@if (showDialog()) {
  <div class="login-overlay" (click)="close()">
    <div class="login-dialog" role="dialog" aria-modal="true" aria-label="Telegram login dialog" (click)="$event.stopPropagation()">
      <button class="close-btn" type="button" aria-label="Close dialog" (click)="close()">
        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
          <path d="M18 6L6 18M6 6l12 12"></path>
        </svg>
      </button>

      <div class="dialog-content" [attr.data-state]="state()">
        <div class="login-icon">
          <svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
            <path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"></path>
          </svg>
        </div>

        <h2>{{ 'AUTH_LOGIN_REQUIRED' | translate }}</h2>
        <p class="login-desc">{{ 'AUTH_LOGIN_DESCRIPTION' | translate }}</p>

        <div class="login-status checking">
          <div class="spinner"></div>
          <span>{{ 'AUTH_CHECKING' | translate }}</span>
        </div>

        <div class="action-block">
          <button class="telegram-btn" type="button" (click)="openTelegram()">
            <svg class="tg-icon" width="22" height="22" viewBox="0 0 24 24" fill="currentColor">
              <path d="M11.944 0A12 12 0 0 0 0 12a12 12 0 0 0 12 12 12 12 0 0 0 12-12A12 12 0 0 0 12 0a12 12 0 0 0-.056 0zm4.962 7.224c.1-.002.321.023.465.14a.506.506 0 0 1 .171.325c.016.093.036.306.02.472-.18 1.898-.962 6.502-1.36 8.627-.168.9-.499 1.201-.82 1.23-.696.065-1.225-.46-1.9-.902-1.056-.693-1.653-1.124-2.678-1.8-1.185-.78-.417-1.21.258-1.91.177-.184 3.247-2.977 3.307-3.23.007-.032.014-.15-.056-.212s-.174-.041-.249-.024c-.106.024-1.793 1.14-5.061 3.345-.48.33-.913.49-1.302.48-.428-.008-1.252-.241-1.865-.44-.752-.245-1.349-.374-1.297-.789.027-.216.325-.437.893-.663 3.498-1.524 5.83-2.529 6.998-3.014 3.332-1.386 4.025-1.627 4.476-1.635z"></path>
            </svg>
            {{ 'AUTH_LOGIN_WITH_TELEGRAM' | translate }}
          </button>

          <div class="qr-section">
            <p class="qr-hint">{{ 'AUTH_OR_SCAN_QR' | translate }}</p>

            <div class="qr-container qr-loading">
              <div class="spinner"></div>
            </div>

            <div class="qr-container qr-ready">
              <img [src]="qrImageUrl()" [alt]="qrAlt()" width="180" height="180" loading="eager" />
            </div>

            <div
              class="qr-container qr-expired"
              role="button"
              tabindex="0"
              aria-label="Refresh QR code"
              (click)="refreshQr()"
              (keydown)="refreshQrByKeyboard($event)"
            >
              <svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                <path d="M1 4v6h6M23 20v-6h-6"></path>
                <path d="M20.49 9A9 9 0 0 0 5.64 5.64L1 10m22 4l-4.64 4.36A9 9 0 0 1 3.51 15"></path>
              </svg>
              <span>{{ 'AUTH_QR_EXPIRED' | translate }}</span>
            </div>

            <div
              class="qr-container qr-error"
              role="button"
              tabindex="0"
              aria-label="Retry QR login"
              (click)="refreshQr()"
              (keydown)="refreshQrByKeyboard($event)"
            >
              <svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                <path d="M1 4v6h6M23 20v-6h-6"></path>
                <path d="M20.49 9A9 9 0 0 0 5.64 5.64L1 10m22 4l-4.64 4.36A9 9 0 0 1 3.51 15"></path>
              </svg>
              <span>{{ 'AUTH_QR_ERROR' | translate }}</span>
            </div>
          </div>

          <p class="login-note">{{ 'AUTH_LOGIN_NOTE' | translate }}</p>
        </div>
      </div>
    </div>
  </div>
}