@import url('https://fonts.googleapis.com/css2?family=Doto:wght@100..900&family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap');
    
    .doto-f {
      font-family: "Doto", sans-serif;
      font-optical-sizing: auto;
      font-style: normal;
      font-variation-settings: "ROND" 0;
    }

    .space-mono-regular {
      font-family: "Space Mono", monospace;
      font-weight: 400;
      font-style: normal;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: "Space Mono", monospace;
      background: #000;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      color: #fff;
    }

    .header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 60px;
      background: #000;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 30px;
      z-index: 100;
    }

    .logo {
      font-size: 18px;
      color: #fff;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .header-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .balance {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
    }

    .profile-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #fff;
      font-size: 16px;
      text-transform: uppercase;
      transition: all 0.3s ease;
      position: relative;
    }

    .profile-icon:hover {
      background: rgba(255, 255, 255, 0.15);
    }

    .profile-menu {
      position: absolute;
      top: 50px;
      right: 30px;
      background: #0a0a0a;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      min-width: 240px;
      padding: 8px 0;
      display: none;
      animation: slideDown 0.3s ease;
      z-index: 9999;
    }

    .profile-menu.show {
      display: block;
    }

    @keyframes slideDown {
      from {
        opacity: 0;
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .profile-menu-header {
      padding: 12px 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      margin-bottom: 8px;
    }

    .deposit-button {
      width: 100%;
      padding: 10px;
      background: #0a0a0a;
      color: #ffffff;
      border: 1px solid #fff;
      border-radius: 4px;
      font-size: 13px;
      font-family: "Space Mono", monospace;
      cursor: pointer;
      transition: all 0.2s ease;
      margin-top: 12px;
      font-weight: 700;
    }

    .deposit-button:hover {
      opacity: 0.9;
      background: #312e2e;
    }

    .profile-menu-username {
      color: #fff;
      font-size: 14px;
      margin-bottom: 4px;
    }

    .profile-menu-balance {
      color: rgba(255, 255, 255, 0.5);
      font-size: 12px;
    }

    .profile-menu-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 16px;
      color: rgba(255, 255, 255, 0.7);
      text-decoration: none;
      font-size: 13px;
      transition: all 0.2s ease;
      border: none;
      background: transparent;
      width: 100%;
      cursor: pointer;
    }

    .profile-menu-item:hover {
      background: rgba(255, 255, 255, 0.05);
      color: #fff;
    }

    .profile-menu-icon {
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .sidebar {
      position: fixed;
      top: 60px;
      left: 0;
      width: 220px;
      height: calc(100vh - 60px);
      background: #000;
      border-right: 1px solid rgba(255, 255, 255, 0.1);
      padding: 20px 0;
      z-index: 50;
    }

    .sidebar-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 20px;
      color: rgba(255, 255, 255, 0.5);
      text-decoration: none;
      font-size: 14px;
      transition: all 0.2s ease;
      border-left: 2px solid transparent;
      position: relative;
    }

    .sidebar-item:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.03);
    }

    .sidebar-item.active {
      color: #fff;
      border-left-color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }

    .sidebar-icon {
      font-size: 18px;
    }

    .sidebar-item.disabled {
      cursor: not-allowed;
      opacity: 0.6;
      pointer-events: none;
    }

    .sidebar-item .status-badge {
      margin-left: auto;
      padding: 2px 8px;
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      border-radius: 2px;
      font-weight: 600;
    }

    .status-badge.tech {
      background: rgba(255, 165, 0, 0.15);
      color: rgba(255, 165, 0, 0.9);
      border: 1px solid rgba(255, 165, 0, 0.3);
    }

    .status-badge.dev {
      background: rgba(100, 149, 237, 0.15);
      color: rgba(100, 149, 237, 0.9);
      border: 1px solid rgba(100, 149, 237, 0.3);
    }

    .main-content {
      margin-left: 220px;
      margin-top: 60px;
      padding: 40px;
      min-height: calc(100vh - 120px);
    }

    .page-title {
      font-size: 28px;
      margin-bottom: 30px;
      color: #fff;
      letter-spacing: -0.5px;
    }

    .empty-state {
      text-align: center;
      padding: 60px 20px;
      color: rgba(255, 255, 255, 0.4);
    }

    .empty-state-icon {
      font-size: 48px;
      margin-bottom: 20px;
      opacity: 0.3;
    }

    .empty-state-text {
      font-size: 14px;
    }

    .footer {
      margin-left: 220px;
      margin-top: auto;
      padding: 20px 40px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      text-align: center;
      color: rgba(255, 255, 255, 0.4);
      font-size: 12px;
    }

    .modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      z-index: 1000;
      align-items: center;
      justify-content: center;
    }

    .modal.show {
      display: flex;
    }

    .modal-content {
      background: #0a0a0a;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      padding: 30px;
      width: 90%;
      max-width: 400px;
      animation: fadeIn 0.3s ease;
    }

    .modal-title {
      font-size: 18px;
      margin-bottom: 20px;
      color: #fff;
    }

    .modal-input {
      width: 100%;
      padding: 12px 0;
      border: none;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      background: transparent;
      color: #fff;
      font-size: 14px;
      margin-bottom: 20px;
    }

    .modal-input:focus {
      outline: none;
      border-bottom-color: rgba(255, 255, 255, 0.3);
    }

    .modal-buttons {
      display: flex;
      gap: 10px;
    }

    .modal-button {
      flex: 1;
      padding: 12px;
      border: none;
      font-size: 13px;
      cursor: pointer;
      transition: all 0.2s ease;
      font-family: "Space Mono", monospace;
    }

    .modal-button-primary {
      background: #fff;
      color: #000;
    }

    .modal-button-primary:hover {
      opacity: 0.9;
    }

    .modal-button-secondary {
      background: transparent;
      color: rgba(255, 255, 255, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .modal-button-secondary:hover {
      border-color: rgba(255, 255, 255, 0.4);
    }

    .modal-message {
      margin-top: 15px;
      padding: 10px;
      border-radius: 4px;
      font-size: 12px;
      text-align: center;
    }

    .modal-message.success {
      background: rgba(150, 255, 150, 0.1);
      color: rgba(150, 255, 150, 1);
      border: 1px solid rgba(150, 255, 150, 0.3);
    }

    .modal-message.error {
      background: rgba(255, 100, 100, 0.1);
      color: rgba(255, 100, 100, 1);
      border: 1px solid rgba(255, 100, 100, 0.3);
    }

    /* CRYPTO PAYMENT MODAL */
    .crypto-modal-content {
      background: #0a0a0a;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      padding: 30px;
      width: 90%;
      max-width: 450px;
      animation: fadeIn 0.3s ease;
    }

    .crypto-modal-header {
      text-align: center;
      margin-bottom: 20px;
    }

    .crypto-modal-title {
      font-size: 20px;
      color: #fff;
      margin-bottom: 10px;
    }

    .crypto-modal-subtitle {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.5);
    }

    .crypto-qr-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 15px;
      margin-bottom: 20px;
    }

    .crypto-qr-box {
      width: 250px;
      height: 250px;
      background: #000;
      border: 2px solid rgba(255, 255, 255, 0.2);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 10px;
    }

    .crypto-qr-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .crypto-address-box {
      width: 100%;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      padding: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .crypto-address-text {
      flex: 1;
      font-size: 11px;
      color: rgba(255, 255, 255, 0.8);
      word-break: break-all;
      font-family: "Space Mono", monospace;
    }

    .crypto-copy-button {
      padding: 8px 12px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #fff;
      border-radius: 4px;
      font-size: 11px;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .crypto-copy-button:hover {
      background: rgba(255, 255, 255, 0.15);
    }

    .crypto-info-box {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 4px;
      padding: 15px;
      margin-bottom: 20px;
    }

    .crypto-info-item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 8px;
      font-size: 12px;
    }

    .crypto-info-item:last-child {
      margin-bottom: 0;
    }

    .crypto-info-label {
      color: rgba(255, 255, 255, 0.5);
    }

    .crypto-info-value {
      color: #fff;
      font-weight: 100;
    }

    .crypto-timer {
      text-align: center;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 15px;
    }

    .crypto-timer-value {
      color: #fff;
      font-weight: 700;
      font-size: 18px;
    }

    .crypto-status {
      text-align: center;
      padding: 12px;
      border-radius: 4px;
      font-size: 13px;
      margin-bottom: 15px;
    }

    .crypto-status.pending {
      background: rgba(255, 200, 50, 0.1);
      color: rgba(255, 200, 50, 1);
      border: 1px solid rgba(255, 200, 50, 0.3);
    }

    .crypto-status.confirming {
      background: rgba(100, 150, 255, 0.1);
      color: rgba(100, 150, 255, 1);
      border: 1px solid rgba(100, 150, 255, 0.3);
    }

    .crypto-status.completed {
      background: rgba(150, 255, 150, 0.1);
      color: rgba(150, 255, 150, 1);
      border: 1px solid rgba(150, 255, 150, 0.3);
    }

    .crypto-spinner {
      width: 30px;
      height: 30px;
      border: 3px solid rgba(255, 255, 255, 0.1);
      border-top-color: #fff;
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin: 0 auto;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    .crypto-close-button {
      width: 100%;
      padding: 12px;
      background: transparent;
      color: rgba(255, 255, 255, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 4px;
      font-size: 13px;
      font-family: "Space Mono", monospace;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .crypto-close-button:hover {
      border-color: rgba(255, 255, 255, 0.4);
      color: #fff;
    }