*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#1a1a1a;background:#f5f5f5;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.container{max-width:640px;margin:0 auto;padding:0 16px}.header{z-index:10;background:#fff;border-bottom:1px solid #e5e5e5;padding:14px 16px;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:640px;margin:0 auto;display:flex}.header h1{font-size:17px;font-weight:600}.header-sub{color:#888;font-size:13px}.card{background:#fff;border-radius:12px;margin-bottom:12px;padding:20px;box-shadow:0 1px 3px #00000012}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:10px 20px;font-size:15px;font-weight:500;text-decoration:none;transition:background .15s;display:inline-flex}.btn-primary{color:#fff;background:#2563eb}.btn-primary:hover{background:#1d4ed8}.btn-primary:disabled{cursor:not-allowed;background:#93c5fd}.btn-secondary{color:#374151;background:#f3f4f6}.btn-secondary:hover{background:#e5e7eb}.btn-block{width:100%}.btn-sm{padding:6px 14px;font-size:13px}.form-group{margin-bottom:16px}.form-label{color:#374151;margin-bottom:6px;font-size:14px;font-weight:500;display:block}.form-input{background:#fff;border:1px solid #d1d5db;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-size:15px;transition:border-color .15s}.form-input:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}textarea.form-input{resize:vertical;min-height:90px}.badge{border-radius:20px;padding:3px 9px;font-size:12px;font-weight:500;display:inline-block}.badge-pending{color:#92400e;background:#fef3c7}.badge-active{color:#1e40af;background:#dbeafe}.badge-closed{color:#6b7280;background:#f3f4f6}.ticket-item{color:inherit;background:#fff;border-radius:12px;margin-bottom:10px;padding:14px;text-decoration:none;transition:box-shadow .15s;display:block;box-shadow:0 1px 3px #00000012}.ticket-item:hover{box-shadow:0 2px 8px #0000001f}.ticket-item-top{justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:4px;display:flex}.ticket-subject{font-size:15px;font-weight:500}.ticket-meta{color:#9ca3af;margin-top:4px;font-size:13px}.messages{flex-direction:column;gap:12px;margin-bottom:20px;display:flex}.message{max-width:80%}.message-client{align-self:flex-end}.message-agent{align-self:flex-start}.message-bubble{border-radius:16px;padding:10px 14px;font-size:14px;line-height:1.5}.message-client .message-bubble{color:#fff;background:#2563eb;border-bottom-right-radius:4px}.message-agent .message-bubble{background:#fff;border-bottom-left-radius:4px;box-shadow:0 1px 3px #0000001a}.message-time{color:#9ca3af;margin-top:4px;font-size:11px}.message-client .message-time{text-align:right}.login-wrap{justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.login-card{text-align:center;background:#fff;border-radius:16px;width:100%;max-width:380px;padding:32px 28px;box-shadow:0 4px 24px #00000014}.login-card h1{margin-bottom:8px;font-size:22px}.login-card p{color:#6b7280;margin-bottom:24px;font-size:14px}.page{padding:16px 0 80px}.page-title{margin-bottom:16px;font-size:20px;font-weight:600}.empty{text-align:center;color:#9ca3af;padding:48px 0;font-size:15px}.error-msg{color:#dc2626;margin-top:6px;font-size:13px}.spinner{border:3px solid #e5e7eb;border-top-color:#2563eb;border-radius:50%;width:28px;height:28px;margin:40px auto;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.flex-between{justify-content:space-between;align-items:center;display:flex}.mt-2{margin-top:8px}.mt-4{margin-top:16px}