-ui,sans-serif;background:linear-gradient(160deg,var(--paper),var(--paper-2));min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:
  radial-gradient(520px 520px at 12% -6%,rgba(223,243,231,.6),transparent 62%),
  radial-gradient(520px 520px at 100% 12%,rgba(223,243,231,.5),transparent 62%),
  radial-gradient(420px 420px at 80% 94%,rgba(185,227,108,.08),transparent 60%)}
body *{position:relative;z-index:1}
.shell{min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:240px;padding:28px 20px;color:var(--ink);display:flex;flex-direction:column;background:linear-gradient(180deg,rgba(223,243,231,.88),rgba(214,237,223,.88));backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-right:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:17px;font-weight:760}
.brand small{display:block;color:#5d7a6a;font-size:11px;font-weight:500;letter-spacing:.12em}
.brandmark{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--lime),#b9e36c);color:#16351f;font:800 20px Georgia,serif;box-shadow:inset 0 0 0 1px rgba(255,255,255,.6),0 5px 16px rgba(185,227,108,.3)}
.brandmark.large{width:54px;height:54px;border-radius:15px;font-size:30px}
.sidebar nav{display:grid;gap:7px;margin-top:50px}
.sidebar nav a,.nav-button{padding:11px 14px;border-radius:10px;color:#3f5a4b;text-decoration:none;border:0;background:transparent;text-align:left;font:inherit;cursor:pointer;font-weight:600;transition:background .18s,color .18s}
.sidebar nav a:hover,.sidebar nav a.active{color:#0b6b42;background:rgba(255,255,255,.78);box-shadow:inset 0 0 0 1px rgba(255,255,255,.9)}
.logout{margin-top:auto}
.logout .nav-button{width:100%}
.main{margin-left:240px}
.topbar{height:54px;padding:17px 34px;border-bottom:1px solid var(--line);background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);font:600 12px ui-monospace,monospace;letter-spacing:.05em;color:var(--muted)}
.live-dot,.signal i,.public-status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#2db86c;box-shadow:0 0 0 4px rgba(45,184,108,.14);margin-right:9px}
.muted{color:var(--muted)}
.content{max-width:1280px;margin:auto;padding:42px 44px 70px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:28px}
.page-head h1{margin:2px 0 4px;font:650 clamp(28px,4vw,42px)/1.1 "Inter","Noto Sans SC",sans-serif;letter-spacing:-.03em;color:var(--ink)}
.page-head p{margin:0;color:var(--muted)}
.eyebrow{font:700 10px/1 ui-monospace,monospace!important;letter-spacing:.2em;color:var(--green)!important}
.button,button{display:inline-flex;justify-content:center;align-items:center;border:1px solid #cee0d3;border-radius:10px;padding:9px 15px;color:var(--ink);background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);font:650 13px inherit;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .18s,background .18s}
.primary{color:#fff;background:var(--green);border:none;box-shadow:0 8px 20px rgba(11,107,66,.2)}
button:hover,.button:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(20,52,33,.13),var(--glow)}
.wide{width:100%;padding:12px}
.danger{color:var(--danger);border-color:#e7caca;background:var(--danger-soft)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stats article{padding:22px;background:var(--glass-strong);border:1px solid rgba(255,255,255,.92);border-radius:14px;box-shadow:var(--shadow)}
.stats span,.stats small{display:block;color:var(--muted)}
.stats strong{display:block;margin:7px 0 2px;font:650 34px/1 "Inter","Noto Sans SC",sans-serif;color:var(--ink)}
.stats .signal{background:linear-gradient(160deg,var(--mint),#eef8f0);color:var(--ink)}
.stats .signal span,.stats .signal small{color:#3f5a4b}
.panel{background:var(--glass-strong);border:1px solid rgba(255,255,255,.92);border-radius:14px;box-shadow:var(--shadow)}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:19px 22px;border-bottom:1px solid var(--line)}
.panel-head h2{margin:0;font-size:15px;color:var(--ink)}
.panel-head p{margin:2px 0 0;color:var(--muted);font-size:12px}
.panel-head a{color:var(--green)}
.mail-list>a,.public-mails>a{display:flex;align-items:center;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line);color:inherit;text-decoration:none}
.mail-list>a:last-child,.public-mails>a:last-child{border-bottom:0}
.mail-list>a:hover,.public-mails>a:hover{background:#fbfdfb}
.avatar{display:grid;place-items:center;flex:0 0 36px;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--mint),#eef8f0);color:var(--green);font-weight:800;box-shadow:inset 0 0 0 1px rgba(255,255,255,.9)}
.mail-copy{display:grid;min-width:0;flex:1}
.mail-copy b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mail-copy em,.public-mails em{color:var(--muted);font-style:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mail-list code,.public-mails code{padding:4px 9px;border-radius:7px;background:#f1f7e5;color:#486821;font-weight:800}
.mail-list time,.public-mails time{color:var(--muted);font-size:11px;white-space:nowrap}
.empty{text-align:center;padding:65px 20px}
.empty b{font:600 20px "Inter","Noto Sans SC",sans-serif;color:var(--ink)}
.empty p{color:var(--muted)}
.flash{padding:11px 14px;margin-bottom:18px;border-radius:10px;background:#eaf6ed;color:#185b36;border:1px solid rgba(23,163,107,.22)}
.flash.error{background:#fae9e7;color:#932d2d;border:1px solid rgba(166,49,49,.2)}
.create-panel{margin-bottom:22px}
.create-grid{display:grid;grid-template-columns:1.5fr 1fr .65fr .8fr .9fr auto;align-items:end;gap:12px;padding:20px 22px}
label{display:grid;gap:6px;color:#526359;font-size:12px;font-weight:650}
input,select{width:100%;border:1px solid #ccd7ce;border-radius:10px;padding:10px 11px;background:#fff;color:var(--ink);font:14px inherit;outline:none;transition:border-color .18s,box-shadow .18s}
input:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(11,107,66,.1)}
input::placeholder{color:var(--muted)}
select option{background:#fff;color:var(--ink)}
.suffix-input{display:flex}
.suffix-input input{border-radius:10px 0 0 10px}
.suffix-input span{padding:10px;background:#eef3ef;border:1px solid #ccd7ce;border-left:0;border-radius:0 10px 10px 0;color:var(--muted)}
.search-head form{display:flex;gap:7px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:13px 17px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;color:var(--ink)}
th{font-size:10px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
tr:last-child td{border:0}
tr:hover td{background:#fbfdfb}
.address{font-weight:700;color:var(--ink)}
.badge{display:inline-block;padding:3px 9px;border-radius:99px;background:#edf0ed;color:#657168;font-size:11px}
.badge.good{background:var(--mint);color:var(--green)}
.credential-list{display:grid;gap:18px}
.credential{padding:22px}
.credential-title{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.credential-title h2{margin:0;color:var(--ink);overflow-wrap:anywhere}
.credential-title p{margin:2px 0;color:var(--muted)}
.credential label{margin:12px 0}
.copy-row{display:flex;gap:8px}
.copy-row input{font-family:ui-monospace,monospace}
.credential details{margin-top:15px}
.credential summary{cursor:pointer;color:var(--green)}
.action-strip{display:flex;gap:8px;padding:13px;margin-bottom:20px}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.settings-grid .panel{padding-bottom:22px}
.stack{display:grid;gap:14px;padding:22px}
.settings-grid form:not(.stack){padding:22px}
.generated{padding:16px 22px 0}
.api-help{margin-top:20px}
.api-help pre{padding:20px;overflow:auto;background:linear-gradient(160deg,var(--mint),#eef8f0);color:#23422f;border:1px solid rgba(255,255,255,.9);border-radius:0 0 15px 15px;margin:0;border-top:1px solid rgba(255,255,255,.9);font:13px/1.6 ui-monospace,monospace}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}
.login-card{width:min(440px,100%);padding:34px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.92);border-radius:20px;box-shadow:var(--shadow)}
.login-brand{display:flex;align-items:center;gap:16px}
.login-brand h1{margin:0;font:650 30px "Inter","Noto Sans SC",sans-serif;color:var(--ink)}
.login-brand p{margin:3px 0;color:var(--muted)}
.login-card .stack{padding:28px 0 8px}
.security-note{color:var(--muted);font-size:11px}
.public-main{margin:0}
.public-inbox,.reader-public{max-width:900px;padding-top:55px}
.public-header{display:flex;align-items:center;gap:15px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.public-header p{margin:0;color:var(--green);font:700 10px ui-monospace,monospace;letter-spacing:.17em}
.public-header h1{margin:2px 0;font:650 clamp(22px,5vw,34px) "Inter","Noto Sans SC",sans-serif;color:var(--ink);overflow-wrap:anywhere}
.public-header .icon-copy{margin-left:auto}
.public-status{display:flex;gap:22px;align-items:center;padding:14px 2px;color:var(--muted);font-size:12px}
.public-status a{margin-left:auto;color:var(--green)}
.public-status a+a{margin-left:0}
.public-mails{background:var(--glass-strong);border:1px solid rgba(255,255,255,.92);border-radius:14px;box-shadow:var(--shadow)}
.public-mails>a>span:nth-child(2){min-width:0;display:grid;flex:1}
.public-mails strong{margin:2px 0;color:var(--ink)}
.public-empty{padding:100px 20px}
.radar{width:58px;height:58px;margin:0 auto 22px;border:1px solid #a9cbb4;border-radius:50%;display:grid;place-items:center}
.radar i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 12px rgba(11,107,66,.1),0 0 0 24px rgba(11,107,66,.05)}
.public-footer{text-align:center;margin-top:30px;color:var(--muted);font-size:11px}
.reader-head{padding-bottom:24px;border-bottom:1px solid var(--line)}
.reader-head h1{font:650 34px "Inter","Noto Sans SC",sans-serif;color:var(--ink)}
.back{color:var(--green)}
.sender-line{display:flex;align-items:center;gap:12px}
.sender-line div{display:grid}
.sender-line span{color:var(--muted)}
.sender-line time{margin-left:auto;color:var(--muted)}
.otp{display:flex;align-items:center;gap:15px;margin-top:22px;padding:15px 17px;border:1px solid #d4e5b8;border-radius:12px;background:#f5faeb}
.otp strong{font:800 25px ui-monospace,monospace;letter-spacing:.16em;color:var(--ink)}
.otp button{margin-left:auto}
.message-body{margin-top:20px;padding:28px;background:#fff;border:1px solid rgba(255,255,255,.92);border-radius:16px;overflow-wrap:anywhere;color:var(--ink)}
.message-body img{max-width:100%}
.message-body pre{white-space:pre-wrap;font:14px/1.7 inherit}
.message-body table{width:auto;max-width:100%}
@media(max-width:980px){.sidebar{width:190px}.main{margin-left:190px}.stats{grid-template-columns:1fr 1fr}.create-grid{grid-template-columns:1fr 1fr}.content{padding:32px 25px}}
@media(max-width:680px){.sidebar{position:static;width:auto;padding:16px}.sidebar nav{grid-template-columns:repeat(3,1fr);margin:18px 0 0}.sidebar nav a{text-align:center}.logout{display:none}.main{margin:0}.topbar{display:none}.content{padding:27px 16px 50px}.page-head{align-items:flex-start;flex-direction:column}.stats,.settings-grid,.create-grid{grid-template-columns:1fr}.mail-list>a,.public-mails>a{padding:13px}.mail-list time,.public-mails time{display:none}.public-header{align-items:flex-start;flex-wrap:wrap}.public-header .icon-copy{margin-left:0}.sender-line time{display:none}.otp{flex-wrap:wrap}.otp button{margin-left:0}.action-strip{flex-wrap:wrap}}