:root{--bg:#f4f6fb;--surface:#fff;--surface-2:#eef1f7;--border:#e6eaf2;--text:#1a1d29;--muted:#5b6172;--tertiary:#9aa1b2;--primary:#6366f1;--primary-hover:#4f46e5;--primary-50:#eef0ff;--success:#16a34a;--success-50:#ecfdf3;--danger:#ef4444;--danger-50:#fef2f2;--warning:#f59e0b;--unread:var(--primary-50);--r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-full:999px;--shadow-xs:0 1px 2px #1c21370a;--shadow-sm:0 2px 8px #1c21370f;--shadow-md:0 4px 16px #1c213714;--shadow-lg:0 12px 32px #1c21371a;--shadow-xl:0 24px 56px #1c213724;--shadow-brand:0 8px 24px #6366f159;--shadow:var(--shadow-sm);--ease:cubic-bezier(.2, .8, .2, 1)}*{box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--muted)}.small{font-size:12px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.btn{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--r-full);cursor:pointer;box-shadow:var(--shadow-xs);transition:transform .12s var(--ease), box-shadow .2s var(--ease), background .12s var(--ease);align-items:center;gap:6px;padding:9px 18px;font-family:inherit;font-size:14px;font-weight:500;display:inline-flex}.btn:hover{background:var(--surface);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-brand);border-color:#0000}.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-brand);transform:translateY(-1px)}.btn-primary:disabled{opacity:.55;cursor:default;box-shadow:none;transform:none}.btn-danger{color:var(--danger);background:var(--danger-50);box-shadow:none;border-color:#0000}.btn-danger:hover{box-shadow:var(--shadow-sm);background:#fde4e4}.btn-ghost{box-shadow:none;background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--surface-2);box-shadow:none;transform:none}.btn-block{justify-content:center;width:100%}.icon-btn{cursor:pointer;border-radius:var(--r-full);width:38px;height:38px;color:var(--muted);transition:background .12s var(--ease), transform .12s var(--ease);background:0 0;border:none;justify-content:center;align-items:center;font-size:16px;display:inline-flex}.icon-btn:hover{background:var(--surface-2)}.icon-btn:active{transform:scale(.92)}.icon-btn.small{width:26px;height:26px;font-size:12px}.link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0 4px;font-weight:500}.form-error{color:var(--danger);margin:4px 0;font-size:13px}.form-success{color:var(--success);margin:4px 0;font-size:13px}.brand-mark{border-radius:var(--r-md);background:linear-gradient(135deg, var(--primary), var(--primary-hover));color:#fff;letter-spacing:.02em;width:36px;height:36px;box-shadow:var(--shadow-brand);justify-content:center;align-items:center;font-size:13px;font-weight:700;display:inline-flex}.login-wrap{background:radial-gradient(1200px 600px at 50% -10%, var(--primary-50), transparent 60%), var(--bg);place-items:center;min-height:100vh;padding:20px;display:grid}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--shadow-xl);width:100%;max-width:400px;padding:40px}.login-brand{align-items:center;gap:12px;display:flex}.login-brand h1{letter-spacing:-.01em;margin:0;font-size:21px;font-weight:700}.login-sub{color:var(--muted);margin:8px 0 28px}.login-form{flex-direction:column;gap:18px;display:flex}.login-form label,.settings-form label,.modal-form label{color:var(--muted);flex-direction:column;gap:7px;font-size:13px;font-weight:500;display:flex}.login-form input,.settings-form input,.modal-form input{border:1px solid var(--border);border-radius:var(--r-md);color:var(--text);background:var(--surface-2);transition:box-shadow .15s var(--ease), background .15s var(--ease), border-color .15s var(--ease);padding:12px 14px;font-family:inherit;font-size:15px}.login-form input:focus,.settings-form input:focus,.modal-form input:focus{background:var(--surface);border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f133}.mail-shell{flex-direction:column;height:100vh;display:flex}.topbar{background:var(--bg);align-items:center;gap:16px;padding:12px 20px;display:flex}.topbar-brand{align-items:center;gap:12px;min-width:220px;display:flex}.brand-name{color:var(--text);letter-spacing:-.01em;font-size:18px;font-weight:700}.search{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-full);max-width:720px;box-shadow:var(--shadow-xs);transition:box-shadow .2s var(--ease), border-color .15s var(--ease);flex:1;align-items:center;gap:10px;padding:9px 18px;display:flex}.search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #6366f12e, var(--shadow-sm)}.search-icon{opacity:.55}.search-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:15px}.search-input::placeholder{color:var(--tertiary)}.topbar-account{margin-left:auto;position:relative}.avatar{border-radius:var(--r-full);background:linear-gradient(135deg, var(--primary), var(--primary-hover));color:#fff;cursor:pointer;width:38px;height:38px;box-shadow:var(--shadow-sm);transition:transform .12s var(--ease), box-shadow .2s var(--ease);border:none;font-size:15px;font-weight:600}.avatar:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.account-menu{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);z-index:30;min-width:230px;animation:pop .18s var(--ease);padding:12px;position:absolute;top:48px;right:0}@keyframes pop{0%{opacity:0;transform:translateY(-6px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.account-info{padding:6px 10px 12px}.account-name{font-weight:600}.account-menu hr{border:none;border-top:1px solid var(--border);margin:8px 0}.menu-item{text-align:left;border-radius:var(--r-md);cursor:pointer;width:100%;color:var(--text);background:0 0;border:none;padding:10px;font-family:inherit;font-size:14px}.menu-item:hover{background:var(--surface-2)}.mail-body{flex:1;min-height:0;display:flex}.sidebar{flex-shrink:0;width:256px;padding:8px 16px 16px;overflow-y:auto}.compose-btn{background:var(--primary);color:#fff;border-radius:var(--r-full);cursor:pointer;box-shadow:var(--shadow-brand);transition:transform .12s var(--ease), box-shadow .2s var(--ease), background .12s var(--ease);border:none;align-items:center;gap:12px;margin:8px 0 20px;padding:14px 24px;font-size:15px;font-weight:600;display:flex}.compose-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.compose-btn:active{transform:translateY(0)}.nav{flex-direction:column;gap:4px;display:flex}.nav-item{border-radius:var(--r-full);color:var(--text);transition:background .12s var(--ease), color .12s var(--ease);align-items:center;gap:14px;padding:11px 16px;font-size:14px;font-weight:500;display:flex}.nav-item:hover{background:var(--surface-2);text-decoration:none}.nav-item.active{background:var(--primary-50);color:var(--primary-hover);font-weight:600}.nav-count{background:var(--primary);color:#fff;border-radius:var(--r-full);text-align:center;min-width:22px;margin-left:auto;padding:2px 9px;font-size:12px;font-weight:700}.nav-item.active .nav-count{background:var(--primary)}.mail-main{background:var(--surface);border-radius:var(--r-xl) 0 0 0;border:1px solid var(--border);box-shadow:var(--shadow-sm);border-bottom:none;border-right:none;flex:1;min-width:0;overflow-y:auto}.folder-head,.read-toolbar,.folder>.search-note{padding-left:28px;padding-right:28px}.folder-head{justify-content:space-between;align-items:center;padding-top:24px;padding-bottom:12px;display:flex}.folder-head h2{letter-spacing:-.01em;margin:0;font-size:22px;font-weight:700}.sort-control{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}.sort-control select{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);color:var(--text);cursor:pointer;box-shadow:var(--shadow-xs);padding:8px 12px;font-family:inherit}.search-note{color:var(--muted);padding-bottom:8px;font-size:13px}.empty{color:var(--muted);text-align:center;padding:64px 20px;font-size:15px}.mail-list{flex-direction:column;gap:10px;margin:0;padding:12px 16px 24px;list-style:none;display:flex}.mail-row{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:transform .16s var(--ease), box-shadow .16s var(--ease);position:relative}.mail-row:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.mail-row.unread{background:var(--unread);border-color:#0000}.mail-row.unread:before{content:"";border-radius:var(--r-full);background:var(--primary);width:4px;position:absolute;top:14px;bottom:14px;left:0}.mail-row.unread .mail-who,.mail-row.unread .mail-subject{color:var(--text);font-weight:700}.mail-row-link{color:var(--text);align-items:center;gap:16px;padding:16px 20px;display:flex}.mail-row-link:hover{text-decoration:none}.mail-who{white-space:nowrap;text-overflow:ellipsis;flex-shrink:0;width:200px;font-weight:500;overflow:hidden}.mail-subject{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:14px;overflow:hidden}.mail-snippet{color:var(--muted);font-weight:400}.mail-meta{flex-shrink:0;align-items:center;gap:10px;display:flex}.mail-date{color:var(--tertiary);white-space:nowrap;font-size:12px;font-weight:500}.clip{opacity:.6}.read{max-width:900px;padding:20px 28px 56px}.read-toolbar{justify-content:space-between;align-items:center;padding:4px 0 16px;display:flex}.read-toolbar-right{gap:8px;display:flex}.read-toolbar-right form{display:inline}.read-subject{letter-spacing:-.01em;margin:12px 0 24px;font-size:26px;font-weight:700}.read-header{background:var(--surface-2);border-radius:var(--r-lg);align-items:flex-start;gap:16px;padding:18px 20px;display:flex}.read-avatar{border-radius:var(--r-full);background:linear-gradient(135deg, var(--primary), var(--primary-hover));color:#fff;width:44px;height:44px;box-shadow:var(--shadow-sm);flex-shrink:0;place-items:center;font-size:17px;font-weight:600;display:grid}.read-from{flex:1}.read-date{white-space:nowrap;color:var(--tertiary);font-size:13px}.read-body{padding:28px 4px}.read-text{white-space:pre-wrap;word-wrap:break-word;max-width:70ch;margin:0;font-family:inherit;font-size:15px;line-height:1.7}.read-html{line-height:1.7}.read-html img{max-width:100%}.read-attachments{border-top:1px solid var(--border);padding-top:20px}.attach-grid{flex-wrap:wrap;gap:12px;margin-top:12px;display:flex}.attach-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);width:180px;color:var(--text);box-shadow:var(--shadow-xs);transition:transform .14s var(--ease), box-shadow .14s var(--ease);flex-direction:column;gap:2px;padding:14px;display:flex}.attach-card:hover{box-shadow:var(--shadow-md);text-decoration:none;transform:translateY(-2px)}.attach-icon{font-size:22px}.attach-name{white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}.read-actions{gap:10px;margin-top:28px;display:flex}.compose-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:50;animation:fade .18s var(--ease);background:#1a1d2959;justify-content:flex-end;align-items:flex-end;display:flex;position:fixed;inset:0}@keyframes fade{0%{opacity:0}to{opacity:1}}.compose-window{background:var(--surface);border-radius:var(--r-xl) var(--r-xl) 0 0;width:540px;max-width:96vw;height:600px;max-height:90vh;box-shadow:var(--shadow-xl);animation:slideup .26s var(--ease);flex-direction:column;margin:0 28px 0 0;display:flex;overflow:hidden}@keyframes slideup{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.compose-head{background:var(--primary);color:#fff;justify-content:space-between;align-items:center;padding:14px 20px;font-size:15px;font-weight:600;display:flex}.compose-head .icon-btn{color:#fff}.compose-head .icon-btn:hover{background:#ffffff2e}.compose-body{flex-direction:column;flex:1;padding:8px 20px;display:flex;overflow-y:auto}.compose-field{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:12px 0;display:flex}.compose-from{font-size:14px}.compose-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14px}.compose-input::placeholder{color:var(--tertiary)}.compose-textarea{resize:none;color:var(--text);border:none;outline:none;flex:1;min-height:160px;padding:16px 0;font-family:inherit;font-size:15px;line-height:1.7}.attach-list{flex-direction:column;gap:8px;padding:8px 0;display:flex}.attach-chip{background:var(--surface-2);border-radius:var(--r-full);align-items:center;gap:10px;padding:8px 14px;font-size:13px;display:flex}.attach-chip span:first-child{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.compose-foot{border-top:1px solid var(--border);align-items:center;gap:12px;padding:16px 20px;display:flex}.settings{max-width:680px;padding:24px 28px 56px}.settings-head{margin-bottom:4px}.settings-head h2{letter-spacing:-.01em;margin:0;font-size:24px;font-weight:700}.settings-sub{color:var(--muted);margin:6px 0 0;font-size:14px}.settings-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--shadow-sm);margin:18px 0;padding:24px}.card-head{margin-bottom:18px}.card-head h3,.settings-card h3{letter-spacing:-.005em;margin:0;font-size:16px;font-weight:600}.card-desc{color:var(--muted);margin:4px 0 0;font-size:13px}.profile-card{align-items:center;gap:18px;display:flex}.profile-avatar{border-radius:var(--r-full);background:linear-gradient(135deg, var(--primary), var(--primary-hover));color:#fff;width:56px;height:56px;box-shadow:var(--shadow-brand);flex-shrink:0;place-items:center;font-size:22px;font-weight:700;display:grid}.profile-meta{flex:1;min-width:0}.profile-name{letter-spacing:-.01em;font-size:17px;font-weight:700}.profile-email{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:13px;overflow:hidden}.status-chip{background:var(--success-50);color:var(--success);border-radius:var(--r-full);flex-shrink:0;align-items:center;gap:7px;padding:6px 14px;font-size:12px;font-weight:600;display:inline-flex}.status-dot{border-radius:var(--r-full);background:var(--success);width:7px;height:7px;box-shadow:0 0 0 3px #16a34a2e}.detail-list{flex-direction:column;margin:0;display:flex}.detail-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:14px 0;display:flex}.detail-row:first-child{padding-top:0}.detail-row:last-child{border-bottom:none;padding-bottom:0}.detail-row dt{color:var(--muted);font-size:13px;font-weight:500}.detail-row dd{text-align:right;margin:0;font-weight:500}.detail-value-row{align-items:center;gap:10px;min-width:0;display:flex}.mono{background:var(--surface-2);border-radius:var(--r-sm);white-space:nowrap;text-overflow:ellipsis;padding:5px 10px;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,monospace;font-size:13px;overflow:hidden}.copy-btn,.pill-btn{border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:var(--r-full);cursor:pointer;box-shadow:var(--shadow-xs);transition:background .12s var(--ease), color .12s var(--ease), transform .12s var(--ease);flex-shrink:0;padding:6px 14px;font-family:inherit;font-size:12px;font-weight:600}.copy-btn:hover,.pill-btn:hover{background:var(--surface-2);color:var(--text)}.copy-btn:active,.pill-btn:active{transform:scale(.94)}.copy-btn.copied{background:var(--success-50);color:var(--success);border-color:#0000}.settings-row{border-bottom:1px solid var(--border);justify-content:space-between;padding:12px 0;display:flex}.settings-row:last-child{border-bottom:none}.settings-form{flex-direction:column;gap:18px;max-width:360px;display:flex}.modal-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:60;animation:fade .18s var(--ease);background:#1a1d2966;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal-card{background:var(--surface);border-radius:var(--r-xl);width:100%;max-width:420px;box-shadow:var(--shadow-xl);animation:modalpop .22s var(--ease);overflow:hidden}@keyframes modalpop{0%{opacity:0;transform:translateY(12px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.modal-head h3{letter-spacing:-.01em;margin:0;font-size:17px;font-weight:700}.modal-body{padding:20px}.modal-form{flex-direction:column;gap:16px;display:flex}.modal-actions{justify-content:flex-end;gap:10px;margin-top:4px;display:flex}.modal-form select{border:1px solid var(--border);border-radius:var(--r-md);color:var(--text);background:var(--surface-2);cursor:pointer;transition:box-shadow .15s var(--ease), background .15s var(--ease), border-color .15s var(--ease);padding:12px 14px;font-family:inherit;font-size:15px}.modal-form select:focus{background:var(--surface);border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f133}.modal-form select:disabled{opacity:.6;cursor:not-allowed}.email-field{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface-2);transition:box-shadow .15s var(--ease), background .15s var(--ease), border-color .15s var(--ease);align-items:stretch;display:flex;overflow:hidden}.email-field:focus-within{background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.email-field input.email-local,.email-field input.email-local:focus{min-width:0;box-shadow:none;background:0 0;border:none;border-radius:0;outline:none;flex:1}.email-domain{white-space:nowrap;color:var(--muted);border-left:1px solid var(--border);align-items:center;padding:0 14px;font-size:15px;display:flex}.users-page{flex-direction:column;gap:20px;max-width:920px;margin:0 auto;padding:28px 24px;display:flex}.users-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.users-table-wrap{overflow-x:auto}.users-table{border-collapse:collapse;width:100%;font-size:14px}.users-table th{text-align:left;text-transform:uppercase;letter-spacing:.04em;color:var(--tertiary);border-bottom:1px solid var(--border);padding:8px 12px;font-size:12px;font-weight:600}.users-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:12px}.users-table tr:last-child td{border-bottom:none}.user-cell{align-items:center;gap:12px;display:flex}.user-avatar{border-radius:var(--r-full);color:#fff;background:linear-gradient(135deg, var(--primary), var(--primary-hover));flex:none;place-items:center;width:38px;height:38px;font-weight:700;display:grid}.user-name{color:var(--text);align-items:center;gap:8px;font-weight:600;display:flex}.tag{color:var(--primary);background:var(--primary-50);border-radius:var(--r-full);padding:1px 7px;font-size:11px;font-weight:600}.role-badge{border-radius:var(--r-full);padding:3px 10px;font-size:12px;font-weight:600;display:inline-block}.role-admin{color:var(--primary-hover);background:var(--primary-50)}.role-user{color:var(--muted);background:var(--surface-2)}.user-actions{justify-content:flex-end;gap:8px;display:flex}.pill-btn.danger{color:var(--danger)}.pill-btn.danger:hover{background:var(--danger-50)}.pill-btn:disabled{opacity:.45;cursor:not-allowed}.mailbox-badge{color:#1a56c4;white-space:nowrap;vertical-align:middle;background:#e8f0fe;border-radius:999px;margin-right:8px;padding:1px 7px;font-size:11px;font-weight:500;display:inline-block}.mailbox-badge.own{color:#137333;background:#e6f4ea}.read-mailbox-note{margin-bottom:10px}.compose-from-select{border:1px solid var(--line,#dadce0);background:var(--surface-1,#fff);color:inherit;border-radius:6px;max-width:320px;padding:4px 8px;font-size:13px}.compose-from-locked{align-items:center;gap:8px;display:flex}.compose-from-hint{opacity:.65;font-size:11px}