*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0f1a;--bg-secondary: #111827;--bg-card: #1a2332;--bg-hover: #243044;--border: #2a3a52;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #0ea5e9;--accent-hover: #38bdf8;--accent-glow: rgba(14, 165, 233, .15);--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--gradient: linear-gradient(135deg, #0ea5e9, #6366f1);--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0, 0, 0, .3);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;position:fixed;height:100vh;z-index:100}.sidebar-logo{display:flex;align-items:center;gap:12px;padding:8px 12px;margin-bottom:32px}.sidebar-logo svg{width:32px;height:32px}.sidebar-logo h1{font-size:1.25rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-glow);color:var(--accent)}.main-content{flex:1;margin-left:260px;padding:32px;max-width:1200px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card-title{font-size:1.1rem;font-weight:600}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:all .2s;font-family:var(--font)}.btn-primary{background:var(--gradient);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-secondary{background:var(--bg-hover);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-sm{padding:6px 12px;font-size:.8rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.85rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:12px 16px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.95rem;font-family:var(--font);transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-input::placeholder{color:var(--text-muted)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.form-checkbox{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:.9rem;color:var(--text-secondary)}.form-checkbox input{width:18px;height:18px;accent-color:var(--accent)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at top,rgba(14,165,233,.08),transparent 60%),radial-gradient(ellipse at bottom right,rgba(99,102,241,.06),transparent 60%),var(--bg-primary)}.auth-card{width:100%;max-width:420px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px;box-shadow:var(--shadow)}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo svg{width:48px;height:48px;margin-bottom:12px}.auth-logo h1{font-size:1.5rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.auth-logo p{color:var(--text-muted);font-size:.9rem;margin-top:4px}.auth-title{font-size:1.2rem;font-weight:600;margin-bottom:8px}.auth-subtitle{color:var(--text-secondary);font-size:.9rem;margin-bottom:24px}.otp-input{display:flex;gap:8px;justify-content:center;margin:24px 0}.otp-digit{width:48px;height:56px;text-align:center;font-size:1.5rem;font-weight:700;background:var(--bg-primary);border:2px solid var(--border);border-radius:var(--radius-sm);color:var(--accent);font-family:monospace}.otp-digit:focus{border-color:var(--accent);outline:none}.security-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);border-radius:20px;font-size:.75rem;color:var(--success);font-weight:500}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600}.badge-sent{background:#0ea5e926;color:var(--accent)}.badge-opened{background:#22c55e26;color:var(--success)}.badge-replied{background:#6366f126;color:#818cf8}.badge-destroyed{background:#ef444426;color:var(--danger)}.badge-expired{background:#64748b26;color:var(--text-muted)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;padding:12px 16px;font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border)}.table td{padding:14px 16px;font-size:.9rem;border-bottom:1px solid var(--border)}.table tr:hover td{background:var(--bg-hover)}.editor-toolbar{display:flex;gap:4px;padding:8px;background:var(--bg-primary);border:1px solid var(--border);border-bottom:none;border-radius:var(--radius-sm) var(--radius-sm) 0 0}.editor-btn{padding:6px 10px;background:none;border:1px solid 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var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.95rem;line-height:1.7;resize:vertical;outline:none;direction:ltr;text-align:left}.editor-textarea:focus{border-color:var(--accent)}.editor-textarea::placeholder{color:var(--text-muted)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-value{font-size:2rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.stat-label{font-size:.85rem;color:var(--text-muted);margin-top:4px}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:16px}.alert-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--danger)}.alert-success{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:var(--success)}.alert-info{background:var(--accent-glow);border:1px solid rgba(14,165,233,.3);color:var(--accent)}.verified-check{color:var(--success);display:inline-flex;align-items:center;gap:4px}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;justify-content:center;padding:48px}.page-header{margin-bottom:32px}.page-header h2{font-size:1.5rem;font-weight:700}.page-header p{color:var(--text-secondary);margin-top:4px}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state svg{width:48px;height:48px;margin-bottom:16px;opacity:.5}.attachment-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px}.attachment-item .name{flex:1;font-size:.9rem}.attachment-item .size{font-size:.8rem;color:var(--text-muted)}.security-panel{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;margin-top:16px}.security-panel h4{font-size:.85rem;color:var(--accent);margin-bottom:8px;display:flex;align-items:center;gap:6px}.security-panel ul{list-style:none;font-size:.8rem;color:var(--text-muted)}.security-panel li{padding:4px 0;display:flex;align-items:center;gap:6px}.security-panel li:before{content:"✓";color:var(--success);font-weight:700}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--border);flex-wrap:wrap;gap:12px}.pagination-info{font-size:.85rem;color:var(--text-muted)}.pagination-btns{display:flex;gap:6px;flex-wrap:wrap}.inline-form{margin-bottom:24px;padding:20px;background:var(--bg-primary);border-radius:8px;border:1px solid var(--border)}.form-actions{display:flex;gap:12px;margin-top:16px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.action-btns{display:flex;gap:4px}.text-muted{font-size:.8rem;color:var(--text-muted)}.clickable-row{cursor:pointer}.checklist-item{padding:12px 0;border-bottom:1px solid var(--border)}.checklist-item:last-child{border-bottom:none}.checklist-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.checklist-item p{color:var(--text-secondary);font-size:.9rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.chat-thread{display:flex;flex-direction:column;gap:12px}.chat-bubble{max-width:85%;padding:14px 16px;border-radius:12px;border:1px solid var(--border)}.chat-bubble-self{align-self:flex-end;background:#0ea5e91f;border-color:#0ea5e959}.chat-bubble-other{align-self:flex-start;background:var(--bg-primary)}.chat-meta{font-size:.75rem;color:var(--text-muted);margin-bottom:8px}.chat-body{line-height:1.6;word-break:break-word}.chat-attachments{display:flex;flex-direction:column;gap:6px;margin-top:10px}.chat-attachment-btn{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);cursor:pointer;font-size:.85rem;text-align:left}.chat-attachment-btn:hover{background:var(--bg-hover)}.chat-attachment-btn .size{color:var(--text-muted);margin-left:auto;margin-right:4px}@media (max-width: 768px){.grid-2,.grid-3{grid-template-columns:1fr}}