@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-app:#f1f5f9;--bg-sidebar:#f8fafc;--bg-panel:#fff;--bg-item-hover:#f1f5f9;--bg-item-active:#e0e7ff;--border-color:#e2e8f0;--border-focus:#6366f1;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--primary:#4f46e5;--primary-hover:#4338ca;--primary-glow:#4f46e526;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -2px #00000008}*{box-sizing:border-box;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-primary);width:100vw;height:100vh;overflow:hidden}#root{width:100%;height:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.app-container{background:var(--bg-app);width:100vw;height:100vh;padding:0;display:flex;overflow:hidden}.panel{background:var(--bg-panel);border-right:1px solid var(--border-color);flex-direction:column;display:flex;overflow:hidden}.sidebar{background:var(--bg-sidebar);flex-shrink:0;width:250px;padding:24px 16px}.logo-container{align-items:center;gap:12px;padding:0 8px 24px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary) 0%, #312e81 100%);color:#fff;width:32px;height:32px;box-shadow:var(--shadow-sm);border-radius:8px;justify-content:center;align-items:center;font-weight:700;display:flex}.logo-text{letter-spacing:-.02em;color:var(--text-primary);font-size:1.1rem;font-weight:700}.btn-compose{background:var(--primary);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:20px;padding:11px 20px;font-size:.9rem;font-weight:600;transition:all .2s;display:flex;box-shadow:0 2px 4px #4f46e533}.btn-compose:hover{background:var(--primary-hover);box-shadow:0 4px 8px #4f46e54d}.folder-list{flex-direction:column;flex-grow:1;gap:2px;list-style:none;display:flex;overflow-y:auto}.folder-item{color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:6px;justify-content:space-between;align-items:center;padding:9px 12px;font-size:.9rem;font-weight:500;transition:all .15s;display:flex}.folder-item:hover{background:var(--bg-item-hover);color:var(--text-primary)}.folder-item.active{background:var(--bg-item-active);color:var(--primary);font-weight:600}.folder-left{align-items:center;gap:10px;display:flex}.folder-badge{background:var(--primary);color:#fff;border-radius:20px;padding:2px 6px;font-size:.75rem;font-weight:700}.sidebar-footer{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-top:16px;display:flex}.user-profile{align-items:center;gap:10px;max-width:calc(100% - 40px);display:flex;overflow:hidden}.user-avatar{background:linear-gradient(135deg, var(--primary) 0%, #1e1b4b 100%);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:.8rem;font-weight:600;display:flex}.user-details{flex-direction:column;display:flex;overflow:hidden}.user-email{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;font-weight:600;overflow:hidden}.btn-logout{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex}.btn-logout:hover{color:var(--danger);background:#fee2e2}.mail-list-panel{border-right:1px solid var(--border-color);flex-shrink:0;width:360px}.panel-header{border-bottom:1px solid var(--border-color);background:#fff;padding:16px 20px}.search-container{width:100%;position:relative}.search-input{border:1px solid var(--border-color);width:100%;color:var(--text-primary);background:#f8fafc;border-radius:6px;padding:9px 12px 9px 36px;font-size:.85rem;transition:all .15s}.search-input:focus{border-color:var(--border-focus);background:#fff;outline:none;box-shadow:0 0 0 3px #6366f11a}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.mail-items-container{background:#fff;flex-direction:column;flex-grow:1;display:flex;overflow-y:auto}.mail-item{cursor:pointer;border-bottom:1px solid #f1f5f9;gap:12px;padding:14px 20px;transition:all .15s;display:flex;position:relative}.mail-item:hover{background:#f8fafc}.mail-item.selected{border-left:3px solid var(--primary);background:#eef2ff;padding-left:17px}.mail-item.unread{background:#f8fafccc;font-weight:600}.mail-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.85rem;font-weight:600;display:flex}.mail-item-body{flex-direction:column;flex-grow:1;gap:2px;display:flex;overflow:hidden}.mail-item-header{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.mail-sender{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.88rem;overflow:hidden}.mail-item.unread .mail-sender{font-weight:700}.mail-date{color:var(--text-muted);font-size:.75rem;font-weight:400}.mail-subject{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;overflow:hidden}.mail-item.unread .mail-subject{color:var(--text-primary)}.mail-unread-dot{background:var(--primary);border-radius:50%;width:7px;height:7px;position:absolute;bottom:20px;right:20px}.mail-reader-panel{background:#fff;flex-grow:1}.reader-empty{height:100%;color:var(--text-muted);background:#f8fafc;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.reader-empty-icon{color:#cbd5e1;font-size:2.5rem}.reader-header{border-bottom:1px solid var(--border-color);background:#fff;flex-direction:column;gap:16px;padding:24px;display:flex}.reader-subject-row{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.reader-subject{color:var(--text-primary);font-size:1.3rem;font-weight:700;line-height:1.3}.reader-actions{flex-shrink:0;gap:6px;display:flex}.btn-icon{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-sm);background:#fff;border-radius:6px;align-items:center;gap:6px;padding:8px 12px;font-size:.8rem;font-weight:500;transition:all .15s;display:flex}.btn-icon:hover{color:var(--text-primary);background:#f8fafc;border-color:#cbd5e1}.btn-icon.danger:hover{color:var(--danger);background:#fef2f2;border-color:#fca5a5}.reader-meta-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.reader-sender-info{align-items:center;gap:12px;display:flex}.reader-sender-details{flex-direction:column;display:flex}.reader-sender-name{color:var(--text-primary);font-size:.9rem;font-weight:600}.reader-sender-email{color:var(--text-muted);font-size:.78rem}.reader-body-container{background:#f8fafc;flex-grow:1;padding:24px;overflow-y:auto}.reader-iframe{border:1px solid var(--border-color);width:100%;height:100%;box-shadow:var(--shadow-sm);background:#fff;border-radius:8px}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0f172a66;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{border:1px solid var(--border-color);width:750px;max-width:95vw;box-shadow:var(--shadow-lg);background:#fff;border-radius:12px;flex-direction:column;animation:.25s cubic-bezier(.16,1,.3,1) modalIn;display:flex;overflow:hidden}@keyframes modalIn{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}.modal-header{border-bottom:1px solid var(--border-color);background:#f8fafc;justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.modal-title{color:var(--text-primary);font-size:1rem;font-weight:700}.btn-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:1.25rem;transition:color .15s}.btn-close:hover{color:var(--text-primary)}.modal-body{flex-direction:column;gap:14px;padding:20px;display:flex}.form-group{flex-direction:column;gap:4px;display:flex}.form-row-header{justify-content:space-between;align-items:center;display:flex}.form-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:.78rem;font-weight:600}.form-link-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;font-size:.78rem;font-weight:600;transition:color .15s}.form-link-btn:hover{color:var(--primary-hover);text-decoration:underline}.form-input{border:1px solid var(--border-color);width:100%;color:var(--text-primary);background:#fff;border-radius:6px;padding:9px 12px;font-size:.88rem;transition:all .15s}.form-input:focus{border-color:var(--border-focus);outline:none;box-shadow:0 0 0 3px #6366f11a}.editor-container{border:1px solid var(--border-color);border-radius:6px;flex-direction:column;display:flex;overflow:hidden}.editor-toolbar{border-bottom:1px solid var(--border-color);background:#f8fafc;flex-wrap:wrap;gap:2px;padding:6px;display:flex}.toolbar-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:6px 8px;transition:all .1s;display:flex}.toolbar-btn:hover{color:var(--text-primary);background:#cbd5e1}.toolbar-btn.active{color:var(--primary);background:#e2e8f0}.toolbar-separator{background:var(--border-color);width:1px;height:20px;margin:auto 4px}.rich-editor{min-height:250px;max-height:400px;color:var(--text-primary);background:#fff;outline:none;padding:12px;font-size:.9rem;line-height:1.5;overflow-y:auto}.rich-editor:focus{background:#fff}.modal-footer{border-top:1px solid var(--border-color);background:#f8fafc;justify-content:flex-end;gap:12px;padding:14px 20px;display:flex}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;border:1px solid #0000;border-radius:6px;padding:9px 18px;font-size:.88rem;font-weight:600;transition:all .15s;box-shadow:0 1px 2px #4f46e51a}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-sm);background:#fff;border-radius:6px;padding:9px 18px;font-size:.88rem;font-weight:500;transition:all .15s}.btn-secondary:hover{color:var(--text-primary);background:#f8fafc}.login-overlay{background:#f1f5f9;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex}.login-card{border:1px solid var(--border-color);width:400px;box-shadow:var(--shadow-lg);background:#fff;border-radius:12px;padding:32px}.login-header{text-align:center;flex-direction:column;align-items:center;gap:12px;margin-bottom:28px;display:flex}.login-logo{width:48px;height:48px;box-shadow:var(--shadow-sm);border-radius:8px;font-size:1.4rem}.login-title{letter-spacing:-.02em;color:var(--text-primary);font-size:1.4rem;font-weight:800}.login-subtitle{color:var(--text-muted);margin-top:2px;font-size:.84rem}.login-error{color:var(--danger);background:#fef2f2;border:1px solid #fee2e2;border-radius:6px;margin-bottom:16px;padding:10px;font-size:.8rem}.btn-login{border-radius:6px;width:100%;margin-top:4px;padding:11px;font-size:.9rem}.pagination-row{border-top:1px solid var(--border-color);color:var(--text-muted);background:#f8fafc;justify-content:space-between;align-items:center;padding:12px 20px;font-size:.78rem;display:flex}.pagination-buttons{gap:4px;display:flex}.btn-pagination{border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;width:26px;height:26px;box-shadow:var(--shadow-sm);background:#fff;border-radius:4px;justify-content:center;align-items:center;transition:all .15s;display:flex}.btn-pagination:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-pagination:hover:not(:disabled){background:#f8fafc;border-color:#cbd5e1}.loading-spinner{border:2.5px solid #cbd5e1;border-top-color:var(--primary);border-radius:50%;width:20px;height:20px;margin:30px auto;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.center-spinner{justify-content:center;align-items:center;width:100%;height:100%;display:flex}