:root{--ink:#172033;--muted:#718096;--line:#e6eaf0;--soft:#f5f7fb;--paper:#fff;--blue:#3157d5;--blue2:#5879e8;--navy:#101a33;--danger:#c64141;--success:#117c57;--shadow:0 18px 50px rgba(24,38,71,.09);font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--soft)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-size:15px}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}form{margin:0}.muted{color:var(--muted)}.eyebrow{display:block;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.16em;margin-bottom:8px}.brand{display:flex;align-items:center;gap:11px}.brand strong{display:block;font-size:16px}.brand small{display:block;color:#8993a7;font-size:9px;letter-spacing:.16em;margin-top:2px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:13px;color:#fff;background:linear-gradient(145deg,#2447bd,#6988ef);box-shadow:0 8px 18px rgba(49,87,213,.28);font-family:serif;font-weight:700}.brand-mark.large{width:48px;height:48px;border-radius:16px;font-size:20px}.brand-mark.dark{background:#101a33;box-shadow:none}
.topbar{height:72px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:fixed;inset:0 0 auto;z-index:20}.top-actions{display:flex;align-items:center;gap:18px}.top-actions form{display:inline-flex}.account-chip{background:#f1f4fa;border:1px solid #e4e8f0;border-radius:999px;padding:8px 13px;font-size:12px;color:#526078}.icon-link,.text-button{font-size:13px;color:#526078}.text-button{border:0;background:transparent;padding:5px}.mobile-menu{display:none;border:0;background:transparent;font-size:24px}.app-shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh;padding-top:72px}.sidebar{position:fixed;left:0;top:72px;bottom:0;width:232px;padding:24px 18px;background:#f8f9fc;border-right:1px solid var(--line);display:flex;flex-direction:column}.compose-button{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;height:46px;border-radius:12px;font-weight:700;box-shadow:0 10px 22px rgba(49,87,213,.21);transition:.2s}.compose-button:hover{transform:translateY(-1px);background:#294dc3}.compose-button span{font-size:21px}.folder-nav{display:flex;flex-direction:column;gap:4px;margin-top:24px}.folder-nav a{display:flex;align-items:center;justify-content:space-between;padding:11px 13px;border-radius:10px;color:#5e687c;font-size:14px}.folder-nav a:hover{background:#eef1f7}.folder-nav a.active{background:#e8edff;color:#2449c0;font-weight:700}.folder-nav b{font-size:11px;background:var(--blue);color:#fff;padding:2px 7px;border-radius:99px}.sidebar-foot{margin-top:auto;padding:12px 9px;color:#7a8598;font-size:11px;display:flex;align-items:center;gap:7px}.status-dot{width:7px;height:7px;border-radius:50%;background:#25b87a;box-shadow:0 0 0 4px rgba(37,184,122,.12)}.main-panel{grid-column:2;padding:38px 44px 60px;max-width:1480px;width:100%;margin:0 auto}.flash-stack{display:grid;gap:8px;margin-bottom:18px}.flash{border-radius:10px;padding:12px 14px;font-size:13px;background:#edf1f8;color:#3f4a61;border:1px solid #dde3ed}.flash.error{background:#fff1f1;color:#9e3030;border-color:#f3cece}.flash.success{background:#ecfaf4;color:#0f6f4e;border-color:#caeddc}
.mailbox-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:24px}.mailbox-head h1,.compose-card h1,.settings-card h1{font-size:30px;line-height:1.1;margin:0 0 7px;letter-spacing:-.03em}.mailbox-head p{margin:0;color:var(--muted);font-size:13px}.search-box{display:flex;background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden;width:min(430px,45vw);box-shadow:0 8px 22px rgba(31,45,77,.04)}.search-box input{border:0;outline:0;padding:11px 14px;flex:1;min-width:0;background:transparent}.search-box button{border:0;border-left:1px solid var(--line);background:#fff;padding:0 16px;color:var(--blue);font-weight:700}.mail-list{background:var(--paper);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);overflow:hidden}.mail-row{min-height:66px;border-bottom:1px solid #edf0f5;display:grid;grid-template-columns:42px 1fr;align-items:center;padding:0 14px;background:#fff}.mail-row:last-child{border-bottom:0}.mail-row:hover{background:#f8faff}.mail-row.unread{background:#f2f6ff}.mail-row.unread .mail-person,.mail-row.unread .mail-summary strong{font-weight:800}.star-button{font-size:24px;line-height:1;border:0;background:transparent;color:#a7afbd;width:32px;height:32px}.star-button.on{color:#e5a72d}.mail-row-main{display:grid;grid-template-columns:minmax(145px,1fr) minmax(280px,3.5fr) minmax(120px,.8fr);align-items:center;gap:18px;min-width:0;height:100%}.mail-person,.mail-summary,.mail-meta{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mail-person{font-size:13px;color:#344057}.mail-person em{font-style:normal;color:#d07819;font-weight:800}.mail-summary{font-size:13px;color:#858d9c}.mail-summary strong{color:#303a4e;font-weight:600}.mail-meta{text-align:right;color:#8c94a3;font-size:11px}.mail-meta i{font-style:normal;border:1px solid #dfe3eb;border-radius:5px;padding:2px 5px;margin-right:8px}.empty-state{text-align:center;padding:80px 20px}.empty-state .empty-icon{font-size:34px;color:#8ba0ed}.empty-state h2{font-size:18px;margin:12px 0 7px}.empty-state p{color:var(--muted);margin:0}.pagination{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:22px;color:#7b8597;font-size:13px}.pagination a{color:var(--blue);font-weight:700}
.message-card,.compose-card,.settings-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.message-toolbar{padding:15px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:14px}.back-link{color:#607088;font-size:13px;font-weight:650;display:inline-block;margin-bottom:14px}.message-toolbar .back-link{margin:0}.toolbar-actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.secondary-button,.danger-button,.primary-button{border:1px solid #dfe3eb;background:#fff;border-radius:9px;padding:8px 13px;font-size:12px;font-weight:700;color:#4c596e;display:inline-flex;align-items:center;justify-content:center}.secondary-button:hover{background:#f5f7fb}.danger-button{color:var(--danger);border-color:#efd0d0}.primary-button{color:#fff;background:var(--blue);border-color:var(--blue);padding:10px 17px}.primary-button:hover{background:#294dc3}.primary-button.full{width:100%;height:46px}.message-header{padding:28px 32px 18px}.message-header h1{font-size:26px;margin:0 0 22px;letter-spacing:-.025em}.sender-line{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center}.avatar{width:42px;height:42px;border-radius:50%;background:#e9edfb;color:#3157d5;display:grid;place-items:center;font-weight:800}.sender-line strong,.sender-line span{display:block}.sender-line div span{color:#7c879b;font-size:12px;margin-top:2px}.sender-line time{font-size:11px;color:#8b94a4}.recipient-details{margin:13px 0 0 54px;color:#7c879b;font-size:12px}.recipient-details summary{cursor:pointer}.recipient-details p{margin:6px 0}.message-frame{display:block;width:calc(100% - 64px);height:360px;border:1px solid #edf0f4;border-radius:10px;margin:8px 32px 28px;background:#fff}.attachments{margin:0 32px 28px;border-top:1px solid var(--line);padding-top:20px}.attachments h2{font-size:14px}.attachment-grid{display:flex;flex-wrap:wrap;gap:10px}.attachment-grid a{border:1px solid var(--line);border-radius:10px;padding:10px 13px;min-width:210px;display:flex;gap:10px;align-items:center}.attachment-grid a>span{font-size:20px;color:var(--blue)}.attachment-grid strong,.attachment-grid small{display:block;max-width:250px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-grid small{color:var(--muted);margin-top:3px}
.compose-card{padding:30px 34px}.compose-card header{margin-bottom:24px}.compose-field{display:grid;grid-template-columns:72px 1fr;align-items:center;border-top:1px solid var(--line);min-height:52px}.compose-field label{font-size:12px;font-weight:700;color:#657187}.compose-field input{border:0;outline:0;width:100%;height:49px}.more-recipients{border-top:1px solid var(--line)}.more-recipients summary{padding:10px 0;color:var(--blue);font-size:12px;cursor:pointer}.more-recipients .compose-field{padding-left:0}.compose-body{width:100%;min-height:330px;border:1px solid var(--line);outline:0;border-radius:10px;resize:vertical;padding:16px;line-height:1.7;margin-top:14px}.compose-body:focus,.stack-form input:focus,.email-input:focus-within{border-color:#96aaf0;box-shadow:0 0 0 3px rgba(49,87,213,.09)}.compose-bottom{display:flex;align-items:center;gap:12px;margin-top:14px}.file-button{border:1px solid #dfe3eb;border-radius:9px;padding:8px 12px;font-size:12px;font-weight:700;cursor:pointer}.file-button input{display:none}.compose-bottom>.muted{font-size:11px}.compose-actions{margin-left:auto;display:flex;gap:8px}.narrow-card{max-width:640px;margin:10px auto;padding:34px}.settings-card>p{margin:6px 0 24px}.stack-form{display:grid;gap:16px}.stack-form label,.login-card label,.admin-login-card label{font-size:12px;color:#526078;font-weight:700}.stack-form input,.login-card>label>input,.admin-login-card input{display:block;width:100%;height:46px;border:1px solid #dfe4ed;border-radius:10px;margin-top:7px;padding:0 13px;outline:0}.email-input{display:flex;border:1px solid #dfe4ed;border-radius:10px;margin-top:7px;overflow:hidden;background:#fff}.email-input input{border:0!important;border-radius:0!important;margin:0!important;min-width:0;flex:1;padding:0 13px;outline:0;height:44px}.email-input span{display:flex;align-items:center;padding:0 12px;background:#f5f7fa;color:#7c8798;border-left:1px solid #e5e8ee;font-weight:500;white-space:nowrap}
.login-body{background:#0f1a36;min-height:100vh}.login-layout{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}.login-visual{position:relative;overflow:hidden;background:radial-gradient(circle at 70% 35%,rgba(95,130,245,.35),transparent 32%),linear-gradient(145deg,#0e1934,#182d66);display:flex;align-items:flex-end;padding:9vw}.visual-copy{position:relative;color:#fff;z-index:2}.visual-copy .eyebrow{color:#a9baff}.visual-copy h1{font-size:clamp(38px,5vw,72px);line-height:1.13;margin:12px 0 20px;letter-spacing:-.05em}.visual-copy p{color:#bdc9e5;font-size:16px}.visual-orbit{position:absolute;border:1px solid rgba(255,255,255,.11);border-radius:50%}.orbit-one{width:530px;height:530px;right:-110px;top:-80px}.orbit-two{width:320px;height:320px;right:-15px;top:25px}.login-card-wrap{background:#f7f8fb;display:grid;place-items:center;padding:30px}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:42px;box-shadow:0 25px 70px rgba(9,19,42,.16)}.login-logo{margin-bottom:24px}.login-card h2{font-size:30px;margin:0 0 6px;letter-spacing:-.035em}.login-card>.muted{margin:0 0 25px}.login-card label{display:block;margin-top:16px}.login-card .primary-button{margin-top:22px}.login-note,.security-hint{text-align:center;color:#929baa;font-size:11px;line-height:1.6;margin:18px 0 0}
.admin-body{background:#f2f4f8}.admin-topbar{height:72px;background:var(--navy);color:#fff;padding:0 32px;display:flex;align-items:center;justify-content:space-between}.admin-topbar .brand small{color:#7f8ca9}.admin-topbar nav{display:flex;align-items:center;gap:24px;font-size:13px}.admin-topbar nav form{display:inline-flex}.text-button.light{color:#d7dfef}.admin-main{max-width:1320px;margin:0 auto;padding:40px 34px 70px}.admin-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px}.admin-heading h1{font-size:31px;margin:0 0 7px;letter-spacing:-.035em}.admin-heading p{margin:0;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:22px}.stats-grid article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:21px 23px}.stats-grid span,.stats-grid small{display:block;color:#7b8597}.stats-grid span{font-size:12px;font-weight:700}.stats-grid strong{font-size:34px;display:block;margin:8px 0}.stats-grid small{font-size:11px}.admin-table-card,.audit-card{background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 12px 38px rgba(25,40,75,.06)}.table-title{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.table-title h2,.audit-card h2{font-size:15px;margin:0}.table-title span{font-size:11px;color:var(--muted)}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse}th{text-align:left;background:#fafbfc;color:#7d8799;font-size:10px;text-transform:uppercase;letter-spacing:.08em;padding:11px 16px}td{padding:14px 16px;border-top:1px solid #edf0f4;font-size:12px;vertical-align:top}td strong,td small{display:block}td small{margin-top:4px;color:#8b94a3}.status-badge{display:inline-block;padding:4px 7px;border-radius:6px;background:#fff4dd;color:#9b6812;font-size:10px;font-weight:800}.status-badge.ready{background:#e8f8f1;color:#11714f}.row-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.row-actions a,.row-actions button{border:0;background:transparent;color:var(--blue);font-size:11px;padding:0}.row-actions .danger-text{color:var(--danger)}.empty-cell{text-align:center;padding:40px;color:var(--muted)}.audit-card{margin-top:22px;padding:20px 22px}.audit-card h2{margin-bottom:12px}.audit-row{display:grid;grid-template-columns:180px 1fr 170px;gap:14px;border-top:1px solid #edf0f4;padding:10px 0;font-size:11px}.audit-row span{color:var(--blue)}.audit-row time{color:var(--muted);text-align:right}.admin-login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 0,#283f7b,transparent 35%),var(--navy);padding:24px}.admin-login-card{width:min(420px,100%);padding:38px;background:#fff;border-radius:18px;box-shadow:0 25px 70px rgba(0,0,0,.25)}.admin-login-card>.brand-mark{margin-bottom:24px}.admin-login-card h1{font-size:28px;margin:0 0 6px}.admin-login-card>.muted{margin:0 0 24px}.admin-login-card label{display:block;margin-top:15px}.admin-login-card .primary-button{margin-top:22px}
@media(max-width:900px){.login-layout{grid-template-columns:1fr}.login-visual{display:none}.app-shell{grid-template-columns:1fr}.sidebar{transform:translateX(-105%);transition:.2s;z-index:18;box-shadow:15px 0 40px rgba(20,32,60,.12)}.sidebar.open{transform:translateX(0)}.main-panel{grid-column:1;padding:26px 18px 50px}.mobile-menu{display:block}.top-actions .account-chip{display:none}.mail-row-main{grid-template-columns:1fr 100px}.mail-summary{grid-column:1}.mail-person{grid-row:1}.mail-meta{grid-row:1;grid-column:2}.mail-summary{grid-row:2;grid-column:1/3;padding-bottom:11px}.mail-row{padding-top:10px}.stats-grid{grid-template-columns:1fr}.admin-heading{align-items:flex-start;gap:18px}.admin-topbar nav a{display:none}.message-toolbar{align-items:flex-start;flex-direction:column}.message-frame{width:calc(100% - 36px);margin-left:18px;margin-right:18px}.message-header{padding:24px 18px}.attachments{margin:0 18px 24px}.sender-line{grid-template-columns:42px 1fr}.sender-line time{grid-column:2}.recipient-details{margin-left:0}.compose-card{padding:24px 18px}}
@media(max-width:620px){.topbar{padding:0 15px}.top-actions{gap:10px}.top-actions .icon-link{display:none}.mailbox-head{align-items:stretch;flex-direction:column}.search-box{width:100%}.mail-row-main{display:block;padding:10px 0}.mail-person,.mail-summary,.mail-meta{display:block;text-align:left;margin:2px 0}.mail-row{grid-template-columns:38px 1fr}.compose-field{grid-template-columns:1fr}.compose-field label{padding-top:10px}.compose-bottom{align-items:flex-start;flex-wrap:wrap}.compose-actions{width:100%;margin-left:0}.compose-actions>*{flex:1}.login-card{padding:30px 22px}.admin-main{padding:28px 16px}.admin-heading{flex-direction:column}.admin-topbar{padding:0 16px}.admin-topbar nav{gap:10px}.audit-row{grid-template-columns:1fr}.audit-row time{text-align:left}.narrow-card{padding:25px 20px}.sender-line{align-items:start}.message-header h1{font-size:22px}}