:root{color-scheme:dark;--bg-base: #0f1115;--bg-surface: #171a22;--bg-muted: #1a1e27;--bg-subtle: #1b1f28;--bg-chip: #222732;--bg-row-unread: #11151d;--bg-row-active: #1c2433;--border: #242933;--border-strong: #2b303c;--border-row: #1e222b;--text-primary: #e7e9ee;--text-secondary: #c8ccd6;--text-muted: #9aa0ab;--text-on-accent: #fff;--text-empty: #4a5160;--text-star: #5a6170;--accent: #3a6dff;--accent-hover: #4d7fff;--accent-muted-bg: #1c3049;--accent-search: #3a6ea5;--accent-dot: #4f9dff;--accent-badge-bg: #2563a8;--link: #7ab6ff;--danger-bg-strong: #341c20;--danger-border: #6b343c;--danger-text: #ff9b9b;--success-bg: #16302a;--success-border: #2a5a4a;--success-text: #9be3c4;--mail-search-focus: #1a2433;--mail-row-action-hover: #2a3344;--overlay: rgba(0, 0, 0, .6)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-base);color:var(--text-primary)}a{color:var(--link)}button,input,select,textarea{font:inherit;color:inherit}button,.secondary{background:var(--accent);color:var(--text-on-accent);border:none;border-radius:8px;padding:10px 16px;cursor:pointer}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.6;cursor:default}.secondary{background:transparent;border:1px solid var(--border-strong);color:var(--text-secondary);text-decoration:none;display:inline-flex;align-items:center}.secondary:hover{background:var(--bg-chip);color:var(--text-on-accent)}.secondary.small{padding:6px 12px;font-size:13px}.danger-btn{background:var(--danger-bg-strong);border:1px solid var(--danger-border);color:var(--danger-text);padding:6px 12px;font-size:13px}input,select,textarea{width:100%;background:var(--bg-subtle);border:1px solid var(--border-strong);border-radius:8px;padding:10px 12px}label{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;font-size:13px;color:var(--text-muted)}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:20px}.text-muted{color:var(--text-muted);font-size:14px}.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;background:var(--success-bg);border:1px solid var(--success-border);color:var(--success-text)}.flash--err{background:var(--danger-bg-strong);border-color:var(--danger-border);color:var(--danger-text)}.page{max-width:1100px;margin:0 auto;padding:24px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.page-header h1{margin:0 0 4px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 800px){.grid-2{grid-template-columns:1fr}}.login-page{min-height:100%;display:grid;place-items:center;padding:24px}.login-card{width:min(400px,100%)}.login-card h1{margin:0 0 4px}.mailbox-list{list-style:none;padding:0;margin:0}.mailbox-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border-row)}.page-mail{height:100vh;padding:16px 20px;display:flex;flex-direction:column}.mail-app{display:flex;flex-direction:column;height:100%;min-height:0}.mail-topbar{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--border)}.mail-brand{display:flex;align-items:center;gap:10px;color:var(--link)}.mail-brand-title{font-size:16px;font-weight:600;color:var(--text-primary)}.mail-brand-sub{font-size:12px;color:var(--text-muted)}.mail-search{position:relative;flex:1;max-width:560px;display:flex;align-items:center}.mail-search input{border-radius:22px;padding:9px 38px;font-size:14px}.mail-search-icon{position:absolute;left:10px;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:0}.mail-search-clear{position:absolute;right:8px;background:none;border:none;color:var(--text-muted);cursor:pointer}.mail-icon-btn{display:grid;place-items:center;width:36px;height:36px;border-radius:8px;background:transparent;border:1px solid transparent;color:var(--text-secondary);cursor:pointer;padding:0;text-decoration:none}.mail-icon-btn:hover{background:var(--bg-chip);color:var(--text-on-accent)}.mail-icon-btn--danger:hover{background:var(--danger-bg-strong);color:var(--danger-text)}.mail-flash{margin-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--success-bg);border:1px solid var(--success-border);color:var(--success-text);padding:9px 14px;border-radius:8px;font-size:13px}.mail-flash--err{background:var(--danger-bg-strong);border-color:var(--danger-border);color:var(--danger-text)}.mail-flash button{background:none;border:none;color:inherit;cursor:pointer}.mail-body{flex:1;min-height:0;display:grid;grid-template-columns:240px 1fr;gap:16px;padding-top:16px}.mail-sidebar{display:flex;flex-direction:column;gap:14px;min-height:0;overflow:auto}.mail-compose-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;border-radius:24px;font-size:14px;font-weight:600}.mail-folder-list{display:flex;flex-direction:column;gap:2px}.mail-folder{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:transparent;border:none;color:var(--text-secondary);padding:9px 12px;border-radius:0 18px 18px 0;cursor:pointer;font-size:14px}.mail-folder--nested{padding-left:20px;font-size:13px}.mail-folder:hover{background:var(--bg-muted)}.mail-folder.active{background:var(--accent-muted-bg);color:var(--text-on-accent);font-weight:600}.mail-folder-icon{display:grid;place-items:center}.mail-folder-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-folder-badge{background:var(--accent-badge-bg);color:var(--text-on-accent);font-size:11px;font-weight:600;border-radius:10px;padding:1px 7px}.mail-mailbox-group{margin-top:8px}.mail-mailbox-title{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);padding:8px 12px 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-mailbox-badge{display:inline-block;margin-top:4px;font-size:11px;color:var(--link);background:var(--accent-muted-bg);padding:2px 8px;border-radius:999px}.mail-main{min-width:0;min-height:0;display:grid;grid-template-columns:minmax(300px,400px) 1fr;gap:16px}.mail-list{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;overflow:hidden}.mail-list-head{display:flex;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);font-size:13px}.mail-list-title{font-weight:600}.mail-list-count{color:var(--text-muted)}.mail-items{overflow-y:auto;flex:1}.mail-row{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border-row);cursor:pointer;position:relative}.mail-row:hover{background:var(--bg-muted)}.mail-row.active{background:var(--bg-row-active)}.mail-row.unread{background:var(--bg-row-unread)}.mail-row.unread .mail-row-from,.mail-row.unread .mail-row-subject{color:var(--text-on-accent);font-weight:600}.mail-star{background:none;border:none;color:var(--text-star);cursor:pointer;padding:0}.mail-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:var(--text-on-accent);font-size:13px;font-weight:600;flex-shrink:0}.mail-avatar--lg{width:42px;height:42px;font-size:15px}.mail-row-main{flex:1;min-width:0}.mail-row-top{display:flex;justify-content:space-between;gap:8px}.mail-row-from{font-size:14px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-row-date{font-size:12px;color:var(--text-muted);flex-shrink:0}.mail-row-bottom{display:flex;align-items:center;gap:6px;margin-top:2px}.mail-row-subject{font-size:13px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.mail-row-actions{display:none;gap:2px;position:absolute;right:10px;background:linear-gradient(90deg,transparent,var(--bg-muted) 24%);padding-left:24px}.mail-row:hover .mail-row-actions{display:flex}.mail-row-actions button{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:6px}.mail-load-more{width:100%;background:transparent;border:none;border-top:1px solid var(--border);color:var(--link);padding:12px;cursor:pointer}.mail-reading{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;overflow:hidden;min-height:0}.mail-empty{padding:24px 16px;color:var(--text-muted);font-size:14px}.mail-empty--center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-empty)}.mail-reading-head{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border)}.mail-reading-subject{margin:0;font-size:17px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-reading-tools{display:flex;gap:2px}.mail-back{display:none}.mail-reading-meta{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border)}.mail-reading-meta-text{flex:1;min-width:0}.mail-reading-from{font-size:14px}.mail-reading-email{color:var(--text-muted);font-size:13px}.mail-reading-to{font-size:12px;color:var(--text-muted);margin-top:2px}.mail-reading-date{font-size:12px;color:var(--text-muted);flex-shrink:0}.mail-reading-body{padding:16px;overflow:auto;flex:1}.mail-text{white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:14px;margin:0}.mail-html-frame{width:100%;min-height:320px;border:1px solid var(--border);border-radius:8px;background:#fff}.mail-attachments{margin-top:18px;border-top:1px solid var(--border);padding-top:14px}.mail-attachments-title{font-size:13px;color:var(--text-muted);margin-bottom:8px}.mail-attachments-grid{display:flex;flex-wrap:wrap;gap:8px}.mail-attachment{display:flex;align-items:center;gap:8px;background:var(--bg-subtle);border:1px solid var(--border-strong);color:var(--text-secondary);padding:8px 12px;border-radius:8px;font-size:13px;cursor:pointer}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay);display:grid;place-items:center;z-index:1000;padding:16px}.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:20px;width:min(680px,94vw);max-height:90vh;overflow:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal-header h3{margin:0}.mail-compose-body{width:100%;min-height:200px;margin-top:8px;resize:vertical}.mail-field-toggles button{background:none;border:none;color:var(--link);font-size:12px;cursor:pointer;margin-right:8px}.mail-compose-foot{display:flex;gap:10px;margin-top:16px}.mail-attach-add{display:inline-flex;align-items:center;gap:6px;margin-top:10px;color:var(--link);font-size:13px;cursor:pointer}.mail-compose-files{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.mail-compose-file{display:flex;align-items:center;gap:6px;font-size:13px;background:var(--bg-subtle);padding:5px 10px;border-radius:6px}.mail-compose-file button{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:0 4px}@media (max-width: 1100px){.mail-main{grid-template-columns:1fr}.mail-main--reading .mail-list{display:none}.mail-main:not(.mail-main--reading) .mail-reading{display:none}.mail-back{display:grid}}@media (max-width: 768px){.mail-body{grid-template-columns:1fr}.mail-sidebar{max-height:180px;overflow:auto}}