:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#17181b;background:#f6f7f9;--pink:#ff4fa3;--line:#e7e8ec;--muted:#747780}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f6f7f9}.app{display:flex;min-height:100vh}.sidebar{width:250px;background:#fff;border-right:1px solid var(--line);padding:22px 14px;display:flex;flex-direction:column;gap:22px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;padding:0 10px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#17181b;color:#fff}.compose{border:0;border-radius:13px;padding:13px 16px;background:#17181b;color:#fff;font-weight:700;cursor:pointer;text-align:left}.compose:hover{transform:translateY(-1px)}nav{display:grid;gap:4px}.nav-item{border:0;background:transparent;padding:11px 12px;border-radius:10px;display:flex;align-items:center;gap:11px;text-align:left;font-size:14px;cursor:pointer;color:#45474d}.nav-item span{flex:1}.nav-item b{font-size:11px;color:#8a8d95}.nav-item.active,.nav-item:hover{background:#f2f3f5;color:#17181b}.sidebar-bottom{margin-top:auto;padding:10px;font-size:12px}.sidebar-bottom a{color:#888;text-decoration:none}.main{flex:1;min-width:0}.topbar{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:18px;padding:0 26px}.search{height:44px;max-width:650px;flex:1;background:#f3f4f6;border:1px solid transparent;border-radius:12px;display:flex;align-items:center;padding:0 13px;gap:8px}.search:focus-within{background:#fff;border-color:#dfe1e6;box-shadow:0 3px 15px #00000008}.search input{border:0;outline:0;background:transparent;width:100%;font-size:14px}.account{margin-left:auto;display:flex;align-items:center;gap:9px;font-size:13px}.avatar{width:34px;height:34px;border-radius:50%;background:#ffd5e9;display:grid;place-items:center;font-weight:800}.mobile-menu{display:none;border:0;background:transparent;font-size:20px}.content{height:calc(100vh - 76px);display:flex}.list-pane{width:390px;background:#fff;border-right:1px solid var(--line);overflow:auto}.list-head{padding:24px 20px 17px;display:flex;align-items:center;justify-content:space-between}.list-head h1{font-size:22px;margin:0}.list-head p{font-size:12px;color:var(--muted);margin:5px 0 0}.icon-btn{border:0;background:transparent;font-size:22px;cursor:pointer;color:#696c73;border-radius:9px;padding:6px}.icon-btn:hover{background:#f1f2f4}.message-list{border-top:1px solid var(--line)}.message{padding:15px 20px;border-bottom:1px solid var(--line);cursor:pointer;display:grid;grid-template-columns:34px 1fr auto;gap:10px}.message:hover{background:#fafafa}.message.unread{background:#fff8fb}.message.unread .sender,.message.unread .subject{font-weight:800}.sender{font-size:13px}.preview{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.subject{font-size:13px;margin-top:4px}.date{font-size:11px;color:#8a8d95}.dot{width:8px;height:8px;border-radius:50%;background:var(--pink);margin-top:5px}.reader{flex:1;min-width:0;background:#fff}.empty{height:100%;display:grid;place-content:center;text-align:center;color:#8a8d95}.empty-icon{font-size:42px;margin-bottom:8px}.empty h2{font-size:18px;color:#303238;margin:0 0 5px}.empty p{margin:0;font-size:13px}.reader-inner{padding:38px 48px;max-width:900px}.reader-head{border-bottom:1px solid var(--line);padding-bottom:22px}.reader-subject{font-size:24px;margin:0 0 18px}.reader-meta{display:flex;gap:12px;align-items:center}.reader-meta .avatar{flex:none}.reader-meta strong{font-size:14px}.reader-meta small{display:block;color:var(--muted);margin-top:3px}.reader-body{padding-top:28px;white-space:pre-wrap;line-height:1.7;font-size:15px}.modal{position:fixed;inset:0;background:#0007;display:grid;place-items:center;padding:20px;z-index:10}.modal.hidden{display:none}.modal-card{width:min(620px,100%);background:#fff;border-radius:18px;box-shadow:0 20px 70px #0003;overflow:hidden}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.modal-head h2{margin:0;font-size:17px}.modal-card form{padding:20px;display:grid;gap:14px}.modal-card label{font-size:12px;color:#696c73;display:grid;gap:7px}.modal-card input,.modal-card textarea{width:100%;border:1px solid #dddfe4;border-radius:10px;padding:11px 12px;font:inherit;outline:0}.modal-card input:focus,.modal-card textarea:focus{border-color:#ff8ac2;box-shadow:0 0 0 3px #ff4fa31a}.modal-actions{display:flex;justify-content:flex-end;gap:9px}.primary,.secondary{border:0;border-radius:10px;padding:11px 16px;font-weight:700;cursor:pointer}.primary{background:#17181b;color:#fff}.secondary{background:#f0f1f3;color:#303238}
@media(max-width:850px){.sidebar{position:fixed;z-index:5;left:-260px;height:100vh;transition:left .2s}.sidebar.open{left:0}.mobile-menu{display:block}.list-pane{width:100%}.reader{display:none}.content.reader-open .list-pane{display:none}.content.reader-open .reader{display:block}.account-text{display:none}}
.auth-gate{position:fixed;inset:0;z-index:100;background:#f6f7f9;display:grid;place-items:center;padding:24px}.auth-gate.hidden{display:none}.auth-card{width:min(430px,100%);background:#fff;border:1px solid #e7e8ec;border-radius:22px;padding:38px;text-align:center;box-shadow:0 25px 80px #00000012}.auth-logo{width:58px;height:58px;margin:0 auto 18px;border-radius:18px;background:#17181b;color:#fff;display:grid;place-items:center;font-size:27px}.auth-card h1{margin:0;font-size:25px}.auth-card>p{color:#747780;font-size:14px;line-height:1.6}.auth-login{display:block;text-decoration:none;margin:24px 0 14px}.auth-help{font-size:12px!important;margin:0!important}.auth-locked{filter:blur(2px);pointer-events:none;user-select:none}
.hidden{display:none!important}
.login-form{display:grid;gap:10px;margin-top:20px}
.login-form input{width:100%;border:1px solid #dddfe4;border-radius:10px;padding:12px;font:inherit;outline:0}
.login-form input:focus{border-color:#ff8ac2;box-shadow:0 0 0 3px #ff4fa31a}
.auth-error{color:#c73562!important;background:#fff0f5;border-radius:10px;padding:10px;font-size:13px!important}
.auth-login{width:100%;margin:0}
.account{gap:10px}.admin-link{font-size:12px;color:#444;text-decoration:none;background:#f2f3f5;padding:8px 10px;border-radius:9px}.logout-btn{border:1px solid #e1e2e6;background:#fff;border-radius:9px;padding:8px 10px;font-size:12px;cursor:pointer}.logout-btn:hover{background:#f3f4f6}
.admin-page{min-height:100vh;background:#f6f7f9}.admin-top{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.admin-top>div:last-child{display:flex;gap:8px;align-items:center}.admin-top small{display:block;font-size:10px;color:#8a8d95;font-weight:500}.admin-back{text-decoration:none}.admin-main{width:min(980px,100%);margin:0 auto;padding:50px 24px}.admin-hero{margin-bottom:28px}.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--pink);font-weight:800;margin:0 0 7px}.admin-hero h1{font-size:32px;margin:0}.admin-hero p:not(.eyebrow){color:var(--muted);margin:8px 0 0}.accounts{display:grid;gap:14px}.account-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:0 10px 30px #00000006}.account-info{display:flex;align-items:center;gap:14px;min-width:260px}.account-icon{width:44px;height:44px;border-radius:13px;background:#f2f3f5;display:grid;place-items:center;font-size:20px}.account-info h2{font-size:15px;margin:0}.account-info p{font-size:12px;color:var(--muted);margin:4px 0 0}.account-actions{display:flex;align-items:end;gap:9px;flex:1;justify-content:flex-end}.account-actions label{font-size:11px;color:var(--muted);display:grid;gap:6px;width:min(300px,100%)}.account-actions input{border:1px solid #dddfe4;border-radius:10px;padding:11px;font:inherit;outline:0}.account-actions input:focus{border-color:#ff8ac2}.admin-status{position:fixed;right:22px;bottom:22px;background:#17181b;color:#fff;padding:12px 16px;border-radius:12px;font-size:13px;box-shadow:0 12px 40px #0003}.admin-status.error{background:#c73562}
@media(max-width:700px){.admin-top{padding:0 15px}.admin-main{padding:32px 15px}.account-card{display:grid}.account-info{min-width:0}.account-actions{justify-content:stretch;display:grid;grid-template-columns:1fr}.admin-top .admin-back{display:none}.admin-top .secondary{font-size:12px}}
.reader-title-row{display:flex;align-items:flex-start;gap:12px;justify-content:space-between}.reader-actions{display:flex;gap:4px;flex:none}.reader-actions .icon-btn{font-size:19px}